/* Estilos para los formularios de autenticación - v4 (Refinamiento final) */
.auth-section {
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Alinea la tarjeta arriba */
    min-height: calc(100vh - 70px); /* Asume solo altura del footer */
    padding: 15vh 15px 40px 15px; /* Más espacio arriba (15% de la altura) */
    /* Paleta de la landing */
    background:
      radial-gradient(800px 500px at 50% -10%, rgba(0, 184, 255, 0.10), transparent 60%),
      linear-gradient(180deg, rgba(0, 26, 53, 0.75) 0%, rgba(0, 34, 61, 0.95) 100%);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

/* Grid sutil animado como en la landing */
.auth-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(0, 184, 255, 0.08) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0, 184, 255, 0.08) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
    animation: pan-grid 20s linear infinite;
    pointer-events: none;
}

.auth-container {
    max-width: 420px;
    width: 100%;
}

.auth-container { animation: fadeInUp 0.8s ease both; }

.auth-card {
    background: linear-gradient(145deg, rgba(0, 34, 61, 0.66), rgba(0, 26, 53, 0.66));
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(0, 184, 255, 0.20);
    backdrop-filter: blur(12px);
    position: relative;
}

.auth-card:hover { box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45); border-color: rgba(0, 184, 255, 0.35); }

/* Resplandor sutil alrededor de la tarjeta en hover */
.auth-card::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 18px;
    background: radial-gradient(180px 180px at 50% 0%, rgba(0, 184, 255, 0.20), rgba(0, 184, 255, 0.0) 60%);
    filter: blur(18px);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.auth-card:hover::before { opacity: 1; }

.auth-card h2 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
}

.auth-card .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
    margin-bottom: 2rem;
}

.auth-card .form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.auth-card .input-group {
    border-radius: 10px;
    border: 1px solid rgba(0, 184, 255, 0.20);
    background: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.15));
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.auth-card .input-group:hover {
    border-color: rgba(0, 184, 255, 0.35);
}

.auth-card .input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 184, 255, 0.25);
    transform: translateY(-1px);
}

.auth-card .input-group .input-group-text {
    background-color: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.65);
    padding-left: 15px;
}

.auth-card .input-group:focus-within .input-group-text { color: var(--primary-color); }

.auth-card .input-group .form-control {
    background-color: transparent;
    border: none;
    color: #fff;
    padding: 12px 15px 12px 10px; /* Añadido padding izquierdo */
}

.auth-card .input-group .form-control::placeholder {
    color: rgba(255, 255, 255, 0.65); /* Placeholder más legible */
}

.auth-card .input-group .form-control:focus {
    box-shadow: none;
}

/* Evitar el fondo amarillo de autofill */
.auth-card input:-webkit-autofill,
.auth-card input:-webkit-autofill:hover,
.auth-card input:-webkit-autofill:focus {
    -webkit-text-fill-color: #fff;
    transition: background-color 5000s ease-in-out 0s;
    box-shadow: 0 0 0px 1000px transparent inset;
}

.auth-card .btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--dark-background) !important;
    padding: 12px;
    font-weight: 700;
    border-radius: 10px;
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-shadow: 0 0 0 rgba(0, 184, 255, 0);
}

.auth-card .btn-primary:hover {
    background-color: var(--button-hover) !important;
    border-color: var(--button-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 184, 255, 0.35);
}

.auth-card .auth-links {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.auth-card .auth-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-card .auth-links a:hover {
    text-decoration: underline;
}

/* Estilo para el texto de ayuda (ej. requisitos de contraseña) */
.auth-card .form-text {
    color: rgba(255, 255, 255, 0.75) !important; /* Aumentar contraste */
    font-size: 0.85rem;
    text-align: left;
    padding-left: 5px; /* Pequeña alineación con los inputs */
}

/* Eliminamos dependencias de [data-bs-theme] para que tome siempre la paleta de landing */