/* =====================================================================
   EDUCONTROL · Sistema visual "iOS Glass"
   Glassmorphism ligero, tipografía tipo SF Pro, blur, bordes suaves.
   Este archivo es ADITIVO: no modifica clases de Bootstrap, las refina.
   ===================================================================== */

:root {
    --ios-bg-1: #eef2f9;
    --ios-bg-2: #e4ecf7;
    --ios-blue: #0a84ff;
    --ios-blue-dark: #0060df;
    --ios-green: #30d158;
    --ios-red: #ff453a;
    --ios-orange: #ff9f0a;
    --ios-yellow: #ffd60a;
    --ios-gray: #8e8e93;
    --ios-ink: #1c1c1e;
    --ios-glass-bg: rgba(255, 255, 255, 0.55);
    --ios-glass-bg-strong: rgba(255, 255, 255, 0.72);
    --ios-glass-border: rgba(255, 255, 255, 0.6);
    --ios-glass-shadow: 0 8px 32px rgba(31, 41, 55, 0.10);
    --ios-radius-lg: 22px;
    --ios-radius-md: 16px;
    --ios-radius-sm: 12px;
    --ios-blur: 18px;
}

* { -webkit-font-smoothing: antialiased; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
                 "Segoe UI", Roboto, Helvetica, Arial, sans-serif !important;
    background: radial-gradient(circle at 15% 0%, var(--ios-bg-2), var(--ios-bg-1) 60%) fixed !important;
    color: var(--ios-ink);
}

/* ---------- Superficies de vidrio ---------- */
.ios-glass,
.card,
.list-group-item,
.card-resultado,
.faltas-container,
.login-card,
.upload-card,
.table-container,
.card-header:not(.bg-dark):not(.bg-primary) {
    background: var(--ios-glass-bg) !important;
    backdrop-filter: blur(var(--ios-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--ios-blur)) saturate(160%);
    border: 1px solid var(--ios-glass-border) !important;
    box-shadow: var(--ios-glass-shadow) !important;
}

.card, .ios-glass, .table-container, .upload-card, .login-card, .faltas-container {
    border-radius: var(--ios-radius-lg) !important;
    overflow: hidden;
}

.list-group-item, .card-resultado {
    border-radius: var(--ios-radius-md) !important;
}

/* Cabeceras oscuras/primarias */
.card-header.bg-dark, .navbar.bg-dark, .sidebar {
    background: rgba(28, 28, 30, 0.72) !important;
    backdrop-filter: blur(var(--ios-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--ios-blur)) saturate(160%);
}

.card-header.bg-primary, .header-app {
    background: rgba(10, 132, 255, 0.14) !important;
    backdrop-filter: blur(var(--ios-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--ios-blur)) saturate(160%);
    border-bottom: 1px solid var(--ios-glass-border) !important;
}

/* ---------- Botones estilo iOS ---------- */
.btn {
    border-radius: 980px !important;
    font-weight: 600;
    letter-spacing: 0.1px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.96); }

.btn-primary, .btn-cargar {
    background: linear-gradient(180deg, var(--ios-blue), var(--ios-blue-dark)) !important;
    border: none !important;
    box-shadow: 0 6px 16px rgba(10, 132, 255, 0.35);
}
.btn-success { background: linear-gradient(180deg, #34d976, #24b358) !important; border: none !important; }
.btn-danger  { background: linear-gradient(180deg, #ff6961, #ff453a) !important; border: none !important; }
.btn-warning { background: linear-gradient(180deg, #ffd60a, #ff9f0a) !important; border: none !important; color: #1c1c1e !important; }
.btn-dark    { background: rgba(28,28,30,0.9) !important; border: none !important; }

.btn-outline-light, .btn-outline-primary, .btn-outline-secondary, .btn-outline-danger {
    backdrop-filter: blur(6px);
    border-width: 1.5px !important;
}

.btn-sm.rounded-pill, .rounded-pill { border-radius: 980px !important; }

/* ---------- Inputs / formularios ---------- */
.form-control, .form-select, .input-group-text {
    border-radius: var(--ios-radius-sm) !important;
    border: 1px solid rgba(0,0,0,0.08) !important;
    background: rgba(255,255,255,0.75) !important;
    backdrop-filter: blur(8px);
}
.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.18) !important;
    border-color: var(--ios-blue) !important;
}

