/**
 * Custom Exam UI Styles
 * Mimics the NTA/CSIR online examination interface.
 *
 * @package CustomExamUI
 */

/* ============================================================
   CSS VARIABLES / THEME
   ============================================================ */
:root {
    --cexui-primary: #d97706;
    --cexui-primary-dark: #b45309;
    --cexui-header-bg: #e8e8e8;
    --cexui-header-border: #999;
    --cexui-body-bg: #f5f5f5;
    --cexui-white: #ffffff;
    --cexui-text: #333;
    --cexui-text-light: #666;
    --cexui-border: #ccc;
    --cexui-green: #1a8c1a;
    --cexui-green-dark: #0e6b0e;
    --cexui-red: #d42b2b;
    --cexui-blue: #2563eb;
    --cexui-purple: #7c3aed;
    --cexui-timer-bg: #0891b2;
    --cexui-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    /* Status colors */
    --cexui-not-visited-bg: #e2e8f0;
    --cexui-not-visited-text: #475569;
    --cexui-not-answered-bg: #ef4444;
    --cexui-not-answered-text: #fff;
    --cexui-answered-bg: #22c55e;
    --cexui-answered-text: #fff;
    --cexui-marked-bg: #a855f7;
    --cexui-marked-text: #fff;
    --cexui-answered-marked-bg: #22c55e;
    --cexui-answered-marked-text: #fff;
}

/* ============================================================
   RESET / BASE
   ============================================================ */
.cexui-exam-container *,
.cexui-instructions-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.cexui-exam-container,
.cexui-instructions-container {
    font-family: var(--cexui-font);
    font-size: 14px;
    color: var(--cexui-text);
    line-height: 1.5;
    width: 100%;
    min-height: 100vh;
}

/* ============================================================
   INSTRUCTIONS PAGE
   ============================================================ */
.cexui-instructions-container {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.cexui-instructions-wrap {
    max-width: 960px;
    width: 100%;
    margin: 30px auto;
    background: var(--cexui-white);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.cexui-instructions-header {
    background: linear-gradient(135deg, var(--cexui-primary), var(--cexui-primary-dark));
    color: white;
    padding: 24px 32px;
}

.cexui-instructions-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cexui-quiz-meta {
    display: flex;
    gap: 24px;
    font-size: 14px;
    opacity: 0.9;
}

.cexui-quiz-meta span {
    color: white;
}

.cexui-instructions-body {
    padding: 32px;
    max-height: 55vh;
    overflow-y: auto;
}

.cexui-instructions-body h2,
.cexui-instructions-body h3 {
    color: var(--cexui-primary-dark);
    margin: 16px 0 8px;
}

.cexui-instructions-body h2 {
    font-size: 20px;
    text-align: center;
}

.cexui-instructions-body h3 {
    font-size: 16px;
}

.cexui-instructions-body ol,
.cexui-instructions-body ul {
    padding-left: 24px;
    margin-bottom: 12px;
}

.cexui-instructions-body li {
    margin-bottom: 6px;
}

.cexui-instructions-body p {
    margin-bottom: 8px;
}

.cexui-instructions-footer {
    padding: 24px 32px;
    border-top: 2px solid #e5e7eb;
    background: #fafafa;
}

.cexui-declaration {
    margin-bottom: 20px;
    padding: 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
}

.cexui-declaration label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1.5;
    color: #4b5563;
}

.cexui-declaration input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 2px;
    accent-color: var(--cexui-green);
    cursor: pointer;
}

.cexui-proceed-wrap {
    text-align: center;
}

.cexui-btn-proceed {
    display: inline-block;
    background: linear-gradient(135deg, var(--cexui-green), var(--cexui-green-dark));
    color: white;
    border: none;
    padding: 14px 60px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(26, 140, 26, 0.3);
}

.cexui-btn-proceed:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 140, 26, 0.4);
}

.cexui-btn-proceed:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============================================================
   EXAM UI — HEADER
   ============================================================ */
.cexui-exam-container {
    background: var(--cexui-body-bg);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.cexui-header {
    background: var(--cexui-header-bg);
    border-bottom: 3px solid var(--cexui-primary);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.cexui-candidate-info {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 32px;
}

.cexui-info-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cexui-label {
    font-size: 13px;
    color: var(--cexui-text-light);
}

.cexui-value {
    font-size: 13px;
    font-weight: 600;
}

.cexui-highlight {
    color: var(--cexui-primary-dark);
}

.cexui-timer-value {
    background: var(--cexui-timer-bg);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ============================================================
   EXAM UI — MAIN LAYOUT
   ============================================================ */
.cexui-main {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* ============================================================
   EXAM UI — QUESTION AREA
   ============================================================ */
.cexui-question-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 24px;
    overflow-y: auto;
    position: relative;
}

