:root {
    color-scheme: dark;
    --bg-dark: #121212;
    --bg-panel: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #aaa;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --border: #333;
    --hover-bg: #2a2a2a;
    --input-bg: #121212;
    --input-text: white;
    --th-bg: #2a2a2a;
    --tr-hover: #252525;
    --card-bg: #1a1a1a;
    --selected-row-bg: rgba(59, 130, 246, 0.25);
}
body.light-mode {
    color-scheme: light;
    --bg-dark: #f3f4f6;
    --bg-panel: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --hover-bg: #f3f4f6;
    --input-bg: #ffffff;
    --input-text: #1f2937;
    --th-bg: #f9fafb;
    --tr-hover: #f9fafb;
    --card-bg: #ffffff;
    --selected-row-bg: rgba(59, 130, 246, 0.15);
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-main); display: flex; height: 100vh; overflow: hidden; }

/* ── SCROLLBAR (Adaptable al tema) ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ── SIDEBAR ── */
.sidebar { width: 250px; background: var(--bg-panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden; white-space: nowrap; }
.sidebar.collapsed { width: 70px; }

.logo-container { display: flex; align-items: center; border-bottom: 1px solid var(--border); height: 65px; width: 250px; }
.toggle-btn { background: none; border: none; color: var(--text-main); font-size: 1.4rem; width: 70px; height: 100%; cursor: pointer; transition: 0.2s; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.toggle-btn:hover { color: var(--primary); background: var(--hover-bg); }

.logo { font-size: 1.5rem; font-weight: bold; color: var(--primary); cursor: pointer; transition: 0.2s; height: 100%; display: flex; align-items: center; flex: 1; padding-right: 15px; border: none; }
.logo:hover { opacity: 0.8; }

.nav-btn { background: none; border: none; color: var(--text-main); width: 250px; height: 56px; padding: 0; text-align: left; cursor: pointer; font-size: 1rem; transition: background 0.2s, border-left-color 0.2s; border-bottom: 1px solid var(--border); border-left: 4px solid transparent; display: flex; align-items: center; }
.nav-btn:hover { background: var(--hover-bg); }
.nav-btn.active { background: var(--hover-bg); border-left-color: var(--primary); }
.nav-icon { position: relative; width: 66px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: color 0.2s; }
.nav-btn:hover .nav-icon, .nav-btn.active .nav-icon { color: var(--primary); }
.nav-text { transition: opacity 0.2s; }
.sidebar.collapsed .nav-text { opacity: 0; }
.alert-dot { position: absolute; top: 14px; right: 18px; width: 11px; height: 11px; border-radius: 50%; cursor: pointer; box-shadow: 0 0 0 2px var(--bg-panel); transition: transform 0.2s; z-index: 10; }
.nav-btn:hover .alert-dot, .nav-btn.active .alert-dot { box-shadow: 0 0 0 2px var(--hover-bg); }
.alert-dot:hover { transform: scale(1.4); }

/* ── CONTENIDO ── */
.main-content { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; }
.view-section { display: none; width: 100%; flex: 1; }
.view-section.active { display: flex; flex-direction: column; animation: fadeIn 0.3s ease; transition: opacity 0.3s ease; }
.view-section.active.refreshing { opacity: 0.3; pointer-events: none; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── CONTROLES ── */
.header-section { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.header-section h2 { font-weight: 500; font-size: 1.4rem; margin-right: auto; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

button.btn { background: var(--primary); color: white; border: none; padding: 9px 14px; border-radius: 5px; cursor: pointer; font-weight: 600; font-size: 0.9rem; transition: 0.2s; }
button.btn:hover { background: var(--primary-hover); }
button.btn-danger { background: var(--danger); }
button.btn-danger:hover { background: #dc2626; }
button.btn-success { background: var(--success); }
button.btn-success:hover { background: #059669; }
button.btn-warning { background: var(--warning); color: #111; }
button.btn-warning:hover { background: #d97706; }
button.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
button.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
button.btn-ghost:hover { background: var(--hover-bg); color: var(--text-main); }

