/* ==========================================================================
   BILFT Portal - Design System Theme
   Loaded AFTER Bootstrap 5.3, BEFORE app.css
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */

:root {
    /* Surfaces */
    --bilft-midnight: #0C0E1A;
    --bilft-surface: #161829;
    --bilft-surface-hover: #1E2140;
    --bilft-surface-alt: #252842;
    --bilft-border: rgba(255, 255, 255, 0.06);
    --bilft-border-hover: rgba(255, 255, 255, 0.12);

    /* Primary */
    --bilft-blue: #2563EB;
    --bilft-blue-hover: #1D4FD7;
    --bilft-blue-light: #60A5FA;
    --bilft-blue-glow: rgba(37, 99, 235, 0.15);

    /* Semantic */
    --bilft-green: #10B981;
    --bilft-green-hover: #059669;
    --bilft-amber: #F59E0B;
    --bilft-red: #EF4444;
    --bilft-purple: #8B5CF6;

    /* Text */
    --bilft-text: #F1F5F9;
    --bilft-text-secondary: #A8B8CF;
    --bilft-text-muted: #7088A4;

    /* Spacing / Radii */
    --bilft-radius-sm: 6px;
    --bilft-radius-md: 10px;
    --bilft-radius-lg: 14px;
    --bilft-radius-xl: 20px;

    /* Transitions */
    --bilft-transition: 0.15s ease;
    --bilft-transition-slow: 0.25s ease;

    /* Shadows */
    --bilft-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --bilft-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --bilft-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
}

/* --------------------------------------------------------------------------
   Global Resets
   -------------------------------------------------------------------------- */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    background-color: var(--bilft-midnight);
    color: var(--bilft-text);
}

/* Override Bootstrap text utilities for dark theme visibility */
.text-muted {
    color: var(--bilft-text-secondary) !important;
}

.form-label {
    color: var(--bilft-text-secondary);
}

.form-text, small.text-muted {
    color: var(--bilft-text-muted) !important;
}

::selection {
    background-color: var(--bilft-blue);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bilft-surface) 25%,
        var(--bilft-surface-hover) 50%,
        var(--bilft-surface) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--bilft-radius-md);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Buttons
   -------------------------------------------------------------------------- */

.btn-primary {
    background-color: var(--bilft-blue);
    border-color: var(--bilft-blue);
    border-radius: var(--bilft-radius-sm);
    transition: all var(--bilft-transition);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--bilft-blue-hover);
    border-color: var(--bilft-blue-hover);
    box-shadow: 0 0 0 4px var(--bilft-blue-glow);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--bilft-text);
    border-radius: var(--bilft-radius-sm);
    transition: all var(--bilft-transition);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline-secondary {
    border-color: var(--bilft-border-hover);
    color: var(--bilft-text-secondary);
    border-radius: var(--bilft-radius-sm);
    transition: all var(--bilft-transition);
}

.btn-outline-secondary:hover {
    background-color: var(--bilft-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--bilft-text);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Forms
   -------------------------------------------------------------------------- */

.form-control,
.form-select {
    background-color: var(--bilft-surface);
    border: 1px solid var(--bilft-border);
    color: var(--bilft-text);
    border-radius: var(--bilft-radius-sm);
    transition: border-color var(--bilft-transition), box-shadow var(--bilft-transition);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bilft-surface);
    border-color: var(--bilft-blue);
    color: var(--bilft-text);
    box-shadow: 0 0 0 3px var(--bilft-blue-glow);
}

.form-control::placeholder {
    color: var(--bilft-text-muted);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Cards
   -------------------------------------------------------------------------- */

.card {
    background-color: var(--bilft-surface);
    border: 1px solid var(--bilft-border);
    border-radius: var(--bilft-radius-lg);
    box-shadow: none;
    color: var(--bilft-text);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--bilft-border);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Tables
   -------------------------------------------------------------------------- */

.table {
    --bs-table-bg: var(--bilft-surface);
    --bs-table-color: var(--bilft-text);
    --bs-table-border-color: var(--bilft-border);
    font-variant-numeric: tabular-nums;
}

.table > thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.table > thead > tr > th {
    background-color: var(--bilft-surface-alt);
    color: var(--bilft-text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--bilft-border-hover);
}

.table > tbody > tr {
    transition: background-color var(--bilft-transition);
}

.table > tbody > tr:hover {
    --bs-table-bg-state: var(--bilft-surface-hover);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Badges
   -------------------------------------------------------------------------- */

.badge {
    border-radius: var(--bilft-radius-sm);
    font-weight: 500;
}

.badge.bg-primary   { background-color: rgba(37, 99, 235, 0.2)  !important; color: var(--bilft-blue-light); }
.badge.bg-success   { background-color: rgba(16, 185, 129, 0.2) !important; color: var(--bilft-green); }
.badge.bg-warning   { background-color: rgba(245, 158, 11, 0.2) !important; color: var(--bilft-amber); }
.badge.bg-danger    { background-color: rgba(239, 68, 68, 0.2)  !important; color: var(--bilft-red); }
.badge.bg-secondary { background-color: rgba(148, 163, 184, 0.12) !important; color: var(--bilft-text-secondary); }

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Alerts
   -------------------------------------------------------------------------- */

.alert {
    border-radius: var(--bilft-radius-md);
    border: 1px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.25);
    color: var(--bilft-green);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.25);
    color: var(--bilft-amber);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
    color: var(--bilft-red);
}

.alert-info {
    background-color: rgba(96, 165, 250, 0.1);
    border-color: rgba(96, 165, 250, 0.25);
    color: var(--bilft-blue-light);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Navbar
   -------------------------------------------------------------------------- */

.navbar {
    background-color: var(--bilft-surface) !important;
    border-bottom: 1px solid var(--bilft-border);
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides - Modal
   -------------------------------------------------------------------------- */

.modal-content {
    background-color: var(--bilft-surface);
    border: 1px solid var(--bilft-border-hover);
    border-radius: var(--bilft-radius-lg);
    color: var(--bilft-text);
}

.modal-header {
    border-bottom-color: var(--bilft-border);
}

.modal-footer {
    border-top-color: var(--bilft-border);
}

/* --------------------------------------------------------------------------
   Scrollbar (Webkit)
   -------------------------------------------------------------------------- */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

.text-gradient {
    background: linear-gradient(135deg, var(--bilft-blue-light), var(--bilft-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-blue {
    box-shadow: 0 0 0 4px var(--bilft-blue-glow);
}

.surface-card {
    background-color: var(--bilft-surface);
    border: 1px solid var(--bilft-border);
    border-radius: var(--bilft-radius-lg);
    padding: 1.25rem;
}