/* Basic styles */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color, #8e82ff);
    color: var(--text-on-accent);
    padding: 8px;
    z-index: 2000;
    transition: top 0.2s ease;
    border-radius: 0 0 8px 0;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--a11y-focus-outline, #ffae00);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.6;
}

h1,
h2,
h3,
p,
label,
input,
button,
select,
textarea,
summary,
details {
    font-family: inherit;
}

h1 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: color-mix(in srgb, var(--text-color, #333) 90%, var(--a11y-min-contrast-text, #000));
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
}

p {
    font-size: 1rem;
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
}

button {
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--border-radius-medium, 8px);
    padding: var(--spacing-sm, 10px) var(--spacing-md, 16px);
    border: 1px solid var(--border-color, #dfe4e2);
    background-color: var(--card-background, #ffffff);
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
    cursor: pointer;
    transition: background-color calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                box-shadow calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                transform calc(150ms * (1 - var(--reduce-motion, 0))) ease,
                color calc(200ms * (1 - var(--reduce-motion, 0))) ease;
}

button:hover {
    background-color: color-mix(in srgb, var(--hover-bg-color, #eef2f1) 85%, #ffffff 15%);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

/* Base container surfaces */
.container,
.group-container {
    background-color: var(--card-background, #ffffff);
    color: var(--text-primary);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-large, 12px);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
    padding: var(--spacing-xl, 32px);
    gap: var(--spacing-lg, 24px);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
details:focus-visible,
.theme-option:focus-visible,
.widget-help:focus-visible,
.widget-close:focus-visible,
.control-button:focus-visible {
    outline: 3px solid var(--a11y-focus-outline, #ffae00) !important;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
}

.action-flash {
    animation-duration: calc(300ms * (1 - var(--reduce-motion, 0)));
}

.control-button {
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

.widget-status {
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

#app-container {
    width: 100vw;
    height: calc(100vh - 64px);
    position: relative;
    display: flex;
    flex-direction: column;
    margin-top: 64px;
}

/* Top Navigation Bar */
#top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 96%, var(--accent) 4%);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.08), var(--shadow-soft, 0 2px 5px rgba(0,0,0,0.1));
    display: flex;
    align-items: center;
    padding: 0 clamp(16px, 3vw, 32px);
    z-index: 1100;
    border-bottom: 1px solid var(--border-soft-2);
}

#widget-toolbar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100px;
    z-index: 1100;
    display: flex;
    flex-direction: column; /* This is also important for a vertical layout */
    align-items: center;
    justify-content: flex-start; /* Changed from center to align to top */
    padding-top: 90px;
}

.widget-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: var(--spacing-sm, 10px) var(--spacing-lg, 18px);
    margin: 0;
    max-width: 900px;
    background: var(--bg-surface);
    border-radius: var(--border-radius-large, 12px);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    flex-wrap: wrap;
}

.widget-selector-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.6rem;
    padding: var(--spacing-sm, 10px);
    border-radius: var(--border-radius-medium, 10px);
    cursor: pointer;
    transition: color 180ms ease, transform 180ms ease, background-color 180ms ease;
    text-decoration: none;
}

.widget-selector-btn:hover,
.widget-selector-btn:focus-visible {
    color: var(--primary-color, #8e82ff);
    background-color: color-mix(in srgb, var(--accent) 12%, transparent);
    outline: none;
    transform: translateY(-2px);
}

.widget-selector-btn.active {
    color: var(--primary-color, #8e82ff);
    background-color: color-mix(in srgb, var(--accent) 18%, transparent);
    box-shadow: var(--shadow-soft);
}

.widget-selector-btn i {
    display: block;
}

.nav-tabs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 10px);
    width: 100%;
}

.nav-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.6rem 1.15rem;
    font-size: 0.95rem;
    color: color-mix(in srgb, var(--text-color, #333) 82%, var(--a11y-min-contrast-text, #000));
    cursor: pointer;
    border-radius: 14px;
    border: 1px solid transparent;
    transition: background-color calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                color calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                border-color calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                box-shadow calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                transform calc(150ms * (1 - var(--reduce-motion, 0))) ease;
    box-shadow: none;
    white-space: nowrap;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm, 10px);
}

.control-button,
.timer-preset-btn,
#open-projector-view,
.button-group button {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color, #8e82ff) 90%, #ffffff 10%), var(--primary-color, #8e82ff));
    color: var(--text-on-accent);
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 70%, #000 5%);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
}

.control-button:hover,
.timer-preset-btn:hover,
#open-projector-view:hover,
.button-group button:hover {
    filter: brightness(1.04);
    box-shadow: var(--shadow-medium, 0 4px 10px rgba(0,0,0,0.1));
}

.control-button:active,
.timer-preset-btn:active,
#open-projector-view:active,
.button-group button:active {
    filter: brightness(0.98);
}

.nav-tab.active {
    background-color: var(--primary-color, #8e82ff);
    color: var(--text-on-accent);
    font-weight: 600;
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
}

.nav-tab.active:hover {
    background-color: var(--primary-color, #8e82ff);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
    transform: none;
}

.nav-tab:hover:not(.active) {
    background-color: var(--hover-bg-color, #f5f5f5);
    box-shadow: none;
    transform: none;
}

.nav-item-with-dropdown {
    position: relative;
    display: flex;
    align-items: center;
    align-self: stretch;
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    display: none;
    background-color: var(--card-background, #ffffff);
    box-shadow: var(--shadow-medium, 0 8px 20px rgba(0, 0, 0, 0.12));
    border-radius: var(--border-radius-medium, 10px);
    padding: 8px;
    min-width: 180px;
    z-index: 1200;
}

.nav-item-with-dropdown:hover .nav-dropdown {
    display: block;
}

.nav-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-dropdown li + li {
    margin-top: 6px;
}

.nav-dropdown-button {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: var(--spacing-sm, 10px) var(--spacing-md, 12px);
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
    border-radius: var(--border-radius, 12px);
}

.nav-dropdown-button:hover,
.nav-dropdown-button:focus-visible {
    background-color: var(--hover-bg-color, #f5f5f5);
}

.widget,
.nav-tab,
.teacher-panel,
.modal-content,
.control-card {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition:
        background-color 0.4s ease,
        color 0.4s ease,
        border-color 0.4s ease;
}

/* Student view styles */
.view {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.view[hidden] {
    display: none;
}

.student-view {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.widgets-grid {
    position: relative;
    width: 100%;
    height: 100%;
    transition: width 0.3s ease;
}

.drawing-board {
    background: var(--card-background, #ffffff);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-large, 12px);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.08));
    padding: var(--spacing-lg, 20px);
    margin: var(--spacing-lg, 20px);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md, 12px);
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-background, #ffffff) 90%, #f5f7fb 10%), var(--card-background, #ffffff));
}

.drawing-board.is-hidden {
    display: none;
}

.drawing-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md, 12px);
    align-items: center;
}

.control-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 8px);
}

.control-label {
    font-weight: 600;
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

.control-buttons {
    display: inline-flex;
    gap: var(--spacing-xs, 6px);
}

.color-btn,
.size-btn,
#clear-drawing-btn,
#save-drawing-btn {
    padding: 8px 12px;
    font-size: 0.95rem;
    border-radius: var(--border-radius, 10px);
    border: 1px solid var(--border-color, #dfe4e2);
    background: var(--bg-muted);
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
    box-shadow: var(--shadow-soft, 0 1px 2px rgba(0,0,0,0.05));
}

#clear-drawing-btn,
#save-drawing-btn {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color, #8e82ff) 85%, #ffffff 15%), var(--primary-color, #8e82ff));
    color: var(--text-on-accent);
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 75%, #000 5%);
}

.color-btn.selected,
.size-btn.selected {
    border-color: var(--primary-color, #8e82ff);
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 12%, #ffffff 88%);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, #8e82ff) 25%, #ffffff 75%);
}

#color-black { border-color: var(--text-primary); }
#color-red { border-color: var(--accent); color: var(--accent-hover); }
#color-green { border-color: var(--accent); color: var(--accent-hover); }

.size-btn { min-width: 40px; }
.size-btn.selected { font-weight: 700; }

.control-actions {
    margin-left: auto;
    display: flex;
    gap: var(--spacing-sm, 10px);
}

#drawing-canvas {
    width: 100%;
    min-height: 320px;
    max-height: 480px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius, 10px);
    display: block;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.08);
}

/* Teacher Panel */
.teacher-panel {
    position: fixed;
    top: 64px;
    right: 0;
    width: 35%;
    max-width: 450px;
    height: calc(100dvh - 64px);
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--card-background, #ffffff) 94%, var(--bg-surface, #f8fafc) 6%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, #ffffff 8%));
    border-left: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 88%, transparent);
    box-shadow: -18px 0 36px rgba(15, 23, 42, 0.12);
    z-index: 1050;
    transform: translateX(100%);
    transition: transform calc(300ms * (1 - var(--reduce-motion, 0))) ease;
}

.teacher-panel.open {
    transform: translateX(0);
}

.panel-backdrop {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: calc(100dvh - 64px);
    background: rgba(0,0,0,0.5);
    z-index: 1040;
    opacity: 0;
    pointer-events: none;
    transition: opacity calc(300ms * (1 - var(--reduce-motion, 0))) ease;
}

.panel-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 24px 18px;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color, #e0e0e0) 82%, transparent);
    background: color-mix(in srgb, var(--card-background, #ffffff) 86%, var(--bg-surface, #f8fafc) 14%);
}

