/*
 * ============================================
 * AlertaMunicipal - Design System v3
 * Rediseno completo: clase mundial, mobile-first
 *
 * PALETA (psicologia del color):
 *   Navy #0B2545 — Autoridad, confianza institucional
 *   Accent #0EA5E9 — Modernidad, tecnologia, fiabilidad
 *   Teal #0D9488 — Salud, seguridad, crecimiento
 *   Rojo #DC2626 — Solo emergencias reales
 *   Amarillo #B45309 — Precaucion
 *   Verde #15803D — Estado seguro, confirmacion
 *
 * FUENTES: Sora (titulos) + DM Sans (cuerpo)
 * BASE: 17px cuerpo, WCAG AA contraste minimo
 * MOBILE-FIRST: 360px baseline
 * ============================================
 */

/* ==========================================
   RESET & BASE
   ========================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
    /* Paleta principal */
    --navy: #0B2545;
    --navy-light: #13395E;
    --navy-lighter: #1B4F72;
    --accent: #0EA5E9;
    --accent-dark: #0284C7;
    --accent-darker: #0369A1;
    --accent-light: #E0F2FE;
    --teal: #0D9488;
    --teal-dark: #0F766E;
    --teal-light: #CCFBF1;

    /* Semaforo alertas */
    --rojo: #DC2626;
    --rojo-claro: #FEF2F2;
    --rojo-borde: #FECACA;
    --rojo-oscuro: #B91C1C;
    --amarillo: #B45309;
    --amarillo-claro: #FFFBEB;
    --amarillo-borde: #FDE68A;
    --verde: #15803D;
    --verde-claro: #F0FDF4;
    --verde-borde: #BBF7D0;
    --morado: #7C3AED;
    --morado-claro: #F5F3FF;
    --naranja: #EA580C;
    --naranja-claro: #FFF7ED;

    /* Neutros — contraste verificado WCAG AA */
    --gris-50: #F8FAFC;
    --gris-100: #F1F5F9;
    --gris-200: #E2E8F0;
    --gris-300: #CBD5E1;
    --gris-400: #94A3B8;
    --gris-500: #64748B;
    --gris-600: #475569;
    --gris-700: #334155;
    --gris-800: #1E293B;
    --gris-900: #0F172A;

    /* Semanticos */
    --fondo: #FFFFFF;
    --fondo-alt: #F8FAFC;
    --fondo-card: #FFFFFF;
    --texto: #1E293B;
    --texto-secundario: #475569;
    --texto-terciario: #64748B;
    --borde: #E2E8F0;
    --borde-fuerte: #CBD5E1;

    /* Tipografia */
    --font-heading: 'Sora', system-ui, -apple-system, sans-serif;
    --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Escala tipografica */
    --text-xs: 0.75rem;    /* 12px */
    --text-sm: 0.8125rem;  /* 13px */
    --text-base: 1rem;     /* 17px via body */
    --text-lg: 1.125rem;   /* ~19px */
    --text-xl: 1.25rem;    /* ~21px */
    --text-2xl: 1.5rem;    /* ~26px */
    --text-3xl: 2rem;      /* ~34px */
    --text-4xl: 2.5rem;    /* ~43px */

    /* Espaciado (4px grid) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Bordes y radios */
    --radio: 16px;
    --radio-sm: 10px;
    --radio-xs: 6px;
    --radio-lg: 20px;
    --radio-xl: 24px;
    --radio-full: 9999px;

    /* Sombras */
    --sombra-xs: 0 1px 2px rgba(11,37,69,0.05);
    --sombra: 0 1px 3px rgba(11,37,69,0.08), 0 1px 2px rgba(11,37,69,0.04);
    --sombra-md: 0 4px 6px -1px rgba(11,37,69,0.08), 0 2px 4px -2px rgba(11,37,69,0.05);
    --sombra-lg: 0 10px 15px -3px rgba(11,37,69,0.08), 0 4px 6px -4px rgba(11,37,69,0.04);
    --sombra-xl: 0 20px 25px -5px rgba(11,37,69,0.10), 0 8px 10px -6px rgba(11,37,69,0.05);
    --sombra-2xl: 0 25px 50px -12px rgba(11,37,69,0.18);

    /* Transiciones */
    --transicion: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transicion-rapida: all 0.15s ease;
    --transicion-lenta: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-nav: 100;
    --z-dropdown: 50;
    --z-sticky: 40;
    --z-modal: 200;
    --z-toast: 300;
}

