/* Authentication Pages Styling */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 70%),
                radial-gradient(ellipse at 20% 80%, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
}

.auth-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-md);
}

.auth-card {
    background: rgba(26, 26, 46, 0.7);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    transition: var(--transition-slow);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.1), transparent, rgba(139, 92, 246, 0.1), transparent);
    animation: rotate 8s linear infinite;
    opacity: 0;
    transition: var(--transition-slow);
    z-index: -1;
}

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

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0, 212, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 400;
    margin: 0;
    letter-spacing: 0.5px;
}

.auth-form {
    margin-bottom: var(--spacing-xl);
}

/* Enhanced Form Elements */
.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.form-input {
    width: 100%;
    padding: var(--spacing-lg);
    background: rgba(21, 21, 32, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
}

.form-input:focus {
    outline: none;
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 
        0 0 0 4px rgba(0, 212, 255, 0.1),
        0 0 30px rgba(0, 212, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background: rgba(21, 21, 32, 0.8);
    transform: translateY(-2px);
}

.form-input:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(21, 21, 32, 0.7);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Password Input Container */
.password-input-container {
    position: relative;
}

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

.password-toggle:hover {
    color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.1);
}

.password-toggle-icon {
    font-size: 1rem;
    display: block;
}

/* Custom Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    background: transparent;
    position: relative;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--gradient-primary);
    border-color: var(--accent-blue);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Submit Button */
.auth-submit {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    color: white;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.auth-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-fast);
}

.auth-submit:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
}

.auth-submit:hover::before {
    left: 100%;
}

.auth-submit:active {
    transform: translateY(-1px) scale(1.01);
    transition: var(--transition-fast);
}

.auth-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Auth Links */
.auth-links {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.auth-link {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

.auth-link:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 8px currentColor;
}

.auth-link:last-child {
    margin-bottom: 0;
}

/* Auth Footer */
.auth-footer {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.security-badges {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.security-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    text-align: center;
}

.security-icon {
    font-size: 1.25rem;
    opacity: 0.8;
}

.security-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-danger {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--accent-red);
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--accent-green);
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--accent-blue);
}

.alert-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

/* Background Animation */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float var(--duration, 20s) var(--delay, 0s) linear infinite;
    opacity: 0.3;
}

.floating-element:nth-child(1) {
    top: 10%;
    left: 10%;
    width: 150px;
    height: 150px;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 10%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
}

.floating-element:nth-child(4) {
    top: 30%;
    right: 30%;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(255, 165, 2, 0.1) 0%, transparent 70%);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* Invite Code Input (for signup) */
.invite-code-input {
    font-family: var(--font-mono);
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
}

/* Two-Factor Authentication */
.two-factor-input {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 0.5rem;
    padding: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-sm);
    }
    
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .auth-logo {
        font-size: 2rem;
    }
    
    .security-badges {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .security-badge {
        flex-direction: row;
        justify-content: center;
    }
    
    .floating-element {
        width: 100px !important;
        height: 100px !important;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    .auth-card {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .form-input {
        background: rgba(17, 17, 17, 0.9);
    }
    
    .form-input:focus {
        background: rgba(17, 17, 17, 0.95);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .auth-card {
        border: 2px solid var(--accent-blue);
    }
    
    .form-input {
        border: 2px solid var(--border-primary);
    }
    
    .form-input:focus {
        border: 2px solid var(--accent-blue);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .floating-element {
        animation: none;
    }
    
    .animate-slide-in {
        animation: none;
    }
    
    .loading-spinner {
        animation: none;
    }
}