.panel-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

.panel-header__copy {
    display: grid;
    gap: 6px;
}

.panel-eyebrow {
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary, #64748b);
}

.panel-subtitle {
    max-width: 30ch;
    font-size: 0.92rem;
    line-height: 1.5;
    color: color-mix(in srgb, var(--text-color, #333) 72%, #64748b 28%);
}

.panel-close {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 82%, transparent);
    background: color-mix(in srgb, var(--card-background, #ffffff) 78%, var(--bg-surface, #f8fafc) 22%);
    color: var(--text-primary, #0f172a);
    font-size: 1.45rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.panel-content {
    padding: 18px 20px 40px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    scroll-padding-top: 16px;
    scroll-padding-bottom: 48px;
    overscroll-behavior: contain;
}

.panel-content > * {
    flex-shrink: 0;
}

.panel-intro {
    display: grid;
    gap: 8px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 16%, var(--border-color, #dfe4e2) 84%);
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--primary-color, #8e82ff) 9%, #ffffff 91%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 85%, #ffffff 15%));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.panel-intro p {
    font-size: 0.92rem;
    color: color-mix(in srgb, var(--text-color, #333) 78%, #64748b 22%);
}

.panel-intro__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 14%, #ffffff 86%);
    color: color-mix(in srgb, var(--primary-color, #8e82ff) 82%, #1f2937 18%);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.panel-section-label {
    margin: 8px 2px 0;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--text-color, #333) 55%, #64748b 45%);
}

/* Control Cards */
.control-card {
    background: color-mix(in srgb, var(--card-background, #ffffff) 92%, var(--bg-surface, #f8fafc) 8%);
    border: 1px solid color-mix(in srgb, var(--border-color, #e0e0e0) 82%, transparent);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    overflow: hidden;
    flex: 0 0 auto;
}

.control-card details {
    display: block;
    width: 100%;
}

.control-card summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
    list-style: none;
    transition: background-color calc(200ms * (1 - var(--reduce-motion, 0))) ease;
}

.control-card summary .card-icon {
    width: 22px;
    height: 22px;
    padding: 7px;
    box-sizing: content-box;
    border-radius: 14px;
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 10%, #ffffff 90%);
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 16%, transparent);
}

.card-body {
    display: grid;
    gap: 12px;
    padding: 0 18px 18px;
    border-top: 1px solid color-mix(in srgb, var(--border-color, #e0e0e0) 76%, transparent);
    background: color-mix(in srgb, var(--card-background, #ffffff) 90%, var(--bg-surface, #f8fafc) 10%);
}

.control-card summary::-webkit-details-marker {
    display: none;
}

.control-card summary::after {
    content: '+';
    margin-left: auto;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 80%, transparent);
    background: color-mix(in srgb, var(--card-background, #ffffff) 76%, var(--bg-surface, #f8fafc) 24%);
    color: var(--text-secondary, #64748b);
    font-size: 1rem;
    line-height: 1;
    transition: transform calc(180ms * (1 - var(--reduce-motion, 0))) ease,
                background-color calc(180ms * (1 - var(--reduce-motion, 0))) ease;
}

.control-card details[open] summary {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 8%, #ffffff 92%);
}

.control-card details[open] summary::after {
    content: '-';
    transform: none;
}

.control-card details[open] {
    display: block;
}

.control-card:hover {
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 20%, var(--border-color, #e0e0e0) 80%);
}

.control-card h4 {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.button-group--stack-gap {
    margin-top: 2px;
}

.control-button--ghost {
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
    color: var(--text-primary, #0f172a);
    border-color: color-mix(in srgb, var(--border-color, #dfe4e2) 82%, transparent);
    box-shadow: none;
}

.control-button--ghost:hover {
    background: color-mix(in srgb, var(--card-background, #ffffff) 76%, var(--bg-surface, #f8fafc) 24%);
    filter: none;
}

.timer-status-panel {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 16%, var(--border-color, #dfe4e2) 84%);
    border-radius: 16px;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--primary-color, #8e82ff) 8%, #ffffff 92%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 88%, #ffffff 12%));
}

.timer-status-panel__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.timer-status-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 30px;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-secondary, #64748b) 12%, #ffffff 88%);
    color: color-mix(in srgb, var(--text-primary, #0f172a) 78%, #64748b 22%);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.timer-status-badge[data-state="running"] {
    background: color-mix(in srgb, #22c55e 18%, #ffffff 82%);
    color: color-mix(in srgb, #166534 84%, #0f172a 16%);
}

.timer-status-badge[data-state="stopped"] {
    background: color-mix(in srgb, #f59e0b 18%, #ffffff 82%);
    color: color-mix(in srgb, #b45309 82%, #0f172a 18%);
}

.timer-status-badge[data-state="idle"] {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 14%, #ffffff 86%);
    color: color-mix(in srgb, var(--primary-color, #8e82ff) 82%, #1f2937 18%);
}

.timer-status-badge[data-state="empty"] {
    background: color-mix(in srgb, var(--text-secondary, #64748b) 12%, #ffffff 88%);
    color: color-mix(in srgb, var(--text-primary, #0f172a) 78%, #64748b 22%);
}

.timer-status-display {
    margin: 0;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-primary, #0f172a);
}

.timer-status-meta {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: color-mix(in srgb, var(--text-color, #333) 72%, #64748b 28%);
}

.presentation-status-panel {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 16%, var(--border-color, #dfe4e2) 84%);
    border-radius: 16px;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--primary-color, #8e82ff) 7%, #ffffff 93%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 90%, #ffffff 10%));
}

.presentation-status-panel__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.presentation-status-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 30px;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text-secondary, #64748b) 12%, #ffffff 88%);
    color: color-mix(in srgb, var(--text-primary, #0f172a) 78%, #64748b 22%);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.presentation-status-badge[data-state="live"] {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 18%, #ffffff 82%);
    color: color-mix(in srgb, var(--primary-color, #8e82ff) 82%, #1f2937 18%);
}

.presentation-status-badge[data-state="external"] {
    background: color-mix(in srgb, #0ea5e9 18%, #ffffff 82%);
    color: color-mix(in srgb, #075985 84%, #0f172a 16%);
}

.presentation-status-badge[data-state="idle"] {
    background: color-mix(in srgb, #f59e0b 16%, #ffffff 84%);
    color: color-mix(in srgb, #b45309 84%, #0f172a 16%);
}

.presentation-status-badge[data-state="empty"] {
    background: color-mix(in srgb, var(--text-secondary, #64748b) 12%, #ffffff 88%);
    color: color-mix(in srgb, var(--text-primary, #0f172a) 78%, #64748b 22%);
}

.presentation-status-display {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary, #0f172a);
    word-break: break-word;
}

.presentation-status-context,
.presentation-status-meta {
    margin: 0;
    line-height: 1.5;
}

.presentation-status-context {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: color-mix(in srgb, var(--text-color, #333) 60%, #64748b 40%);
}

.presentation-status-meta {
    font-size: 0.9rem;
    color: color-mix(in srgb, var(--text-color, #333) 72%, #64748b 28%);
}

.presentation-link-panel {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 78%, transparent);
    border-radius: 16px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
}

.presentation-saved-panel {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 78%, transparent);
    border-radius: 16px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
}

.presentation-link-row {
    display: grid;
    grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
    gap: 10px;
}

.presentation-saved-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
}

.presentation-link-hint {
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.45;
    color: color-mix(in srgb, var(--text-color, #333) 66%, #64748b 34%);
}

.presentation-link-actions {
    margin-top: 2px;
}

@media (max-width: 720px) {
    .presentation-link-row {
        grid-template-columns: 1fr;
    }
}

.panel-toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 78%, transparent);
    border-radius: 14px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 84%, var(--bg-surface, #f8fafc) 16%);
    cursor: pointer;
    font-weight: 500;
}

.panel-toggle-label input[type="checkbox"] {
    margin: 0;
    accent-color: var(--primary-color, #8e82ff);
}

.teacher-panel .button-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.teacher-panel .button-group > * {
    width: 100%;
}

.teacher-panel .input-group {
    display: grid;
    gap: 8px;
}

.teacher-panel .input-group label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--text-secondary, #64748b);
}

.teacher-panel input[type="text"],
.teacher-panel input[type="number"],
.teacher-panel select {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 82%, transparent);
    border-radius: 12px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 92%, var(--bg-surface, #f8fafc) 8%);
    color: var(--text-primary, #0f172a);
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

.teacher-panel input[type="text"]::placeholder,
.teacher-panel input[type="number"]::placeholder {
    color: color-mix(in srgb, var(--text-secondary, #64748b) 72%, transparent);
}

.teacher-panel input[type="text"]:focus,
.teacher-panel input[type="number"]:focus,
.teacher-panel select:focus {
    outline: 2px solid color-mix(in srgb, var(--primary-color, #8e82ff) 28%, #ffffff 72%);
    outline-offset: 1px;
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 50%, var(--border-color, #dfe4e2) 50%);
}

.teacher-panel .theme-selector,
.teacher-panel .preset-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.teacher-panel .background-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
    gap: 10px;
    align-items: stretch;
}

.teacher-panel .preset-filters {
    margin-top: 2px;
}

.teacher-panel .student-list-display {
    margin: 0;
    max-height: 180px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 80%, var(--bg-surface, #f8fafc) 20%);
}