/* ==========================================
   BODY & TIPOGRAFIA
   ========================================== */
body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--texto);
    background: var(--fondo);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--texto);
}

a {
    color: var(--accent-dark);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover { color: var(--accent-darker); }

img { max-width: 100%; display: block; }

/* Focus visible para accesibilidad */
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radio-xs);
}

/* ==========================================
   LAYOUT
   ========================================== */
.contenedor {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-4);
}

.contenedor-ancho {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4);
}

.contenedor-centrado {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================
   SECCION
   ========================================== */
.seccion {
    margin-bottom: var(--space-8);
}

.seccion-titulo {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--texto);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ==========================================
   BOTONES
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1;
    padding: 0.75rem 1.25rem;
    min-height: 44px; /* Touch target WCAG */
    border-radius: var(--radio-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: var(--transicion);
    text-decoration: none;
    white-space: nowrap;
    -webkit-user-select: none;
    user-select: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primario {
    background: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(14,165,233,0.25);
}
.btn-primario:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(14,165,233,0.35);
    transform: translateY(-1px);
}

.btn-secundario {
    background: var(--fondo);
    color: var(--texto);
    border-color: var(--borde-fuerte);
}
.btn-secundario:hover {
    background: var(--gris-50);
    border-color: var(--gris-400);
    color: var(--texto);
}

.btn-peligro {
    background: var(--rojo);
    color: #FFFFFF;
    border-color: var(--rojo);
}
.btn-peligro:hover {
    background: var(--rojo-oscuro);
    border-color: var(--rojo-oscuro);
    color: #FFFFFF;
}

.btn-sm {
    font-size: 0.82rem;
    padding: 0.5rem 0.85rem;
    min-height: 36px;
}
@media (max-width: 768px) {
    .btn-sm { min-height: 44px; }
}

.btn-grande {
    font-size: 1rem;
    padding: 0.9rem 2rem;
    min-height: 52px;
    border-radius: var(--radio);
    font-weight: 700;
}

.btn-full { width: 100%; }

/* ==========================================
   CARDS
   ========================================== */
.card {
    background: var(--fondo-card);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    overflow: hidden;
    transition: var(--transicion);
}
.card:hover {
    box-shadow: var(--sombra-md);
}

.card-formulario {
    background: var(--fondo-card);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: var(--space-6);
}

/* ==========================================
   FORMULARIOS
   ========================================== */
.formulario {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.campo {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.campo-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--texto);
}

.campo-input,
.campo-select,
.form-input {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--borde-fuerte);
    border-radius: var(--radio-sm);
    color: var(--texto);
    background: var(--fondo);
    min-height: 48px; /* Touch target */
    transition: var(--transicion-rapida);
    width: 100%;
}
.campo-input:focus,
.campo-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}
.campo-input::placeholder,
.form-input::placeholder {
    color: #6B7280;
}

.campo-ayuda {
    font-size: var(--text-sm);
    color: var(--texto-terciario);
}

/* Prefijo telefono */
.campo-prefijo {
    display: flex;
}
.prefijo {
    display: flex;
    align-items: center;
    padding: 0 0.85rem;
    background: var(--gris-100);
    border: 1.5px solid var(--borde-fuerte);
    border-right: none;
    border-radius: var(--radio-sm) 0 0 var(--radio-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--texto-secundario);
    white-space: nowrap;
}
.campo-input-con-prefijo {
    border-radius: 0 var(--radio-sm) var(--radio-sm) 0;
}

.form-grupo {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.form-grupo label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--texto);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-descripcion {
    font-size: 0.95rem;
    color: var(--texto-secundario);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

/* ==========================================
   MENSAJES (exito, error, info)
   ========================================== */
.mensaje {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radio-sm);
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: var(--space-4);
}
.mensaje p { margin: 0; }

.mensaje-exito {
    background: var(--verde-claro);
    border: 1px solid var(--verde-borde);
    color: #166534;
}

.mensaje-error {
    background: var(--rojo-claro);
    border: 1px solid var(--rojo-borde);
    color: #991B1B;
}

.mensaje-icono {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ==========================================
   HEADER SIMPLE (vistas internas)
   ========================================== */
.header-simple {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    margin-bottom: var(--space-4);
}

.header-titulo {
    font-size: var(--text-xl);
    font-weight: 700;
}

.btn-volver {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px; /* Touch target */
    height: 44px;
    border-radius: var(--radio-sm);
    background: var(--gris-100);
    color: var(--texto);
    transition: var(--transicion-rapida);
    flex-shrink: 0;
    border: 1px solid var(--borde);
}
.btn-volver:hover {
    background: var(--gris-200);
    color: var(--texto);
}

