/* ==============================================================================
   FOCUS3D - Auth Pages Styles
   Estils per a login i register
   ============================================================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

/* Efecte de fons animat */
.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Container */
.auth-container {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: var(--z-base);
}

.auth-box {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
}

.auth-box-large {
    max-width: 600px;
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 6px rgba(74, 222, 128, 0.3));
}

.auth-logo h1 {
    font-size: var(--font-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    font-size: var(--font-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Form */
.auth-form {
    margin-bottom: var(--spacing-lg);
}

.auth-form .form-group:last-of-type {
    margin-bottom: var(--spacing-xl);
}

.auth-form .form-control {
    background-color: var(--color-bg-primary);
    border-color: var(--color-bg-tertiary);
}

.auth-form .form-control:focus {
    background-color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

/* Links */
.auth-links {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-links p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
}

.auth-links a {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.auth-links a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Demo Info */
.demo-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--border-radius);
    text-align: center;
}

.demo-info p {
    margin: 0;
    font-size: var(--font-xs);
    color: var(--color-info);
    line-height: 1.8;
}

.demo-info p:first-child {
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-xs);
}

/* Responsive */
@media (max-width: 640px) {
    .auth-page {
        padding: var(--spacing-md);
    }
    
    .auth-box {
        padding: var(--spacing-xl);
    }
    
    .auth-logo h1 {
        font-size: var(--font-2xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Animacions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-box {
    animation: fadeInUp 0.5s ease;
}

/* Focus States Millorats */
.auth-form .form-control:focus {
    box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.15);
}

.auth-form .form-check-input:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Millores de UX */
.auth-form .btn-primary {
    position: relative;
    overflow: hidden;
}

.auth-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.auth-form .btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* Error States */
.form-control.error {
    border-color: var(--color-error);
}

.form-control.error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-xs);
    color: var(--color-error);
}

/* Success States */
.form-control.success {
    border-color: var(--color-success);
}

/* Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    margin-left: var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}