.lesson-plan-body {
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.lesson-plan-body > .ql-toolbar.ql-snow {
    border: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color, #e0e0e0) 76%, transparent);
    border-radius: 0;
    padding: 0.45rem 0.7rem;
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
}

.lesson-plan-body > #lesson-plan-editor {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    width: 100%;
    background: color-mix(in srgb, var(--card-background, #ffffff) 96%, var(--bg-surface, #f8fafc) 4%);
}

.lesson-plan-body > #lesson-plan-editor .ql-container {
    border: 0;
    min-height: 0;
    flex: 1;
    overflow: hidden;
}

.lesson-plan-body > #lesson-plan-editor .ql-editor {
    padding: 0;
    overflow-y: auto;
    min-height: 16rem;
}

/* Floating Action Button (FAB) */
.fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background-color: var(--primary-color, #8e82ff);
    color: var(--text-on-accent);
    border: none;
    border-radius: 50%;
    font-size: 2rem;
    box-shadow: var(--shadow-medium, 0 4px 10px rgba(0,0,0,0.2));
    cursor: pointer;
    z-index: 1000;
    transition: background-color calc(200ms * (1 - var(--reduce-motion, 0))),
                transform calc(200ms * (1 - var(--reduce-motion, 0)));
}

.fab:hover {
    background-color: var(--secondary-color, #ff8c42);
    transform: scale(1.05);
}

dialog {
    border: none;
    border-radius: var(--border-radius-large, 12px);
    padding: 0;
    width: min(520px, 92vw);
    max-height: calc(100vh - 32px);
    overflow: hidden;
    box-shadow: var(--shadow-strong, 0 6px 16px rgba(0,0,0,0.15));
    background: var(--card-background, #ffffff);
    transition: transform calc(240ms * (1 - var(--reduce-motion, 0))) ease,
                opacity calc(240ms * (1 - var(--reduce-motion, 0))) ease;
}

dialog::backdrop {
    background: var(--modal-backdrop, rgba(0, 0, 0, 0.35));
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg, 16px) var(--spacing-xl, 24px);
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.modal-body {
    padding: var(--spacing-xl, 24px);
    display: grid;
    gap: var(--spacing-md, 12px);
}

#widget-settings-modal .modal-content {
    width: min(680px, 92vw);
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-background, #ffffff) 96%, #ffffff 4%), color-mix(in srgb, var(--bg-surface, #f8fafc) 84%, #ffffff 16%));
    box-shadow: var(--shadow-strong, 0 6px 16px rgba(0,0,0,0.15));
}

#widget-settings-modal .modal-header {
    padding: 1.35rem 1.5rem 1rem;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 82%, #ffffff 18%);
}

#widget-settings-modal .modal-title {
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

#widget-settings-modal .modal-close-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border-soft-2);
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--accent) 12%);
    color: var(--text-primary);
    font-size: 1.45rem;
    line-height: 1;
    box-shadow: none;
}

#widget-settings-modal .modal-body {
    gap: 1rem;
    padding: 1.25rem 1.5rem 1.5rem;
    max-height: min(72vh, 720px);
    overflow-y: auto;
}

#widget-settings-modal .widget-content-controls {
    padding: 0;
    gap: 0.9rem;
}

#widget-settings-modal .widget-content-controls > * {
    margin: 0;
}

#widget-settings-modal .widget-content-controls h3 {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

#widget-settings-modal .widget-content-controls hr {
    width: 100%;
    margin: 0.2rem 0;
    border: 0;
    border-top: 1px solid var(--border-soft-2);
}

#widget-settings-modal .widget-content-controls label {
    display: grid;
    gap: 0.45rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #334155;
}

#widget-settings-modal .widget-content-controls input[type="text"],
#widget-settings-modal .widget-content-controls input[type="number"],
#widget-settings-modal .widget-content-controls select,
#widget-settings-modal .widget-content-controls textarea {
    width: 100%;
    min-height: 44px;
    padding: 0.8rem 0.95rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 14px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 92%, var(--bg-surface, #f8fafc) 8%);
    color: #1e293b;
    font: inherit;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

#widget-settings-modal .widget-content-controls textarea {
    min-height: 120px;
    resize: vertical;
}

#widget-settings-modal .widget-content-controls input[type="checkbox"],
#widget-settings-modal .widget-content-controls input[type="radio"] {
    accent-color: var(--accent);
}

#widget-settings-modal .widget-content-controls .control-button,
#widget-settings-modal .widget-content-controls button {
    min-height: 42px;
    padding: 0.75rem 1rem;
    border-radius: 14px;
}

#widget-settings-modal .widget-content-controls .button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

#widget-settings-modal .widget-content-controls .button-group > * {
    flex: 1 1 180px;
}

#widget-settings-modal .widget-content-controls .widget-help-text,
#widget-settings-modal .widget-content-controls .widget-status {
    padding: 0.9rem 1rem;
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 90%, #ffffff 10%);
}

#widget-settings-modal .widget-content-controls .widget-help-text {
    border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border-soft-2) 82%);
    color: var(--text-secondary);
}

#widget-settings-modal .widget-content-controls .widget-status {
    border: 1px solid var(--border-soft-2);
    color: var(--text-primary);
}

#widget-settings-modal .widget-settings-section {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
}

#widget-settings-modal .widget-settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

#widget-settings-modal .widget-settings-actions > * {
    flex: 1 1 160px;
}

#widget-settings-modal .widget-settings-meta {
    display: grid;
    gap: 0.45rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 88%, #ffffff 12%);
    border: 1px solid var(--border-soft-2);
    color: rgba(241, 245, 249, 0.92);
}

#widget-settings-modal .widget-settings-meta strong {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.78);
}

.widget-settings-empty {
    min-height: 160px;
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border: 1px dashed var(--border-soft-2);
    border-radius: 18px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 90%, #ffffff 10%);
    color: var(--text-secondary);
    font-size: 1rem;
}

.modal-common-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-soft-2);
}

.modal-common-controls__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.modal-secondary-btn,
.modal-danger-btn {
    min-height: 40px;
    padding: 0.7rem 1rem;
    border-radius: 14px;
}

.modal-secondary-btn {
    background: color-mix(in srgb, var(--accent) 10%, #ffffff 90%);
    border-color: color-mix(in srgb, var(--accent) 20%, var(--border-soft-2) 80%);
    color: var(--text-primary);
}

.modal-danger-btn {
    background: color-mix(in srgb, #dc2626 12%, #ffffff 88%);
    border-color: color-mix(in srgb, #dc2626 28%, #ffffff 72%);
    color: #991b1b;
}

.widget-settings-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 0.95rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 88%, #ffffff 12%);
    color: var(--text-primary);
    font-weight: 500;
}

.widget-settings-toggle input[type="checkbox"] {
    inline-size: 1rem;
    block-size: 1rem;
    accent-color: var(--accent);
}

#widget-settings-modal .timer-presets,
#widget-settings-modal .named-preset-section,
#widget-settings-modal .auto-restart-container,
#widget-settings-modal .timer-interval,
#widget-settings-modal .name-picker-group-controls,
#widget-settings-modal .name-picker-import-export,
#widget-settings-modal .rich-text-settings-controls,
#widget-settings-modal .notes-settings-controls {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--bg-surface, #f8fafc) 12%);
    color: #334155;
}

#widget-settings-modal .timer-presets label,
#widget-settings-modal .auto-restart-container label,
#widget-settings-modal .timer-interval > label,
#widget-settings-modal .name-picker-group-controls > label {
    display: grid;
    gap: 0.5rem;
}

#widget-settings-modal .add-preset-form {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(92px, 0.8fr) auto;
    gap: 0.65rem;
    align-items: end;
}

#widget-settings-modal .named-preset-list {
    display: grid;
    gap: 0.55rem;
    max-height: 160px;
    padding-right: 0.25rem;
    overflow-y: auto;
}

#widget-settings-modal .named-preset-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, #ffffff 8%);
}

#widget-settings-modal .interval-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

#widget-settings-modal .timer-controls-modal {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

#widget-settings-modal .timer-controls-modal > button {
    flex: 1 1 160px;
}

#widget-settings-modal .pick-button {
    width: 100%;
}

#widget-settings-modal .timer-sound-settings,
#widget-settings-modal .timer-sound-settings label,
#widget-settings-modal .timer-sound-settings .sound-option {
    color: rgba(248, 250, 252, 0.96);
}

#widget-settings-modal .timer-sound-settings__label {
    color: rgba(226, 232, 240, 0.82);
}

@media (max-width: 640px) {
    #widget-settings-modal .modal-content {
        width: min(96vw, 420px);
        border-radius: 20px;
    }

    #widget-settings-modal .modal-header {
        padding: 1rem 1rem 0.75rem;
    }

    #widget-settings-modal .modal-title {
        font-size: 1.05rem;
    }

    #widget-settings-modal .modal-close-btn {
        width: 2.25rem;
        height: 2.25rem;
        font-size: 1.2rem;
    }

    #widget-settings-modal .modal-body {
        gap: 0.85rem;
        padding: 1rem;
        max-height: min(82vh, calc(100dvh - 72px));
    }

    #widget-settings-modal .widget-content-controls {
        gap: 0.75rem;
    }

    #widget-settings-modal .widget-content-controls h3 {
        font-size: 0.76rem;
    }

    #widget-settings-modal .widget-content-controls label {
        gap: 0.35rem;
        font-size: 0.9rem;
    }

