:root {
    --bg: #0f172a;
    /* Azul muy oscuro/negro */
    --surface: #1e293b;
    /* Gris azulado oscuro */
    --accent: #c5a47e;
    /* Dorado original (se mantiene por elegancia) */
    --text-primary: #f1f5f9;
    /* Blanco grisáceo para lectura suave */
    --text-secondary: #94a3b8;
    /* Gris para textos menos importantes */
    --border: #334155;
    /* Bordes sutiles oscuros */
    --danger: #f87171;
    --success: #4ade80;
    --input-bg: #1e293b;
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
}

/* --- Navegación --- */
header {
    padding: 20px 5%;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.8);
    /* Fondo oscuro translúcido */
    backdrop-filter: blur(12px);
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-weight: 300;
    letter-spacing: 4px;
    margin: 0;
    text-transform: uppercase;
    color: #fff;
}

.logo span {
    font-weight: 700;
    color: var(--accent);
}

#busqueda {
    padding: 10px 20px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: white;
    border-radius: 25px;
    width: 250px;
    outline: none;
    transition: 0.3s;
}

#busqueda:focus {
    border-color: var(--accent);
    width: 300px;
    box-shadow: 0 0 10px rgba(197, 164, 126, 0.2);
}

/* --- Contenedor Principal Dashboard --- */
.admin-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
}

/* --- Sidebar (Filtros) --- */
.sidebar {
    background: var(--surface);
    padding: 25px;
    border: 1px solid var(--border);
    height: fit-content;
    border-radius: 12px;
}

.sidebar h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
}

.sidebar label {
    display: block;
    margin-top: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.sidebar select {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: white;
    border-radius: 6px;
    cursor: pointer;
}

/* --- Tabla de Productos --- */
.content {
    overflow-x: auto;
}

.tabla-admin {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.tabla-admin th {
    text-align: left;
    padding: 18px;
    background: #1e293b;
    border-bottom: 2px solid var(--accent);
    color: var(--accent);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tabla-admin td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.tabla-admin tr:hover {
    background-color: #334155;
}

/* --- Botones de Acción --- */
.btn-add {
    background: var(--accent);
    color: #000;
    padding: 12px 25px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: 0.3s;
    display: inline-block;
    border-radius: 6px;
    text-transform: uppercase;
}

.btn-add:hover {
    background: #e5c39a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(197, 164, 126, 0.3);
}

/* --- Botones de Acción en Modo Oscuro --- */

/* Botón Editar (Estilo Cyan/Azul Profundo) */
.btn-edit {
    text-decoration: none;
    display: inline-block;
    padding: 6px 14px;
    background: rgba(14, 165, 233, 0.1);
    /* Fondo muy tenue */
    color: #38bdf8;
    /* Texto azul brillante */
    border: 1px solid rgba(56, 189, 248, 0.3);
    /* Borde sutil */
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-edit:hover {
    background: #0ea5e9;
    /* Se ilumina al pasar el mouse */
    color: #000;
    /* Texto negro para contraste */
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

/* Botón Eliminar (Estilo Rojizo Profundo) */
.btn-delete {
    padding: 6px 14px;
    background: rgba(248, 113, 113, 0.1);
    /* Fondo rojizo tenue */
    color: #f87171;
    /* Texto rojo suave */
    border: 1px solid rgba(248, 113, 113, 0.3);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 5px;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background: #ef4444;
    /* Rojo sólido */
    color: #fff;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* --- Páginas de Formulario (Agregar/Editar) --- */
.form-card {
    background: var(--surface);
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    margin: 50px auto;
}

.form-card h2 {
    margin-top: 0;
    font-weight: 300;
    letter-spacing: 2px;
    color: #fff;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 8px;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: white;
    border-radius: 6px;
    box-sizing: border-box;
}

.form-group input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(197, 164, 126, 0.2);
}

/* --- Paginación --- */
.paginacion {
    margin: 40px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
}

.paginacion button {
    padding: 10px 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: 0.3s;
}

.paginacion button:hover:not(:disabled) {
    border-color: var(--accent);
    background: var(--accent);
    color: black;
}

.paginacion button:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

#pageInfo {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Scrollbar Personalizado (para look pro) --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

@media (max-width: 900px) {
    .admin-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: -1;
    }
}