/* ================================
   VIBE CHECK - Modern Dark Theme
   ================================ */

/* === CSS VARIABLES === */
:root {
    /* Colors - Cyberpunk Inspired */
    --bg-primary: #0a0e27;
    --bg-secondary: #121633;
    --bg-card: rgba(20, 25, 55, 0.85);
    --bg-card-hover: rgba(25, 30, 65, 0.95);
    
    /* Accent Colors */
    --accent-primary: #00d9ff;
    --accent-secondary: #a78bfa;
    --accent-tertiary: #f97316;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Effects */
    --glow-primary: 0 0 20px rgba(0, 217, 255, 0.4);
    --glow-success: 0 0 20px rgba(16, 185, 129, 0.4);
    --glow-danger: 0 0 20px rgba(239, 68, 68, 0.4);
    
    /* Spacing */
    --gap-sm: 12px;
    --gap-md: 20px;
    --gap-lg: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* === GLOBAL RESET === */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    position: relative;
    min-height: 100vh;
}

/* === BACKGROUND EFFECTS === */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 20% 20%, 
        rgba(0, 217, 255, 0.08) 0%, 
        transparent 50%
    ),
    radial-gradient(
        circle at 80% 80%, 
        rgba(167, 139, 250, 0.08) 0%, 
        transparent 50%
    );
    animation: gradientShift 15s ease infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-5%, -5%) rotate(180deg); }
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* === MAIN LAYOUT === */
.dashboard {
    display: grid;
    grid-template-columns: 1fr 320px;
    grid-template-rows: 70px 1fr 200px;
    gap: var(--gap-md);
    height: 100vh;
    padding: var(--gap-md);
    max-width: 1800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* === HEADER === */
header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--gap-md);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 217, 255, 0.2);
    box-shadow: var(--glow-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
}

.logo-text {
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-accent {
    color: var(--accent-primary);
    text-shadow: var(--glow-primary);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.session-timer {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-shadow: var(--glow-primary);
    letter-spacing: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
}

.btn-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    background: transparent;
    color: var(--accent-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: var(--glow-primary);
    transform: scale(1.05);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 10px var(--danger);
    animation: pulse 2s ease infinite;
}

.status-dot.status-active {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.status-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* === VIDEO SECTION === */
.video-section {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
}

.video-container {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid rgba(0, 217, 255, 0.3);
    box-shadow: 
        var(--glow-primary),
        inset 0 0 50px rgba(0, 0, 0, 0.5);
}

#videoElement {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.recording-indicator {
    position: absolute;
    top: 20px;
    left: 20px;
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(239, 68, 68, 0.9);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
}

.recording-indicator.active {
    display: flex;
    animation: slideInDown 0.3s ease;
}

.recording-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    animation: blink 1s ease infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === SIDEBAR === */
.sidebar {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
    overflow-y: auto;
    padding-right: 4px;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 217, 255, 0.3);
    border-radius: 3px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: var(--gap-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.stat-card:hover {
    transform: translateY(-2px);
    background: var(--bg-card-hover);
    border-color: rgba(0, 217, 255, 0.3);
}

.stat-icon {
    font-size: 2.5rem;
    line-height: 1;
    filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.5));
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 6px;
    font-family: 'JetBrains Mono', monospace;
}

.stat-unit {
    font-size: 1.5rem;
    opacity: 0.7;
}

.stat-status,
.stat-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Stat card color states */
.stat-card.stat-excellent {
    border-color: rgba(16, 185, 129, 0.5);
}

.stat-card.stat-excellent .stat-value {
    color: var(--success);
}

.stat-card.stat-good .stat-value {
    color: var(--warning);
}

.stat-card.stat-poor {
    border-color: rgba(239, 68, 68, 0.5);
}

.stat-card.stat-poor .stat-value {
    color: var(--danger);
}

/* Sentiment bar */
.sentiment-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.sentiment-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width var(--transition-normal);
    border-radius: 3px;
}

/* Tips card */
.tips-card {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(167, 139, 250, 0.1));
    backdrop-filter: blur(20px);
    padding: var(--gap-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.tips-header {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tips-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    transition: opacity var(--transition-normal);
}

/* === BOTTOM PANEL === */
.bottom-panel {
    grid-column: 1 / -1;
    grid-row: 3 / 4;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--gap-md);
}

/* Transcript section */
.transcript-section {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.transcript-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px var(--gap-md);
    background: rgba(0, 217, 255, 0.05);
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
}

