:root {
    /* Paleta Bethprof */
    --color-primary:     #2A2929;  /* Carbón — títulos y texto */
    --color-primary-dark:#0F0F0F;  /* Negro profundo — sidebar, fondos oscuros */
    --color-accent:      #FFD000;  /* Amarillo secundario — botones, highlights */
    --color-accent-dark: #E5BC00;  /* Hover del amarillo */
    --color-warning:     #FFD000;
    --color-pink:        #FFD000;  /* Compat — donde antes era magenta/pink */
    --color-cyan:        #39DDE3;
    --color-teal:        #2D9396;
    --color-dark:        #0F0F0F;  /* Sidebar */
    --color-light:       #f5f5f5;
    --color-white:       #FFFFFF;
    --color-muted:       #6c757d;
    --color-border:      #e0e0e0;
    --color-success:     #28a745;
    --color-danger:      #c0392b;
    --gradient-brand:    linear-gradient(135deg, #0F0F0F 0%, #2A2929 100%);
    --gradient-accent:   linear-gradient(135deg, #FFD000 0%, #FFE552 100%);
    --border-radius:     16px;
    --border-radius-sm:  8px;
    --border-radius-lg:  24px;
    --shadow-soft:       0 8px 24px rgba(0,0,0,0.08);
    --shadow-hover:      0 12px 32px rgba(255,208,0,0.25);
    --font-family:       'Poppins', system-ui, -apple-system, sans-serif;
    --sidebar-width:     240px;
    --sidebar-collapsed: 64px;
    --header-height:     64px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body.app-body {
    font-family: var(--font-family);
    background: var(--color-light);
    color: var(--color-dark);
    margin: 0;
    font-size: 15px;
}

/* ---------- Shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.2s ease;
}
.app-shell.sidebar-collapsed .app-main { margin-left: var(--sidebar-collapsed); }
.app-shell.sidebar-collapsed .app-sidebar { width: var(--sidebar-collapsed); }
.app-shell.sidebar-collapsed .brand-text,
.app-shell.sidebar-collapsed .sidebar-section,
.app-shell.sidebar-collapsed .sidebar-nav span,
.app-shell.sidebar-collapsed .sidebar-nav .badge { display: none; }
.app-shell.sidebar-collapsed .sidebar-brand { justify-content: center; }
.app-shell.sidebar-collapsed .sidebar-nav a { justify-content: center; }

/* ---------- Sidebar ---------- */
.app-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-dark); color: #fff;
    display: flex; flex-direction: column;
    box-shadow: 0 0 24px rgba(0,0,0,0.1);
    z-index: 1030;
    transition: width 0.2s ease;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand i { font-size: 1.4rem; color: var(--color-accent); }
.brand-title { display: block; font-weight: 600; }
.brand-sub { display: block; font-size: 11px; opacity: 0.7; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar-nav li.sidebar-section {
    padding: 14px 20px 4px; font-size: 11px; text-transform: uppercase;
    letter-spacing: 0.05em; opacity: 0.5;
}
.sidebar-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 20px; color: rgba(255,255,255,0.85);
    text-decoration: none; transition: background 0.15s, color 0.15s;
    font-size: 14px;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav li.active a {
    background: var(--color-accent); color: var(--color-primary-dark); font-weight: 600;
    border-left: 3px solid var(--color-accent-dark);
}
.sidebar-nav li.active a:hover { background: var(--color-accent-dark); color: var(--color-primary-dark); }
.sidebar-nav li.disabled a { opacity: 0.45; pointer-events: none; }
.sidebar-nav i { font-size: 1.1rem; min-width: 1.2rem; text-align: center; }

/* ---------- Header ---------- */
.app-header {
    position: sticky; top: 0; z-index: 1020;
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 0 20px;
    display: flex; align-items: center; gap: 16px;
}
.btn-toggle-sidebar {
    background: transparent; border: 0;
    font-size: 1.4rem; color: var(--color-dark);
}
.header-search {
    flex: 1; max-width: 600px;
    display: flex; align-items: center; gap: 8px;
    background: var(--color-light); border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 4px 14px;
}
.header-search i { color: var(--color-muted); }
.header-search input {
    border: 0; background: transparent; flex: 1;
    padding: 6px 4px; outline: none;
}
.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.header-pill {
    background: var(--color-light); padding: 4px 12px;
    border-radius: 999px; font-size: 13px; color: var(--color-muted);
}

