/* =====================================================================
   Capa visual estilo Apple / macOS (se carga DESPUES de app.css y solo
   redefine variables y pieles; no cambia estructura ni comportamiento).
   Para volver al diseno anterior basta con quitar el <link> a apple.css
   en layout.html y LoginResource/login.html.
   ===================================================================== */

:root {
    --md-primary: #0071e3;
    --md-primary-dark: #0066cc;
    --md-primary-light: #dbeafe;
    --md-accent: #af52de;

    --md-surface: #ffffff;
    --md-background: #f5f5f7;
    --md-text-primary: #1d1d1f;
    --md-text-secondary: #6e6e73;
    --md-text-disabled: #aeaeb2;
    --md-divider: rgba(0, 0, 0, .08);

    --md-radius: 10px;
    --md-radius-lg: 18px;

    --md-elevation-1: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 16px rgba(0, 0, 0, .05);
    --md-elevation-2: 0 4px 12px rgba(0, 0, 0, .08), 0 16px 40px rgba(0, 0, 0, .10);
    --md-elevation-4: 0 8px 24px rgba(0, 0, 0, .12), 0 24px 56px rgba(0, 0, 0, .14);

    --ap-red: #ff3b30;
    --ap-red-text: #d70015;
    --ap-green-text: #1f8a3b;
    --ap-orange-text: #b25000;
    --ap-ease: cubic-bezier(.25, .1, .25, 1);
}

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--md-background);
    color: var(--md-text-primary);
    letter-spacing: -.005em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: rgba(0, 113, 227, .22); }

/* ---------- Sidebar: estilo "source list" de macOS (translucido) ---------- */

.md-sidenav {
    background: rgba(246, 246, 248, .82);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    backdrop-filter: saturate(180%) blur(24px);
    color: var(--md-text-primary);
    border-right: 1px solid var(--md-divider);
}

.md-sidenav-brand {
    color: var(--md-text-primary);
    border-bottom: none;
    font-weight: 600;
    letter-spacing: -.01em;
    padding: 1.25rem 1.25rem .75rem;
}

.md-sidenav-brand i { color: var(--md-primary); }

.md-sidenav-menu { padding: .5rem 0; gap: 2px; }

.md-nav-item {
    color: var(--md-text-primary);
    margin: 0 .6rem;
    padding: .5rem .75rem;
    border-radius: 9px;
    font-weight: 500;
}

.md-nav-item i { color: var(--md-primary); }

.md-nav-item:hover { background: rgba(0, 0, 0, .05); color: var(--md-text-primary); }

.md-nav-item.active {
    background: rgba(0, 113, 227, .12);
    color: var(--md-primary);
    font-weight: 600;
    box-shadow: none;
}

.md-nav-item.disabled { opacity: .5; }
.md-nav-item.disabled:hover { background: transparent; color: var(--md-text-primary); }

.md-sidenav-collapse-btn {
    color: var(--md-text-secondary);
    border-top: 1px solid var(--md-divider);
    padding: .75rem 1.25rem;
}

.md-sidenav-collapse-btn:hover { background: rgba(0, 0, 0, .05); color: var(--md-text-primary); }

.md-sidenav-backdrop {
    background: rgba(0, 0, 0, .25);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

/* ---------- Header: vidrio esmerilado ---------- */

.md-app-header {
    background: rgba(255, 255, 255, .72);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--md-divider);
    box-shadow: none;
    padding-top: calc(.65rem + env(safe-area-inset-top, 0px));
    padding-bottom: .65rem;
}

.md-app-header-title {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -.015em;
}

.field-label {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .06em;
}

.md-user-avatar {
    background: linear-gradient(145deg, #3da0ff, #0071e3);
    box-shadow: 0 1px 3px rgba(0, 113, 227, .4);
    transition: transform .15s var(--ap-ease);
}

