/* ============================================================
   SAH Design System v2.0
   Navy #0F1B35 · Cyan #00C9D4 · Dos temas con misma identidad
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Variables modo claro ("Día SAH") ─────────────────────── */
:root {
    /* Brand */
    --sah-navy:        #0F1B35;
    --sah-navy-mid:    #1A2E50;
    --sah-cyan:        #00C9D4;
    --sah-cyan-soft:   rgba(0,201,212,0.12);
    --sah-cyan-glow:   rgba(0,201,212,0.25);
    --sah-blue:        #4F7CFF;

    /* Surface — azul-navy muy sutil, NO blanco puro */
    --bg:              #E8EEF8;
    --bg-card:         #F4F7FF;
    --bg-input:        #FFFFFF;
    --bg-hover:        #EBF0FC;

    /* Text */
    --text:            #0F1B35;
    --text-2:          #4A5D80;
    --text-3:          #8096BB;
    --text-invert:     #FFFFFF;

    /* Border — tintada en navy */
    --border:          #C8D5EE;
    --border-focus:    var(--sah-cyan);

    /* Sidebar */
    --nav-bg:          var(--sah-navy);
    --nav-text:        #A8BBDD;
    --nav-text-active: #FFFFFF;
    --nav-active-bg:   var(--sah-cyan-soft);
    --nav-label:       rgba(168,187,221,0.55);
    --nav-icon-active: var(--sah-cyan);

    /* Status — con tinte brand en light */
    --ok:              #059669;  --ok-bg:    #D1FAE5;  --ok-text:    #065F46;
    --warn:            #D97706;  --warn-bg:  #FEF3C7;  --warn-text:  #78350F;
    --error:           #DC2626;  --error-bg: #FEE2E2;  --error-text: #7F1D1D;
    --info:            #4F7CFF;  --info-bg:  #EEF2FF;  --info-text:  #3730A3;

    /* Shadows con tinte navy */
    --shadow-sm:   0 1px 4px rgba(15,27,53,0.10);
    --shadow-md:   0 4px 16px rgba(15,27,53,0.13);
    --shadow-lg:   0 8px 32px rgba(15,27,53,0.18);
    --shadow-cyan: 0 4px 20px rgba(0,201,212,0.25);

    /* Geometry */
    --r:    14px;
    --r-sm: 8px;
    --r-xs: 6px;

    /* Sidebar */
    --sidebar-w: 256px;

    /* Transitions */
    --t: 0.18s ease;
}

/* ── Modo oscuro ("Noche SAH") ────────────────────────────── */
[data-theme="dark"] {
    --bg:         #0B1120;
    --bg-card:    #111827;
    --bg-input:   #1A2540;
    --bg-hover:   #1E2D45;
    --text:       #E2EAFF;
    --text-2:     #7A90BB;
    --text-3:     #4A5F85;
    --border:     #1A2845;
    --nav-bg:     #070D1C;
    --ok-bg:   #064E3B; --ok-text:  #6EE7B7;
    --warn-bg: #78350F; --warn-text:#FCD34D;
    --error-bg:#7F1D1D; --error-text:#FCA5A5;
    --info-bg: #1E1B4B; --info-text:#A5B4FC;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: clamp(13px, 0.8vw + 5px, 17px);
    line-height: 1.55;
    transition: background var(--t), color var(--t);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--sah-blue); text-decoration: none; }
a:hover { color: var(--sah-cyan); }

code {
    background: var(--border);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: 'Cascadia Code', 'Fira Code', monospace;
}

/* ── Layout principal ─────────────────────────────────────── */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.barra-lateral {
    width: var(--sidebar-w);
    background: url('/static/img/wallpaper.webp') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    /* Sin overflow aquí: el wallpaper nunca se mueve */
    overflow: hidden;
    transition: width 0.26s cubic-bezier(0.4,0,0.2,1);
    border-right: 1px solid rgba(0,201,212,0.12);
    box-shadow: 4px 0 24px rgba(0,0,0,0.35);
    isolation: isolate;
}

/* Capa de vidrio esmerilado sobre el wallpaper — siempre estática */
.barra-lateral::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(4, 9, 22, 0.38);
    backdrop-filter: blur(12px) saturate(1.8);
    -webkit-backdrop-filter: blur(12px) saturate(1.8);
    z-index: 0;
    pointer-events: none;
}