/* ---------- Content ---------- */
.app-content { flex: 1; padding: 24px; max-width: 1400px; width: 100%; margin: 0 auto; }
.app-footer {
    padding: 16px 24px; text-align: center; color: var(--color-muted);
    border-top: 1px solid var(--color-border); background: #fff;
}

.page-header { margin-bottom: 1.5rem; }
.page-title { font-size: 1.5rem; font-weight: 600; color: var(--color-primary); margin: 0; }
.page-subtitle { color: var(--color-muted); margin: 4px 0 0; font-size: 14px; }

/* ---------- Tarjetas / KPIs ---------- */
.form-section {
    background: #fff;
    border: 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    padding: 20px;
}
.section-title { color: var(--color-primary); margin-bottom: 16px; font-weight: 600; font-size: 1.05rem; }

.kpi-row .kpi-card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    padding: 16px 18px;
    display: flex; align-items: center; gap: 14px;
    height: 100%;
    transition: transform 0.15s, box-shadow 0.15s;
}
.kpi-row .kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.kpi-icon { font-size: 2rem; }
.kpi-value { font-size: 1.8rem; font-weight: 700; line-height: 1; }
.kpi-label { font-size: 12px; text-transform: uppercase; color: var(--color-muted); letter-spacing: 0.04em; margin-top: 4px; }

/* ---------- Botones marca ---------- */
.btn-primary-brand {
    background: var(--color-accent);
    color: var(--color-primary-dark); border: 0;
    padding: 8px 18px; border-radius: 12px;
    font-weight: 600; transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
}
.btn-primary-brand:hover { color: var(--color-primary-dark); background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-primary-brand:focus { box-shadow: 0 0 0 3px rgba(255,208,0,0.35); color: var(--color-primary-dark); }

/* ---------- Forms ---------- */
.form-label { font-weight: 500; font-size: 13px; }
.form-control:focus, .form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 0.15rem rgba(255,208,0,0.25);
}
.preview-thumb {
    max-width: 120px; max-height: 80px; border-radius: 8px; border: 1px solid var(--color-border);
    object-fit: contain; padding: 4px; background: #fff;
}

/* ---------- Tablas DataTables override ---------- */
table.dataTable thead th { background: var(--color-light) !important; color: var(--color-primary); }
.dataTables_wrapper .dataTables_filter input { border-radius: 8px; padding: 4px 10px; border: 1px solid var(--color-border); }
.dataTables_wrapper .dataTables_length select { border-radius: 8px; padding: 4px 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .app-shell { padding-left: 0; }
    .app-main { margin-left: 0; }
    .app-sidebar { transform: translateX(-100%); transition: transform 0.2s; }
    .app-shell.sidebar-open .app-sidebar { transform: translateX(0); }
}

@media (max-width: 768px) {
    .app-content { padding: 16px; }
    .page-title { font-size: 1.25rem; }
    .header-search { display: none; }
    .kpi-value { font-size: 1.5rem; }
}

/* ---------- Búsqueda global ---------- */
.global-search-dropdown {
    position: absolute; top: calc(100% + 8px); left: 0; right: 0;
    background: #fff; border-radius: var(--border-radius);
    box-shadow: 0 12px 32px rgba(0,0,0,0.18);
    max-height: 420px; overflow-y: auto;
    display: none; z-index: 1100;
}
.global-search-dropdown.open { display: block; }
.gs-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; text-decoration: none;
    color: var(--color-dark); border-bottom: 1px solid var(--color-light);
    transition: background 0.1s;
}
.gs-item:last-child { border-bottom: 0; }
.gs-item:hover, .gs-item.active { background: rgba(255,208,0,0.10); color: var(--color-primary); }
.gs-icon { font-size: 1.2rem; color: var(--color-primary); min-width: 24px; }
.gs-text { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.gs-title { font-weight: 500; font-size: 14px; }
.gs-sub { color: var(--color-muted); font-size: 12px; }
.gs-badge {
    font-size: 10px; padding: 2px 8px; border-radius: 999px;
    background: var(--color-light); color: var(--color-muted);
    text-transform: uppercase; letter-spacing: 0.04em;
}
.gs-empty, .gs-loading {
    padding: 16px; text-align: center; color: var(--color-muted); font-size: 13px;
}

