/* ============================================
   Fußball Manager - Modern Dark Theme
   ============================================ */

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --bg-hover: #334155;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --success-bg: #065f46;
    --danger: #ef4444;
    --danger-bg: #7f1d1d;
    --warning: #f59e0b;
    --warning-bg: #78350f;
    --info: #06b6d4;
    --info-bg: #164e63;
    --border: #334155;
    --sidebar-width: 260px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
    --transition: all 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Images - max dimensions */
img {
    max-width: 800px;
    max-height: 600px;
    height: auto;
    width: auto;
}

img.avatar {
    max-width: 150px;
    max-height: 150px;
    border-radius: var(--radius);
}

img.thumbnail {
    max-width: 80px;
    max-height: 80px;
    object-fit: cover;
}

/* Mobile optimization */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }
    
    body {
        padding: 10px;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .card {
        padding: 15px;
    }
    
    .card-header h2 {
        font-size: 1.1rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table th, .table td {
        padding: 8px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    input, select, textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .sidebar {
        position: fixed;
        left: -260px;
        width: 260px;
        z-index: 1000;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ============================================
   Login Page
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    color: var(--accent);
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-secondary);
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.login-footer p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.login-footer p:last-child {
    margin-bottom: 0;
}

/* ============================================
   Sidebar Navigation
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.sidebar-header i {
    color: var(--accent);
    font-size: 1.5rem;
}

.team-badge {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--accent);
    padding: 10px 20px;
    margin: 10px 0;
    color: var(--accent);
    font-weight: 500;
    font-size: 0.9rem;
}

.team-badge i {
    margin-right: 8px;
}

.nav-links {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-links li a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-links li a.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border-left-color: var(--accent);
}

.nav-links li a i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.user-info {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.logout-btn {
    color: var(--danger) !important;
    font-size: 0.85rem;
    font-weight: 500;
}

.logout-btn:hover {
    color: #f87171 !important;
}

/* ============================================
   Main Content
   ============================================ */
.content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.content-header {
    padding: 24px 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.content-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.content-body {
    padding: 24px 32px;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i {
    color: var(--accent);
}

.card-body {
    padding: 24px;
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-warning .stat-icon { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-success .stat-icon { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.stat-info .stat-icon { background: rgba(6, 182, 212, 0.15); color: var(--info); }
.stat-danger .stat-icon { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

.stat-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

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

/* ============================================
   Grid Layouts
   ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

/* ============================================
   Tables
   ============================================ */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    background: var(--bg-secondary);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background: var(--bg-hover);
}

.table tbody tr.row-blocked {
    background: rgba(239, 68, 68, 0.05);
}

.table tbody tr.row-blocked:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: #475569;
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover {
    background: #16a34a;
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: #000;
}
.btn-warning:hover {
    background: #d97706;
    color: #000;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 1rem;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.actions {
    display: flex;
    gap: 6px;
    white-space: nowrap;
}

.actions-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: 20px;
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-group input[type="file"] {
    padding: 8px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-hint {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-group-btn {
    display: flex;
    align-items: flex-end;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-secondary { background: var(--bg-hover); color: var(--text-secondary); }

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(6,182,212,0.3); }

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
    background: var(--bg-primary);
    border-radius: 20px;
    height: 24px;
    overflow: hidden;
    min-width: 100px;
}

.progress-fill {
    height: 100%;
    background: var(--success);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    min-width: fit-content;
    padding: 0 8px;
    transition: width 0.5s ease;
}

.progress-warning { background: var(--warning); color: #000; }
.progress-danger { background: var(--danger); }

/* ============================================
   Player Thumbnails
   ============================================ */
.player-thumb {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.player-thumb-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: 2px solid var(--border);
}

.player-thumb-sm {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.player-thumb-sm-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    border: 2px solid var(--border);
}

.player-thumb-xs {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.player-inline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.photo-preview {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    margin-top: 8px;
    border: 2px solid var(--border);
}

.current-photo {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ============================================
   Attendance Grid
   ============================================ */
.attendance-info {
    background: var(--info-bg);
    color: var(--info);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.attendance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 12px;
}

.attendance-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.attendance-row {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.attendance-row:hover {
    background: var(--bg-secondary);
}

.attendance-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: var(--transition);
}

.attendance-present {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.05);
}

.attendance-absent {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

.attendance-player {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.attendance-player small {
    display: block;
}

.attendance-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid var(--danger);
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}

.btn-toggle:hover {
    opacity: 0.8;
}

.btn-toggle-active {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.absence-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.absence-details .input-sm {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    width: 100%;
}

.absence-details .input-sm:focus {
    outline: none;
    border-color: var(--accent);
}

.hidden {
    display: none !important;
}

/* ============================================
   Match Players Grid
   ============================================ */
.match-players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

.match-player-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition);
}

.match-player-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.player-included {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.05);
}

.player-excluded {
    border-color: var(--border);
    opacity: 0.7;
}

.player-excluded:hover {
    opacity: 1;
}

.match-player-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.match-player-info small {
    display: block;
    margin-top: 2px;
}

.match-player-status i {
    font-size: 1.5rem;
}

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

/* ============================================
   Filter Form
   ============================================ */
.filter-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.filter-form select {
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}

.filter-form select:focus {
    outline: none;
    border-color: var(--accent);
}

/* ============================================
   Empty State
   ============================================ */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 30px;
    border-radius: var(--radius);
    margin-bottom: 30px;
}

.welcome-banner h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: white;
}

.welcome-banner p {
    opacity: 0.9;
    margin: 0;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: 20px;
}

/* ============================================
   Utilities
   ============================================ */
.mb-4 { margin-bottom: 24px; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        overflow: hidden;
    }

    .sidebar-header span,
    .nav-links li a span,
    .sidebar-footer .user-info,
    .sidebar-footer .logout-btn {
        display: none;
    }

    .sidebar-header {
        justify-content: center;
        padding: 20px 10px;
    }

    .nav-links li a {
        justify-content: center;
        padding: 14px;
    }

    .sidebar-footer {
        display: block !important;
        padding: 10px 5px;
    }

    .sidebar-footer > div:first-child {
        font-size: 0.65rem;
        padding: 5px;
    }

    .sidebar-footer .user-profile-section {
        display: none;
    }

    .sidebar-footer .logout-btn {
        padding: 8px;
        font-size: 0.75rem;
        justify-content: center;
    }

    .sidebar-footer .logout-btn i {
        margin-right: 0;
    }

    .content {
        margin-left: 70px;
    }

    .content-body {
        padding: 16px;
    }

    .content-header {
        padding: 16px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .attendance-grid {
        grid-template-columns: 1fr;
    }

    .match-players-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 60px;
    }

    .content {
        margin-left: 60px;
    }

    .content-body {
        padding: 12px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .stat-info h3 {
        font-size: 1.3rem;
    }
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

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

.card, .stat-card, .attendance-card, .match-player-card {
    animation: fadeIn 0.3s ease;
}

.alert {
    animation: fadeIn 0.4s ease;
}