.icono-volver {
    width: 22px;
    height: 22px;
}

/* ==========================================
   NAV INFERIOR (vecinos mobile)
   ========================================== */
.nav-inferior {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background: var(--fondo);
    border-top: 1px solid var(--borde);
    display: flex;
    justify-content: space-around;
    padding: var(--space-2) 0;
    padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
    box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: var(--space-2) var(--space-4);
    min-width: 64px;
    min-height: 44px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gris-500);
    text-decoration: none;
    border-radius: var(--radio-sm);
    transition: var(--transicion-rapida);
}
.nav-item:hover {
    color: var(--accent);
    text-decoration: none;
}
.nav-item.activo {
    color: var(--accent);
    background: var(--accent-light);
}

.nav-icono {
    width: 24px;
    height: 24px;
}

/* ==========================================
   ALERTAS (tarjetas)
   ========================================== */
.alerta-card {
    border-radius: var(--radio);
    padding: var(--space-5);
    margin-bottom: var(--space-3);
    border-left: 4px solid;
    transition: var(--transicion);
}

.alerta-rojo {
    background: var(--rojo-claro);
    border-left-color: var(--rojo);
}
.alerta-amarillo {
    background: var(--amarillo-claro);
    border-left-color: var(--amarillo);
}
.alerta-verde {
    background: var(--verde-claro);
    border-left-color: var(--verde);
}

.alerta-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.alerta-icono {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}
.alerta-rojo .alerta-icono { color: var(--rojo); }
.alerta-amarillo .alerta-icono { color: var(--amarillo); }
.alerta-verde .alerta-icono { color: var(--verde); }

.alerta-tipo-badge {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radio-full);
}
.alerta-rojo .alerta-tipo-badge {
    background: var(--rojo);
    color: #FFFFFF;
}
.alerta-amarillo .alerta-tipo-badge {
    background: var(--amarillo);
    color: #FFFFFF;
}
.alerta-verde .alerta-tipo-badge {
    background: var(--verde);
    color: #FFFFFF;
}

.alerta-titulo {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.alerta-mensaje {
    font-size: 0.92rem;
    color: var(--texto-secundario);
    line-height: 1.6;
    margin-bottom: var(--space-2);
}

.alerta-fecha {
    font-size: var(--text-sm);
    color: var(--texto-terciario);
}

/* ==========================================
   COMUNICADO (tarjeta)
   ========================================== */
.comunicado-card {
    background: var(--fondo-card);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: var(--space-5);
    margin-bottom: var(--space-3);
    transition: var(--transicion);
}
.comunicado-card:hover {
    box-shadow: var(--sombra-md);
}

.comunicado-categoria {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radio-full);
    background: var(--accent-light);
    color: var(--accent-dark);
    margin-bottom: var(--space-3);
}

.comunicado-titulo {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.comunicado-contenido {
    font-size: 0.92rem;
    color: var(--texto-secundario);
    line-height: 1.6;
    margin-bottom: var(--space-2);
}

.comunicado-fecha {
    font-size: var(--text-sm);
    color: var(--texto-terciario);
}

/* ==========================================
   LOGIN
   ========================================== */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--fondo-card);
    border: 1px solid var(--borde);
    border-radius: var(--radio-lg);
    padding: var(--space-10);
    box-shadow: var(--sombra-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-logo {
    width: 56px;
    height: 56px;
    color: var(--accent);
    margin: 0 auto var(--space-4);
}

.login-titulo {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-2);
}

.login-subtitulo {
    font-size: 0.95rem;
    color: var(--texto-secundario);
}

/* ==========================================
   PANEL ADMIN
   ========================================== */
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-6) 0;
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--borde);
    flex-wrap: wrap;
}

.panel-titulo {
    font-size: var(--text-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.panel-bienvenida {
    font-size: var(--text-sm);
    color: var(--texto-secundario);
    margin-top: 0.15rem;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
}

.stat-card {
    background: var(--fondo-card);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: var(--space-5);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transicion);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-lg);
}

.stat-azul::before { background: var(--accent); }
.stat-rojo::before { background: var(--rojo); }
.stat-verde::before { background: var(--verde); }
.stat-morado::before { background: var(--morado); }

