:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    
    --success: #10b981;
    --success-hover: #059669;

    --warning: #f59e0b;
    --warning-hover: #d97706;
    
    --danger: #ef4444;
    /* Triggering CI/CD build */
    --danger-hover: #dc2626;
    
    --yellow-card: #facc15;
    --red-card: #ef4444;
}

.parallax-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/stadium.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    opacity: 0.12;
    z-index: -1;
    pointer-events: none;
    filter: saturate(0.5) contrast(1.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

.top-controls {
    position: absolute;
    top: 1rem;
    right: 2rem;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.live-clock {
    font-family: 'Inter', monospace;
    font-variant-numeric: tabular-nums;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    backdrop-filter: blur(12px);
}

.lang-switcher select {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    backdrop-filter: blur(12px);
    outline: none;
    transition: all 0.2s;
}

.lang-switcher select:hover, .lang-switcher select:focus {
    border-color: var(--primary);
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #3b82f6, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}
header {
    text-align: center;
    margin-bottom: 3rem;
}
header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.dashboard {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
}

.glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.sidebar .card {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}
.form-group input, 
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.2s;
    font-family: inherit;
    resize: vertical;
}
.form-group input:focus, 
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.full-width {
    grid-column: 1 / -1;
}

.yellow-card { color: var(--yellow-card); }
.red-card { color: var(--red-card); }

.btn {
    display: inline-block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}
.btn:active {
    transform: translateY(1px);
}
.btn.small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}
.btn.secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}
.btn.primary {
    background-color: var(--primary);
    color: white;
}
.btn.primary:hover {
    background-color: var(--primary-hover);
}
.btn.success {
    background-color: var(--success);
    color: white;
}
.btn.success:hover {
    background-color: var(--success-hover);
}
.btn.warning {
    background-color: var(--warning);
    color: white;
}
.btn.warning:hover {
    background-color: var(--warning-hover);
}
.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.25rem;
    transition: color 0.2s;
}
.btn-icon:hover {
    color: var(--text-main);
}
.btn-icon.delete:hover {
    color: var(--danger);
}
.btn-icon.edit:hover {
    color: var(--warning);
}

.referee-list-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.referee-list-head h2 {
    margin-bottom: 0;
    border: none;
}
#search-referee {
    padding: 0.5rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    color: white;
    outline: none;
}
#search-referee:focus {
    border-color: var(--primary);
}

.referees-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.referee-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: transform 0.2s, background-color 0.2s;
    position: relative;
    overflow: hidden;
}
.referee-card:hover {
    background: rgba(30, 41, 59, 0.9);
    transform: translateY(-2px);
}
.referee-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--success));
}

.referee-header {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    margin-bottom: 1.5rem;
}
.referee-info {
    flex: 1;
}
.referee-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}
.referee-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.fin-badge {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    padding: 0.1rem 0.5rem;
    border-radius: 0.25rem;
    font-family: monospace;
    font-size: 0.85rem;
}
.referee-actions {
    display: flex;
    gap: 0.5rem;
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.stat-item {
    background: rgba(15, 23, 42, 0.5);
    padding: 1rem;
    border-radius: 0.75rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    display: block;
}
.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}
.stat-value.yellow { color: var(--yellow-card); }
.stat-value.red { color: var(--red-card); }
.stat-value.avg { font-size: 1rem; color: var(--primary); margin-top: 0.25rem; }

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: 1rem;
}

/* Notes Section in card */
.referee-notes {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}
.referee-notes strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.referee-notes p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Modal */
.modal {
    display: none; 
    position: fixed; 
    z-index: 100; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.6); 
    backdrop-filter: blur(5px);
}
.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-content {
    background-color: var(--bg-color);
    margin: auto;
    padding: 2rem;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 500px;
    border-radius: 1rem;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-height: 90vh;
    overflow-y: auto;
}
.close-modal {
    color: var(--text-muted);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.close-modal:hover {
    color: var(--text-main);
}
.edit-grid {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
    .edit-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 1rem;
        padding-top: 5rem; /* Push content down to avoid overlap */
    }

    .top-controls {
        position: absolute;
        top: 1rem;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        justify-content: center;
        width: 100%;
    }

    h1 {
        font-size: 1.6rem;
        word-break: break-word;
    }
    
    header p {
        font-size: 0.95rem;
    }

    .sidebar .card, .referee-card {
        padding: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .referee-list-head {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .referee-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .referee-actions {
        align-self: flex-end;
    }
    
    .stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

.footer-status {
    margin-top: 4rem;
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-status p {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-status .version {
    font-weight: 600;
    color: var(--primary);
}

/* Photo Upload Styles */
.photo-upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.photo-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(15, 23, 42, 0.8);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    transition: all 0.3s;
}
.photo-preview.has-image {
    border-style: solid;
    border-color: var(--primary);
}
.photo-preview.has-image i {
    display: none;
}
.modal-photo {
    margin-top: -1rem;
}

.referee-photo-thumb {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-color: rgba(15, 23, 42, 0.8);
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.referee-photo-thumb.placeholder {
    font-size: 1.5rem;
    color: var(--text-muted);
}