/* ── TABLAS ── */
.table-wrap { overflow-x: auto; border-radius: 8px; }
table { width: 100%; border-collapse: collapse; background: var(--bg-panel); border-radius: 8px; overflow: hidden; min-width: 500px; }
th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--th-bg); font-weight: 600; text-transform: uppercase; font-size: 0.78rem; color: var(--text-muted); letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--tr-hover); }
td .btn-sm { margin-right: 4px; }

/* ── ENLACES TABLA ── */
.table-link { color: var(--primary); text-decoration: none; font-weight: 600; transition: color 0.2s ease; cursor: pointer; }
.table-link:hover { color: var(--primary-hover); }
.truncate { max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: middle; }

/* ── FILAS COLOREADAS ── */
tr.colored-row td { color: #111; border-bottom-color: rgba(0,0,0,0.1); }
tr.colored-row:hover td { background-color: rgba(0,0,0,0.05); }
tr.colored-row button.btn-ghost { border-color: rgba(0,0,0,0.2); color: #333; }
tr.colored-row button.btn-ghost:hover { background: rgba(0,0,0,0.1); color: #111; }

/* ── BADGE ACCION ── */
.badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.badge-add { background: rgba(16,185,129,.2); color: var(--success); }
.badge-del { background: rgba(239,68,68,.2); color: var(--danger); }

/* ── TABLAS SELECCIONABLES (ARRASTRE) ── */
.selectable-table { user-select: none; }
.selectable-table tr[data-id] { cursor: pointer; transition: background-color 0.1s; }
.selectable-table tr.selected-row td { background-color: var(--selected-row-bg) !important; color: inherit; }

/* ── MODALES ── */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.75); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg-panel); padding: 25px; border-radius: 10px; width: 420px; max-width: 95vw; border: 1px solid var(--border); }
.modal h3 { margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 10px; font-size: 1.1rem; }
.form-group { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 0.85rem; color: var(--text-muted); }
.form-group input,
.form-group select,
.form-group textarea { padding: 9px 12px; background: var(--input-bg); border: 1px solid var(--border); color: var(--input-text); border-radius: 5px; outline: none; font-size: 0.95rem; transition: border-color .2s; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group select option { background: var(--bg-panel); color: var(--text-main); }
.form-group textarea { resize: vertical; min-height: 70px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ── TOAST ── */
#toast { position: fixed; bottom: 24px; right: 24px; padding: 14px 22px; border-radius: 8px; display: none; font-weight: 600; font-size: 0.95rem; box-shadow: 0 6px 20px rgba(0,0,0,0.4); z-index: 9999; transition: opacity .3s; }
#toast.success { background: var(--success); color: #fff; }
#toast.error   { background: var(--danger);  color: #fff; }

/* ── ESTADO VACÍO ── */
.empty-state { text-align: center; padding: 50px 20px; color: #555; font-size: 1rem; }

/* ── SECCIÓN AUDITORIA ── */
.audit-block { margin-bottom: 35px; }
.audit-block h3 { color: var(--text-muted); font-size: 1rem; font-weight: 500; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--border); padding-bottom: 8px; }

/* ── SPINNER ── */
.loading { color: #555; padding: 20px; font-style: italic; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* ── FILTROS ── */
.form-control { padding: 9px 12px; background: var(--input-bg); border: 1px solid var(--border); color: var(--input-text); border-radius: 5px; outline: none; font-size: 0.95rem; flex: 1; min-width: 150px; transition: border-color .2s; }
.form-control:focus { border-color: var(--primary); }
.filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; flex-wrap: wrap; background: var(--card-bg); padding: 12px; border-radius: 8px; border: 1px solid var(--border);}

/* ── PAGINACIÓN ── */
.paginacion-container { text-align: center; margin-top: 15px; padding-bottom: 10px; }
.paginacion-btn { width: 100%; max-width: 400px; padding: 12px; font-weight: bold; border-style: dashed; }