.stat-numero {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--space-2);
}
.stat-azul .stat-numero { color: var(--accent-dark); }
.stat-rojo .stat-numero { color: var(--rojo); }
.stat-verde .stat-numero { color: var(--verde); }
.stat-morado .stat-numero { color: var(--morado); }

.stat-label {
    font-size: var(--text-sm);
    color: var(--texto-secundario);
    font-weight: 500;
}

.stat-icono {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}

/* Acciones rapidas */
.acciones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
}

.accion-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--fondo-card);
    border: 1.5px solid var(--borde);
    border-radius: var(--radio);
    text-decoration: none;
    color: var(--texto);
    transition: var(--transicion);
    min-height: 110px;
    text-align: center;
}
.accion-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-lg);
    text-decoration: none;
}

.accion-card span {
    font-size: var(--text-sm);
    font-weight: 600;
}

.accion-icono {
    width: 32px;
    height: 32px;
}

.accion-rojo { border-color: var(--rojo-borde); }
.accion-rojo:hover { border-color: var(--rojo); }
.accion-rojo .accion-icono { color: var(--rojo); }

.accion-azul { border-color: rgba(14,165,233,0.3); }
.accion-azul:hover { border-color: var(--accent); }
.accion-azul .accion-icono { color: var(--accent); }

.accion-verde { border-color: var(--verde-borde); }
.accion-verde:hover { border-color: var(--verde); }
.accion-verde .accion-icono { color: var(--verde); }

.accion-morado { border-color: rgba(124,58,237,0.25); }
.accion-morado:hover { border-color: var(--morado); }
.accion-morado .accion-icono { color: var(--morado); }

.accion-naranja { border-color: rgba(234,88,12,0.25); }
.accion-naranja:hover { border-color: var(--naranja); }
.accion-naranja .accion-icono { color: var(--naranja); }

/* ==========================================
   TABLAS
   ========================================== */
.tabla-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    background: var(--fondo-card);
}

.tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.tabla thead {
    background: var(--gris-50);
    border-bottom: 2px solid var(--borde);
}

.tabla th {
    padding: 0.75rem 1rem;
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--texto-secundario);
    text-align: left;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tabla td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gris-100);
    vertical-align: middle;
}

.tabla tbody tr:last-child td {
    border-bottom: none;
}

.tabla tbody tr:hover {
    background: var(--gris-50);
}

.td-nombre {
    font-weight: 600;
    color: var(--texto);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================
   BADGES
   ========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radio-full);
    letter-spacing: 0.02em;
    white-space: nowrap;
    text-transform: uppercase;
    background: var(--gris-100);
    color: var(--gris-600);
}

.badge-rojo {
    background: var(--rojo);
    color: #FFFFFF;
}

.badge-verde {
    background: var(--verde);
    color: #FFFFFF;
}

.badge-azul {
    background: var(--accent);
    color: #FFFFFF;
}

.badge-activa {
    background: #DCFCE7;
    color: #166534;
}

.badge-inactiva {
    background: var(--gris-100);
    color: var(--gris-600);
}

.badge-tipo {
    background: var(--accent-light);
    color: var(--accent-dark);
    text-transform: capitalize;
}

/* ==========================================
   ESTADO VACIO
   ========================================== */
.estado-vacio,
.vacio {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    color: var(--texto-secundario);
}

.estado-vacio-icono {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    color: var(--gris-300);
}

.estado-vacio-texto,
.vacio p {
    font-size: 0.95rem;
    margin-bottom: var(--space-2);
}

.vacio-sub {
    font-size: var(--text-sm);
    color: var(--texto-terciario);
}

/* ==========================================
   SSE ALERTAS EN VIVO
   ========================================== */
.alerta-sse {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-toast);
    padding: var(--space-4);
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.alerta-sse.alerta-rojo {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
}
.alerta-sse.alerta-amarillo {
    background: linear-gradient(135deg, #B45309 0%, #92400E 100%);
}
.alerta-sse.alerta-verde {
    background: linear-gradient(135deg, #15803D 0%, #166534 100%);
}

.alerta-sse-contenido {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: #FFFFFF;
}

.alerta-sse-icono {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.alerta-sse-contenido strong {
    font-size: 0.95rem;
    display: block;
    margin-bottom: 0.15rem;
}

.alerta-sse-contenido p {
    font-size: 0.85rem;
    opacity: 1;
    margin: 0;
}

.alerta-sse-cerrar {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #FFFFFF;
    font-size: 1.4rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radio-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: auto;
    transition: background 0.15s;
}
.alerta-sse-cerrar:hover {
    background: rgba(255,255,255,0.35);
}

