/* Tema moderno: capa de retoque visual sobre AdminLTE/Bootstrap.
   Se carga DESPUÉS de app.css y solo sobrescribe aspecto (sin tocar HTML). */

:root {
    --brand: var(--primary, #0d0c85);
    --brand-hover: color-mix(in srgb, var(--brand) 82%, #000);
    --brand-soft: color-mix(in srgb, var(--brand) 9%, #fff);
    --bg: #f5f6fa;
    --surface: #ffffff;
    --border: #e6e8f0;
    --text: #1e2338;
    --muted: #6b7280;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
    --shadow-md: 0 4px 16px rgba(16, 24, 40, .07);
    --bs-body-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body,
h1, h2, h3, h4, h5, h6,
.btn, .form-control, .form-select, .nav-link, .table {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-size: .925rem;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -.01em; }

.content-wrapper,
.content,
.content .container-fluid { background-color: var(--bg); }

/* Navbar */
.main-header.navbar {
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--border);
    box-shadow: none;
}

/* Sidebar */
.main-sidebar.sidebar-light-primary {
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    box-shadow: none;
}
.sidebar-light-primary .brand-link {
    border-bottom: 1px solid var(--border);
    padding: .9rem 1rem;
}
.sidebar-light-primary .nav-sidebar > .nav-item { margin-bottom: 2px; }
.sidebar-light-primary .nav-sidebar > .nav-item > .nav-link {
    color: #475066;
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin: 0 .5rem;
    padding: .55rem .75rem;
    transition: background-color .15s, color .15s;
}
.sidebar-light-primary .nav-sidebar > .nav-item > .nav-link:hover {
    background-color: #f1f2f8;
    color: var(--brand);
}
.sidebar-light-primary .nav-sidebar > .nav-item > .nav-link.active {
    background-color: var(--brand-soft);
    color: var(--brand);
    font-weight: 600;
    box-shadow: none;
}
.nav-sidebar .nav-icon { opacity: .85; }

/* Tarjetas */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    padding: .9rem 1.1rem;
}
.card-title { font-weight: 600; }
.section-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid var(--border);
}

/* KPIs / accesos rápidos */
.kpi-mini, .quick-action {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .15s, transform .15s, border-color .15s;
}
.kpi-mini:hover, .quick-action:hover {
    background: var(--surface);
    border-color: #cfd3e6;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Botones */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    box-shadow: none;
}
.btn-primary { background-color: var(--brand); border-color: var(--brand); }
.btn-primary:hover, .btn-primary:focus { background-color: var(--brand-hover); border-color: var(--brand-hover); }
.btn-outline-secondary { border-color: var(--border); color: #475066; }

/* Formularios */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid #d8dbe7;
    background-color: #fff;
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--brand) 14%, transparent);
}
.form-label { font-weight: 500; font-size: .85rem; }

/* Tablas */
.table { --bs-table-bg: transparent; }
.table > :not(caption) > * > * { padding: .7rem .85rem; border-bottom-color: var(--border); }
.table thead th {
    background-color: #f8f9fc;
    color: var(--muted);
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border);
}
.table-striped > tbody > tr:nth-of-type(odd) > * { --bs-table-accent-bg: transparent; background-color: transparent; }
.table-hover > tbody > tr:hover > * { background-color: #f6f7fc; }

/* DataTables */
.dataTables_wrapper .dataTables_filter input,
.dt-container .dt-search input,
.dt-container .dt-length select {
    border-radius: var(--radius-sm);
    border: 1px solid #d8dbe7;
    padding: .3rem .6rem;
}
.page-link { border-radius: var(--radius-sm); margin: 0 2px; border-color: var(--border); color: var(--brand); }
.page-item.active .page-link { background-color: var(--brand); border-color: var(--brand); color: #fff; }

/* Badges */
.badge { border-radius: 999px; font-weight: 500; padding: .38em .7em; }

/* Alertas y modales */
.alert { border-radius: var(--radius); border-width: 1px; box-shadow: none; }
.modal-content { border: 0; border-radius: var(--radius); box-shadow: 0 20px 50px rgba(16, 24, 40, .2); }
.modal-header { border-bottom: 1px solid var(--border); }
.modal-footer { border-top: 1px solid var(--border); }

.main-footer { background: transparent; border-top: 1px solid var(--border); color: var(--muted); }

/* Login */
body.login-page { background: linear-gradient(135deg, var(--brand-soft) 0%, #f5f6fa 60%); }
.login-box .card, .login-card-body { border-radius: var(--radius); box-shadow: var(--shadow-md); }

