body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

/* --- DARK MODE TOGGLE STYLES --- */
.theme-switch-wrapper {
    position: absolute;
    top: 10px;
    right: 20px;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: #4a5568;
}

input:focus + .slider {
    box-shadow: 0 0 1px #4a5568;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}
/* --- END OF TOGGLE STYLES --- */


/* --- MODERN STYLES FOR SUGGESTION BOX --- */
.suggestion-box {
    max-width: 840px;
    margin: 0 auto 30px auto;
}

#suggestion-content {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 12px 12px;
    padding: 16px 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

#suggestion-form textarea {
    width: 100%;
    box-sizing: border-box;
    min-height: 60px;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s, color 0.3s;
}

#suggestion-form textarea:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.5);
}

#suggestion-form button {
    background-image: linear-gradient(to right, #38a169 0%, #2f855a 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#suggestion-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

#suggestion-form button:disabled {
    background-image: linear-gradient(to right, #a0aec0 0%, #718096 100%);
    cursor: not-allowed;
    transform: translateY(0);
    box-shadow: none;
}

.thanks-message {
    text-align: center;
    color: #38a169;
    font-weight: 600;
    font-size: 18px;
    padding-top: 15px;
}
/* --- END OF MODERN STYLES --- */


.filter-sections-wrapper {
    max-width: 840px;
    margin: 0 auto 30px auto;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
}

.collapsible-section {
    flex: 1 1 45%;
}

.filter-toggle {
    cursor: pointer;
    background-color: #e9ecef;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 18px;
    user-select: none;
    transition: background-color 0.2s;
    text-align: center;
    font-family: "Noto Color Emoji", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.filter-toggle:hover {
    background-color: #dee2e6;
}

.collapsible-content {
    max-height: 1000px;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
}

.collapsible-content.collapsed {
    max-height: 0;
    overflow: hidden;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.tag-group {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 0 0 8px 8px;
    padding: 15px;
    width: 100%;
    box-sizing: border-box;
    margin-top: -1px;
}

.tag-button-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-button {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.player-number {
    background-color: rgba(0, 0, 0, 0.08);
    color: #333;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    font-weight: 600;
}

.tag-button.active .player-number {
    background-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.tag-button:hover {
    background-color: #e9ecef;
    border-color: #ccc;
}

.tag-button.active {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
}

.video-group {
    max-width: 1200px;
    margin: 0 auto 40px auto;
}

.video-group-title {
    font-size: 24px;
    border-bottom: 2px solid #dee2e6;
    padding-bottom: 10px;
    margin-bottom: 20px;
    cursor: pointer;
    user-select: none;
}

.video-gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    max-height: 5000px;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
}

.video-gallery-container.collapsed {
    max-height: 0;
    gap: 0;
    margin-top: -20px;
}

.video-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow: hidden;
    position: relative;
}

.video-card h3 {
    font-size: 16px;
    padding: 10px 15px;
    margin: 0;
}

.player-wrapper {
    position: relative;
    background-color: #000;
}

.video-player {
    width: 100%;
    height: auto;
    display: block;
}

.tracking-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.video-card.fullscreen-mode {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    z-index: 1000;
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.video-card.fullscreen-mode h3 {
    flex-shrink: 0;
}

.video-card.fullscreen-mode .player-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-card.fullscreen-mode .video-player {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-card.fullscreen-mode .comments-section {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    background: rgba(0,0,0,0.5);
    padding: 10px;
    border-radius: 8px;
}

.video-card.fullscreen-mode .comments-button {
    display: none;
}

.fullscreen-button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 12px;
    margin-left: 10px;
}

.comments-section {
    padding: 10px 15px;
    /* --- UPDATED --- Removed flex properties */
}

.card-button-wrapper {
    display: flex;
    gap: 10px;
    /* --- NEW --- Add space below the buttons */
    margin-bottom: 15px;
}

.comments-button {
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 12px;
}

.comments-container {
    /* --- REMOVED --- margin-top is no longer needed */
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.comment-form textarea {
    width: 95%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.comment-form button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.comment-list {
    margin-top: 20px;
}

.comment {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 10px;
}

.comment-body {
    margin-top: 5px;
    color: #555;
}


/* --- DARK MODE THEME --- */
body.dark-mode {
    background-color: #1a202c;
    color: #e2e8f0;
}

.dark-mode header h1, .dark-mode header p {
    color: #e2e8f0;
}

.dark-mode #suggestion-content,
.dark-mode .tag-group,
.dark-mode .video-card {
    background-color: #2d3748;
    border-color: #4a5568;
}

.dark-mode .suggestion-box h2,
.dark-mode .video-card h3 {
    color: #e2e8f0;
}

.dark-mode #suggestion-form textarea,
.dark-mode .comment-form textarea {
    background-color: #1a202c;
    color: #e2e8f0;
    border-color: #4a5568;
}

.dark-mode .filter-toggle {
    background-color: #2d3748;
    color: #e2e8f0;
}

.dark-mode .filter-toggle:hover {
    background-color: #4a5568;
}

.dark-mode .tag-button {
    background-color: #4a5568;
    color: #e2e8f0;
    border-color: #718096;
}

.dark-mode .tag-button:hover {
    background-color: #718096;
}

.dark-mode .tag-button.active {
    background-color: #3182ce;
    color: #fff;
    border-color: #3182ce;
}

.dark-mode .video-group-title {
    border-bottom-color: #4a5568;
}

.dark-mode .comment {
    background-color: #1a202c;
    border-color: #4a5568;
}

.dark-mode .comment-body {
    color: #a0aec0;
}

.dark-mode .player-number {
    background-color: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}