/* ==========================================
   LANDING PAGE: SECTION GENERICAS
   ========================================== */
.lp-section {
    padding: var(--space-16) var(--space-6);
}
.lp-section-alt {
    background: var(--gris-50);
}

.lp-section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.lp-section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.lp-section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-3);
}

.lp-section-title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--texto);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-3);
}

.lp-section-desc {
    font-size: 1.05rem;
    color: var(--texto-secundario);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

@media (max-width: 640px) {
    .lp-section { padding: var(--space-10) var(--space-4); }
    .lp-section-title { font-size: var(--text-2xl); }
}

/* Pulse animation */
.lp-pulse,
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}
.lp-pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   LANDING: ALERTA CARDS (in landing context)
   ========================================== */
.lp-alerta-card {
    border-radius: var(--radio);
    padding: var(--space-5);
    border-left: 4px solid;
    background: var(--fondo-card);
    box-shadow: var(--sombra);
    transition: var(--transicion);
}
.lp-alerta-card:hover {
    box-shadow: var(--sombra-lg);
    transform: translateY(-2px);
}

.lp-alerta-rojo {
    border-left-color: var(--rojo);
    background: var(--rojo-claro);
}
.lp-alerta-amarillo {
    border-left-color: var(--amarillo);
    background: var(--amarillo-claro);
}
.lp-alerta-verde {
    border-left-color: var(--verde);
    background: var(--verde-claro);
}

.lp-alerta-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.lp-alerta-badge-nivel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radio-sm);
    flex-shrink: 0;
}
.lp-alerta-rojo .lp-alerta-badge-nivel {
    background: rgba(220,38,38,0.12);
    color: var(--rojo);
}
.lp-alerta-amarillo .lp-alerta-badge-nivel {
    background: rgba(217,119,6,0.12);
    color: var(--amarillo);
}
.lp-alerta-verde .lp-alerta-badge-nivel {
    background: rgba(22,163,74,0.12);
    color: var(--verde);
}

.lp-alerta-pill {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radio-full);
}
.lp-alerta-pill--rojo { background: var(--rojo); color: #fff; }
.lp-alerta-pill--amarillo { background: var(--amarillo); color: #fff; }
.lp-alerta-pill--verde { background: var(--verde); color: #fff; }

.lp-alerta-titulo {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.lp-alerta-msg {
    font-size: 0.9rem;
    color: var(--texto-secundario);
    line-height: 1.6;
    margin-bottom: var(--space-2);
}

.lp-alerta-fecha {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--texto-terciario);
}

/* ==========================================
   DARK MODE
   ========================================== */
body.dark {
    --fondo: #0F172A;
    --fondo-alt: #1E293B;
    --fondo-card: #1E293B;
    --texto: #F1F5F9;
    --texto-secundario: #94A3B8;
    --texto-terciario: #64748B;
    --borde: #334155;
    --borde-fuerte: #475569;
}

body.dark .campo-input,
body.dark .campo-select,
body.dark .form-input {
    background: #1E293B;
    border-color: #475569;
    color: #F1F5F9;
}

body.dark .tabla thead {
    background: #1E293B;
}

body.dark .tabla tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

body.dark .btn-secundario {
    background: #1E293B;
    border-color: #475569;
    color: #F1F5F9;
}

body.dark .nav-inferior {
    background: #0F172A;
    border-top-color: #334155;
}

body.dark .stat-card {
    background: #1E293B;
    border-color: #334155;
}

body.dark .btn-volver {
    background: #1E293B;
    border-color: #475569;
    color: #F1F5F9;
}

/* ==========================================
   UTILITIES
   ========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-secundario { color: var(--texto-secundario); }

/* ==========================================
   RESPONSIVE — Global adjustments
   ========================================== */
@media (max-width: 768px) {
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
}

@media (max-width: 640px) {
    body { font-size: 16px; }

    .contenedor,
    .contenedor-ancho {
        padding: var(--space-3);
    }

    .login-card {
        padding: var(--space-6);
        margin: var(--space-4);
        border-radius: var(--radio);
    }

    .panel-titulo { font-size: var(--text-lg); }
}

/* Ensure body content not hidden behind fixed nav */
body:has(.nav-inferior) {
    padding-bottom: 72px;
}

