/* ============================================================
   log_in.css  –  Panel de administración / Login y Registro
   Aplica a: admin/index.php, admin/registro.php
   Nota: log_in.php y logout.php no generan HTML, solo
         procesan lógica y redirigen, por lo que este CSS
         no les aplica ni les hace falta.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Lato:wght@300;400;700&display=swap');

/* ── Variables (mismas que portal.css) ─────────────────────── */
:root {
    --bg:           #f5f0e8;
    --bg-card:      #fffdf8;
    --accent:       #b07d4f;
    --accent-dark:  #8a5e35;
    --text:         #2c2218;
    --text-muted:   #7a6a58;
    --border:       #e0d5c5;
    --shadow:       rgba(80, 50, 20, 0.10);
    --shadow-hover: rgba(80, 50, 20, 0.22);
    --radius:       14px;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Lato', sans-serif;
    --transition:   0.28s cubic-bezier(.4, 0, .2, 1);
}

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

/* ── Body — mismo fondo texturizado que portal.css ─────────── */
body {
    font-family: var(--font-body);
    background-color: var(--bg);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Tarjeta central de login ───────────────────────────────── */
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 40px var(--shadow);
    width: 100%;
    max-width: 400px;
    padding: 2.8rem 2.4rem 2.4rem;
    animation: fadeUp 0.45s cubic-bezier(.4, 0, .2, 1) both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Título ─────────────────────────────────────────────────── */
.login-card__titulo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    text-align: center;
    letter-spacing: 0.02em;
    margin-bottom: 0.3rem;
}

.login-card__subtitulo {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

/* Separador decorativo bajo el título */
.login-card__titulo::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--accent);
    margin: 0.6rem auto 0;
    border-radius: 2px;
}

/* ── Campos del formulario ──────────────────────────────────── */
.login-campo {
    margin-bottom: 1.4rem;
}

.login-campo label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.45rem;
}

.login-campo input[type="text"],
.login-campo input[type="password"],
.login-campo input[type="email"] {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.login-campo input[type="text"]:focus,
.login-campo input[type="password"]:focus,
.login-campo input[type="email"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(176, 125, 79, 0.15);
}

.login-campo input::placeholder {
    color: #c5b8a8;
}

/* ── Enlace registrar usuario ───────────────────────────────── */
.login-registro {
    display: block;
    text-align: center;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    margin-bottom: 1.6rem;
    transition: color var(--transition);
}

.login-registro:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

/* ── Botones ────────────────────────────────────────────────── */
.login-botones {
    display: flex;
    gap: 12px;
}

.btn-acceder,
.btn-volver {
    flex: 1;
    padding: 12px 0;
    border-radius: 40px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Botón primario — Acceder */
.btn-acceder {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 18px rgba(176, 125, 79, 0.28);
}

.btn-acceder:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(176, 125, 79, 0.38);
}

/* Botón secundario — Volver */
.btn-volver {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-volver:hover {
    background: var(--bg);
    color: var(--text);
    border-color: var(--accent);
}

/* ── Mensaje de error ───────────────────────────────────────── */
.login-error {
    margin-top: 1.4rem;
    padding: 10px 14px;
    background: #fff3f0;
    border: 1px solid #f5c2b8;
    border-radius: 8px;
    color: #b33a25;
    font-size: 0.88rem;
    text-align: center;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 480px) {
    .login-card {
        margin: 1.5rem;
        padding: 2rem 1.6rem;
    }

    .login-botones {
        flex-direction: column;
    }
}