/* ============================================
   LOGIN — Simbiopark
============================================ */

body {
    background: var(--bg-body, #f3f4f6);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-card {
    width: 100%;
    max-width: 420px;
    margin: 1rem;
    background: white;
    padding: 2.5rem 2.2rem;
    border-radius: var(--radius-lg, 16px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    border: 1px solid rgba(226, 232, 240, 0.9);
}

/* Logo */
.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo img {
    width: 200px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Campos */
.login-card .form-group {
    margin-bottom: 1.2rem;
}

.login-card .form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    color: #374151;
    margin-bottom: 0.3rem;
}

.login-card .form-group input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius-md, 10px);
    border: 1px solid #cbd5e1;
    font-size: 0.95rem;
    background: #fff;
    color: #111827;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--primary, #2563eb);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Botón login */
.login-btn {
    display: block;
    width: 100%;
    padding: 0.8rem;
    margin-top: 0.5rem;
    background: var(--primary, #2563eb);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md, 10px);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.login-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
}

/* Mensaje de error */
.login-error {
    margin-top: 1rem;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-md, 10px);
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    text-align: center;
    font-weight: 600;
    font-size: 0.88rem;
    display: none;
}

/* Shake animation en error */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 50%, 90% { transform: translateX(-6px); }
    30%, 70% { transform: translateX(6px); }
}

.login-card.shake {
    animation: shake 0.4s ease-in-out;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        max-width: calc(100vw - 2rem);
        margin: 0.75rem;
        padding: 1.8rem 1.4rem;
    }

    .login-logo img {
        width: 160px;
    }
}