/* ==========================================
   PRINT
   ========================================== */
@media print {
    .nav-inferior,
    .btn-volver,
    .alerta-sse { display: none !important; }

    body { font-size: 12pt; }
    .contenedor, .contenedor-ancho {
        max-width: 100%;
        padding: 0;
    }
}

/* ==========================================
   NAVBAR GLOBAL (compartido entre paginas)
   ========================================== */
.lp-navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 1.25rem;
    background: rgba(11,37,69,0.65);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.35s ease, box-shadow 0.35s ease;
}
.lp-navbar.scrolled {
    background: rgba(11,37,69,0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.25);
    border-bottom-color: rgba(255,255,255,0.06);
}
.lp-navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.lp-logo {
    display: flex; align-items: center; gap: 0.6rem;
    text-decoration: none; min-height: 44px;
}
.lp-logo:hover { text-decoration: none; }
.lp-logo-icon { width: 34px; height: 34px; flex-shrink: 0; }
.lp-logo-text {
    font-family: var(--font-heading);
    font-size: 1.15rem; font-weight: 700;
    color: #fff; letter-spacing: -0.02em;
}
.lp-logo-text span { color: var(--accent); }

/* Desktop nav links */
.lp-nav-links {
    display: none; align-items: center; gap: 0.25rem;
}
.lp-nav-link {
    padding: 0.5rem 0.9rem;
    font-size: 0.88rem; font-weight: 500;
    color: rgba(255,255,255,0.92);
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    min-height: 44px;
    display: inline-flex; align-items: center;
}
.lp-nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.10);
    text-decoration: none;
}
.lp-nav-link.activo {
    color: #fff;
    background: rgba(14,165,233,0.18);
}
.lp-nav-btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    font-size: 0.82rem; font-weight: 600;
    font-family: var(--font-body);
    color: #fff;
    background: rgba(14,165,233,0.30);
    border: 1.5px solid rgba(14,165,233,0.55);
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    min-height: 44px;
}
.lp-nav-btn:hover {
    background: rgba(14,165,233,0.45);
    border-color: rgba(14,165,233,0.7);
    text-decoration: none;
}
.lp-nav-btn svg { flex-shrink: 0; }

/* Hamburger toggle */
.lp-nav-toggle {
    display: flex; align-items: center; justify-content: center;
    background: none; border: none; cursor: pointer;
    padding: 0.5rem; color: rgba(255,255,255,1);
    min-width: 44px; min-height: 44px;
    border-radius: 8px;
    transition: background 0.2s ease;
}
.lp-nav-toggle:hover { background: rgba(255,255,255,0.08); }

/* Mobile menu panel */
.lp-mobile-menu {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(11,37,69,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 1rem 1.25rem 1.5rem;
    display: flex; flex-direction: column; gap: 0.5rem;
    z-index: 99;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.lp-mobile-menu a {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem; font-weight: 500;
    color: rgba(255,255,255,0.92);
    text-decoration: none;
    border-radius: 10px;
    min-height: 48px;
    transition: background 0.2s ease, color 0.2s ease;
}
.lp-mobile-menu a:hover {
    background: rgba(14,165,233,0.12);
    color: #fff; text-decoration: none;
}
.lp-mobile-menu a.activo {
    background: rgba(14,165,233,0.18);
    color: #fff;
}
.lp-mobile-menu a svg { flex-shrink: 0; opacity: 0.7; }
.lp-mobile-menu .lp-mobile-btn-primary {
    background: rgba(14,165,233,0.30);
    border: 1.5px solid rgba(14,165,233,0.50);
    color: #fff; font-weight: 600;
    justify-content: center;
    margin-top: 0.25rem;
}
.lp-mobile-menu .lp-mobile-btn-primary svg { opacity: 0.8; }

/* Navbar spacer */
.lp-navbar-spacer { height: 60px; }

/* Navbar responsive */
@media (min-width: 640px) {
    .lp-navbar-inner { height: 68px; }
    .lp-mobile-menu { top: 68px; }
    .lp-navbar-spacer { height: 68px; }
}
@media (min-width: 900px) {
    .lp-nav-links { display: flex; }
    .lp-nav-toggle { display: none; }
}
@media (min-width: 1024px) {
    .lp-navbar-inner { height: 72px; }
    .lp-mobile-menu { top: 72px; }
    .lp-navbar-spacer { height: 72px; }
}

[id] { scroll-margin-top: 80px; }

/* Mobile small (320px-374px) */
@media (max-width: 374px) {
    .lp-section-title { font-size: 1.25rem; }
}