/* ---------- Badges ---------- */
.badge { border-radius: 980px !important; font-weight: 600; letter-spacing: 0.2px; }

/* ---------- Navbar / Sidebar ---------- */
.navbar-brand { letter-spacing: 0.2px; }

.nav-link-custom.active, .nav-link-custom:hover {
    backdrop-filter: blur(10px);
}

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--ios-radius-md) !important;
    border: 1px solid var(--ios-glass-border) !important;
    backdrop-filter: blur(var(--ios-blur));
    -webkit-backdrop-filter: blur(var(--ios-blur));
}

/* ---------- Scroll suave ---------- */
html { scroll-behavior: smooth; }

/* ---------- Tablas ---------- */
.table { background: transparent !important; }
.table thead.table-light th {
    background: rgba(255,255,255,0.5) !important;
    backdrop-filter: blur(10px);
}
.table-hover tbody tr:hover { background: rgba(10,132,255,0.06) !important; }

/* ---------- Accesibilidad ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--ios-blue);
    outline-offset: 2px;
}

/* ---------- Animación ---------- */
@media (prefers-reduced-motion: no-preference) {
    .card, .ios-glass, .table-container, .upload-card, .login-card, .faltas-container {
        animation: ios-fade-up 0.35s ease both;
    }
}
@keyframes ios-fade-up {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Chip de permisos ---------- */
.permiso-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 980px;
    background: rgba(10,132,255,0.12);
    border: 1px solid rgba(10,132,255,0.25);
    color: var(--ios-blue-dark);
    font-size: 0.82rem;
    font-weight: 600;
}
.permiso-chip.inactivo {
    background: rgba(142,142,147,0.12);
    border-color: rgba(142,142,147,0.25);
    color: var(--ios-gray);
}

/* =====================================================================
   RESPONSIVE - MÓVILES Y TABLETS
   ===================================================================== */

@media (max-width: 992px) {
    body {
        display: block !important;
    }

    .sidebar {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        padding: 15px !important;
    }

    .content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 15px !important;
    }

    .nav-link-custom {
        padding: 12px 14px !important;
        font-size: 0.95rem;
    }

    .table-responsive {
        font-size: 0.88rem;
    }

    .table td, .table th {
        padding: 0.55rem 0.4rem !important;
        vertical-align: middle;
    }

    .btn-sm {
        padding: 0.3rem 0.55rem !important;
        font-size: 0.78rem !important;
    }

    .card {
        border-radius: 16px !important;
    }

    .form-control, .form-select {
        font-size: 16px !important; /* Evita zoom automático en iOS */
    }
}

@media (max-width: 768px) {
    .sidebar .text-center h3 {
        font-size: 1.35rem !important;
    }

    .btn .bi {
        margin-right: 2px !important;
    }

    /* Convertir filas de tabla en tarjetas */
    .table thead {
        display: none;
    }

    .table tbody tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid rgba(0,0,0,0.08);
        border-radius: 14px;
        padding: 12px;
        background: rgba(255,255,255,0.75);
        box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }

    .table tbody td {
        display: block;
        text-align: left !important;
        border: none !important;
        padding: 4px 0 !important;
    }

    .table tbody td:before {
        content: attr(data-label);
        font-weight: 600;
        display: inline-block;
        min-width: 90px;
        color: #666;
        font-size: 0.8rem;
    }

    .text-nowrap {
        white-space: normal !important;
    }

    .text-nowrap .btn {
        margin: 3px 2px !important;
    }

    .p-3.bg-dark {
        padding: 12px 15px !important;
    }

    .p-3.bg-dark h5 {
        font-size: 1rem !important;
    }
}

@media (max-width: 576px) {
    .content {
        padding: 12px 10px !important;
    }

    .badge {
        font-size: 0.7rem !important;
    }

    .btn {
        font-size: 0.82rem !important;
    }

    .row.g-3 > [class*="col-"] {
        margin-bottom: 0.5rem;
    }
}