    #widget-settings-modal .widget-content-controls input[type="text"],
    #widget-settings-modal .widget-content-controls input[type="number"],
    #widget-settings-modal .widget-content-controls select,
    #widget-settings-modal .widget-content-controls textarea {
        min-height: 40px;
        padding: 0.72rem 0.82rem;
        border-radius: 12px;
    }

    #widget-settings-modal .widget-content-controls .control-button,
    #widget-settings-modal .widget-content-controls button {
        min-height: 40px;
        padding: 0.72rem 0.9rem;
        border-radius: 12px;
    }

    #widget-settings-modal .widget-settings-section,
    #widget-settings-modal .timer-presets,
    #widget-settings-modal .named-preset-section,
    #widget-settings-modal .auto-restart-container,
    #widget-settings-modal .timer-interval,
    #widget-settings-modal .name-picker-group-controls,
    #widget-settings-modal .name-picker-import-export,
    #widget-settings-modal .rich-text-settings-controls,
    #widget-settings-modal .notes-settings-controls {
        gap: 0.65rem;
        padding: 0.85rem;
        border-radius: 16px;
    }

    #widget-settings-modal .widget-content-controls .widget-help-text,
    #widget-settings-modal .widget-content-controls .widget-status,
    #widget-settings-modal .widget-settings-meta {
        padding: 0.8rem 0.9rem;
        border-radius: 14px;
    }

    #widget-settings-modal .widget-settings-actions {
        gap: 0.65rem;
    }

    #widget-settings-modal .widget-settings-actions > * {
        flex-basis: 100%;
    }

    #widget-settings-modal .auto-restart-container label,
    #widget-settings-modal .timer-interval > label {
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 0.65rem;
    }

    #widget-settings-modal .auto-restart-container input[type="checkbox"],
    #widget-settings-modal .timer-interval > label input[type="checkbox"] {
        margin: 0;
    }

    #widget-settings-modal .timer-sound-settings {
        gap: 0.55rem;
        padding: 0.8rem;
    }

    #widget-settings-modal .timer-sound-settings__list {
        gap: 0.4rem;
    }

    #widget-settings-modal .timer-sound-settings .sound-option {
        grid-template-columns: auto 1fr;
        align-items: center;
        justify-content: start;
        gap: 0.55rem;
        font-size: 0.88rem;
    }

    #widget-settings-modal .timer-controls-modal {
        gap: 0.55rem;
    }

    #widget-settings-modal .timer-controls-modal > button {
        flex: 1 1 calc(50% - 0.3rem);
    }

    .modal-common-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .modal-common-controls__actions {
        justify-content: stretch;
    }

    .modal-common-controls__actions > * {
        width: 100%;
    }

    #widget-settings-modal .add-preset-form {
        grid-template-columns: 1fr;
    }
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md, 12px);
    padding: var(--spacing-lg, 16px) var(--spacing-xl, 24px);
    border-top: 1px solid var(--border-color, #e0e0e0);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

.modal-body input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--border-radius, 8px);
    border: 1px solid var(--border-color, #dfe4e2);
    transition: border-color calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                box-shadow calc(200ms * (1 - var(--reduce-motion, 0))) ease;
}

.modal-body input[type="text"]:focus-visible {
    border-color: var(--primary-color, #8e82ff);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color, #8e82ff) 25%, transparent);
}

/* Widget Modal */
#widget-modal .modal-body {
    padding: 0;
    max-height: min(70vh, 640px);
    overflow-y: auto;
}

.widget-categories {
    display: grid;
    gap: var(--spacing-lg, 15px);
    padding: 20px;
}

.widget-category-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md, 10px);
}

.widget-category-title {
    margin: 0;
    grid-column: 1 / -1;
    font-size: 0.95rem;
    color: color-mix(in srgb, var(--text-color, #333) 85%, #fff 15%);
}

.widget-category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md, 10px);
    padding: var(--spacing-lg, 15px);
    border-radius: var(--border-radius-large, 12px);
    border: 1px solid var(--border-color, #e0e0e0);
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
}

.widget-category-btn:hover {
    background-color: var(--hover-bg-color, #f5f5f5);
    box-shadow: var(--shadow-soft, 0 2px 5px rgba(0,0,0,0.1));
}

.widget-category-btn.is-target {
    outline: 3px solid var(--primary-color, #6b7cff);
    outline-offset: 2px;
}

.widget-category-btn .category-icon {
    width: 48px;
    height: 48px;
}

/* Theme Selector Radio Buttons */
.theme-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md, 10px);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 10px);
}

.theme-option span {
    color: color-mix(in srgb, var(--text-color, #333) 80%, var(--a11y-min-contrast-text, #000));
}

.theme-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color, #e0e0e0);
}

/* Responsive Grid Adjustment */
@media (max-width: 768px) {
    .teacher-panel {
        width: 100%;
        max-width: none;
    }

}

@media (min-width: 769px) {
    #student-view.panel-open .widgets-grid {
        width: calc(100% - 35%);
    }
}

/* Widget Styles */
.widget {
    position: relative;
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-background, #ffffff) 96%, #ffffff 4%), color-mix(in srgb, var(--bg-surface, #f8fafc) 78%, #ffffff 22%));
    border: 1px solid var(--border-soft-2);
    border-radius: var(--border-radius-large, 12px);
    box-shadow: var(--shadow-medium, 0 4px 12px rgba(0,0,0,0.15));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow calc(200ms * (1 - var(--reduce-motion, 0))) ease,
                transform calc(200ms * (1 - var(--reduce-motion, 0))) ease;
}

.widget:hover {
    box-shadow: var(--shadow-strong, 0 6px 16px rgba(0,0,0,0.15));
}

.widget:focus-within,
.widget.selected {
    outline: 3px solid var(--a11y-focus-outline, #ffae00);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

/* Clean-on-hover controls */
.widget .secondary-control,
.widget .secondary-text {
    opacity: 0;
    pointer-events: none;
    transition: opacity calc(200ms * (1 - var(--reduce-motion, 0))) ease-in-out;
}

.widget:hover .secondary-control,
.widget:focus-within .secondary-control,
.widget:hover .secondary-text,
.widget:focus-within .secondary-text {
    opacity: 1;
    pointer-events: auto;
}

/* .widget-header removed */

.widget-content {
      padding: var(--spacing-lg, 16px);
      padding-top: 30px; /* Space for the floating settings button */
      padding-bottom: 64px; /* Room for the unified control bar */
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex-grow: 1;
      min-height: 0;
      overflow-y: auto;
      position: relative;
  }

.widget.rich-text-widget .widget-content {
      padding: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
  }

.widget.reveal-manager-widget .widget-content {
      padding: 0;
      overflow: hidden;
  }

.widget-content:has(.timer-widget-content) {
      padding-bottom: var(--spacing-lg, 16px);
  }

.rich-text-settings-controls {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 0;
  }

.widget-control-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, var(--accent) 8%);
    border-top: 1px solid var(--border-color-light, #e5e7eb);
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    gap: 6px;
}

.widget-control-bar .primary-actions,
.widget-control-bar .secondary-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.widget-control-bar .primary-actions button,
.widget-control-bar .secondary-actions button {
    min-height: 26px;
    min-width: 26px;
    padding: 4px 8px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.8rem;
    box-shadow: none;
    letter-spacing: 0;
}

.widget-control-bar .primary-actions button {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 10%, #ffffff 90%);
    color: var(--primary-color, #2d81ff);
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 28%, #ffffff 72%);
}

.widget-control-bar .secondary-actions button {
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--border-color-light, #e5e7eb) 72%, #ffffff 28%);
    color: var(--text-color, #333);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 8px;
}

.widget-control-bar .secondary-actions button i {
    pointer-events: none;
}

/* Resize handle styling */
.resize-handle {
    position: absolute;
    background: var(--resize-handle-bg, rgba(0, 0, 0, 0.15));
    z-index: 2;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.layout-edit-mode .widget:hover .resize-handle,
.layout-edit-mode .resize-handle:focus-visible {
    opacity: 1;
}


.layout-stage-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    height: 100%;
    gap: 12px;
}

.layout-stage-main {
    position: relative;
    overflow: hidden;
}

.layout-stage-sidebar {
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 4px;
}

.layout-stage-main .widget {
    position: absolute;
}

.layout-stage-main .widget.mask-widget,
.layout-stage-main .widget.notes-widget {
    z-index: 50;
}

.notes-widget-content {
      display: flex;
      flex-direction: column;
      height: 100%;
      min-height: 0;
      overflow: hidden;
      color: var(--text-primary);
  }

.notes-main-display {
    align-items: stretch;
    justify-content: flex-start;
    padding: 16px;
    cursor: pointer;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-elevated));
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.notes-main-display:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.notes-display {
    display: flex;
    width: 100%;
    height: 100%;
}

.notes-preview-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.notes-preview-header,
.notes-preview-title,
.notes-preview-snippet,
.notes-preview-meta {
    width: 100%;
}

.notes-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 0.75em;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.notes-preview-label {
    font-weight: 700;
    color: var(--accent);
}

.notes-preview-meta {
    text-align: right;
    white-space: nowrap;
    opacity: 0.85;
}

.notes-preview-title {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
}

.notes-preview-snippet {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notes-preview-snippet.is-empty {
    font-style: italic;
    opacity: 0.9;
}

.notes-expanded-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding: 8px 12px;
      background: var(--card-background, #ffffff);
      border-bottom: 1px solid var(--border-color);
  }

.notes-expanded-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notes-expanded-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.notes-expanded-subtitle {
      display: none;
  }

