:root {
    /* --- TEMA DARK (Por defecto) --- */
    --bg-main: radial-gradient(circle at top center, #1a2a3a 0%, #0f1214 80%);
    --bg-body: #0f1214;
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --card-bg: rgba(30, 35, 40, 0.6);
    --card-bg-hover: rgba(30, 35, 40, 0.9);
    --card-border: rgba(255, 255, 255, 0.05);
    --hud-bg: rgba(20, 25, 30, 0.9);
    --hud-border: rgba(0, 210, 255, 0.3);
    --input-bg: rgba(0, 0, 0, 0.4);
    --input-focus-bg: rgba(0, 0, 0, 0.6);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-group-text-bg: rgba(0, 210, 255, 0.1);
    --cyan-primary: #00d2ff;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --title-shadow: 0 0 10px rgba(0, 210, 255, 0.3);

    --btn-filter-bg: rgba(255, 255, 255, 0.05);
    --btn-filter-border: rgba(255, 255, 255, 0.1);
    --btn-filter-hover: rgba(255, 255, 255, 0.15);

    /* Colores por gravedad Dark */
    --color-rojo: #ff4d5a;
    --color-amarillo: #ffc107;
    --color-verde: #00ff9d;
    --color-azul: #0dcaf0;
    --color-gris: #e0e0e0;

    --shadow-rojo: rgba(255, 77, 90, 0.4);
    --shadow-amarillo: rgba(255, 193, 7, 0.4);
    --shadow-verde: rgba(0, 255, 157, 0.4);
    --shadow-azul: rgba(13, 202, 240, 0.4);
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: #f8f9fa;
    --bg-body: #f8f9fa;
    --text-main: #212529;
    --text-title: #1a1d21;
    --card-bg: #ffffff;
    --card-bg-hover: #f1f3f5;
    --card-border: rgba(0, 0, 0, 0.1);
    --hud-bg: rgba(255, 255, 255, 0.95);
    --hud-border: rgba(0, 118, 138, 0.2);
    --input-bg: #ffffff;
    --input-focus-bg: #ffffff;
    --input-border: #ced4da;
    --input-group-text-bg: rgba(0, 118, 138, 0.1);
    --cyan-primary: #00768a;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --title-shadow: none;

    --btn-filter-bg: rgba(0, 0, 0, 0.05);
    --btn-filter-border: rgba(0, 0, 0, 0.1);
    --btn-filter-hover: rgba(0, 0, 0, 0.1);

    /* Colores por gravedad Light (más oscuros para legibilidad) */
    --color-rojo: #dc3545;
    --color-amarillo: #856404;
    /* Más oscuro que ffc107 */
    --color-verde: #198754;
    --color-azul: #0056b3;
    --color-gris: #6c757d;

    --shadow-rojo: rgba(220, 53, 69, 0.2);
    --shadow-amarillo: rgba(133, 100, 4, 0.2);
    --shadow-verde: rgba(25, 135, 84, 0.2);
    --shadow-azul: rgba(0, 86, 179, 0.2);
}

body {
    background: var(--bg-main) !important;
    background-color: var(--bg-body) !important;
    color: var(--text-main);
    min-height: 100vh;
}

h1,
h2,
h3 {
    color: var(--text-title);
    text-shadow: var(--title-shadow);
}

/* Wrapper de contenido */
.content-wrapper {
    max-width: 1600px;
    margin: 0 auto;
}

.text-muted {
    color: var(--text-main) !important;
    opacity: 0.7;
}

/* --- BARRA DE BÚSQUEDA (STICKY HUD) --- */
.search-hud {
    position: sticky;
    top: 70px;
    z-index: 100;
    background: var(--hud-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--hud-border);
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px var(--shadow-color);
    margin-bottom: 2rem;
}

/* Inputs */
.form-control {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
    font-size: 1.1rem;
}

.form-control:focus {
    background-color: var(--input-focus-bg);
    border-color: var(--cyan-primary);
    box-shadow: 0 0 0 0.25rem var(--shadow-azul);
    color: var(--text-main);
}

.form-control::placeholder {
    color: var(--text-main);
    opacity: 0.5;
}

.input-group-text {
    background-color: var(--input-group-text-bg);
    border: 1px solid var(--input-border);
    border-right: none;
    color: var(--cyan-primary);
}

/* Botones de Filtro */
.btn-filter {
    background: var(--btn-filter-bg);
    border: 1px solid var(--btn-filter-border);
    color: var(--text-main);
    margin: 2px;
    transition: all 0.3s;
}

