:root {
    --mozilla-black: #000000;
    --mozilla-pink: #ff0039;
    --mozilla-purple: #592acb;
    --mozilla-blue: #0090ed;
    --mozilla-orange: #ff9400;
    --bg: #f5f5f5;
    --card-bg: #ffffff;
    --text: #000000;
    --text-light: #5e5e72;
    --border: #cdcdd4;
    --success: #00d35b;
    --error: #ff0039;
    --modal-overlay: rgba(0, 0, 0, 0.9);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--mozilla-black);
    color: white;
    padding: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.mozilla-logo {
    height: 40px;
    width: auto;
}

.header-text h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--mozilla-pink), var(--mozilla-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.85;
}

/* Booth Intro */
.booth-intro {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid var(--mozilla-pink);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.booth-intro h2 {
    color: var(--mozilla-black);
    margin-bottom: 0.5rem;
}

.booth-intro p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Video Grid - 4x4 Layout */
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

/* Video Card - Compact for 4x4 */
.video-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: 2px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.video-card:hover,
.video-card:focus {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    border-color: var(--mozilla-pink);
}

.video-card:focus {
    outline: 3px solid var(--mozilla-pink);
    outline-offset: 2px;
}

.card-header {
    background: linear-gradient(135deg, var(--mozilla-purple) 0%, var(--mozilla-blue) 100%);
    color: white;
    padding: 1rem;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-shrink: 0;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-speakers {
    font-size: 0.8rem;
    opacity: 0.9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-body {
    padding: 0.85rem 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.6rem;
}

.tag {
    background: var(--bg);
    color: var(--text);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    border: 1px solid var(--border);
    white-space: nowrap;
}

.card-duration {
    color: var(--text-light);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: auto;
}

/* Responsive Grid Breakpoints */
@media (max-width: 1400px) {
    .video-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 968px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-body {
        grid-template-columns: 1fr;
        height: auto;
        max-height: none;
    }

    .video-container {
        min-height: 300px;
    }

    .feedback-panel {
        max-height: 60vh;
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.85rem;
    }
    
    .card-header {
        padding: 0.85rem;
        min-height: 95px;
    }
    
    .card-title {
        font-size: 0.9rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

/* Video Card */
.video-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: 2px solid transparent;
}

.video-card:hover,
.video-card:focus {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: var(--mozilla-pink);
}

.video-card:focus {
    outline: 3px solid var(--mozilla-pink);
    outline-offset: 2px;
}

.card-header {
    background: linear-gradient(135deg, var(--mozilla-purple) 0%, var(--mozilla-blue) 100%);
    color: white;
    padding: 1.5rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.card-speakers {
    font-size: 0.9rem;
    opacity: 0.9;
}

.card-body {
    padding: 1rem 1.5rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.tag {
    background: var(--bg);
    color: var(--text);
    padding: 0.25rem 0.75rem;
    border-radius: 16px;
    font-size: 0.85rem;
    border: 1px solid var(--border);
}

.card-duration {
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-duration::before {
    content: "⏱";
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    z-index: 1000;
    overflow: auto;
    padding: 20px;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 1400px;
    width: 100%;
    max-height: 90vh;
    position: relative;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.modal-close:hover,
.modal-close:focus {
    background: var(--mozilla-pink);
}

.modal-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0;
    height: 80vh;
    max-height: 800px;
    overflow: hidden; /* Add this */
}

/* Video Container */
.video-container {
    background: #000;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Add this */
}

#videoPlayer {
    width: 100%;
    height: 100%;
    object-fit: contain; /* This ensures video fits inside without overflow */
    max-width: 100%;
    max-height: 100%;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.play-button {
    background: none;
    border: none;
    cursor: pointer;
    color: white;
    transition: transform 0.2s, color 0.2s;
}

.play-button:hover {
    transform: scale(1.1);
    color: var(--mozilla-pink);
}

/* Feedback Panel */
.feedback-panel {
    padding: 2rem;
    overflow-y: auto;
    background: var(--bg);
    display: flex;
    flex-direction: column;
}

.feedback-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--mozilla-black);
}

.feedback-subtitle {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--mozilla-black);
}

/* Thumbs Up/Down */
.thumbs-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.thumb-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    border: 3px solid var(--border);
    background: white;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text);
}

.thumb-btn:hover {
    border-color: var(--mozilla-purple);
    background: #f9f9fb;
    transform: translateY(-2px);
}

.thumb-btn.selected.thumb-up {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.thumb-btn.selected.thumb-down {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.thumb-btn svg {
    width: 40px;
    height: 40px;
}

.thumb-btn.selected svg {
    stroke: white;
}

/* Textarea */
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--mozilla-purple);
}

.char-count {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-top: 2px;
    flex-shrink: 0;
}

.email-field {
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

.email-field:focus {
    outline: none;
    border-color: var(--mozilla-purple);
}

/* Buttons */
.submit-btn,
.secondary-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.submit-btn {
    background: var(--mozilla-pink);
    color: white;
}

.submit-btn:hover:not(:disabled) {
    background: #e6003a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 0, 57, 0.3);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.secondary-btn {
    background: var(--mozilla-black);
    color: white;
    margin-top: 1rem;
}

.secondary-btn:hover {
    background: #333;
}

/* Thank You */
.thank-you {
    text-align: center;
    padding: 3rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.thank-you-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: celebrate 0.6s ease-out;
}

@keyframes celebrate {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.thank-you h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--mozilla-black);
}

.thank-you p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 300px;
}

/* Footer */
footer {
    background: var(--mozilla-black);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

footer a {
    color: var(--mozilla-pink);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 968px) {
    .modal-body {
        grid-template-columns: 1fr;
        height: auto;
        max-height: none;
    }

    .video-container {
        min-height: 300px;
    }

    .feedback-panel {
        max-height: 60vh;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .header-text h1 {
        font-size: 1.5rem;
    }

    .mozilla-logo {
        height: 32px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .modal-content {
        max-height: 95vh;
        border-radius: 0;
    }

    .thumbs-buttons {
        gap: 0.75rem;
    }

    .thumb-btn {
        padding: 1rem 0.5rem;
    }

    .thumb-btn svg {
        width: 32px;
        height: 32px;
    }

    .booth-intro {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header-text h1 {
        font-size: 1.25rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .feedback-panel {
        padding: 1.5rem;
    }
}