@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Tailwind UI inspired palette */
    --primary-color: #0f172a; /* Slate 900 for primary actions (elegant) */
    --primary-hover: #1e293b;
    --accent-color: #4f46e5; /* Indigo 600 for accents/links */
    --accent-hover: #4338ca;
    
    --bg-color: #f8fafc; /* Slate 50 - Very subtle off-white */
    --surface-color: #ffffff; /* Pure white for cards/sidebar */
    
    --text-main: #0f172a; /* Slate 900 */
    --text-secondary: #475569; /* Slate 600 */
    --text-muted: #94a3b8; /* Slate 400 */
    
    --border-color: #e2e8f0; /* Slate 200 */
    --border-light: #f1f5f9; /* Slate 100 */
    
    --success: #059669; /* Emerald 600 */
    --success-bg: #d1fae5;
    --warning: #d97706; /* Amber 600 */
    --warning-bg: #fef3c7;
    --danger: #dc2626; /* Red 600 */
    --danger-bg: #fee2e2;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 1rem; /* 16px default for better readability on mobile */
    line-height: 1.5;
    overflow-y: scroll;
}

@media (min-width: 768px) {
    body {
        font-size: 0.875rem; /* 14px default for that sleek SaaS look on desktop */
    }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.025em; /* Tighter tracking for headings */
    color: var(--text-main);
}

/* Sidebar Styles (Elegant Dark/Gold) */
.sidebar {
    background: #000000; /* Pure Black */
    border-right: 1px solid #222222;
    transition: all 0.3s ease;
    height: 100vh;
    position: sticky;
    top: 0;
    align-self: flex-start; /* Prevents flex-stretch breaking sticky */
    overflow-y: auto;
    z-index: 1000;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
    background-color: #333333;
    border-radius: 4px;
}

.sidebar h4 {
    font-weight: 700;
    letter-spacing: -0.05em;
    color: #ffffff !important;
}

.sidebar a {
    color: #ffffff !important; /* White text */
    font-weight: 500;
    padding: 0.6rem 1rem;
    border-radius: 0.375rem; /* 6px */
    margin-bottom: 0.25rem;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    text-decoration: none !important; /* Remove underline */
}

.sidebar a i {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7); /* Slightly dimmed icon */
    transition: color 0.15s ease;
}

.sidebar a:hover {
    background: #1a1a1a !important; /* Dark gray on hover */
}

.sidebar a:hover i {
    color: #ffffff;
}

.sidebar a.active {
    color: #000000 !important; /* Black text for contrast */
    background: #d4af37 !important; /* Elegant Gold */
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(212, 175, 55, 0.2);
}

.sidebar a.active i {
    color: #000000; /* Black icon */
}

/* Mobile & Tablet Sidebar Specifics */
@media (max-width: 991.98px) {
    .sidebar a {
        font-size: 1.1rem; /* Much larger touch targets on mobile */
        padding: 0.8rem 1.2rem;
        margin-bottom: 0.5rem;
    }
    .sidebar a i {
        font-size: 1.3rem;
    }
    
    /* Prevenir que estilos de escritorio rompan el offcanvas */
    .offcanvas-body.sidebar {
        height: auto !important;
        position: relative !important;
        border-right: none !important;
        overflow-y: visible !important;
    }
}

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

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem; /* 12px */
    background-color: var(--surface-color);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); /* Very subtle shadow */
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 1.25rem;
}

.card-header h5, .card-header .card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all 0.15s ease;
    letter-spacing: 0.01em;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

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

.btn-outline-secondary {
    color: var(--text-main);
    border-color: #d1d5db; /* Gray 300 */
    background-color: #ffffff;
}

.btn-outline-secondary:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
    color: var(--text-main);
}

/* Tables */
.table {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.table th {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    background-color: #f8fafc;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

/* Mobile Table Optimizations */
@media (max-width: 767.98px) {
    .table th {
        padding: 0.3rem 0.25rem;
        font-size: 0.6rem;
    }
    .table td {
        padding: 0.4rem 0.25rem;
        font-size: 0.7rem;
    }
    .table .btn-sm {
        padding: 0.15rem 0.3rem;
        font-size: 0.65rem;
    }
    .badge {
        padding: 0.15rem 0.3rem;
        font-size: 0.6rem;
    }
}


/* Badges */
.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 9999px; /* Pill shape */
    font-weight: 500;
    font-size: 0.75rem;
}

.bg-success { background-color: var(--success-bg) !important; color: var(--success) !important; border: 1px solid rgba(5, 150, 105, 0.2); }
.bg-warning { background-color: var(--warning-bg) !important; color: var(--warning) !important; border: 1px solid rgba(217, 119, 6, 0.2); }
.bg-danger { background-color: var(--danger-bg) !important; color: var(--danger) !important; border: 1px solid rgba(220, 38, 38, 0.2); }
.bg-primary { background-color: #eef2ff !important; color: var(--accent-color) !important; border: 1px solid rgba(79, 70, 229, 0.2); }

/* Inputs & Forms */
.form-label {
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.form-control, .form-select {
    border-radius: 0.375rem;
    border: 1px solid #d1d5db;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-main);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

/* Dashboard Stat Cards Custom overrides for elegant look */
.card.bg-primary, .card.bg-success, .card.bg-warning, .card.bg-danger {
    background: var(--surface-color) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
}

.card.bg-primary .card-title, .card.bg-success .card-title, .card.bg-warning .card-title, .card.bg-danger .card-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card.bg-primary h2, .card.bg-success h2, .card.bg-warning h2, .card.bg-danger h2 {
    color: var(--text-main) !important;
    font-weight: 700;
}

/* specific text colors for the big numbers */
.card.bg-primary h2 { color: var(--primary-color) !important; }
.card.bg-success h2 { color: var(--success) !important; }
.card.bg-warning h2 { color: var(--warning) !important; }
.card.bg-danger h2 { color: var(--danger) !important; }

/* =========================================
   ANIMACIONES, SKELETONS Y MICRO-UX
   ========================================= */

/* Transición suave para todos los modales y componentes clave */
.modal.fade .modal-dialog {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease-out;
}

/* Efecto Hover Premium en Tarjetas Generales */
.card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:not(.stat-card):hover {
    box-shadow: 0 4px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -4px rgba(0,0,0,0.05) !important;
}

/* Fade-in Suave al cargar la página (Eliminado por preferencia del usuario) */

/* Skeleton Loaders */
.skeleton {
    background: #e2e8f0;
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite linear;
    border-radius: 4px;
}
.skeleton-text {
    height: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
}
.skeleton-title {
    height: 1.5rem;
    width: 50%;
    margin-bottom: 1rem;
}
.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

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

/* Mejoras en Botones (Click animation) */
.btn:active {
    transform: scale(0.97);
}