.notes-close-button {
    background: none;
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
    color: var(--text-secondary);
}

.notes-editor-wrapper .widget-control-bar {
        position: static;
        margin-top: auto;
        padding-top: 8px;
        padding-bottom: 8px;
    }

.notes-editor-wrapper {
      display: flex;
      flex-direction: column;
      min-height: 0;
      overflow: hidden;
  }

.notes-editor-wrapper .ql-toolbar,
.notes-editor-wrapper .ql-container,
.notes-editor-wrapper .ql-editor {
    background: var(--card-background, #ffffff);
}

.notes-editor-wrapper .ql-toolbar {
      border: 0;
      border-radius: 0;
  }

.notes-editor-wrapper .ql-container {
        border: 0;
        min-height: 0;
        flex: 1;
        overflow-y: auto;
    }

.notes-editor-wrapper .ql-editor {
      overflow-y: auto;
  }

.resize-handle.top,
.resize-handle.bottom {
    left: 10px;
    width: calc(100% - 20px);
    height: 6px;
}

.resize-handle.top {
    top: 0;
    cursor: ns-resize;
}

.resize-handle.bottom {
    bottom: 0;
    cursor: ns-resize;
}

.resize-handle.left,
.resize-handle.right {
    top: 10px;
    height: calc(100% - 20px);
    width: 6px;
}

.resize-handle.left {
    left: 0;
    cursor: ew-resize;
}

.resize-handle.right {
    right: 0;
    cursor: ew-resize;
}

.resize-handle.top-left,
.resize-handle.top-right,
.resize-handle.bottom-left,
.resize-handle.bottom-right {
    width: 12px;
    height: 12px;
}

.resize-handle.top-left {
    top: 0;
    left: 0;
    cursor: nwse-resize;
}

.resize-handle.top-right {
    top: 0;
    right: 0;
    cursor: nesw-resize;
}

.resize-handle.bottom-left {
    bottom: 0;
    left: 0;
    cursor: nesw-resize;
}

.resize-handle.bottom-right {
    bottom: 0;
    right: 0;
    cursor: nwse-resize;
}


.projector-edit-controls {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    display: none !important;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border-radius: 12px;
    background: rgba(18, 24, 38, 0.84);
    color: #fff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.projector-edit-status {
    font-weight: 600;
    font-size: 0.9rem;
}

.projector-edit-button {
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.85rem;
    cursor: pointer;
}

.projector-edit-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.projector-view.edit-mode .widget {
    outline: 2px dashed rgba(255, 255, 255, 0.45);
    outline-offset: -2px;
}

.name-picker-display {
    padding: var(--spacing-xl, 20px);
    text-align: center;
    font-weight: 600;
    border: 1px dashed var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-large, 12px);
    background: color-mix(in srgb, var(--hover-bg-color, #f5f5f5) 70%, transparent);
    transition: background-color calc(240ms * (1 - var(--reduce-motion, 0))) ease,
                color calc(240ms * (1 - var(--reduce-motion, 0))) ease,
                transform calc(200ms * (1 - var(--reduce-motion, 0))) ease;
}

.widget-help-text {
    padding: 10px;
    background-color: var(--hover-bg-color, #f5f5f5);
    border-radius: var(--border-radius-small, 12px);
    margin-bottom: 10px;
}

.rich-text-widget-inner {
      flex: 1;
      display: flex;
      flex-direction: column;
      width: 100%;
      height: 100%;
      min-height: 0;
      overflow: hidden;
      color: var(--text-primary);
      background: var(--card-background, #ffffff);
      gap: 0.35rem;
  }

.rich-text-drag-handle {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 28px;
      padding: 0.2rem 0.75rem;
      border-bottom: 1px dashed color-mix(in srgb, var(--border-color, #dfe4e2) 78%, transparent);
      background: color-mix(in srgb, var(--bg-surface, #f8fafc) 86%, var(--card-background, #ffffff) 14%);
      color: var(--text-secondary, #64748b);
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: grab;
      user-select: none;
}

.rich-text-drag-handle:active {
      cursor: grabbing;
}

.rich-text-widget-inner.is-projector-mode .rich-text-drag-handle {
      display: none;
}

.rich-text-editor-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 0.55rem 0.85rem 0.35rem;
      color: var(--text-primary, #0f172a);
  }

.rich-text-editor-title {
      font-size: 0.95rem;
      font-weight: 800;
      letter-spacing: -0.02em;
  }

.rich-text-editor-status {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0.2rem 0.7rem;
      border-radius: 999px;
      background: color-mix(in srgb, var(--primary-color, #8e82ff) 14%, #ffffff 86%);
      color: color-mix(in srgb, var(--primary-color, #8e82ff) 78%, #1f2937 22%);
      font-size: 0.74rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      white-space: nowrap;
  }

.rich-text-widget-inner.display-mode .rich-text-editor-header,
.rich-text-widget-inner.is-projector-mode .rich-text-editor-header,
body.projector-view .rich-text-widget-inner .rich-text-editor-header {
      display: none;
  }

.rich-text-controls-label {
      margin: 0;
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: color-mix(in srgb, var(--text-secondary, #64748b) 82%, transparent);
  }

.rich-text-controls {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 6px;
      align-items: center;
      padding: 0;
      flex: 0 0 auto;
  }

.rich-text-controls--modes {
      padding-top: 4px;
      border-top: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 76%, transparent);
  }

.rich-text-settings-controls .control-button.is-active {
      background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color, #8e82ff) 90%, #ffffff 10%), var(--primary-color, #8e82ff));
      color: var(--text-on-accent);
      border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 70%, #000 5%);
  }

.rich-text-mode-hint {
      display: block;
      margin: 0;
      font-size: 0.84rem;
      line-height: 1.45;
      color: color-mix(in srgb, var(--text-secondary, #64748b) 78%, transparent);
  }

.rich-text-editor-container {
      display: flex;
      flex-direction: column;
      flex: 1;
      min-height: 0;
      overflow: hidden;
      margin: 0 0.45rem 0.45rem;
      border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 78%, transparent);
      border-radius: 18px;
      background: color-mix(in srgb, var(--card-background, #ffffff) 92%, var(--bg-surface, #f8fafc) 8%);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), 0 8px 24px rgba(15, 23, 42, 0.06);
  }

.rich-text-widget-inner .ql-toolbar,
.rich-text-widget-inner .ql-editor {
    transition: all 0.3s ease;
}

.rich-text-widget-inner .ql-toolbar {
        border: 0;
        border-radius: 0;
        padding: 0.35rem 0.55rem 0.3rem;
        background: color-mix(in srgb, var(--card-background, #ffffff) 90%, var(--bg-surface, #f8fafc) 10%);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.15rem;
        border-bottom: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 74%, transparent);
        position: sticky;
        top: 0;
        z-index: 1;
    }

.rich-text-widget-inner .ql-toolbar.ql-snow .ql-formats {
    margin-right: 0.25rem;
    margin-bottom: 0.1rem;
}

.rich-text-widget-inner .ql-toolbar button,
.rich-text-widget-inner .ql-toolbar .ql-picker-label {
    min-height: 24px;
}

.rich-text-widget-inner .ql-toolbar button {
    padding: 1px 3px;
}

.rich-text-widget-inner .ql-toolbar .ql-picker-label {
    padding: 1px 6px;
}

.rich-text-widget-inner .ql-toolbar .ql-picker {
    font-size: 0.8rem;
}

.rich-text-widget-inner .ql-container {
        display: flex;
        flex-direction: column;
        border: 0;
        border-radius: 0 0 18px 18px;
        background: var(--card-background, #ffffff);
        height: 100%;
        min-height: 0;
        flex: 1;
        overflow: hidden;
    }

.rich-text-widget-inner .ql-editor {
      flex: 1;
      min-height: 0;
      font-family: 'Poppins', sans-serif;
      font-size: 1.05rem;
      line-height: 1.55;
      letter-spacing: 0.01em;
      padding: 1rem 1rem 1.05rem;
      color: var(--text-primary);
      background: var(--card-background, #ffffff);
      overflow-y: auto;
  }

.rich-text-widget-inner .ql-editor.ql-blank::before {
    left: 1rem;
    right: 1rem;
    color: color-mix(in srgb, var(--text-secondary, #64748b) 78%, transparent);
    font-style: normal;
}

.rich-text-widget-inner .ql-editor .ql-size-small {
    font-size: 0.95rem;
}

.rich-text-widget-inner .ql-editor .ql-size-large {
    font-size: 1.25rem;
}

.rich-text-widget-inner .ql-editor .ql-size-huge {
    font-size: 1.55rem;
}

.rich-text-widget-inner .ql-editor h2 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 1rem 0 0.7rem;
    border-left: 6px solid var(--accent);
    padding-left: 0.85rem;
    line-height: 1.2;
}

.rich-text-widget-inner .ql-editor h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0.9rem 0 0.5rem;
    line-height: 1.25;
}

.rich-text-widget-inner .ql-editor ul li,
.rich-text-widget-inner .ql-editor ol li {
    margin-bottom: 0.45rem;
    font-weight: 500;
}

.rich-text-widget-inner .ql-editor .display-callout {
    background: var(--bg-elevated);
    border-left: 8px solid var(--accent);
    padding: 0.9rem 1rem;
    border-radius: 12px;
    margin: 1rem 0;
    box-shadow: var(--shadow-soft);
}

.rich-text-widget-inner .ql-editor span[style*="background-color"] {
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
}