/* ---------- Configuración nav ---------- */
.config-nav .nav-link { color: var(--color-muted); }
.config-nav .nav-link.active { background: var(--gradient-brand); color: #fff; }

/* ---------- Ayuda contextual ---------- */
.help-fab {
    position: fixed; bottom: 28px; right: 28px;
    height: 52px;
    padding: 0 22px 0 18px;
    border-radius: 26px;
    background: var(--color-accent);
    color: var(--color-primary-dark); border: 0;
    font-size: 16px; font-weight: 600;
    display: inline-flex; align-items: center; gap: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
    z-index: 1040;
}
.help-fab i { font-size: 22px; line-height: 1; }
.help-fab:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.35); color: var(--color-primary-dark); background: var(--color-accent-dark); }
.help-fab:focus { outline: 0; box-shadow: 0 0 0 4px rgba(255,208,0,0.35); }
.help-fab-label { font-family: 'Poppins', sans-serif; }
@media (max-width: 768px) {
    .help-fab { bottom: 16px; right: 16px; height: 48px; padding: 0 16px; font-size: 14px; }
    .help-fab i { font-size: 18px; }
}

#modalAyuda .modal-header.bg-primary-brand { background: var(--gradient-brand) !important; }
.ayuda-lista li, .ayuda-flujo li { margin-bottom: 8px; line-height: 1.5; }
.ayuda-lista code, .ayuda-flujo code { background: var(--color-light); padding: 1px 6px; border-radius: 4px; font-size: 90%; }

.ayuda-glosario {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 8px;
}
.ayuda-glosario-item {
    background: var(--color-light); border-radius: 8px;
    padding: 10px 14px; display: flex; gap: 10px; align-items: flex-start;
    border-left: 3px solid var(--color-primary);
}
.ayuda-sigla {
    font-weight: 700; color: var(--color-primary); min-width: 50px;
    background: #fff; padding: 2px 8px; border-radius: 4px; text-align: center;
    font-family: 'Poppins', monospace; font-size: 13px;
}
.ayuda-desc { font-size: 13px; color: var(--color-dark); line-height: 1.4; }

kbd {
    background: #2b2b2b; color: #fff; padding: 2px 8px;
    border-radius: 4px; font-size: 11px; font-family: 'Poppins', monospace;
    border-bottom: 2px solid #000;
}

.toast-bienvenida {
    position: fixed; bottom: 100px; right: 24px;
    background: #fff; padding: 14px 18px;
    border-radius: var(--border-radius);
    box-shadow: 0 12px 32px rgba(0,0,0,0.18);
    border-left: 4px solid var(--color-warning);
    max-width: 340px; z-index: 1035;
    animation: toastIn 0.4s ease;
}
.toast-bienvenida.hide { animation: toastOut 0.5s ease forwards; }
@keyframes toastIn  { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes toastOut { to   { transform: translateY(20px); opacity: 0; } }

.help-banner {
    background: linear-gradient(135deg, rgba(255,208,0,0.15), rgba(42,41,41,0.04));
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    display: flex; align-items: flex-start; gap: 12px;
    font-size: 13px;
}
.help-banner i.bi { color: var(--color-primary); font-size: 1.4rem; flex-shrink: 0; }
.help-banner strong { color: var(--color-primary); }
.help-banner-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

.tooltip .tooltip-inner {
    background: var(--color-dark); font-size: 12px; padding: 6px 10px; border-radius: 6px;
    max-width: 260px; text-align: left; line-height: 1.4;
}
.tooltip.bs-tooltip-top    .tooltip-arrow::before { border-top-color: var(--color-dark); }
.tooltip.bs-tooltip-bottom .tooltip-arrow::before { border-bottom-color: var(--color-dark); }
.tooltip.bs-tooltip-start  .tooltip-arrow::before { border-left-color: var(--color-dark); }
.tooltip.bs-tooltip-end    .tooltip-arrow::before { border-right-color: var(--color-dark); }

.help-icon { color: var(--color-muted); cursor: help; font-size: 0.85em; margin-left: 4px; }
.help-icon:hover { color: var(--color-primary); }

/* ---------- Utilidades ---------- */
.text-primary-brand { color: var(--color-primary) !important; }
.bg-primary-brand   { background: var(--gradient-brand) !important; color: #fff; }