.md-user-avatar:hover { transform: scale(1.06); }

.md-user-dropdown {
    border-radius: 14px;
    border: 1px solid var(--md-divider);
    background: rgba(255, 255, 255, .92);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    box-shadow: var(--md-elevation-2);
    padding: .25rem;
}

.md-user-dropdown-name { border-bottom: 1px solid var(--md-divider); }

.md-user-dropdown-item { border-radius: 8px; }
.md-user-dropdown-item:hover:not(:disabled) { background: rgba(0, 113, 227, .1); color: var(--md-primary); }

/* ---------- Inputs / combo ---------- */

.md-combo-input {
    background: rgba(0, 0, 0, .05);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: .45rem .8rem;
    transition: background-color .15s, box-shadow .15s, border-color .15s;
}

.md-combo-input:hover { border-color: transparent; background: rgba(0, 0, 0, .07); }

.md-combo-input:focus {
    background: #fff;
    border-color: var(--md-primary);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, .2);
}

.md-combo-dropdown {
    border-radius: 12px;
    border: 1px solid var(--md-divider);
    box-shadow: var(--md-elevation-2);
    padding: .25rem;
}

.md-combo-option { border-radius: 8px; }
.md-combo-option:hover { background: rgba(0, 113, 227, .1); }

.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, .14);
    padding: .6rem .8rem;
    transition: box-shadow .15s, border-color .15s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, .2);
}

/* ---------- Cards ---------- */

.md-card {
    border-radius: var(--md-radius-lg);
    border: 1px solid rgba(0, 0, 0, .04);
    box-shadow: var(--md-elevation-1);
}

.md-card-header { padding: 1.1rem 1.4rem; }
.md-card-header h2 { font-size: 1.05rem; font-weight: 600; letter-spacing: -.015em; }
.md-card-header i { color: var(--md-primary); }

.table-context-bar { background: #fbfbfd; }

.selection-toolbar {
    background: rgba(0, 113, 227, .08);
    border-bottom: 1px solid rgba(0, 113, 227, .15);
}

.selection-toolbar-count { color: var(--md-primary); font-weight: 600; }

/* ---------- Tablas ---------- */

.md-table thead th {
    background: #fbfbfd;
    font-size: .68rem;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--md-divider);
    padding: .8rem 1rem;
}

.md-table thead tr.filter-row th {
    background: #fbfbfd;
    border-bottom: 1px solid var(--md-divider);
}

.md-table tbody td {
    border-bottom: 1px solid rgba(0, 0, 0, .05);
    padding: .65rem 1rem;
}

.md-table tbody tr:last-child td { border-bottom: none; }
.md-table tbody tr:hover { background: rgba(0, 113, 227, .04); }

.md-table tbody tr.row-status-success { background: rgba(52, 199, 89, .09); }
.md-table tbody tr.row-status-success:hover { background: rgba(52, 199, 89, .16); }
.md-table tbody tr.row-status-danger { background: rgba(255, 59, 48, .07); }
.md-table tbody tr.row-status-danger:hover { background: rgba(255, 59, 48, .13); }
.md-table tbody tr.row-status-info { background: rgba(0, 113, 227, .07); }
.md-table tbody tr.row-status-info:hover { background: rgba(0, 113, 227, .13); }

.filter-input {
    background: rgba(0, 0, 0, .05);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: .35rem .6rem;
    transition: background-color .15s, box-shadow .15s;
}

.filter-input:focus {
    background: #fff;
    border: 1px solid var(--md-primary);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, .2);
}

.detail-row td { background: #fbfbfd; }

input[type="checkbox"] { accent-color: var(--md-primary); }

/* ---------- Chips ---------- */

.chip { font-weight: 600; letter-spacing: .01em; }
.chip-success { background: rgba(52, 199, 89, .14); color: var(--ap-green-text); }
.chip-danger { background: rgba(255, 59, 48, .12); color: var(--ap-red-text); }
.chip-warning { background: rgba(255, 149, 0, .14); color: var(--ap-orange-text); }
.chip-info { background: rgba(0, 113, 227, .12); color: var(--md-primary-dark); }
.chip-neutral { background: rgba(120, 120, 128, .14); color: var(--md-text-secondary); }