/* Question Content */
.cexui-question-content {
    margin-bottom: 20px;
}

.cexui-question-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--cexui-text);
    margin-bottom: 12px;
}

.cexui-question-title {
    font-size: 15px;
    padding: 16px;
    border: 1px solid var(--cexui-border);
    border-left: 4px solid var(--cexui-primary);
    background: white;
    border-radius: 4px;
    margin-bottom: 4px;
    line-height: 1.7;
}

.cexui-question-description {
    font-size: 13px;
    color: var(--cexui-text-light);
    padding: 8px 16px;
    font-style: italic;
}

.cexui-question-marks {
    text-align: right;
    font-size: 13px;
    color: var(--cexui-primary-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

/* ============================================================
   EXAM UI — OPTIONS
   ============================================================ */
.cexui-options {
    margin-bottom: 20px;
}

.cexui-option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
}

.cexui-option-item:hover {
    border-color: var(--cexui-primary);
    background: #fffbeb;
}

.cexui-option-item.selected {
    border-color: var(--cexui-blue);
    background: #eff6ff;
    box-shadow: 0 0 0 1px var(--cexui-blue);
}

.cexui-option-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.cexui-option-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.cexui-option-item.selected .cexui-option-radio {
    border-color: var(--cexui-blue);
    background: var(--cexui-blue);
}

.cexui-option-item.selected .cexui-option-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

.cexui-option-item.selected .cexui-option-checkbox {
    border-color: var(--cexui-blue);
    background: var(--cexui-blue);
}

.cexui-option-item.selected .cexui-option-checkbox::after {
    content: '✓';
    color: white;
    font-size: 13px;
    font-weight: 700;
}

.cexui-option-text {
    font-size: 14px;
    color: var(--cexui-text);
}

.cexui-option-image {
    max-width: 200px;
    max-height: 150px;
    border-radius: 4px;
}

/* ============================================================
   EXAM UI — ACTION BUTTONS
   ============================================================ */
.cexui-action-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-top: 2px solid #e5e7eb;
    margin-top: auto;
    flex-wrap: wrap;
    gap: 8px;
}

.cexui-action-left {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.cexui-btn {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 700;
    border: 2px solid;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    white-space: nowrap;
}

.cexui-btn-save {
    background: var(--cexui-green);
    border-color: var(--cexui-green);
    color: white;
}

.cexui-btn-save:hover {
    background: var(--cexui-green-dark);
    border-color: var(--cexui-green-dark);
}

.cexui-btn-clear {
    background: white;
    border-color: var(--cexui-border);
    color: var(--cexui-text);
}

.cexui-btn-clear:hover {
    background: #f5f5f5;
}

/* Save & Mark for Review — matches "Answered & Marked for Review" in the
   palette: green with a purple dot in the corner. */
.cexui-btn-review-save {
    position: relative;
    background: var(--cexui-answered-marked-bg);
    border-color: var(--cexui-answered-marked-bg);
    color: var(--cexui-answered-marked-text);
}

.cexui-btn-review-save:hover {
    background: var(--cexui-green-dark);
    border-color: var(--cexui-green-dark);
}

.cexui-btn-review-save::after {
    content: '';
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cexui-marked-bg);
    border: 1px solid #fff;
}

/* Mark for Review & Next — matches "Marked for Review" in the palette: purple. */
.cexui-btn-review {
    background: var(--cexui-marked-bg);
    border-color: var(--cexui-marked-bg);
    color: var(--cexui-marked-text);
}

.cexui-btn-review:hover {
    background: var(--cexui-purple);
    border-color: var(--cexui-purple);
}

.cexui-btn-submit {
    background: var(--cexui-red);
    border-color: var(--cexui-red);
    color: white;
    padding: 10px 24px;
    font-size: 14px;
}

.cexui-btn-submit:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

/* ============================================================
   EXAM UI — NAVIGATION
   ============================================================ */
.cexui-navigation {
    display: flex;
    gap: 12px;
    padding: 12px 0;
}

.cexui-nav-btn {
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    background: white;
    border: 1px solid var(--cexui-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.cexui-nav-btn:hover {
    background: #f0f0f0;
}

/* ============================================================
   EXAM UI — PALETTE TOGGLE
   ============================================================ */
.cexui-palette-toggle {
    width: 24px;
    background: #6b7280;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s;
    flex-shrink: 0;
    user-select: none;
}