.rich-text-widget-inner.display-mode .ql-toolbar {
    display: none;
}

.rich-text-widget-inner.is-projector-mode .ql-toolbar {
    display: none;
}

body.projector-view .rich-text-widget-inner .ql-toolbar {
    display: none !important;
}

.rich-text-widget-inner.display-mode .ql-editor {
    font-size: 1.3rem;
    transition: font-size 0.3s ease;
}

.rich-text-widget-inner.display-mode .ql-editor,
.rich-text-widget-inner.is-projector-mode .ql-editor,
body.projector-view .rich-text-widget-inner .ql-editor {
    font-size: 1.35rem;
    line-height: 1.72;
    padding: 1.5rem 1.65rem 1.8rem;
}

.rich-text-widget-inner.display-mode .ql-editor h2,
.rich-text-widget-inner.is-projector-mode .ql-editor h2,
body.projector-view .rich-text-widget-inner .ql-editor h2 {
    font-size: 2.1rem;
    margin-top: 0.6rem;
}

.rich-text-widget-inner.display-mode .ql-editor h3,
.rich-text-widget-inner.is-projector-mode .ql-editor h3,
body.projector-view .rich-text-widget-inner .ql-editor h3 {
    font-size: 1.55rem;
}

.rich-text-widget-inner[data-presentation-mode="large"].display-mode .ql-editor,
.rich-text-widget-inner[data-presentation-mode="large"].is-projector-mode .ql-editor,
body.projector-view .rich-text-widget-inner[data-presentation-mode="large"] .ql-editor {
    font-size: 1.65rem;
    line-height: 1.82;
    padding: 1.9rem 2rem 2.1rem;
}

.rich-text-widget-inner[data-presentation-mode="large"].display-mode .ql-editor h2,
.rich-text-widget-inner[data-presentation-mode="large"].is-projector-mode .ql-editor h2,
body.projector-view .rich-text-widget-inner[data-presentation-mode="large"] .ql-editor h2 {
    font-size: 2.45rem;
}

.rich-text-widget-inner[data-presentation-mode="large"].display-mode .ql-editor h3,
.rich-text-widget-inner[data-presentation-mode="large"].is-projector-mode .ql-editor h3,
body.projector-view .rich-text-widget-inner[data-presentation-mode="large"] .ql-editor h3 {
    font-size: 1.75rem;
}

.rich-text-widget-inner[data-presentation-mode="focus"].display-mode .ql-container,
.rich-text-widget-inner[data-presentation-mode="focus"].is-projector-mode .ql-container,
body.projector-view .rich-text-widget-inner[data-presentation-mode="focus"] .ql-container {
    background:
        radial-gradient(circle at top, color-mix(in srgb, var(--primary-color, #8e82ff) 12%, transparent), transparent 42%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, var(--card-background, #ffffff) 8%);
}

.rich-text-widget-inner[data-presentation-mode="focus"].display-mode .ql-editor,
.rich-text-widget-inner[data-presentation-mode="focus"].is-projector-mode .ql-editor,
body.projector-view .rich-text-widget-inner[data-presentation-mode="focus"] .ql-editor {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 2.2rem 2.4rem;
}

.rich-text-widget-inner[data-presentation-mode="fullscreen"].display-mode {
    position: fixed;
    inset: 64px 0 0;
    z-index: 1200;
    border-radius: 0;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, var(--card-background, #ffffff) 8%);
    box-shadow: none;
}

body.projector-view .rich-text-widget-inner[data-presentation-mode="fullscreen"].display-mode {
    inset: 0;
}

.rich-text-widget-inner[data-presentation-mode="fullscreen"].display-mode .ql-container {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--bg-surface, #f8fafc) 94%, #ffffff 6%), var(--card-background, #ffffff));
}

.rich-text-widget-inner[data-presentation-mode="fullscreen"].display-mode .ql-editor {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.6rem 2.8rem 3rem;
    font-size: 1.55rem;
    line-height: 1.82;
}

.rich-text-widget-inner[data-presentation-mode="fullscreen"].display-mode .rich-text-drag-handle {
    display: none;
}

.rich-text-widget-inner.display-mode .rich-text-editor-container,
.rich-text-widget-inner.display-mode .ql-container {
    width: 100%;
}

.rich-text-widget-inner.display-mode .rich-text-editor-container,
.rich-text-widget-inner.is-projector-mode .rich-text-editor-container,
body.projector-view .rich-text-widget-inner .rich-text-editor-container {
    margin: 0;
    border-radius: 0;
    border: 0;
    box-shadow: none;
}

/* Background Selector Accessibility */
.background-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.background-swatch {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-medium, 12px);
  border: 2px solid transparent;
  cursor: pointer;
}

.teacher-panel .background-swatch,
.teacher-panel .background-upload-button {
    width: 100%;
    min-height: 72px;
    border-radius: 16px;
}

.teacher-panel .background-swatch {
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 84%, transparent);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.teacher-panel .background-swatch:hover,
.teacher-panel .background-upload-button:hover {
    transform: translateY(-1px);
}

.teacher-panel .background-swatch.is-selected {
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 62%, #ffffff 38%);
    box-shadow:
        0 0 0 2px color-mix(in srgb, var(--primary-color, #8e82ff) 24%, transparent),
        inset 0 0 0 1px rgba(255, 255, 255, 0.26);
}

.teacher-panel .background-upload-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 72px;
    padding: 12px;
    border: 1px dashed color-mix(in srgb, var(--primary-color, #8e82ff) 42%, var(--border-color, #dfe4e2) 58%);
    border-radius: 16px;
    background: color-mix(in srgb, var(--card-background, #ffffff) 86%, var(--bg-surface, #f8fafc) 14%);
    color: var(--text-primary, #0f172a);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.teacher-panel .background-upload-button:focus-visible,
.teacher-panel .background-swatch:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--primary-color, #8e82ff) 36%, #ffffff 64%);
    outline-offset: 2px;
}

.background-swatch:focus-visible {
  outline: 2px solid currentColor;
  border-color: currentColor;
}

.widget-header:focus-visible {
  outline: 2px solid var(--focus-outline-color, #ffae00);
  outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    border: 0;
    padding: 0;
    clip: rect(0 0 0 0);
    overflow: hidden;
}

.notification-toast {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    background: var(--card-background, #fff);
    color: var(--text-color, #222);
    border-radius: var(--border-radius-medium, 12px);
    padding: 0.6rem 1rem;
    box-shadow: var(--shadow-medium, 0 4px 10px rgba(0,0,0,0.2));
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.notification-toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Timer Preset Buttons */
.timer-preset-btn {
    padding: var(--spacing-sm, 10px) var(--spacing-md, 16px);
    font-size: 0.95rem;
    margin-left: var(--spacing-sm, 10px);
}

/* Student List Display */
.student-list-display {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: var(--border-radius, 8px);
    background: var(--hover-bg-color, #f9fafb);
}

.student-list-display li {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    font-size: 0.9rem;
    color: var(--text-color, #333);
}

.student-list-display li:last-child {
    border-bottom: none;
}

/* Refactored Widget Styles (Timer Proof of Concept) */
.timer-widget-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    min-height: 0;
}

.widget-display {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
    padding: 18px;
    border: 1px solid var(--border-soft-2);
    border-radius: 18px;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--card-background, #ffffff) 88%, var(--primary-color, #8e82ff) 12%),
        var(--card-background, #ffffff));
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
}

.timer-display {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 700;
    text-align: center;
    color: color-mix(in srgb, var(--primary-color, #8e82ff) 90%, #111 10%);
    letter-spacing: -0.05em;
    line-height: 1;
}

.widget-content-controls {
    /* Controls are now shown in the modal, but might still be used for layout/styling within the modal */
    display: block;
    padding: 10px;
}

.widget .control-button,
.widget .widget-content-controls .control-button,
.widget .widget-content-controls button,
.widget .widget-content-controls select,
.widget .widget-content-controls input[type="text"],
.widget .widget-content-controls textarea {
    font-size: 0.88rem;
}

.widget .control-button,
.widget .widget-content-controls .control-button {
    min-height: 28px;
    padding: 4px 8px;
    border-radius: 999px;
    box-shadow: none;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--border-color-light, #e5e7eb) 72%, #ffffff 28%);
    color: var(--text-color, #333);
    letter-spacing: 0;
    font-weight: 500;
}

.widget .widget-content-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.widget .widget-content-controls h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.timer-widget-content .widget-status {
    margin-top: -4px;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.timer-widget-content .widget-control-bar {
    position: static;
    margin-top: auto;
    padding: 12px 0 0;
    background: transparent;
    border-top: 1px solid var(--border-soft-2);
    box-shadow: none;
    border-radius: 0;
    gap: 12px;
}

.timer-widget-content .widget-control-bar .primary-actions,
.timer-widget-content .widget-control-bar .secondary-actions {
    gap: 8px;
}

.timer-widget-content .widget-control-bar .primary-actions button,
.timer-widget-content .widget-control-bar .secondary-actions button {
    min-height: 40px;
    padding: 10px 14px;
    border-radius: 999px;
}

.timer-widget-content .sound-button {
    min-width: 40px;
    padding-inline: 12px;
}

.timer-controls-modal {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.timer-sound-settings {
    display: grid;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border-soft-2);
    border-radius: 14px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 94%, #ffffff 6%);
}

.timer-sound-settings__label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.timer-sound-settings__list {
    display: grid;
    gap: 6px;
}

.timer-sound-settings .sound-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
}

