/* ============================================
   DOMINO SCORE - Design System
   Palette: Noir (#000000), Orange Néon (#FF6B00), 
            Argent (#C0C0C0)
   ============================================ */

:root {
    --color-black: #000000;
    --color-dark-gray: #1A1A1A;
    --color-medium-gray: #2A2A2A;
    --color-neon-orange: #FF6B00;
    --color-neon-orange-glow: rgba(255, 107, 0, 0.4);
    --color-silver: #C0C0C0;
    --color-white: #FFFFFF;
    --color-text-gray: #B0B0B0;
    
    --font-title: 'Montserrat', 'Inter', sans-serif;
    --font-body: 'Inter', 'Roboto', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.6);
    --shadow-neon: 0 0 20px rgba(255, 107, 0, 0.4);
    --border-radius: 8px;
    --spacing-base: 8px;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-black);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(192, 192, 192, 0.03) 0%, transparent 50%);
    color: var(--color-white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header */
.app-header {
    background: linear-gradient(180deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    border-bottom: 2px solid var(--color-neon-orange);
    padding: calc(var(--spacing-base) * 2);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

.logo h1 {
    font-family: var(--font-title);
    font-weight: 900;
    font-size: 2rem;
    text-align: center;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--color-neon-orange-glow);
}

.nav-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-base);
    margin-top: calc(var(--spacing-base) * 2);
}

.tab-btn {
    background: var(--color-medium-gray);
    border: 2px solid var(--color-silver);
    color: var(--color-silver);
    padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 3);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    border-color: var(--color-neon-orange);
    color: var(--color-neon-orange);
    box-shadow: 0 0 15px var(--color-neon-orange-glow);
}

.tab-btn.active {
    background: var(--color-neon-orange);
    border-color: var(--color-neon-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-neon);
}

/* Main Container */
.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(var(--spacing-base) * 3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scanner Section */
.scanner-container {
    position: relative;
    background: var(--color-dark-gray);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-base) * 3);
    box-shadow: var(--shadow-card);
}

.scanner-viewfinder {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--color-black);
    border: 3px solid var(--color-silver);
    border-radius: var(--border-radius);
    overflow: hidden;
}

#reader {
    width: 100%;
    height: 100%;
}

.detection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border: 2px solid var(--color-neon-orange);
    margin: 20px;
    border-radius: var(--border-radius);
}

.corner-marker {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-neon-orange);
    box-shadow: 0 0 10px var(--color-neon-orange);
}

.corner-marker.top-left {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.corner-marker.top-right {
    top: -2px;
    right: -2px;
    border-left: none;
    border-bottom: none;
}

.corner-marker.bottom-left {
    bottom: -2px;
    left: -2px;
    border-right: none;
    border-top: none;
}

.corner-marker.bottom-right {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-neon-orange);
    box-shadow: 0 0 10px var(--color-neon-orange);
    animation: scanLine 2s linear infinite;
}

@keyframes scanLine {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-base) * 1.5);
    padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 3);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn .icon {
    font-size: 1.2rem;
}

.btn-primary {
    background: var(--color-neon-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-neon-orange-glow);
}

.btn-secondary {
    background: var(--color-silver);
    color: var(--color-black);
}

.btn-secondary:hover {
    background: var(--color-white);
}

.btn-neon {
    background: transparent;
    border: 2px solid var(--color-neon-orange);
    color: var(--color-neon-orange);
    box-shadow: 0 0 10px var(--color-neon-orange-glow);
}

.btn-neon:hover {
    background: var(--color-neon-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-neon);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-silver);
    color: var(--color-silver);
}

.btn-outline:hover {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-large {
    padding: calc(var(--spacing-base) * 2) calc(var(--spacing-base) * 4);
    font-size: 1.1rem;
    width: 100%;
    margin: calc(var(--spacing-base) * 1.5) 0;
}

.scanner-controls {
    margin-top: calc(var(--spacing-base) * 3);
}

.scan-instructions {
    margin-top: calc(var(--spacing-base) * 3);
    padding: calc(var(--spacing-base) * 2);
    background: var(--color-medium-gray);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-neon-orange);
}

.scan-instructions h3 {
    color: var(--color-neon-orange);
    margin-bottom: var(--spacing-base);
}

.scan-instructions ol {
    margin-left: calc(var(--spacing-base) * 3);
    color: var(--color-text-gray);
}

.scan-instructions li {
    margin: calc(var(--spacing-base) * 1.5) 0;
}

/* Results Section */
.results-container {
    background: var(--color-dark-gray);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-base) * 3);
    box-shadow: var(--shadow-card);
}

.score-board {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: calc(var(--spacing-base) * 3);
    margin-bottom: calc(var(--spacing-base) * 4);
    align-items: center;
}

.team-score {
    text-align: center;
    padding: calc(var(--spacing-base) * 3);
    background: var(--color-medium-gray);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-silver);
}