.cexui-palette-toggle:hover {
    background: #4b5563;
}

/* ============================================================
   EXAM UI — QUESTION PALETTE SIDEBAR
   ============================================================ */
.cexui-palette {
    width: 300px;
    background: white;
    border-left: 2px solid var(--cexui-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex-shrink: 0;
    transition: width 0.3s ease, opacity 0.3s ease;
}

.cexui-palette.collapsed {
    width: 0;
    overflow: hidden;
    border-left: none;
    opacity: 0;
}

.cexui-palette-header {
    background: var(--cexui-primary);
    color: white;
    padding: 10px 16px;
    text-align: center;
}

.cexui-palette-header h4 {
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

/* Legend */
.cexui-legend {
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.cexui-legend-row {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.cexui-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    font-size: 11px;
    color: var(--cexui-text-light);
}

.cexui-legend-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 28px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    flex-shrink: 0;
}

.cexui-status-not-visited {
    background: var(--cexui-not-visited-bg);
    color: var(--cexui-not-visited-text);
    border: 1px solid #cbd5e1;
}

.cexui-status-not-answered {
    background: var(--cexui-not-answered-bg);
    color: var(--cexui-not-answered-text);
}

.cexui-status-answered {
    background: var(--cexui-answered-bg);
    color: var(--cexui-answered-text);
}

.cexui-status-marked {
    background: var(--cexui-marked-bg);
    color: var(--cexui-marked-text);
}

.cexui-status-answered-marked {
    background: var(--cexui-answered-marked-bg);
    color: var(--cexui-answered-marked-text);
    position: relative;
}

.cexui-status-answered-marked::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--cexui-marked-bg);
    border-radius: 50%;
    border: 1px solid white;
}

/* Palette Grid */
.cexui-palette-grid {
    padding: 12px 16px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}

.cexui-palette-btn {
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cexui-not-visited-bg);
    color: var(--cexui-not-visited-text);
}

.cexui-palette-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.cexui-palette-btn.current {
    outline: 3px solid var(--cexui-primary);
    outline-offset: 1px;
}

.cexui-palette-btn.not-answered {
    background: var(--cexui-not-answered-bg);
    color: var(--cexui-not-answered-text);
    border-color: var(--cexui-not-answered-bg);
}

.cexui-palette-btn.answered {
    background: var(--cexui-answered-bg);
    color: var(--cexui-answered-text);
    border-color: var(--cexui-answered-bg);
}

.cexui-palette-btn.marked {
    background: var(--cexui-marked-bg);
    color: var(--cexui-marked-text);
    border-color: var(--cexui-marked-bg);
}

.cexui-palette-btn.answered-marked {
    background: var(--cexui-answered-marked-bg);
    color: var(--cexui-answered-marked-text);
    border-color: var(--cexui-answered-marked-bg);
    position: relative;
}

.cexui-palette-btn.answered-marked::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 8px;
    height: 8px;
    background: var(--cexui-marked-bg);
    border-radius: 50%;
    border: 1px solid white;
}

/* ============================================================
   SUBMIT CONFIRMATION MODAL
   ============================================================ */
.cexui-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    backdrop-filter: blur(2px);
}

.cexui-modal {
    background: white;
    border-radius: 12px;
    padding: 32px;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: cexui-modal-in 0.3s ease;
}

@keyframes cexui-modal-in {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.cexui-modal h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--cexui-text);
}

.cexui-modal-stats {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.cexui-modal-stat-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
}

.cexui-modal-stat-row span:first-child {
    color: var(--cexui-text-light);
}

.cexui-modal-stat-row span:last-child {
    font-weight: 600;
}

.cexui-modal-warning {
    color: var(--cexui-red);
    font-size: 13px;
    margin-bottom: 20px;
    padding: 8px 12px;
    background: #fef2f2;
    border: 1px solid #fee2e2;
    border-radius: 6px;
}

.cexui-modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.cexui-modal-btn {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.cexui-modal-btn-cancel {
    background: #f3f4f6;
    color: var(--cexui-text);
}

.cexui-modal-btn-cancel:hover {
    background: #e5e7eb;
}

.cexui-modal-btn-confirm {
    background: var(--cexui-red);
    color: white;
}

.cexui-modal-btn-confirm:hover {
    background: #b91c1c;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .cexui-header {
        flex-direction: column;
        gap: 8px;
    }

    .cexui-candidate-info {
        flex-direction: column;
        gap: 2px;
    }

    .cexui-main {
        flex-direction: column;
    }

    .cexui-palette {
        width: 100%;
        max-height: 40vh;
        border-left: none;
        border-top: 2px solid var(--cexui-border);
    }