.widget .control-button,
.widget .widget-content-controls .control-button,
.widget .widget-content-controls button,
.widget .widget-content-controls select,
.widget .widget-content-controls input[type="text"],
.widget .widget-content-controls textarea {
    font-size: 0.92rem;
}

.widget .control-button,
.widget .widget-content-controls .control-button {
    min-height: 28px;
    padding: 4px 8px;
    border-radius: 999px;
    box-shadow: none;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--border-color-light, #e5e7eb) 72%, #ffffff 28%);
    color: var(--text-color, #333);
    letter-spacing: 0;
    font-weight: 500;
}

.widget .widget-content-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.widget .widget-content-controls h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

/* Modal Overlay Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-backdrop);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.visible {
    display: flex;
    opacity: 1;
}

.modal-overlay .modal-content {
    background: var(--card-background, #ffffff);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-strong);
    width: 90%;
    max-width: 500px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay .modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color, #333);
    padding: 5px;
    line-height: 1;
}

.modal-overlay .modal-header {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    padding-bottom: 10px;
}

#planner-modal .modal-content {
    width: 95%;
    max-width: 960px;
}

#planner-calendar-grid {
    overflow-x: auto;
}

#planner-calendar-grid table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

#planner-calendar-grid th,
#planner-calendar-grid td {
    border: 1px solid var(--border-color, #dfe4e2);
    padding: 8px;
    text-align: center;
}

#planner-calendar-grid th {
    background: color-mix(in srgb, var(--card-background, #ffffff) 80%, var(--hover-bg-color, #eef2f1) 20%);
    position: sticky;
    top: 0;
    z-index: 1;
}

.planner-slot {
    min-height: 64px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.planner-slot:hover {
    background-color: color-mix(in srgb, var(--hover-bg-color, #eef2f1) 85%, #ffffff 15%);
    border-color: var(--primary-color, #8e82ff);
}

.planner-slot.scheduled {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 15%, var(--card-background, #ffffff) 85%);
    color: color-mix(in srgb, var(--text-color, #333) 85%, var(--a11y-min-contrast-text, #000));
    font-weight: 600;
}

.widget-settings-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: color-mix(in srgb, var(--card-background, #ffffff) 82%, var(--overlay-backdrop) 18%);
    color: var(--text-on-accent);
    border: 1px solid var(--border-soft-2, rgba(0, 0, 0, 0.08));
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0; /* Hidden by default */
    transition: opacity 0.2s ease-in-out;
    z-index: 40;
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.05));
    padding: 0;
    line-height: 1;
    font-size: 0.72rem;
}

.document-viewer-widget-content,
.drawing-tool-widget-content,
.noise-meter-widget-content,
.qr-code-widget-content,
.wellbeing-widget-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    min-height: 0;
}

.document-viewer-content,
.drawing-tool-canvas,
.noise-meter-canvas,
.wellbeing-chart-container {
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    border-radius: 14px;
    border: 1px solid var(--border-soft-2);
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 92%, #ffffff 8%);
    overflow: hidden;
}

.drawing-tool-canvas,
.noise-meter-canvas {
    display: block;
}

.qr-code-widget-content {
    align-items: stretch;
}

.qr-code-widget-content .qr-input {
    width: 100%;
}

.qr-code-canvas {
    align-self: center;
    display: block;
    max-width: 100%;
    height: auto;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid var(--border-soft-2);
    background: #ffffff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
}

.widget:hover .widget-settings-btn,
.widget-settings-btn:focus-visible {
    opacity: 1; /* Fade in on hover or focus */
}

.widget-settings-btn:hover {
    background-color: color-mix(in srgb, var(--card-background, #ffffff) 72%, var(--primary-color, #8e82ff) 28%);
}

/* Notes View */
.notes-panel {
    background: var(--card-background, #ffffff);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-large, 12px);
    box-shadow: var(--shadow-soft, 0 2px 6px rgba(0, 0, 0, 0.08));
    padding: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.notes-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 16px;
}

.notes-panel__summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.notes-panel__summary-pill {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 12px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 10%, var(--card-background, #ffffff) 90%);
    color: color-mix(in srgb, var(--text-primary, #0f172a) 82%, var(--primary-color, #8e82ff) 18%);
    border: 1px solid color-mix(in srgb, var(--primary-color, #8e82ff) 18%, var(--border-color, #dfe4e2) 82%);
    font-size: 0.82rem;
    font-weight: 700;
}

.notes-panel__header-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    align-items: center;
}

.notes-panel__hint {
    font-size: 0.95rem;
    color: color-mix(in srgb, var(--text-color, #333) 70%, #000);
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 10%, #f4f7f6 90%);
    padding: 10px 12px;
    border-radius: var(--border-radius-medium, 8px);
    border: 1px solid var(--border-color, #dfe4e2);
    white-space: normal;
}

.saved-notes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.saved-note-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: flex-start;
    padding: 16px 18px;
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 82%, transparent);
    border-radius: 16px;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--card-background, #ffffff) 94%, var(--bg-surface, #f8fafc) 6%),
        color-mix(in srgb, var(--bg-surface, #f8fafc) 82%, var(--card-background, #ffffff) 18%));
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
    gap: 16px;
}

.saved-note-card:hover {
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 35%, var(--border-color, #dfe4e2));
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}

.saved-note-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.saved-note-header,
.saved-note-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.saved-note-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.saved-note-chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 86%, var(--card-background, #ffffff) 14%);
    border: 1px solid color-mix(in srgb, var(--border-color, #dfe4e2) 82%, transparent);
    color: color-mix(in srgb, var(--text-secondary, #64748b) 82%, var(--text-primary, #0f172a) 18%);
    font-size: 0.78rem;
    font-weight: 700;
}

.saved-note-chip--accent {
    background: color-mix(in srgb, var(--primary-color, #8e82ff) 12%, #ffffff 88%);
    color: color-mix(in srgb, var(--primary-color, #8e82ff) 78%, #1f2937 22%);
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 22%, var(--border-color, #dfe4e2) 78%);
}

.saved-note-title {
    font-weight: 800;
    color: var(--text-color, #333);
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.saved-note-updated {
    font-size: 0.84rem;
    color: color-mix(in srgb, var(--text-color, #333) 65%, #000);
}

.saved-note-preview {
    font-size: 0.98rem;
    line-height: 1.6;
    color: color-mix(in srgb, var(--text-color, #333) 80%, #000);
    max-width: 720px;
    margin: 0;
}

.saved-note-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
    min-width: 178px;
}

.saved-note-source {
    font-size: 0.84rem;
    color: color-mix(in srgb, var(--text-secondary, #64748b) 82%, transparent);
}

.notes-empty {
    padding: 24px;
    text-align: center;
    color: color-mix(in srgb, var(--text-color, #333) 70%, #000);
    border: 1px dashed var(--border-color, #dfe4e2);
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg-surface, #f8fafc) 86%, var(--card-background, #ffffff) 14%);
}

.planner-panel__header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.planner-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.planner-panel__card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px;
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-medium, 10px);
    background: color-mix(in srgb, var(--card-background, #ffffff) 94%, var(--primary-color, #8e82ff) 6%);
}

.planner-panel__card h3 {
    margin: 0;
}

.planner-panel__card p {
    margin: 0;
    color: color-mix(in srgb, var(--text-color, #333) 78%, #000);
}

.planner-panel__card label {
    font-weight: 600;
}

.planner-panel__input {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-medium, 10px);
    background: var(--card-background, #ffffff);
    color: var(--text-color, #333);
}

.planner-panel__input:focus {
    outline: 2px solid color-mix(in srgb, var(--primary-color, #8e82ff) 55%, #ffffff);
    outline-offset: 1px;
    border-color: color-mix(in srgb, var(--primary-color, #8e82ff) 55%, var(--border-color, #dfe4e2));
}

.saved-layouts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.saved-layout-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-medium, 10px);
    background: var(--card-background, #ffffff);
}

.saved-layout-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.saved-layout-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex-shrink: 0;
}

@media (max-width: 720px) {
    .notes-panel__header,
    .planner-panel__header {
        flex-direction: column;
    }

    .notes-panel__header-actions,
    .planner-panel__header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .saved-note-card,
    .saved-layout-item {
        flex-direction: column;
    }
}

/* Agenda View */
.agenda-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.agenda-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-background, #ffffff);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-medium, 10px);
    box-shadow: var(--shadow-soft, 0 1px 3px rgba(0,0,0,0.05));
}

.agenda-time {
    font-weight: 600;
    color: var(--primary-color, #8e82ff);
    margin-right: 12px;
}

.agenda-layout-name {
    flex-grow: 1;
    font-weight: 500;
    color: var(--text-color, #333);
}

.agenda-empty {
    text-align: center;
    padding: 20px;
    color: color-mix(in srgb, var(--text-color, #333) 70%, #000);
    font-style: italic;
}

/* Planner Dropdown */
.layout-dropdown {
    width: 100%;
    padding: 6px;
    border: 1px solid var(--primary-color, #8e82ff);
    border-radius: var(--border-radius-medium, 8px);
    background: var(--card-background, #ffffff);
    font-size: 0.9rem;
    color: var(--text-color, #333);
    box-shadow: var(--shadow-soft, 0 2px 4px rgba(0,0,0,0.1));
}

.layout-dropdown:focus {
    outline: 2px solid var(--primary-color, #8e82ff);
    border-color: transparent;
}

/* Recurrence Options in Planner */
.recurrence-wrapper {
    position: relative;
    z-index: 10;
}

