/* NSL Berlin Portal - Auth Styles
 * Login & Registrierung
 */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

/* Background Animation */
.auth-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--color-bg-primary);
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-accent-primary), transparent);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--color-accent-secondary), transparent);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.glow-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8b5cf6, transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.3;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 420px;
    z-index: 1;
}

.auth-card {
    background: rgba(17, 24, 32, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.auth-logo .logo-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.auth-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-form .form-group {
    margin-bottom: 0;
}

.auth-form .form-input {
    background: var(--color-bg-primary);
    height: 50px;
}

.auth-form .form-input:focus {
    background: var(--color-bg-tertiary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-sm);
}

.forgot-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--color-accent-primary);
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-text-primary);
}

.auth-form .btn {
    height: 50px;
    margin-top: var(--spacing-sm);
}

.auth-form .btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), #00b894);
    font-size: var(--font-size-base);
}

.auth-form .btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #00f0c0, var(--color-accent-primary));
    transform: translateY(-1px);
}

.auth-form .btn-secondary {
    background: transparent;
    margin-top: var(--spacing-xs);
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Auth Alerts */
.auth-card .alert {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .auth-logo {
        width: 64px;
        height: 64px;
    }
    
    .auth-logo .logo-icon {
        font-size: 2rem;
    }
    
    .auth-title {
        font-size: var(--font-size-xl);
    }
}