/* ---------- Botones ---------- */

.icon-btn {
    border-radius: 10px;
    transition: background-color .15s, color .15s, transform .1s;
}

.icon-btn:hover:not(:disabled) { background: rgba(0, 0, 0, .06); }
.icon-btn:active:not(:disabled) { transform: scale(.94); }
.icon-btn-danger:not(:disabled) { color: var(--ap-red); }
.icon-btn-danger:hover:not(:disabled) { background: rgba(255, 59, 48, .1); }
.icon-btn-primary:hover:not(:disabled) { background: rgba(0, 113, 227, .1); }

.md-text-btn {
    border: none;
    background: rgba(0, 113, 227, .1);
    color: var(--md-primary);
    padding: .4rem .95rem;
    font-size: .75rem;
    transition: background-color .15s, transform .1s;
}

.md-text-btn:hover:not(:disabled) { background: rgba(0, 113, 227, .18); }
.md-text-btn:active:not(:disabled) { transform: scale(.97); }
.md-text-btn:disabled { opacity: .4; cursor: not-allowed; }

.md-text-btn-danger { border: none; background: rgba(255, 59, 48, .1); color: var(--ap-red-text); }
.md-text-btn-danger:hover:not(:disabled) { background: rgba(255, 59, 48, .18); }

.btn { border-radius: 10px; font-weight: 500; }

.btn-primary {
    --bs-btn-bg: #0071e3;
    --bs-btn-border-color: #0071e3;
    --bs-btn-hover-bg: #0077ed;
    --bs-btn-hover-border-color: #0077ed;
    --bs-btn-active-bg: #006edb;
    --bs-btn-active-border-color: #006edb;
    --bs-btn-disabled-bg: #0071e3;
    --bs-btn-disabled-border-color: #0071e3;
    border-radius: 12px;
    font-weight: 600;
    padding: .65rem 1rem;
}

/* ---------- Paginador ---------- */

.md-paginator { border-top: 1px solid var(--md-divider); background: #fbfbfd; }

/* ---------- Modales (Bootstrap) y SweetAlert2 ---------- */

.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: var(--md-elevation-4);
    overflow: hidden;
}

.modal-header, .modal-footer { border-color: var(--md-divider); }
.modal-title { font-weight: 600; letter-spacing: -.01em; }
.modal-backdrop.show { opacity: .3; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }

.swal2-popup {
    border-radius: 20px !important;
    font-family: inherit !important;
    box-shadow: var(--md-elevation-4) !important;
}

.swal2-title { font-weight: 600 !important; letter-spacing: -.015em; }
.swal2-styled { border-radius: 12px !important; font-weight: 600 !important; }

/* ---------- Panel de descargas ---------- */

.descargas-panel {
    border-radius: 18px;
    border: 1px solid var(--md-divider);
    background: rgba(255, 255, 255, .9);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
}

.descargas-panel-header { background: linear-gradient(145deg, #3da0ff, #0071e3); }

.descargas-burbuja {
    background: linear-gradient(145deg, #3da0ff, #0071e3);
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
}

.md-spinner, .md-spinner-sm { border-color: rgba(0, 113, 227, .18); border-top-color: var(--md-primary); }
.md-loading-overlay { background: rgba(255, 255, 255, .65); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }

/* ---------- Login ---------- */

.md-login-body {
    background:
        radial-gradient(1100px 600px at 15% -10%, #cfe3ff 0%, transparent 60%),
        radial-gradient(900px 520px at 100% 110%, #e4d8ff 0%, transparent 55%),
        #f5f5f7;
    padding: max(1rem, env(safe-area-inset-top, 0px)) 1rem max(1rem, env(safe-area-inset-bottom, 0px));
}