/* Todo el contenido del sidebar por encima del glass */
.sidebar-logo,
.barra-lateral nav,
.sidebar-footer {
    position: relative;
    z-index: 1;
}

/* Solo el nav scrollea — logo y footer siempre visibles */
.barra-lateral nav {
    flex: 1;
    min-height: 0;           /* crítico: permite shrink en flex */
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,201,212,0.2) transparent;
}
.barra-lateral nav::-webkit-scrollbar { width: 2px; }
.barra-lateral nav::-webkit-scrollbar-track { background: transparent; }
.barra-lateral nav::-webkit-scrollbar-thumb {
    background: rgba(0,201,212,0.25);
    border-radius: 2px;
}
.barra-lateral nav::-webkit-scrollbar-thumb:hover { background: rgba(0,201,212,0.55); }


/* ── Sidebar collapse ─────────────────────────────────────── */
.barra-lateral.colapsada { width: 64px; }

/* Hover-expand controlado por JS (.sb-hover), NO por CSS :hover
   Esto evita que el hover re-expanda inmediatamente al hacer click en toggle */
.barra-lateral.colapsada.sb-hover {
    width: var(--sidebar-w);
    box-shadow: 4px 0 40px rgba(0,0,0,0.55);
    z-index: 50;
}

/* Transiciones suaves para textos */
.sidebar-logo-text,
.nav-seccion-label,
.usuario-info,
#dark-label,
.barra-lateral nav a span {
    transition: opacity 0.22s ease, max-width 0.28s ease;
    white-space: nowrap;
    overflow: hidden;
}
.enlace-salir {
    transition: opacity 0.2s ease, background var(--t), color var(--t);
}

/* Estado colapsado sin hover: solo iconos */
.barra-lateral.colapsada:not(.sb-hover) .sidebar-logo-text,
.barra-lateral.colapsada:not(.sb-hover) .nav-seccion-label,
.barra-lateral.colapsada:not(.sb-hover) .usuario-info,
.barra-lateral.colapsada:not(.sb-hover) #dark-label,
.barra-lateral.colapsada:not(.sb-hover) nav a span {
    opacity: 0;
    max-width: 0;
}
.barra-lateral.colapsada:not(.sb-hover) nav a {
    justify-content: center;
    padding: 0.7rem 0;
}
.barra-lateral.colapsada:not(.sb-hover) nav a.activo {
    padding-left: 0;
    border-left: none;
    background: rgba(0,201,212,0.18);
    border-radius: 10px;
}
/* Iconos más brillantes en estado colapsado */
.barra-lateral.colapsada:not(.sb-hover) nav a svg {
    opacity: 1;
    width: 20px;
    height: 20px;
}
.barra-lateral.colapsada:not(.sb-hover) nav a.activo svg {
    stroke: var(--sah-cyan);
    filter: drop-shadow(0 0 6px rgba(0,201,212,0.7));
}
.barra-lateral.colapsada:not(.sb-hover) .usuario-actual {
    justify-content: center;
    padding: 0.6rem;
}
.barra-lateral.colapsada:not(.sb-hover) .dark-toggle {
    justify-content: center;
    padding: 0.5rem 0;
}
.barra-lateral.colapsada:not(.sb-hover) .enlace-salir {
    opacity: 0;
    pointer-events: none;
}

/* Flecha del toggle rota al colapsar */
.barra-lateral.colapsada .sidebar-toggle svg { transform: rotate(180deg); }

/* Sidebar toggle button */
.sidebar-toggle {
    width: 26px; height: 26px;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    margin-left: auto;
    transition: background var(--t), transform 0.2s;
    color: var(--nav-text);
}
.sidebar-toggle:hover {
    background: rgba(0,201,212,0.15);
    color: var(--sah-cyan);
}
.sidebar-toggle svg {
    width: 14px; height: 14px;
    stroke: currentColor; fill: none;
    transition: transform 0.26s cubic-bezier(0.4,0,0.2,1);
}

/* Logo block */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo-icon {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    border-radius: 12px;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0,201,212,0.45));
}

.sidebar-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.sidebar-logo-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 0.04em;
}

.sidebar-logo-sub {
    font-size: 0.65rem;
    color: var(--nav-label);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: 1px;
}