.recurrence-options {
    margin-top: 8px;
    padding: 10px;
    background: var(--card-background, #ffffff);
    border: 1px solid var(--border-color, #dfe4e2);
    border-radius: var(--border-radius-medium, 8px);
    box-shadow: var(--shadow-medium, 0 4px 12px rgba(0,0,0,0.15));
    min-width: 220px;
    text-align: left;
}

.recurrence-header {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color, #333);
}

.recurrence-days {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.day-checkbox-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-color, #333);
}

.day-checkbox-label input[type="checkbox"] {
    accent-color: var(--primary-color, #8e82ff);
    cursor: pointer;
}

.recurrence-actions {
    display: flex;
    justify-content: flex-end;
}

.save-recurring-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    background: var(--primary-color, #8e82ff);
    color: var(--text-on-accent);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: filter 0.2s ease;
}

.save-recurring-btn:hover {
    filter: brightness(1.1);
}

/* ==========================
   URL Viewer Widget Styles
   ========================== */
.url-viewer-widget-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.url-viewer-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: 0.5rem;
}

.url-viewer-input {
    flex: 1 1 auto;
    min-width: 0;
}

.url-viewer-content {
    flex: 1 1 auto;
    position: relative;
    overflow: hidden;
}

/* Presentation mode full-screen */
.url-viewer-widget-content.presentation-mode {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 50;
    background: var(--bg-inverse);
}

/* ==========================
   Well-being Widget Styles
   ========================== */
.wellbeing-widget-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 12px;
}

.wellbeing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.wellbeing-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.wellbeing-title .icon {
    font-size: 1.3rem;
}

.wellbeing-toggle-btn {
    padding: 8px 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg-surface);
    border-radius: 8px;
    cursor: pointer;
}

.wellbeing-toggle-btn:hover {
    background: var(--bg-soft-blue);
}

.wellbeing-modes {
    flex: 1;
    display: flex;
}

.wellbeing-mode {
    display: none;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.wellbeing-mode.active {
    display: flex;
}

.wellbeing-prompt {
    font-size: 1.1rem;
    font-weight: 600;
}

.wellbeing-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.wellbeing-option {
    height: 80px;
    font-size: 1.2rem;
    border: 2px solid var(--border-soft);
    border-radius: 12px;
    background: var(--bg-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.wellbeing-option .emoji {
    font-size: 1.5rem;
}

.wellbeing-option:hover {
    background-color: var(--bg-soft-blue);
    border-color: var(--accent);
}

.wellbeing-option.is-active {
    background-color: var(--bg-soft-info);
    border-color: var(--border-info);
    transform: translateY(-2px);
}

.wellbeing-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.wellbeing-chart-container {
    background: var(--bg-elevated);
    border: 1px solid var(--border-soft-2);
    border-radius: 12px;
    padding: 10px;
    min-height: 200px;
}

.wellbeing-dashboard-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.wellbeing-dashboard-actions button {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-soft);
    background: var(--bg-surface);
    cursor: pointer;
}

.wellbeing-dashboard-actions button:hover {
    background: var(--bg-soft-blue);
    border-color: var(--accent);
}

.wellbeing-status {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.wellbeing-history-dialog {
    padding: 16px;
    border: 1px solid var(--border-soft-2);
    border-radius: 12px;
    max-width: 480px;
}

.wellbeing-history-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
    max-height: 240px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wellbeing-history-item {
    border: 1px solid var(--border-soft-2);
    border-radius: 10px;
    padding: 10px;
    background: var(--bg-surface);
}

.wellbeing-history-item strong {
    display: block;
    margin-bottom: 6px;
}

/* ==========================
   Reveal Manager Widget Styles
   ========================== */
.reveal-manager-widget-content {
    width: 100%;
    height: 100%;
    min-height: 0;
}

.reveal-manager {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    gap: 0.4rem;
}

.reveal-manager__topbar,
.reveal-manager__panel {
    display: flex;
    gap: 0.5rem;
}

.reveal-manager__topbar {
    flex: 0 0 auto;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.5rem;
    border: 1px solid color-mix(in srgb, var(--border-soft-2) 84%, transparent 16%);
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-elevated) 94%, var(--accent) 6%);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.reveal-manager--compact .reveal-manager__topbar {
    position: sticky;
    top: 0;
    z-index: 2;
}

.reveal-presenter-status {
    margin-left: 0;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    border: 1px solid var(--border-soft-2);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 0.75rem;
    white-space: nowrap;
}

.reveal-deck-indicator {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0 0.15rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reveal-manager__topbar .reveal-btn {
    min-height: 34px;
    padding: 0.42rem 0.85rem;
    border-radius: 999px;
    border-color: var(--border-soft-2);
    box-shadow: none;
    font-size: 0.85rem;
    line-height: 1;
    letter-spacing: 0.01em;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.reveal-manager__topbar .reveal-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.reveal-manager__topbar .reveal-launch-btn {
    min-width: 76px;
}

.reveal-manager__topbar .reveal-launch-btn {
    border-color: transparent;
}

.reveal-manager__panel {
    flex-direction: column;
}

.reveal-manager__topbar .reveal-toggle-controls-btn {
    min-width: 34px;
    padding-inline: 0;
}

.reveal-manager__section {
    border: 1px solid var(--border-soft-2);
    border-radius: 0.9rem;
    background: var(--bg-surface);
    padding: 0.55rem 0.65rem 0.65rem;
}

.reveal-manager__section summary {
    cursor: pointer;
    font-weight: 600;
    margin-bottom: 0.5rem;
    list-style: none;
}

.reveal-manager__section summary::-webkit-details-marker {
    display: none;
}

.reveal-manager__stage {
    flex: 1 1 auto;
    min-height: 0;
    position: relative;
    display: flex;
}

.reveal-manager--compact .advanced-controls {
    display: none;
}

.reveal-manager-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.reveal-manager__panel .reveal-manager-row {
    gap: 0.45rem;
}

.reveal-manager-row input[type="text"],
.reveal-manager-row textarea,
.reveal-manager-row select {
    width: 100%;
}

.reveal-manager-row select {
    min-width: 0;
}

.reveal-content-textarea {
    min-height: 96px;
    resize: vertical;
}

.reveal-external-hint {
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

.reveal-manager-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
}

.reveal-manager__panel .reveal-btn {
    min-height: 34px;
    padding: 0.45rem 0.8rem;
    font-size: 0.84rem;
}

.reveal-btn {
    border-radius: 0.5rem;
    border: 1px solid transparent;
    font-weight: 600;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.reveal-btn-primary {
    background-color: var(--accent);
    border-color: var(--accent-hover);
    color: var(--text-on-accent);
}

.reveal-btn-primary:hover {
    background-color: var(--accent-hover);
}

.reveal-btn-secondary {
    background-color: var(--bg-surface);
    border-color: var(--border-soft-2);
    color: var(--text-primary);
}

.reveal-btn-secondary:hover {
    background-color: var(--border-soft-2);
}

.reveal-external-source-card {
    width: min(100%, 540px);
    margin: auto;
    padding: 1.2rem 1.25rem;
    border-radius: 1rem;
    border: 1px solid var(--border-soft-2);
    background: linear-gradient(180deg, var(--card-background, #ffffff), color-mix(in srgb, var(--bg-surface, #f8fafc) 86%, #ffffff 14%));
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    display: grid;
    gap: 0.75rem;
    align-self: center;
}

.reveal-external-source-card__eyebrow {
    display: inline-flex;
    width: fit-content;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 14%, #ffffff 86%);
    color: color-mix(in srgb, var(--accent) 82%, #1f2937 18%);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.reveal-external-source-card h3,
.reveal-external-source-card p {
    margin: 0;
}

.reveal-external-source-card__link {
    color: var(--accent);
    word-break: break-word;
    font-weight: 600;
}

.reveal-btn-danger {
    background-color: var(--bg-danger-soft);
    border-color: var(--border-danger);
    color: var(--text-danger);
}

.reveal-btn-danger:hover {
    background-color: var(--bg-danger-hover);
}

.reveal-container {
    position: relative;
    flex: 1;
    min-height: 0;
    transition: all 0.3s ease;
    border: 1px solid color-mix(in srgb, var(--border-soft-2) 84%, transparent 16%);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--bg-elevated) 96%, var(--accent) 4%);
}

.reveal-manager-frame-wrap {
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
}

.reveal-inline-deck {
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.reveal-manager-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 600;
    pointer-events: none;
}

/* ==========================
   Presentation Widget Styles
   ========================== */
.presentation-widget-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.presentation-widget-controls {
    display: flex;
    gap: 0.5rem;
}

.presentation-widget-content.presentation-widget--projector .presentation-widget-controls,
.presentation-widget-content.presentation-widget--projector .presentation-widget-preview {
    display: none;
}

.presentation-widget-controls .presentation-select {
    flex: 1;
}

.presentation-widget-stage {
    flex: 1;
    min-height: 0;
    border: 1px solid var(--border-soft-2);
    border-radius: 8px;
    background: var(--bg-surface);
}

.presentation-widget-stage .reveal {
    height: 100%;
}

.presentation-widget-preview {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border-soft-2);
    border-radius: 12px;
    background: color-mix(in srgb, var(--bg-surface) 92%, var(--accent) 8%);
    min-height: 0;
}

.presentation-widget-preview__label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.presentation-widget-preview__text {
    font-size: 0.9rem;
    line-height: 1.35;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}