/* enhance.css — capa aditiva del sistema de diseño Cerebro.
   Solo selectores NUEVOS: no altera el render de páginas existentes.
   Los módulos migran progresivamente a estas clases + macros _macros/ui.html. */

:root {
    /* superficies y bordes extra */
    --surface-3: #202026;
    --border-strong: #2e2e36;
    /* color de datos/enlaces, alineado con el acento índigo */
    --blue: #818cf8;
    /* fondos semánticos suaves sobre dark */
    --accent-soft: rgba(99,102,241,0.14);
    --green-soft: rgba(63,185,80,0.14);
    --red-soft: rgba(248,81,73,0.14);
    --yellow-soft: rgba(210,153,34,0.16);
    --blue-soft: rgba(99,102,241,0.14);
    /* tipografía */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;
    --fs-xs: 0.7rem; --fs-sm: 0.8rem; --fs-base: 0.9rem;
    --fs-md: 1rem; --fs-lg: 1.15rem; --fs-xl: 1.5rem;
    /* espaciado (escala 4px) */
    --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px;
    /* radios y sombras */
    --radius-lg: 16px;
    --shadow-1: 0 1px 2px rgba(0,0,0,.4);
    --shadow-2: 0 6px 20px rgba(0,0,0,.45);
    --shadow-3: 0 16px 48px rgba(0,0,0,.55);
    /* transiciones */
    --t-fast: 0.12s ease; --t-base: 0.2s ease;
    /* paleta charts coherente (dark, ancla índigo) */
    --chart-1: #818cf8; --chart-2: #34d399; --chart-3: #fbbf24;
    --chart-4: #f87171; --chart-5: #22d3ee; --chart-6: #e879f9;
    --chart-grid: rgba(var(--fg-rgb),0.06); --chart-label: #8b8b96;
    /* focus accesible */
    --focus-ring: 0 0 0 2px rgba(129,140,248,0.60);
}
:root[data-theme="light"] {
    --surface-3: #e8e8ee;
    --border-strong: #d0d0da;
    --blue: #4338ca;
    --accent-soft: rgba(91,95,230,0.12);
    --green-soft: rgba(26,127,55,0.12);
    --red-soft: rgba(198,40,40,0.10);
    --yellow-soft: rgba(154,103,0,0.14);
    --blue-soft: rgba(91,95,230,0.12);
    --shadow-1: 0 1px 2px rgba(0,0,0,.06);
    --shadow-2: 0 6px 20px rgba(0,0,0,.08);
    --shadow-3: 0 16px 48px rgba(0,0,0,.12);
    --chart-1: #4f46e5; --chart-2: #059669; --chart-3: #b45309;
    --chart-4: #dc2626; --chart-5: #0e7490; --chart-6: #a21caf;
    --chart-grid: rgba(0,0,0,0.08); --chart-label: #676773;
    --focus-ring: 0 0 0 2px rgba(79,70,229,0.45);
}
:root[data-theme="light"] .badge--success { color: #047857; }
:root[data-theme="light"] .badge--danger  { color: #b91c1c; }
:root[data-theme="light"] .badge--warning { color: #b45309; }
:root[data-theme="light"] .badge--info    { color: #1d4ed8; }

/* ── Accesibilidad: foco visible solo en navegación por teclado ── */
a:focus-visible, button:focus-visible, .btn:focus-visible,
.btn-action:focus-visible, .btn-ghost:focus-visible, .tab-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-xs);
}

/* ── Toasts (notificaciones JS, mismo look que los flash del servidor) ── */
.toast-container {
    position: fixed; top: 14px; right: 14px; z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
    max-width: min(360px, calc(100vw - 28px));
}
.toast {
    background: var(--surface2); color: var(--text);
    border: 1px solid var(--border-strong); border-left: 3px solid var(--muted);
    border-radius: var(--radius-sm); padding: 11px 16px;
    font-size: var(--fs-sm); font-weight: 500; box-shadow: var(--shadow-2);
    animation: flashIn 0.25s ease; display: flex; gap: 10px; align-items: flex-start;
}
.toast--success { border-left-color: var(--green); }
.toast--error   { border-left-color: var(--red); }
.toast--info    { border-left-color: var(--blue); }
.toast--warning { border-left-color: var(--yellow); }
.toast.closing  { opacity: 0; transform: translateX(12px);
                  transition: opacity .25s ease, transform .25s ease; }