.team-score.team-a {
    border-color: var(--color-neon-orange);
    box-shadow: 0 0 20px rgba(255, 107, 0, 0.2);
}

.team-score h2 {
    font-family: var(--font-title);
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-base) * 2);
    color: var(--color-silver);
}

.score-display {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-white);
    text-shadow: 0 0 20px var(--color-neon-orange-glow);
    margin: calc(var(--spacing-base) * 2) 0;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--color-black);
    border-radius: 6px;
    overflow: hidden;
    margin-top: calc(var(--spacing-base) * 2);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-neon-orange), #FF8533);
    transition: width 0.5s ease;
    box-shadow: 0 0 10px var(--color-neon-orange-glow);
}

.vs-divider {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-neon-orange);
    text-shadow: 0 0 20px var(--color-neon-orange-glow);
}

/* Score Table */
.score-table {
    margin: calc(var(--spacing-base) * 3) 0;
    overflow-x: auto;
}

.score-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-medium-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.score-table th,
.score-table td {
    padding: calc(var(--spacing-base) * 2);
    text-align: center;
    border: 1px solid var(--color-silver);
}

.score-table th {
    background: var(--color-neon-orange);
    color: var(--color-white);
    font-weight: 700;
    text-transform: uppercase;
}

.score-table td {
    font-family: var(--font-mono);
    font-size: 1.2rem;
}

.score-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
}

.winner-announcement {
    text-align: center;
    padding: calc(var(--spacing-base) * 4);
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 107, 0, 0.05));
    border: 3px solid var(--color-neon-orange);
    border-radius: var(--border-radius);
    margin: calc(var(--spacing-base) * 3) 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 20px var(--color-neon-orange-glow); }
    50% { box-shadow: 0 0 40px var(--color-neon-orange-glow); }
}

.winner-text {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-neon-orange);
    text-shadow: 0 0 30px var(--color-neon-orange-glow);
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: calc(var(--spacing-base) * 2);
    margin-top: calc(var(--spacing-base) * 3);
}

/* Download Section */
.download-container {
    background: var(--color-dark-gray);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-base) * 3);
    box-shadow: var(--shadow-card);
    text-align: center;
}

.download-container h2 {
    font-family: var(--font-title);
    font-size: 2rem;
    margin-bottom: calc(var(--spacing-base) * 2);
    color: var(--color-neon-orange);
}

.download-container > p {
    color: var(--color-text-gray);
    margin-bottom: calc(var(--spacing-base) * 3);
}

.pdf-preview {
    background: var(--color-black);
    border: 2px solid var(--color-silver);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-base) * 3);
    margin: calc(var(--spacing-base) * 3) 0;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-preview canvas {
    max-width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.pdf-features {
    margin-top: calc(var(--spacing-base) * 4);
    text-align: left;
}

.feature {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-base) * 2);
    padding: calc(var(--spacing-base) * 2);
    margin: calc(var(--spacing-base) * 1.5) 0;
    background: var(--color-medium-gray);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-neon-orange);
}

.feature-icon {
    color: var(--color-neon-orange);
    font-weight: 900;
    font-size: 1.2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

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

.modal-content {
    background: var(--color-dark-gray);
    border: 2px solid var(--color-neon-orange);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-base) * 4);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-neon);
    position: relative;
}

.close-modal {
    position: absolute;
    top: calc(var(--spacing-base) * 2);
    right: calc(var(--spacing-base) * 2);
    font-size: 2rem;
    color: var(--color-silver);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--color-neon-orange);
}

.modal-content h2 {
    font-family: var(--font-title);
    margin-bottom: calc(var(--spacing-base) * 3);
    color: var(--color-neon-orange);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing-base) * 2);
    margin: calc(var(--spacing-base) * 3) 0;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-base) * 2);
    padding: calc(var(--spacing-base) * 2);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-btn.facebook {
    background: #1877F2;
    color: white;
}

.share-btn.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: white;
}

.share-btn.whatsapp {
    background: #25D366;
    color: white;
}

.share-btn.copy {
    background: var(--color-silver);
    color: var(--color-black);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.share-preview {
    margin-top: calc(var(--spacing-base) * 3);
    border: 2px solid var(--color-silver);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.share-preview canvas {
    width: 100%;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: calc(var(--spacing-base) * 3);
    margin-top: calc(var(--spacing-base) * 4);
    border-top: 1px solid var(--color-medium-gray);
    color: var(--color-text-gray);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .score-board {
        grid-template-columns: 1fr;
    }
    
    .vs-divider {
        transform: rotate(90deg);
        margin: calc(var(--spacing-base) * 2) 0;
    }
    
    .score-display {
        font-size: 3rem;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 120px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-neon {
    color: var(--color-neon-orange);
}

.text-silver {
    color: var(--color-silver);
}

.glow-neon {
    text-shadow: 0 0 20px var(--color-neon-orange-glow);
}