/* Authentication Pages Styling */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.auth-card {
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 48px;
    width: 100%;
    max-width: 440px;
    animation: slideUp 0.4s ease-out;
}

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

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.auth-logo img {
    width: 48px;
    height: 48px;
}

.auth-logo-text {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input.error {
    border-color: #ef4444;
}

.form-error {
    color: #ef4444;
    font-size: 13px;
    margin-top: 4px;
    display: none;
}

.form-error.show {
    display: block;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.alert.show {
    display: block;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.password-requirements {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.password-requirements ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.password-requirements li {
    margin: 4px 0;
}

.btn-auth {
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-auth:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.auth-link:hover {
    text-decoration: underline;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
}

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

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: 32px 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .auth-title {
        font-size: 24px;
    }
}

/* Dark mode adjustments */
body.dark-mode .auth-card {
    background: var(--bg-primary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

body.dark-mode .form-input {
    background: var(--bg-tertiary);
}

body.dark-mode .alert-error {
    background: #7f1d1d;
    color: #fecaca;
    border-color: #991b1b;
}

body.dark-mode .alert-success {
    background: #064e3b;
    color: #a7f3d0;
    border-color: #065f46;
}