/* Nav sections layout (flex/overflow declarados arriba con el bloque de scroll) */
.barra-lateral nav {
    padding: 0.75rem 0.75rem 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.nav-seccion-label {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--nav-label);
    padding: 1rem 0.5rem 0.35rem;
    display: block;
}

.barra-lateral nav a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--nav-text);
    padding: 0.6rem 0.75rem;
    border-radius: var(--r-sm);
    font-size: 0.875rem;
    font-weight: 450;
    transition: background var(--t), color var(--t);
    text-decoration: none;
    position: relative;
}

.barra-lateral nav a svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity var(--t), stroke var(--t);
    stroke: currentColor;
}

.barra-lateral nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #FFFFFF;
    text-decoration: none;
}
.barra-lateral nav a:hover svg { opacity: 1; }

.barra-lateral nav a.activo {
    background: var(--sah-cyan-soft);
    color: var(--nav-text-active);
    font-weight: 600;
    border-left: 3px solid var(--sah-cyan);
    padding-left: calc(0.75rem - 3px);
    box-shadow: inset 0 0 20px rgba(0,201,212,0.05);
}
.barra-lateral nav a.activo svg {
    opacity: 1;
    stroke: var(--sah-cyan);
    filter: drop-shadow(0 0 4px rgba(0,201,212,0.5));
}

/* Sidebar footer */
.sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: auto;
}

/* Dark mode toggle in sidebar */
.dark-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: var(--r-sm);
    cursor: pointer;
}
.dark-toggle span {
    font-size: 0.78rem;
    color: var(--nav-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.dark-toggle svg {
    width: 15px; height: 15px;
    stroke: var(--nav-text);
}

/* Toggle switch */
.toggle-switch {
    width: 34px; height: 18px;
    background: rgba(255,255,255,0.15);
    border-radius: 999px;
    position: relative;
    transition: background 0.2s;
    flex-shrink: 0;
}
.toggle-switch::after {
    content: '';
    position: absolute;
    width: 12px; height: 12px;
    background: white;
    border-radius: 50%;
    top: 3px; left: 3px;
    transition: transform 0.2s;
}
.dark-toggle.active .toggle-switch { background: var(--sah-cyan); }
.dark-toggle.active .toggle-switch::after { transform: translateX(16px); }

/* User card */
.usuario-actual {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--r-sm);
    background: rgba(255,255,255,0.05);
}

.usuario-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sah-cyan), var(--sah-blue));
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700; color: white;
    flex-shrink: 0;
}

.usuario-info { flex: 1; min-width: 0; }
.usuario-nombre {
    font-size: 0.78rem; font-weight: 600; color: #fff;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.usuario-rol {
    font-size: 0.62rem; color: var(--nav-label);
    text-transform: uppercase; letter-spacing: 0.05em;
}

.enlace-salir {
    display: flex; align-items: center; justify-content: center;
    width: 26px; height: 26px;
    border-radius: var(--r-xs);
    color: rgba(255,100,100,0.7);
    transition: background var(--t), color var(--t);
    flex-shrink: 0;
}
.enlace-salir:hover {
    background: rgba(239,68,68,0.15);
    color: #FCA5A5;
    text-decoration: none;
}
.enlace-salir svg { width: 15px; height: 15px; stroke: currentColor; }

/* ── Contenido principal ──────────────────────────────────── */
.contenido {
    flex: 1;
    padding: clamp(1rem, 2.5vw, 2.5rem) clamp(1rem, 3vw, 2.5rem);
    min-width: 0;
    overflow-x: hidden;
    transition: background var(--t);
    background: var(--bg);
}

/* Modo claro: gradiente sutil con identidad SAH */
[data-theme="light"] .contenido {
    background: linear-gradient(145deg, #E4ECF8 0%, #EAE8F5 50%, #E8F0FA 100%);
}

/* Modo oscuro: fondo sólido navy */
[data-theme="dark"] .contenido {
    background: var(--bg);
}

/* Page header */
.page-header {
    margin-bottom: 1.75rem;
}

h1 {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 1.75rem 0 0.75rem;
}

h3 { font-size: 0.95rem; font-weight: 600; margin: 0 0 0.4rem; }

.subtitulo {
    color: var(--text-2);
    font-size: 0.875rem;
    margin: 0.2rem 0 0;
}