/* ── Skeleton loaders + estado de carga ── */
/* Shimmer por transform (fase 7): una franja en ::after cruza la pieza; no repinta el fondo
   en cada fotograma como hacía background-position. */
@keyframes skeletonShimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton {
    position: relative; overflow: hidden;
    background: var(--surface2);
    border-radius: var(--radius-sm);
}
.skeleton::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(var(--fg-rgb),.07), transparent);
    transform: translateX(-100%);
    animation: skeletonShimmer 1.4s ease infinite;
}
@media (prefers-reduced-motion: reduce) { .skeleton::after { animation: none; display: none; } }
.skeleton--text  { height: 0.8em; margin: 6px 0; }
.skeleton--title { height: 1.4em; width: 40%; margin-bottom: 12px; }
.skeleton--chart { height: 200px; width: 100%; }
.skeleton--card  { height: 90px; width: 100%; margin-bottom: 10px; }
.is-loading { position: relative; pointer-events: none; opacity: 0.65; }
.is-loading::after {
    content: ''; position: absolute; top: 50%; left: 50%;
    width: 16px; height: 16px; margin: -8px 0 0 -8px;
    border: 2px solid rgba(var(--fg-rgb),.25); border-top-color: var(--text);
    border-radius: 50%; animation: spin .6s linear infinite;
}

/* ── Tablas responsive (scroll horizontal + apilado en móvil) ── */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.data-table th {
    text-align: left; color: var(--muted); font-weight: 600;
    font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.5px;
    padding: 8px 12px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--surface2); }
.data-table--dense th, .data-table--dense td { padding: 6px 10px; }
@media (max-width: 600px) {
    .table--stack thead { display: none; }
    .table--stack tr {
        display: block; border: 1px solid var(--border);
        border-radius: var(--radius-sm); margin-bottom: 10px; padding: 6px 12px;
    }
    .table--stack td {
        display: flex; justify-content: space-between; gap: 12px;
        border: none; padding: 6px 0; text-align: right;
    }
    .table--stack td::before {
        content: attr(data-label); color: var(--muted); font-size: var(--fs-xs);
        text-transform: uppercase; letter-spacing: 0.5px; text-align: left; font-weight: 600;
    }
}

/* ── Empty state ── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }
.empty-state-icon { font-size: 2.4rem; opacity: 0.55; margin-bottom: 10px; }
.empty-state-title { font-size: var(--fs-md); font-weight: 600; color: var(--text); margin-bottom: 4px; }
.empty-state-sub { font-size: var(--fs-sm); margin-bottom: 14px; }

/* ── KPI / stat card (overview financiero, etc.) ── */
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.kpi:hover { border-color: var(--border-hover); box-shadow: var(--hover-glow); }
.kpi-label { font-size: var(--fs-xs); color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 1.5rem; font-weight: 700; color: var(--text-strong); margin-top: 4px; line-height: 1.1; }
.kpi-delta { font-size: var(--fs-xs); margin-top: 4px; font-weight: 600; color: var(--muted); }
.kpi-delta.up { color: var(--green); }
.kpi-delta.down { color: var(--red); }

/* ── Variantes semánticas de badge (la base .badge ya existe en theme.css) ── */
.badge--success { background: var(--green-soft); color: var(--green); }
.badge--danger  { background: var(--red-soft); color: var(--red); }
.badge--warning { background: var(--yellow-soft); color: var(--yellow); }
.badge--info    { background: var(--blue-soft); color: var(--blue); }
.badge--neutral { background: var(--surface-3); color: var(--muted); }

/* ── Modificadores de botón (componen con .btn / .btn-action existentes) ── */
.btn--sm    { padding: 5px 12px; font-size: var(--fs-xs); }
.btn--block { display: block; width: 100%; text-align: center; }
.btn--icon  { display: inline-flex; align-items: center; gap: 6px; }

/* ── Utilidades ── */
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; } .justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; } .flex-1 { flex: 1; } .flex-shrink-0 { flex-shrink: 0; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); }
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mb-1 { margin-bottom: var(--sp-1); } .mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--sp-3); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.text-muted { color: var(--muted); } .text-sm { font-size: var(--fs-sm); } .text-xs { font-size: var(--fs-xs); }
.text-right { text-align: right; } .text-center { text-align: center; }
.w-full { width: 100%; } .mono { font-family: var(--font-mono); }
.hide-mobile {} .only-mobile { display: none; }
@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
    .only-mobile { display: revert !important; }
    .grid-2 { grid-template-columns: 1fr; }
}