.btn-filter:hover {
    background: var(--btn-filter-hover);
    color: var(--text-title);
}

/* Estados Activos de Botones */
.btn-filter.active[data-color="todos"] {
    border-color: var(--text-title);
    background: var(--btn-filter-hover);
    color: var(--text-title);
}

.btn-filter.active[data-color="Rojo"] {
    border-color: var(--color-rojo);
    background: var(--shadow-rojo);
    color: var(--color-rojo);
    box-shadow: 0 0 10px var(--shadow-rojo);
}

.btn-filter.active[data-color="Amarillo"] {
    border-color: var(--color-amarillo);
    background: var(--shadow-amarillo);
    color: var(--color-amarillo);
    box-shadow: 0 0 10px var(--shadow-amarillo);
}

.btn-filter.active[data-color="Verde"] {
    border-color: var(--color-verde);
    background: var(--shadow-verde);
    color: var(--color-verde);
    box-shadow: 0 0 10px var(--shadow-verde);
}

.btn-filter.active[data-color="Azul"] {
    border-color: var(--color-azul);
    background: var(--shadow-azul);
    color: var(--color-azul);
    box-shadow: 0 0 10px var(--shadow-azul);
}

.btn-filter.active[data-color="Gris"] {
    border-color: var(--color-gris);
    background: var(--btn-filter-hover);
    color: var(--text-title);
}

/* --- TARJETAS DE ALERTA --- */
.alerta-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    overflow: hidden;
    transition: transform 0.2s ease, background 0.2s;
}

.alerta-item:hover {
    transform: translateX(5px);
    background: var(--card-bg-hover);
}

/* Bordes laterales por gravedad */
.alerta-item[data-color="Rojo"] {
    border-left: 6px solid var(--color-rojo);
}

.alerta-item[data-color="Amarillo"] {
    border-left: 6px solid var(--color-amarillo);
}

.alerta-item[data-color="Verde"] {
    border-left: 6px solid var(--color-verde);
}

.alerta-item[data-color="Azul"] {
    border-left: 6px solid var(--color-azul);
}

.alerta-item[data-color="Gris"] {
    border-left: 6px solid var(--color-gris);
}

/* Contenido Tarjeta */
.alerta-icono {
    flex-basis: 90px;
    min-width: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.1);
}

.alerta-icono img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.2));
}

[data-theme='light'] .alerta-icono img {
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.1));
}

.alerta-info {
    flex-grow: 1;
    padding: 1rem;
    line-height: 1.5;
}

.alerta-info h5 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-title);
    text-transform: uppercase;
    font-size: 1.1rem;
}

.alerta-info .significado {
    font-size: 0.95rem;
    color: var(--text-main);
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.alerta-info .que-hacer {
    font-size: 0.95rem;
    color: var(--text-main);
    font-style: italic;
}

.alerta-info strong {
    color: var(--cyan-primary);
}

/* Títulos de Grupo */
.alerta-grupo h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
    margin-top: 1rem;
}

/* Colores de texto protegidos */
[data-theme='light'] .content-wrapper .text-danger,
[data-theme='light'] main .text-danger,
[data-theme='light'] .alerta-grupo .text-danger {
    color: var(--color-rojo) !important;
    text-shadow: none;
}

[data-theme='light'] .content-wrapper .text-warning,
[data-theme='light'] main .text-warning,
[data-theme='light'] .alerta-grupo .text-warning {
    color: var(--color-amarillo) !important;
    text-shadow: none;
}

[data-theme='light'] .content-wrapper .text-success,
[data-theme='light'] main .text-success,
[data-theme='light'] .alerta-grupo .text-success {
    color: var(--color-verde) !important;
    text-shadow: none;
}

[data-theme='light'] .content-wrapper .text-primary,
[data-theme='light'] main .text-primary,
[data-theme='light'] .alerta-grupo .text-primary {
    color: var(--color-azul) !important;
    text-shadow: none;
}

.text-danger {
    color: var(--color-rojo) !important;
    text-shadow: var(--shadow-rojo) 0 0 10px;
}

.text-warning {
    color: var(--color-amarillo) !important;
    text-shadow: var(--shadow-amarillo) 0 0 10px;
}

.text-success {
    color: var(--color-verde) !important;
    text-shadow: var(--shadow-verde) 0 0 10px;
}

.text-primary {
    color: var(--color-azul) !important;
    text-shadow: var(--shadow-azul) 0 0 10px;
}

.text-light {
    color: var(--text-main) !important;
}

.keywords {
    display: none;
}

/* Selector de Tema */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--cyan-primary);
}