/* ── Cards ────────────────────────────────────────────────── */
.tarjeta {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.1rem 1.25rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: background var(--t), border-color var(--t), box-shadow var(--t);
}

/* Tarjetas en modo claro: más definidas con sombra navy */
[data-theme="light"] .tarjeta {
    background: #FFFFFF;
    border: 1px solid #C8D5EE;
    box-shadow: 0 2px 8px rgba(15,27,53,0.08), 0 1px 2px rgba(15,27,53,0.05);
}

.tarjeta.ok        { background: var(--ok-bg);    color: var(--ok-text);    border-color: transparent; }
.tarjeta.advertencia { background: var(--warn-bg); color: var(--warn-text); border-color: transparent; }
.tarjeta.critico   { background: var(--error-bg); color: var(--error-text); border-color: transparent; }
.tarjeta.info      { background: var(--info-bg);  color: var(--info-text);  border-color: transparent; }

/* ── KPI Metric Cards ─────────────────────────────────────── */
.grid-metricas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 1rem;
    margin: 1rem 0 1.75rem;
}

.metrica {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.25rem 1.25rem 1.1rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--t), box-shadow var(--t), background var(--t);
    position: relative;
    overflow: hidden;
}

/* KPI cards en modo claro: blanco nítido con sombra navy visible */
[data-theme="light"] .metrica {
    background: #FFFFFF;
    border: 1px solid #C8D5EE;
    box-shadow: 0 2px 12px rgba(15,27,53,0.10), 0 1px 3px rgba(15,27,53,0.06);
}

.metrica::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: linear-gradient(to bottom, var(--sah-cyan), var(--sah-blue));
    border-radius: 3px 0 0 3px;
}

.metrica:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
[data-theme="light"] .metrica:hover {
    box-shadow: 0 8px 24px rgba(15,27,53,0.15);
}

.metrica .metrica-icono {
    width: 36px; height: 36px;
    border-radius: var(--r-sm);
    background: var(--sah-cyan-soft);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 0.85rem;
}
.metrica .metrica-icono svg {
    width: 18px; height: 18px;
    stroke: var(--sah-cyan);
}

.metrica .valor {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    line-height: 1;
}

.metrica .etiqueta {
    font-size: 0.78rem;
    color: var(--text-2);
    margin-top: 0.3rem;
    font-weight: 500;
}

/* ── Alerts ───────────────────────────────────────────────── */
.lista-alertas { display: flex; flex-direction: column; gap: 0.5rem; }

.alerta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: background var(--t);
}

[data-theme="light"] .alerta {
    background: #FFFFFF;
    border: 1px solid #C8D5EE;
    box-shadow: 0 1px 4px rgba(15,27,53,0.07);
}

.alerta .titulo { font-weight: 600; font-size: 0.9rem; }
.alerta .detalle { font-size: 0.82rem; color: var(--text-2); margin-top: 0.15rem; }

.etiqueta-severidad {
    font-size: 0.72rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}
.etiqueta-severidad.critico    { background: var(--error-bg); color: var(--error-text); }
.etiqueta-severidad.advertencia{ background: var(--warn-bg);  color: var(--warn-text);  }
.etiqueta-severidad.info       { background: var(--info-bg);  color: var(--info-text);  }
.etiqueta-severidad.ok         { background: var(--ok-bg);    color: var(--ok-text);    }

/* ── Buttons ──────────────────────────────────────────────── */
.boton {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, var(--sah-cyan) 0%, var(--sah-blue) 100%);
    color: #fff;
    border: none;
    padding: 0.55rem 1.2rem;
    border-radius: var(--r-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: opacity var(--t), transform var(--t), box-shadow var(--t);
    box-shadow: 0 2px 8px rgba(0,201,212,0.25);
    white-space: nowrap;
}
.boton:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: var(--shadow-cyan);
    color: #fff;
    text-decoration: none;
}
.boton:active { transform: translateY(0); opacity: 1; }

.boton.secundario {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
    box-shadow: none;
}
.boton.secundario:hover {
    border-color: var(--sah-cyan);
    color: var(--sah-cyan);
    box-shadow: none;
    background: var(--sah-cyan-soft);
}

.boton.exito {
    background: linear-gradient(135deg, #10B981, #059669);
    box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.boton.peligro {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    box-shadow: 0 2px 8px rgba(239,68,68,0.3);
}