.transcript-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.word-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    transition: transform var(--transition-fast);
}

.transcript-box {
    flex: 1;
    padding: var(--gap-md);
    overflow-y: auto;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.transcript-box::-webkit-scrollbar {
    width: 8px;
}

.transcript-box::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.transcript-box::-webkit-scrollbar-thumb {
    background: rgba(0, 217, 255, 0.3);
    border-radius: 4px;
}

.transcript-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: var(--text-muted);
    opacity: 0.5;
}

.transcript-placeholder svg {
    opacity: 0.3;
}

.transcript-final {
    color: var(--text-primary);
}

.transcript-interim {
    color: var(--accent-primary);
    opacity: 0.6;
    font-style: italic;
}

/* === CONTROLS === */
.controls {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.btn {
    border: none;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn svg {
    position: relative;
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--info));
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--glow-primary),
        0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    box-shadow: var(--glow-danger);
    display: none;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--glow-danger),
        0 10px 30px rgba(239, 68, 68, 0.3);
}

.btn-secondary {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-primary);
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.btn-secondary:hover {
    background: rgba(100, 116, 139, 0.3);
    border-color: rgba(100, 116, 139, 0.5);
}

.control-info {
    display: flex;
    gap: var(--gap-sm);
    padding: var(--gap-sm);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
}

/* === MODAL SYSTEM === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    border: 2px solid rgba(0, 217, 255, 0.3);
    box-shadow: 
        var(--glow-primary),
        0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gap-lg);
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
    background: rgba(0, 217, 255, 0.05);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-icon {
    font-size: 2rem;
}

.btn-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    background: var(--danger);
    color: white;
    transform: rotate(90deg);
}

.modal-body {
    flex: 1;
    padding: var(--gap-lg);
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 10px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(0, 217, 255, 0.3);
    border-radius: 5px;
}

.modal-footer {
    display: flex;
    gap: var(--gap-md);
    padding: var(--gap-lg);
    border-top: 1px solid rgba(0, 217, 255, 0.2);
    background: rgba(0, 0, 0, 0.2);
}

.modal-footer .btn {
    flex: 1;
}

/* === FEEDBACK MODAL === */
.feedback-modal .modal-body {
    min-height: 300px;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    height: 300px;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 217, 255, 0.2);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.feedback-content {
    line-height: 1.8;
    color: var(--text-secondary);
}

.feedback-content h3 {
    color: var(--accent-primary);
    font-size: 1.4rem;
    margin: 24px 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feedback-content h3:first-child {
    margin-top: 0;
}

.feedback-content p {
    margin: 12px 0;
    color: var(--text-primary);
}

.feedback-content ul {
    margin: 12px 0;
    padding-left: 24px;
}

.feedback-content li {
    margin: 8px 0;
    color: var(--text-primary);
}

.feedback-content strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.feedback-content .star {
    color: #fbbf24;
    font-size: 1.2em;
}

.error-message {
    color: var(--danger);
    text-align: center;
    padding: var(--gap-lg);
}

/* === HELP MODAL === */
.help-modal {
    max-width: 700px;
}

.help-steps {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

.help-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    font-weight: 700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--glow-primary);
}

.step-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-tips {
    margin-top: var(--gap-lg);
    padding: var(--gap-md);
    background: rgba(0, 217, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.help-tips h3 {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.help-tips ul {
    list-style: none;
    padding: 0;
}

.help-tips li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.help-tips li:last-child {
    border-bottom: none;
}

.help-tips strong {
    color: var(--accent-primary);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
    .dashboard {
        grid-template-columns: 1fr;
        grid-template-rows: 70px 1fr 320px 200px;
    }
    
    .video-section {
        grid-column: 1 / -1;
    }
    
    .sidebar {
        grid-column: 1 / -1;
        grid-row: 3 / 4;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    .stat-card {
        min-width: 200px;
    }
    
    .bottom-panel {
        grid-column: 1 / -1;
        grid-row: 4 / 5;
    }
}

@media (max-width: 768px) {
    :root {
        --gap-md: 12px;
        --gap-lg: 20px;
    }
    
    .dashboard {
        padding: 12px;
        grid-template-rows: auto 1fr auto auto auto;
    }
    
    .header-center {
        display: none;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .bottom-panel {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .controls {
        order: -1;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .feedback-content h3 {
        font-size: 1.2rem;
    }
}

/* === ANIMATIONS === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card,
.tips-card {
    animation: fadeIn 0.5s ease;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.tips-card { animation-delay: 0.4s; }

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}