/* login.css - Estilos para la página de login */

body {
    background: #2C0101;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(139,0,0,0.5) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(139,0,0,0.3) 0%, transparent 50%),
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: auto, auto, 40px 40px, 40px 40px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    animation: fadeIn 0.4s ease;
}

.input-field {
    width: 100%;
    border: 1.5px solid #e2e6ea;
    border-radius: 10px;
    padding: 11px 42px 11px 38px;
    font-size: 0.9rem;
    color: #1a1a2e;
    background: #f0f2f7;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.input-field:focus {
    border-color: #8B0000;
    box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.10);
    background: #fff;
}

.input-field:disabled {
    background: #e5e7eb;
    cursor: not-allowed;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.login-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: none;
}

.btn-login {
    transition: all 0.2s ease;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.alert-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-success {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

/* Responsive */
@media (max-width: 640px) {
    .login-card {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .input-field {
        padding: 9px 36px 9px 32px;
        font-size: 0.85rem;
    }
}