    .cexui-palette.collapsed {
        max-height: 0;
    }

    .cexui-palette-toggle {
        width: 100%;
        height: 24px;
    }

    .cexui-action-left {
        width: 100%;
    }

    .cexui-btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .cexui-palette-grid {
        grid-template-columns: repeat(8, 1fr);
    }

    .cexui-instructions-wrap {
        margin: 16px;
        border-radius: 8px;
    }

    .cexui-instructions-header {
        padding: 16px 20px;
    }

    .cexui-instructions-body {
        padding: 20px;
    }

    .cexui-instructions-footer {
        padding: 16px 20px;
    }
}

/* ============================================================
   TIMER WARNING STATES
   ============================================================ */
.cexui-timer-warning {
    background: #f59e0b !important;
    animation: cexui-pulse 1s infinite;
}

.cexui-timer-critical {
    background: var(--cexui-red) !important;
    animation: cexui-pulse 0.5s infinite;
}

@keyframes cexui-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ============================================================
   HIDE TUTOR LMS SIDEBAR/HEADER for full-screen exam
   ============================================================ */
.cexui-exam-container ~ *,
body.cexui-exam-active .tutor-course-single-content-wrapper,
body.cexui-exam-active .tutor-course-single-sidebar-wrapper {
    /* We take over the full page */
}

/* Ensure our container is full viewport */
#cexui-exam-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: var(--cexui-body-bg);
}

/* Anchor rendered as a modal button (post-submit View Results link) */
a.cexui-modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}

/* Fill-in-the-blank inputs */
.cexui-fill-blank-row {
    background: white;
    border: 1px solid var(--cexui-border);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 2.2;
}

.cexui-blank-input {
    display: inline-block;
    min-width: 180px;
    margin: 0 6px;
    padding: 6px 10px;
    font-size: 15px;
    font-family: inherit;
    color: var(--cexui-text);
    background: #fff;
    border: 1px solid #94a3b8;
    border-radius: 3px;
    vertical-align: middle;
}

.cexui-blank-input:focus {
    outline: none;
    border-color: var(--cexui-primary);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15);
}

/* Quit Exam button (header) */
.cexui-btn-quit {
    background: transparent;
    color: var(--cexui-red);
    border: 2px solid var(--cexui-red);
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.cexui-btn-quit:hover {
    background: var(--cexui-red);
    color: #fff;
}

/* Legend labels: pin size/line-height so theme styles cannot inflate them */
.cexui-legend-item {
    align-items: flex-start;
}

.cexui-legend-item .cexui-legend-label {
    font-size: 11px !important;
    line-height: 1.4 !important;
    color: var(--cexui-text-light);
    font-style: normal;
    font-weight: 400;
    align-self: center;
}

/* ============================================================
   MOBILE: collapsible header + bottom-sheet question palette
   ============================================================ */
.cexui-header-toggle {
    display: none;
}

@media (max-width: 768px) {
    /* --- Header: collapsible, timer + icon stay visible --- */
    .cexui-header {
        position: relative;
        padding: 10px 48px 10px 12px;
    }

    .cexui-header-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 8px;
        right: 8px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid var(--cexui-header-border);
        background: #fff;
        color: var(--cexui-text);
        font-size: 12px;
        line-height: 1;
        cursor: pointer;
        z-index: 5;
        padding: 0;
    }

    .cexui-header.cexui-collapsed {
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .cexui-header.cexui-collapsed .cexui-info-row {
        display: none;
    }

    .cexui-header.cexui-collapsed .cexui-info-row.cexui-timer-row {
        display: flex;
    }

    .cexui-header.cexui-collapsed .cexui-header-right {
        display: none;
    }

    /* --- Palette: fixed bottom sheet with an always-visible toggle bar --- */
    .cexui-palette-toggle {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 40vh;
        width: 100%;
        height: 36px;
        font-size: 18px;
        z-index: 1001;
    }

    /* Rotate the chevron so > points down (minimise) and < points up (restore). */
    .cexui-palette-toggle span {
        display: inline-block;
        transform: rotate(90deg);
    }

    .cexui-palette {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 40vh;
        max-height: 40vh;
        z-index: 1000;
        border-left: none;
        border-top: 2px solid var(--cexui-border);
        transition: height 0.3s ease;
    }

    .cexui-palette.collapsed {
        width: 100%;
        height: 0;
        max-height: 0;
        opacity: 1;
        overflow: hidden;
        border-top: none;
    }

    body.cexui-palette-collapsed .cexui-palette-toggle {
        bottom: 0;
    }

    /* Keep question content clear of the bottom sheet. */
    .cexui-question-area {
        padding-bottom: calc(40vh + 52px);
    }

    body.cexui-palette-collapsed .cexui-question-area {
        padding-bottom: 52px;
    }
}