/* ── COLOR PICKER ── */
.color-picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(28px, 1fr)); gap: 8px; margin-top: 5px; }
.color-swatch { width: 28px; height: 28px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: .2s; }
.color-swatch:hover { transform: scale(1.1); }
.color-swatch.selected { border-color: white; box-shadow: 0 0 0 2px var(--primary); }
.color-swatch.revert { background: linear-gradient(to top right, #444 48%, #f00 48%, #f00 52%, #444 52%); border: 1px solid #666; }

/* ── DROPDOWN ── */
.dropdown { position: relative; display: inline-block; }
.dropdown::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 10px; background: transparent; display: none; z-index: 998; }
.dropdown-btn { display: flex; justify-content: space-between; align-items: center; gap: 8px; cursor: pointer; }
.dropdown-content { display: none; position: absolute; background-color: var(--card-bg); min-width: 150px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5); z-index: 999; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; top: 100%; right: 0; margin-top: 5px; }
.dropdown-content a { color: var(--text-main); padding: 10px 16px; text-decoration: none; display: block; cursor: pointer; font-size: 0.9rem; border-bottom: 1px solid var(--border); text-align: left; }
.dropdown-content a:last-child { border-bottom: none; }
.dropdown-content a:hover { background-color: var(--hover-bg); color: var(--primary); }
.dropdown:hover .dropdown-content, .dropdown:hover::after { display: block; }

/* ── INPUTS DE FECHA Y HORA ── */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}
input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* ── DASHBOARD ── */
#dashboard.active { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow: hidden; gap: 12px; margin: 0; }
#dashboard .header-section { flex-shrink: 0; }
#dashboard-alertas { max-height: 16vh; overflow-y: auto; flex-shrink: 0; padding-right: 5px; margin-bottom: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 15px; flex-shrink: 0; margin-bottom: 0; }
.stat-card { background: var(--card-bg); padding: 15px; border-radius: 10px; border: 1px solid var(--border); text-align: center; transition: 0.2s; display: flex; flex-direction: column; justify-content: center; }
.stat-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 5px 15px rgba(0,0,0,0.15); }
.stat-card.clickable { cursor: pointer; }
.stat-card .value { font-size: 2.2rem; font-weight: bold; color: var(--primary); margin: 5px 0; line-height: 1; }
.stat-card .label { color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }

.dashboard-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 15px; flex: 1; min-height: 0; overflow: hidden; padding-bottom: 0; }
.chart-container, .recent-activity { background: var(--card-bg); padding: 15px; border-radius: 10px; border: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; overflow-y: auto; }
.chart-container { align-items: center; justify-content: center; overflow: hidden; }
.activity-item { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.activity-item:last-child { border-bottom: none; }
.activity-time { color: var(--primary); font-size: 0.8rem; margin-bottom: 4px; font-weight: 600; }
.theme-toggle { margin-top: auto; border-top: 1px solid var(--border); }

#icon-sun { display: none; }
body.light-mode #icon-sun { display: block; }
body.light-mode #icon-moon { display: none; }

/* ── CARRUSEL ADMIN ── */
.carousel-container { display: flex; align-items: center; justify-content: center; gap: 15px; position: relative; width: 100%; }
.carousel-btn { background: var(--card-bg); color: var(--primary); border: 2px solid var(--primary); border-radius: 50%; width: 45px; height: 45px; cursor: pointer; font-size: 1.4rem; flex-shrink: 0; display: flex; align-items: center; justify-content: center; transition: 0.2s; font-weight: bold;}
.carousel-btn:hover { background: var(--primary); color: white; }
.carousel-counter { margin-top: 10px; color: var(--text-muted); font-size: 0.9rem; font-weight: bold; }

/* Esconder flechas si no son necesarias */
.carousel-btn[disabled] { opacity: 0; pointer-events: none; }