/* 
 * Data Pool - Unified Modern Theme
 * Tüm sayfalar için tutarlı tasarım sistemi
 */

:root {
    /* Ana Renkler - Premium Siyah-Altın Gradient */
    --primary-start: #1a1a1a;
    --primary-end: #0a0a0a;
    --primary-light: #2d2d2d;
    --primary-dark: #000000;
    
    /* Altın Renkler */
    --gold-light: #ffd700;
    --gold-main: #f4c430;
    --gold-dark: #d4af37;
    --gold-accent: #ffdf00;
    
    /* Accent Renkler */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    
    /* Neutral Renkler */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Renkler */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Global Styles - Premium Dark Theme */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

body.bg-light {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

/* Sidebar - Premium Black & Gold Design */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    box-shadow: 0 0 40px rgba(244, 196, 48, 0.2);
    border-right: 1px solid rgba(244, 196, 48, 0.1);
}

.sidebar .nav-link {
    color: rgba(244, 196, 48, 0.7);
    padding: 0.75rem 1rem;
    margin: 0.25rem 0.5rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    border: 1px solid transparent;
}

.sidebar .nav-link:hover {
    background: rgba(244, 196, 48, 0.1);
    color: var(--gold-main);
    transform: translateX(4px);
    border-color: rgba(244, 196, 48, 0.3);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, rgba(244, 196, 48, 0.2) 0%, rgba(212, 175, 55, 0.2) 100%);
    color: var(--gold-light);
    box-shadow: 0 4px 12px rgba(244, 196, 48, 0.3);
    border-color: var(--gold-dark);
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

/* Logo Section - Gold Accent */
.logo-section {
    text-align: center;
    padding: 1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid rgba(244, 196, 48, 0.2);
}

.logo-section h4 {
    color: var(--gold-light);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(244, 196, 48, 0.5);
}

.user-info {
    background: linear-gradient(135deg, rgba(244, 196, 48, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    margin-top: 1rem;
    border: 1px solid rgba(244, 196, 48, 0.2);
}

.user-name {
    color: var(--gold-light);
    font-weight: 600;
    font-size: 0.95rem;
}

.user-balance {
    color: rgba(244, 196, 48, 0.8);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Cards - Premium Design with Gold Accent */
.card {
    border: 1px solid rgba(244, 196, 48, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
    background: white;
}

.card:hover {
    box-shadow: 0 10px 30px rgba(244, 196, 48, 0.15);
    border-color: rgba(244, 196, 48, 0.3);
}

.card-header {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    border-bottom: 2px solid rgba(244, 196, 48, 0.2);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
}

.card-body {
    padding: 1.5rem;
}

/* Gradient Cards - Premium Gold */
.gradient-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border: 2px solid rgba(244, 196, 48, 0.3);
    border-radius: var(--radius-2xl);
    color: var(--gold-light);
    box-shadow: 0 8px 32px rgba(244, 196, 48, 0.2);
}

.gradient-card-gold {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-main) 100%);
    color: #000;
}

.gradient-card-blue {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border-color: rgba(59, 130, 246, 0.5);
    color: #3b82f6;
}

.gradient-card-green {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border-color: rgba(16, 185, 129, 0.5);
    color: #10b981;
}

.gradient-card-orange {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border-color: rgba(245, 158, 11, 0.5);
    color: #f59e0b;
}

/* Buttons - Premium Gold Style */
.btn {
    border-radius: var(--radius-lg);
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-main) 100%);
    color: #000;
    box-shadow: 0 4px 15px rgba(244, 196, 48, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(244, 196, 48, 0.5);
    background: linear-gradient(135deg, var(--gold-main) 0%, var(--gold-light) 100%);
}

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

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-main) 100%);
    color: #000;
    border-color: var(--gold-main);
}

/* Form Controls - Gold Focus */
.form-control, .form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--gold-dark);
    box-shadow: 0 0 0 4px rgba(244, 196, 48, 0.15);
    background: #fffef8;
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead {
    background: var(--gray-100);
    color: var(--gray-700);
    font-weight: 600;
}

.table tbody tr {
    transition: background 0.2s ease;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.75rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
    margin-top: 0.5rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Hover Effects */
.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        z-index: 1000;
        transition: left 0.3s ease;
    }
    
    .sidebar.show {
        left: 0;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}