/* ==========================================================================
   1. RESET & VARIABLES GLOBALES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --color-principal: #1e293b; /* Azul pizarra oscuro */
    --color-secundario: #0f172a; /* Azul casi negro */
    --color-acento: #10b981; /* Verde esmeralda (Éxito/Altas) */
    --color-peligro: #ef4444; /* Rojo (Bajas/Salir) */
    --color-fondo: #f8fafc; /* Gris muy claro */
    --color-tarjeta: #ffffff;
    --texto-oscuro: #334155;
    --texto-claro: #f1f5f9;
    --borde: #e2e8f0;
}

body {
    background-color: var(--color-fondo);
    color: var(--texto-oscuro);
    min-height: 100vh;
}

/* ==========================================================================
   2. DISEÑO DEL LOGIN (PANTALLA COMPLETA)
   ========================================================================== */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, var(--color-secundario) 0%, var(--color-principal) 100%);
}

.login-container {
    background-color: var(--color-tarjeta);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-principal);
    font-size: 1.6rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--borde);
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--color-principal);
}

.btn-login {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-acento);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-login:hover {
    background-color: #059669;
}

/* ==========================================================================
   3. MENÚ DE NAVEGACIÓN (NAVBAR)
   ========================================================================== */
.navbar {
    background-color: var(--color-principal);
    color: var(--texto-claro);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 1.2rem;
}

.menu-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.menu-links a {
    color: var(--texto-claro);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.menu-links a:hover {
    color: var(--color-acento);
}

/* ==========================================================================
   4. MAQUETACIÓN DE CONTENIDO (PÁGINAS INTERNAS)
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.page-title {
    margin-bottom: 1.5rem;
    color: var(--color-principal);
    border-bottom: 2px solid var(--borde);
    padding-bottom: 0.5rem;
}

/* Tarjetas para los Formularios de Altas, Mantenimiento, etc. */
.card-form {
    background-color: var(--color-tarjeta);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   5. GRID DEL PARKING (GALERÍA DE AUTOS)
   ========================================================================== */
.parking-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.coche-card {
    background-color: var(--color-tarjeta);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid var(--borde);
    display: flex;
    flex-direction: column;
}

.coche-img {
    width: 100%;
    height: 180px;
    object-fit: cover; /* Ajusta la imagen sin deformarla */
    background-color: #e2e8f0;
}

.coche-info {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.coche-placa {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--color-principal);
    background-color: #f1f5f9;
    padding: 0.25rem 0.5rem;
    display: inline-block;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.coche-modelo {
    font-size: 1rem;
    color: var(--texto-oscuro);
    margin-bottom: 1rem;
}

/* Botones de acción dentro de las tarjetas */
.btn-action {
    display: block;
    text-align: center;
    padding: 0.6rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: opacity 0.2s;
}

.btn-action:hover {
    opacity: 0.9;
}

.btn-baja {
    background-color: var(--color-peligro);
    color: white;
}