/* ── Móvil ─────────────────────────────────────────────── */
@media (max-width: 767.98px) {
    /* Bandejas: una sola fila con scroll horizontal (sin amontonarse) */
    .card-header > .nav-pills {
        flex: 0 0 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: .35rem;
        margin: 0 -.25rem;
        padding: 0 .25rem .35rem;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
        /* difuminado en los bordes para indicar que hay más */
        mask-image: linear-gradient(to right, transparent 0, #000 .5rem, #000 calc(100% - 1.25rem), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0, #000 .5rem, #000 calc(100% - 1.25rem), transparent 100%);
    }
    .card-header > .nav-pills::-webkit-scrollbar { display: none; }
    .card-header > .nav-pills .nav-item { flex: 0 0 auto; }
    .card-header > .nav-pills .nav-link {
        white-space: nowrap;
        padding: .4rem .8rem;
        font-size: .85rem;
        border: 1px solid var(--border);
        background: var(--surface);
        color: #475066;
        border-radius: 999px;
    }
    .card-header > .nav-pills .nav-link.active {
        background: var(--brand);
        border-color: var(--brand);
        color: #fff;
    }

    /* Filtro y botón de acción: debajo, a todo el ancho */
    .card-header > .form-select.w-auto { flex: 1 1 0; width: auto !important; min-width: 0; }
    .card-header > .btn { flex: 0 0 auto; white-space: nowrap; }

    .content .container-fluid { padding-left: .75rem; padding-right: .75rem; }
    .card-body { padding: .85rem; }
    .btn-group.w-100 { flex-wrap: wrap; }
}

/* ── Tablas en móvil ───────────────────────────────────── */
.dataTables_wrapper, .table-responsive { max-width: 100%; }
@media (max-width: 767.98px) {
    /* Red de seguridad: cualquier tabla ancha hace scroll en vez de romper la página */
    .dataTables_wrapper { overflow-x: auto; }

    /* Filas como tarjetas (tablas etiquetadas por JS en layout.php) */
    table.table-stack, table.table-stack tbody, table.table-stack tr, table.table-stack td { display: block; width: 100% !important; }
    table.table-stack thead { display: none; }
    table.table-stack tbody tr {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        box-shadow: var(--shadow-sm);
        margin-bottom: .75rem;
        padding: .35rem .85rem;
    }
    table.table-stack > tbody > tr > td {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        gap: 1rem;
        padding: .45rem 0;
        border: 0;
        border-bottom: 1px dashed var(--border);
        text-align: right;
        background: transparent !important;
    }
    table.table-stack > tbody > tr > td:last-child { border-bottom: 0; }
    table.table-stack > tbody > tr > td::before {
        content: attr(data-label);
        flex: 0 0 38%;
        text-align: left;
        color: var(--muted);
        font-size: .72rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: .04em;
    }
    table.table-stack > tbody > tr > td[data-label=""]::before { display: none; }
    table.table-stack > tbody > tr > td[data-label=""] { justify-content: flex-end; }
    table.table-stack > tbody > tr > td.dataTables_empty { display: block; text-align: center; }
    table.table-stack > tbody > tr > td.dataTables_empty::before { display: none; }

    /* Controles de DataTables (buscador, longitud, paginación) apilados */
    .dataTables_wrapper .row > div { width: 100%; text-align: left; }
    .dataTables_wrapper .dataTables_filter, .dataTables_wrapper .dataTables_length { margin-bottom: .5rem; }
    .dataTables_wrapper .dataTables_filter input { width: 100%; margin-left: 0; }
    .dataTables_wrapper .dataTables_paginate { margin-top: .5rem; }
    .dataTables_wrapper .pagination { flex-wrap: wrap; justify-content: center; }
}

/* ── Botones en móvil: más compactos y con separación ──── */
@media (max-width: 767.98px) {
    .card-body .btn:not(.btn-sm):not(.btn-lg):not(.btn-tool):not(.btn-close),
    .card-footer .btn:not(.btn-sm):not(.btn-tool) {
        padding: .4rem .85rem;
        font-size: .85rem;
        line-height: 1.35;
    }
    .card-body .btn-sm, .card-footer .btn-sm, .card-header .btn-sm {
        padding: .3rem .65rem;
        font-size: .8rem;
    }
    .btn i.me-1 { margin-right: .35rem !important; }

    /* Los márgenes ms-1/ms-2 de los botones sueltos se sustituyen por separación uniforme (también al saltar de línea) */
    .card-body .btn.ms-1, .card-body .btn.ms-2,
    .card-footer .btn.ms-1, .card-footer .btn.ms-2 { margin-left: 0 !important; }
    .card-body form .btn:not(.w-100):not(.btn-close),
    .card-footer .btn:not(.w-100):not(.btn-close) {
        margin: 0 .4rem .5rem 0;
    }
    .card-body form .btn.w-100 + .btn.w-100,
    .card-body form .btn.w-100 { margin-bottom: .5rem; }

    /* Iconos de acción en tablas/tarjetas: objetivo táctil cómodo pero sin ocupar de más */
    table.table-stack .btn-sm { padding: .3rem .6rem; margin: 0 0 0 .35rem; }
}

/* ── Pestañas (nav-tabs) en móvil: una fila con scroll horizontal ── */
@media (max-width: 767.98px) {
    .nav-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .nav-tabs::-webkit-scrollbar { display: none; }
    .nav-tabs .nav-item { flex: 0 0 auto; }
    .nav-tabs .nav-link { white-space: nowrap; padding: .5rem .8rem; font-size: .85rem; }
}