.boton svg {
    width: 15px; height: 15px;
    stroke: currentColor; fill: none;
    flex-shrink: 0;
}

.fila-botones {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin: 0.75rem 0;
    align-items: center;
}

/* ── Forms & Inputs ───────────────────────────────────────── */
.campo { margin-bottom: 1rem; }

.campo label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.84rem;
    margin-bottom: 0.35rem;
    font-weight: 500;
    color: var(--text);
}

.campo input,
.campo select,
.campo textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background var(--t);
    outline: none;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
    border-color: var(--sah-cyan);
    box-shadow: 0 0 0 3px var(--sah-cyan-soft);
}

.campo textarea { resize: vertical; min-height: 4.5rem; }

.campo small {
    display: block;
    margin-top: 0.3rem;
    color: var(--text-2);
    font-size: 0.78rem;
}

.campo-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.campo-checkbox input { width: auto; accent-color: var(--sah-cyan); }
.campo-checkbox label { margin-bottom: 0; font-weight: 500; }

/* Form containers */
.formulario {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.5rem;
    max-width: 800px;
    box-shadow: var(--shadow-sm);
    transition: background var(--t);
}

.formulario h2 {
    margin-top: 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.6rem;
    margin-bottom: 1.25rem;
}

.formulario .fila-campos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.contenedor { max-width: 760px; margin: 0 auto; padding: 2rem; }

/* ── Search bar ───────────────────────────────────────────── */
.barra-busqueda {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    align-items: center;
}

.barra-busqueda input,
.barra-busqueda select {
    padding: 0.55rem 0.85rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text);
    outline: none;
    transition: border-color 0.15s ease, background var(--t);
}
.barra-busqueda input:focus,
.barra-busqueda select:focus { border-color: var(--sah-cyan); }
.barra-busqueda input[type="search"] { flex: 1; min-width: 200px; }

/* ── Tables ───────────────────────────────────────────────── */
table.tabla-datos {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
    transition: background var(--t);
}

table.tabla-datos th {
    background: var(--sah-navy);
    color: #fff;
    text-align: left;
    padding: 0.7rem 1rem;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

[data-theme="dark"] table.tabla-datos th {
    background: rgba(0,201,212,0.1);
    color: var(--sah-cyan);
    border-bottom: 1px solid var(--border);
}

table.tabla-datos td {
    padding: 0.65rem 1rem;
    border-top: 1px solid var(--border);
    color: var(--text);
    transition: background var(--t);
}

table.tabla-datos tbody tr:hover td {
    background: var(--bg-hover);
}

/* ── Horario grid ─────────────────────────────────────────── */
table.tabla-horario {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--r);
    overflow: hidden;
    font-size: 0.8rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

table.tabla-horario th,
table.tabla-horario td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.4rem;
    text-align: center;
    vertical-align: middle;
    min-width: 110px;
    transition: background var(--t);
}

table.tabla-horario th {
    background: var(--sah-navy);
    color: #fff;
    font-weight: 600;
    font-size: 0.78rem;
}
[data-theme="dark"] table.tabla-horario th {
    background: rgba(0,201,212,0.08);
    color: var(--sah-cyan);
}

table.tabla-horario td.receso {
    background: var(--bg-hover);
    color: var(--text-3);
    font-style: italic;
}
table.tabla-horario td.bloque { background: var(--info-bg); }
table.tabla-horario td.vacio  { color: var(--text-3); }

table.tabla-horario td.libre {
    background: var(--ok-bg);
    color: var(--ok-text);
    cursor: pointer;
    font-size: 0.77rem;
    font-weight: 500;
    transition: background 0.15s ease, transform 0.1s ease;
}
table.tabla-horario td.libre:hover {
    background: #A7F3D0;
    transform: scale(1.02);
}
table.tabla-horario td.libre.seleccionada {
    outline: 2px solid var(--sah-cyan);
    outline-offset: -2px;
    background: var(--sah-cyan-soft);
    color: var(--sah-cyan);
}
table.tabla-horario td.ocupado {
    background: var(--info-bg);
    font-size: 0.77rem;
    position: relative;
}
table.tabla-horario td.ocupado form { margin-top: 0.3rem; }
table.tabla-horario td.ocupado .boton-liberar {
    font-size: 0.68rem;
    padding: 0.15rem 0.5rem;
    background: var(--error-bg);
    color: var(--error-text);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-family: inherit;
    transition: opacity var(--t);
}
table.tabla-horario td.ocupado .boton-liberar:hover { opacity: 0.8; }

