/*
 * Base CSS - Bursiyer Portal
 * Common styles, CSS custom properties, and reusable components
 */

/* ==========================================
   CSS Custom Properties (Design Tokens)
   ========================================== */
:root {
    /* Color Palette - Primary */
    --color-primary: #006BA6;
    --color-primary-light: #0082c8;
    --color-primary-dark: #00557a;

    /* Color Palette - Secondary */
    --color-secondary: #FFB81C;
    --color-secondary-light: #ffc94d;
    --color-secondary-dark: #e6a519;

    /* Color Palette - Brand */
    --color-danger: #DA291C;
    --color-danger-light: #ef4444;
    --color-danger-dark: #dc2626;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-success-light: #34d399;
    --color-success-dark: #059669;

    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    --color-warning-dark: #d97706;

    --color-info: #3b82f6;
    --color-info-light: #60a5fa;
    --color-info-dark: #2563eb;

    /* Neutral Colors */
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==========================================
   Base Styles
   ========================================== */
* {
    font-family: var(--font-family);
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    min-height: 100vh;
}

/* ==========================================
   Animations
   ========================================== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Skeleton Loading Animation */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Pulse Animation */
.animate-pulse-slow {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ==========================================
   Card Components
   ========================================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

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

.card--no-hover:hover {
    transform: none;
    box-shadow: var(--shadow-md);
}

/* Summary Card */
.summary-card {
    position: relative;
    overflow: hidden;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

/* Welcome Card */
.welcome-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-left: 4px solid var(--color-primary);
}

/* Action Card */
.action-card {
    background: white;
    border: 1px solid #e5e7eb;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.action-card:hover::before {
    transform: scaleX(1);
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 107, 166, 0.15);
    border-color: var(--color-primary);
}

/* ==========================================
   Badge Components
   ========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

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

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

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

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

.badge--neutral {
    background-color: #f1f5f9;
    color: #475569;
}

/* Role Badge */
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(0, 107, 166, 0.2);
}

/* Stat Badge */
.stat-badge {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
}

/* ==========================================
   Form Components
   ========================================== */
.form-input {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-slate-200);
    background-color: white;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
    color: var(--color-slate-400);
}

.form-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-slate-500);
    margin-bottom: 0.5rem;
}

/* ==========================================
   Button Components
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-info-dark) 0%, #1d4ed8 100%);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background-color: white;
    color: var(--color-slate-700);
    border: 2px solid var(--color-slate-200);
    box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
    border-color: var(--color-slate-300);
    background-color: var(--color-slate-50);
}

.btn--danger {
    background: linear-gradient(135deg, var(--color-danger-light) 0%, var(--color-danger-dark) 100%);
    color: white;
}

.btn--success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: white;
}

/* ==========================================
   Table Styles
   ========================================== */
.table-head {
    background: linear-gradient(90deg, rgba(15, 118, 230, 0.95) 0%, rgba(37, 99, 235, 0.95) 100%);
    color: white;
}

/* ==========================================
   Modal Styles
   ========================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-dark) 100%);
    padding: 1.25rem 1.5rem;
}

.modal-header--danger {
    background: linear-gradient(135deg, var(--color-danger-light) 0%, var(--color-danger-dark) 100%);
}

.modal-header--success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
}

/* ==========================================
   Utility Classes
   ========================================== */
.focus-ring:focus {
    outline: 3px solid rgba(37, 99, 235, 0.65);
    outline-offset: 2px;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Custom Scrollbar */
.scroll-container {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e0 #f7fafc;
}

.scroll-container::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

.scroll-container::-webkit-scrollbar-track {
    background: #f7fafc;
    border-radius: 4px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 4px;
}

.scroll-container::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* ==========================================
   Checkbox & Switch Components
   ========================================== */
.switch-track {
    height: 1.5rem;
    width: 2.75rem;
    border-radius: var(--radius-full);
    background-color: var(--color-slate-200);
    transition: background-color var(--transition-base);
}

.switch-track:has(:checked) {
    background-color: var(--color-info);
}

.switch-thumb {
    position: absolute;
    left: 0.25rem;
    top: 0.25rem;
    height: 1rem;
    width: 1rem;
    border-radius: var(--radius-full);
    background-color: white;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.switch-track:has(:checked) .switch-thumb {
    transform: translateX(1.25rem);
}

/* ==========================================
   Table Components
   ========================================== */
.table-wrapper {
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-slate-200);
    background: white;
    box-shadow: var(--shadow-sm);
}

.table-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-slate-100);
    background: var(--color-slate-50);
}

.table-base {
    width: 100%;
    font-size: var(--font-size-sm);
}

.table-base thead {
    background: var(--color-slate-50);
    color: var(--color-slate-600);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-base th,
.table-base td {
    padding: 0.75rem 1rem;
    text-align: left;
}

.table-base tbody tr {
    border-bottom: 1px solid var(--color-slate-100);
    transition: background-color var(--transition-fast);
}

.table-base tbody tr:hover {
    background-color: var(--color-slate-50);
}

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

/* ==========================================
   Additional Button Variants
   ========================================== */
.btn--warning {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: #0f172a;
}

.btn--warning:hover {
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
}

.btn--ghost {
    background: transparent;
    color: var(--color-slate-600);
    padding: 0.5rem 1rem;
}

.btn--ghost:hover {
    background: var(--color-slate-100);
    color: var(--color-slate-900);
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn--icon {
    padding: 0.5rem;
    border-radius: var(--radius-lg);
}

/* ==========================================
   Link Styles
   ========================================== */
.link {
    color: var(--color-info);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.link:hover {
    color: var(--color-info-dark);
    text-decoration: underline;
}

/* ==========================================
   Responsive Utilities
   ========================================== */
@media (max-width: 768px) {
    .action-card {
        margin-bottom: 1rem;
    }

    .table-header {
        flex-direction: column;
        align-items: stretch;
    }
}