.md-login-card {
    background: rgba(255, 255, 255, .78);
    -webkit-backdrop-filter: saturate(180%) blur(28px);
    backdrop-filter: saturate(180%) blur(28px);
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: 24px;
    box-shadow: var(--md-elevation-2);
    padding: 2.25rem 2rem;
    width: 380px;
}

.md-login-brand {
    flex-direction: column;
    gap: .5rem;
    text-align: center;
    color: var(--md-text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -.02em;
    margin-bottom: 1.75rem;
}

.md-login-brand i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    font-size: 1.9rem;
    color: #fff;
    background: linear-gradient(145deg, #3da0ff, #0071e3);
    box-shadow: 0 6px 18px rgba(0, 113, 227, .35);
}

/* ---------- Si el navegador no soporta backdrop-filter ---------- */

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .md-sidenav { background: #f6f6f8; }
    .md-app-header { background: #ffffff; }
    .md-user-dropdown, .descargas-panel, .md-login-card { background: #ffffff; }
}

/* ---------- Menu colapsable ---------- */

/* La hamburguesa del header ahora tambien se ve en escritorio (colapsa el menu). */
#btn-toggle-sidenav { display: inline-flex; }

.md-sidenav { transition: width .25s var(--ap-ease), transform .25s var(--ap-ease); }
.md-sidenav.is-collapsed { width: 72px; }
.md-sidenav.is-collapsed .md-sidenav-brand { padding-left: 0; padding-right: 0; }
.md-sidenav.is-collapsed .md-nav-item { margin: 0 .55rem; }

/* En pantallas angostas el menu es un cajon: ignorar la preferencia "colapsado". */
@media (max-width: 991.98px) {
    .md-sidenav.is-collapsed { width: min(300px, 82vw); overflow-x: visible; }
    .md-sidenav.is-collapsed .md-nav-label { display: inline; }
    .md-sidenav.is-collapsed .md-nav-item .chip { display: inline-block; }
    .md-sidenav.is-collapsed .md-sidenav-brand,
    .md-sidenav.is-collapsed .md-nav-item,
    .md-sidenav.is-collapsed .md-sidenav-collapse-btn {
        justify-content: flex-start;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .md-sidenav-collapse-btn { display: none; }
}

/* ---------- Responsive ---------- */

.page-shell { padding: clamp(.75rem, 2.5vw, 1.75rem) clamp(.75rem, 2.5vw, 1.75rem) 3rem; }

@media (max-width: 991.98px) {
    .md-sidenav {
        width: min(300px, 82vw);
        background: rgba(246, 246, 248, .94);
        box-shadow: var(--md-elevation-4);
        padding-top: env(safe-area-inset-top, 0px);
    }
    .md-app-header { gap: .5rem; }
}

@media (max-width: 768px) {
    .md-card { border-radius: 16px; margin-bottom: 1rem; }
    .md-card-header { padding: .9rem 1rem; }
    .md-table-wrap { -webkit-overflow-scrolling: touch; }
    .md-table thead th, .md-table tbody td { padding: .55rem .7rem; }

    /* 16px evita el zoom automatico de iOS al enfocar un input */
    .md-combo-input, .filter-input, .form-control, .form-select { font-size: 16px; }

    #buscar-recibo { width: 100%; flex-wrap: wrap; }
    #buscar-recibo-criterio { flex: 1 1 100%; }
    #buscar-recibo-valor { flex: 1 1 0; width: auto !important; min-width: 0; }

    .icon-btn { width: 38px; height: 38px; }
    .md-text-btn { padding: .5rem 1rem; }
    .selection-toolbar { flex-wrap: wrap; }
    .md-login-card { padding: 1.75rem 1.4rem; }
}

@media (max-width: 480px) {
    .field-label { display: none; }
    .md-paginator { gap: .1rem; padding: .6rem .5rem; }
    .md-paginator .page-info { min-width: 0; margin: 0 .25rem; }
    .descargas-panel { left: .75rem; right: .75rem; width: auto; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}