/* Horario panel layout */
.panel-horarios {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 900px) { .panel-horarios { grid-template-columns: 1fr; } }
.panel-horarios .formulario { position: sticky; top: 1rem; }

/* ── Report cards grid ────────────────────────────────────── */
.grid-tarjetas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.tarjeta-reporte {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.tarjeta-reporte:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.tarjeta-reporte h3 { margin: 0 0 0.4rem; }
.tarjeta-reporte p  { margin: 0 0 0.8rem; font-size: 0.84rem; color: var(--text-2); }

/* ── Tooltip de ayuda ─────────────────────────────────────── */
.ayuda-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: var(--border);
    color: var(--text-2);
    font-size: 0.68rem;
    font-weight: 700;
    margin-left: 0.4rem;
    cursor: help;
    vertical-align: middle;
    transition: background var(--t);
}
.ayuda-tooltip:hover { background: var(--sah-cyan-soft); color: var(--sah-cyan); }

.ayuda-tooltip .globo {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 140%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sah-navy);
    color: #fff;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 400;
    line-height: 1.4;
    padding: 0.6rem 0.8rem;
    border-radius: var(--r-sm);
    width: 230px;
    z-index: 20;
    transition: opacity 0.15s ease;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}
.ayuda-tooltip:hover .globo,
.ayuda-tooltip:focus .globo { visibility: visible; opacity: 1; }

/* ── Login ────────────────────────────────────────────────── */
.contenedor-login {
    min-height: 100vh;
    display: flex;
}

/* Left panel */
.login-panel-izq {
    flex: 1;
    background: linear-gradient(155deg, var(--sah-navy) 0%, #1A2E50 60%, #0D2040 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

/* Decorative background shapes */
.login-panel-izq::before {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,201,212,0.12) 0%, transparent 70%);
    top: -100px; right: -100px;
    pointer-events: none;
}
.login-panel-izq::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79,124,255,0.1) 0%, transparent 70%);
    bottom: -50px; left: -50px;
    pointer-events: none;
}

.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.login-logo-wrap {
    width: 80px; height: 80px;
    border-radius: 20px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,201,212,0.2);
}

.login-brand-name {
    font-size: 2rem;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 0.08em;
}
.login-brand-name span { color: var(--sah-cyan); }

.login-brand-sub {
    font-size: 0.85rem;
    color: rgba(168,187,221,0.8);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1.4;
    max-width: 240px;
}

.login-institucion {
    margin-top: 2.5rem;
    padding: 1rem 1.5rem;
    border-radius: var(--r);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    position: relative; z-index: 1;
}
.login-institucion-nombre {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
}
.login-institucion-detalle {
    font-size: 0.75rem;
    color: var(--nav-label);
    margin-top: 0.2rem;
}

/* Floating dots decoration */
.login-dots {
    position: absolute;
    z-index: 0;
    inset: 0;
    pointer-events: none;
}

/* Right panel */
.login-panel-der {
    width: 420px;
    flex-shrink: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    transition: background var(--t);
}

.tarjeta-login {
    width: 100%;
}

.tarjeta-login h1 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.tarjeta-login .subtitulo {
    margin-bottom: 2rem;
}

.tarjeta-login .campo input {
    padding: 0.7rem 0.9rem;
}

.error-login {
    background: var(--error-bg);
    color: var(--error-text);
    padding: 0.65rem 0.9rem;
    border-radius: var(--r-sm);
    font-size: 0.84rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--error);
}

@media (max-width: 700px) {
    .login-panel-izq { display: none; }
    .login-panel-der { width: 100%; padding: 2rem 1.5rem; }
}

/* ── Support panel ────────────────────────────────────────── */
.boton-soporte-flotante {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--sah-navy), var(--sah-navy-mid));
    color: #fff;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 999px;
    padding: 0.7rem 1.2rem;
    font-size: 0.84rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: transform var(--t), box-shadow var(--t);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.boton-soporte-flotante:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(15,27,53,0.3);
}
.boton-soporte-flotante svg {
    width: 15px; height: 15px; stroke: var(--sah-cyan);
}

.panel-soporte {
    position: fixed;
    top: 0; right: -400px;
    width: 370px; max-width: 90vw;
    height: 100vh;
    background: var(--bg-card);
    box-shadow: -8px 0 40px rgba(0,0,0,0.18);
    z-index: 200;
    transition: right 0.28s cubic-bezier(0.4,0,0.2,1), background var(--t);
    overflow-y: auto;
    padding: 1.5rem;
}
.panel-soporte.abierto { right: 0; }

.panel-soporte h2 {
    margin-top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}
.panel-soporte .cerrar-soporte {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-2);
    line-height: 1;
    padding: 0.2rem;
    border-radius: var(--r-xs);
    transition: background var(--t), color var(--t);
}
.panel-soporte .cerrar-soporte:hover {
    background: var(--error-bg);
    color: var(--error-text);
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    margin-bottom: 0.5rem;
    overflow: hidden;
    transition: border-color var(--t);
}
.faq-item:hover { border-color: var(--sah-cyan); }

.faq-item summary {
    padding: 0.7rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    background: var(--bg);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--t);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-size: 1rem;
    color: var(--text-3);
    flex-shrink: 0;
}
details.faq-item[open] > summary::after { content: '−'; color: var(--sah-cyan); }
.faq-item summary:hover { background: var(--sah-cyan-soft); }

.faq-item .faq-respuesta {
    padding: 0.75rem 0.9rem;
    font-size: 0.84rem;
    color: var(--text-2);
    border-top: 1px solid var(--border);
    line-height: 1.55;
}

.overlay-soporte {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 150;
    display: none;
    backdrop-filter: blur(2px);
}
.overlay-soporte.visible { display: block; }

/* ── Badges / Pills ───────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
}
.badge.ok      { background: var(--ok-bg);    color: var(--ok-text); }
.badge.warn    { background: var(--warn-bg);  color: var(--warn-text); }
.badge.error   { background: var(--error-bg); color: var(--error-text); }
.badge.info    { background: var(--info-bg);  color: var(--info-text); }
.badge.cyan    { background: var(--sah-cyan-soft); color: var(--sah-cyan); }
.badge.neutral { background: var(--border); color: var(--text-2); }

/* ── Utility ──────────────────────────────────────────────── */
.texto-muted { color: var(--text-2); font-size: 0.84rem; }
.texto-ok    { color: var(--ok);    font-weight: 600; }
.texto-error { color: var(--error); font-weight: 600; }
.texto-warn  { color: var(--warn);  font-weight: 600; }

.separador { height: 1px; background: var(--border); margin: 1.25rem 0; }

.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--sah-cyan);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Fade-in for page content */
.contenido { animation: fadeUp 0.25s ease both; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE SYSTEM — Fluid scaling + Mobile / Tablet
══════════════════════════════════════════════════════════ */

/* ── Mobile topbar y overlay: solo se muestran en móvil ── */
.movil-topbar  { display: none; }
.movil-overlay { display: none; }

/* ── Tablet (≤1024px): sidebar se colapsa por defecto ──── */
@media (max-width: 1024px) {
    .contenido {
        padding: clamp(0.9rem, 2vw, 2rem) clamp(0.9rem, 2.5vw, 2rem);
    }
}

/* ── Desktop grande (≥1600px): limitar ancho del contenido ─ */
@media (min-width: 1600px) {
    .contenido {
        max-width: 1700px;
    }
}

/* ── Mobile (≤768px): drawer desde la izquierda ─────────── */
@media (max-width: 768px) {

    /* Topbar fija arriba */
    .movil-topbar {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        position: fixed;
        top: 0; left: 0; right: 0;
        height: 52px;
        background: var(--nav-bg);
        border-bottom: 1px solid rgba(0,201,212,0.18);
        padding: 0 1rem;
        z-index: 90;
        box-shadow: 0 2px 16px rgba(0,0,0,0.35);
    }

    .movil-hamburger {
        width: 38px; height: 38px;
        display: flex; flex-direction: column;
        align-items: center; justify-content: center;
        gap: 5px;
        background: rgba(255,255,255,0.07);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: 8px;
        cursor: pointer;
        flex-shrink: 0;
        transition: background var(--t);
    }
    .movil-hamburger:hover { background: rgba(0,201,212,0.15); }
    .movil-hamburger span {
        display: block;
        width: 16px; height: 1.5px;
        background: #fff;
        border-radius: 2px;
        transition: transform 0.22s, opacity 0.22s;
    }

    .movil-brand {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.05em;
        line-height: 1.1;
    }
    .movil-brand small {
        display: block;
        font-size: 0.6rem;
        font-weight: 400;
        color: rgba(255,255,255,0.4);
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }

    /* Overlay oscuro detrás del drawer */
    .movil-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.55);
        z-index: 95;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s;
    }
    .movil-overlay.visible {
        opacity: 1;
        pointer-events: all;
    }

    /* Sidebar: COMPLETAMENTE oculto en móvil — display:none es más
       confiable que transform porque no ocupa espacio en ningún caso */
    .barra-lateral,
    .barra-lateral.colapsada {
        display: none !important;
    }

    /* Cuando el JS agrega .movil-abierta: aparece como drawer overlay */
    .barra-lateral.movil-abierta {
        display: flex !important;
        flex-direction: column;
        position: fixed;
        top: 0; left: 0; bottom: 0;
        width: min(280px, 85vw);
        height: 100%;
        z-index: 100;
        overflow-y: auto;
        box-shadow: 8px 0 40px rgba(0,0,0,0.65);
        animation: drawerSlide 0.26s cubic-bezier(0.4,0,0.2,1) both;
    }
    @keyframes drawerSlide {
        from { transform: translateX(-100%); }
        to   { transform: translateX(0); }
    }

    /* Siempre mostrar textos completos dentro del drawer */
    .barra-lateral.movil-abierta .sidebar-logo-text,
    .barra-lateral.movil-abierta .nav-seccion-label,
    .barra-lateral.movil-abierta .usuario-info,
    .barra-lateral.movil-abierta #dark-label,
    .barra-lateral.movil-abierta nav a span {
        opacity: 1 !important;
        max-width: none !important;
    }
    .barra-lateral.movil-abierta nav a {
        justify-content: flex-start !important;
        padding: 0.6rem 0.75rem !important;
    }
    .barra-lateral.movil-abierta .usuario-actual {
        justify-content: flex-start !important;
        padding: 0.6rem 0.75rem !important;
    }
    .barra-lateral.movil-abierta .enlace-salir {
        opacity: 1 !important;
        pointer-events: all !important;
    }
    .sidebar-toggle { display: none; }

    /* Contenido: full width con espacio para la topbar fija */
    .layout { min-height: 100vh; }
    .contenido {
        padding: 0.75rem !important;
        padding-top: calc(52px + 0.75rem) !important;
        width: 100%;
    }

    /* iOS: previene auto-zoom al hacer focus en inputs (requiere ≥16px) */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="search"],
    input[type="tel"],
    input[type="number"],
    select,
    textarea {
        font-size: max(16px, 1em) !important;
    }

    /* Touch targets: mínimo 44px alto (Apple HIG / Material Design) */
    .boton,
    button:not(.movil-hamburger):not(.sidebar-toggle):not(.cerrar-soporte),
    a.boton,
    [class*="-btn-nuevo"],
    [class*="-btn"]:not([class*="edit"]) {
        min-height: 44px;
    }

    /* Tablas que NO se convierten en cards: scroll horizontal */
    table.tabla-scroll {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    /* Grids: 2 columnas en móvil */
    .grid-metricas {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem;
    }

    /* Botón soporte flotante: reposicionar */
    .boton-soporte-flotante {
        bottom: 1rem;
        right: 1rem;
        padding: 0.55rem 0.9rem;
        font-size: 0.8rem;
    }

    /* Login en móvil */
    .login-panel-izq { display: none; }
    .login-panel-der { width: 100% !important; }
}

/* ── Móvil pequeño (≤480px) ─────────────────────────────── */
@media (max-width: 480px) {
    .grid-metricas { grid-template-columns: 1fr; }
    .contenido { padding: 0.6rem; padding-top: calc(52px + 0.6rem); }
    h1 { font-size: clamp(1.1rem, 4vw, 1.4rem); }
    h2 { font-size: 0.95rem; }

    /* Filtros y headers en columna */
    .filter-bar,
    [class*="-filter-bar"],
    [class*="-header"] {
        flex-direction: column;
        align-items: stretch;
    }
    [class*="-search"],
    [class*="-actions"] {
        width: 100%;
    }
}