/* Authentication System CSS - Professional & Secure */
/* Built on top of the existing FATF Countries API design system */

/* Authentication Layout */
.auth-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--background-gray) 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    font-family: var(--font-system);
}

.auth-container {
    background: var(--background-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-light);
    position: relative;
}

/* Back Navigation */
.back-nav {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    color: var(--slate-gray);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}

.back-nav:hover {
    color: var(--primary-blue);
    background: var(--background-white);
    text-decoration: none;
    transform: translateX(-2px);
}

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

.auth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--navy-blue));
    color: white;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.auth-title {
    color: var(--primary-dark);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    color: var(--light-slate);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 0;
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group:last-child {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--slate-gray);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-label.required::after {
    content: " *";
    color: var(--danger-red);
}

.form-control {
    width: 100%;
    padding: 12px var(--spacing-sm);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-system);
    transition: var(--transition-fast);
    background-color: var(--background-white);
    color: var(--slate-gray);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    background-color: var(--background-white);
}

.form-control.error {
    border-color: var(--danger-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-control.success {
    border-color: var(--success-green);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-control:disabled {
    background-color: var(--background-gray);
    color: var(--light-slate);
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--light-slate);
    font-style: italic;
}

/* Input Groups */
.input-group {
    position: relative;
}

.input-group .form-control {
    padding-right: 40px;
}

.input-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-slate);
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.input-icon:hover {
    color: var(--primary-blue);
}

/* Password Strength Indicator */
.password-strength {
    margin-top: var(--spacing-xs);
}

.strength-meter {
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.strength-fill {
    height: 100%;
    transition: var(--transition-normal);
    border-radius: 2px;
}

.strength-fill.weak {
    width: 25%;
    background: var(--danger-red);
}

.strength-fill.fair {
    width: 50%;
    background: var(--warning-amber);
}

.strength-fill.good {
    width: 75%;
    background: #059669;
}

.strength-fill.strong {
    width: 100%;
    background: var(--success-green);
}

.strength-text {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.strength-text.weak {
    color: var(--danger-red);
}

.strength-text.fair {
    color: var(--warning-amber);
}

.strength-text.good {
    color: #059669;
}

.strength-text.strong {
    color: var(--success-green);
}

.password-requirements {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--background-gray);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.requirement {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    margin-bottom: 4px;
    color: var(--light-slate);
}

.requirement:last-child {
    margin-bottom: 0;
}

.requirement.met {
    color: var(--success-green);
}

.requirement-icon {
    width: 12px;
    height: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Error and Success Messages */
.form-error {
    margin-top: var(--spacing-xs);
    color: var(--danger-red);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-success {
    margin-top: var(--spacing-xs);
    color: var(--success-green);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.5;
}

.alert-error {
    background: #fef2f2;
    border-color: #fecaca;
    color: var(--danger-red);
}

.alert-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: var(--success-green);
}

.alert-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: var(--warning-amber);
}

.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: var(--primary-blue);
}

.alert-icon {
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-dismiss {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-sm);
    opacity: 0.7;
    transition: var(--transition-fast);
}

.alert-dismiss:hover {
    opacity: 1;
}

/* Buttons */
.btn-auth {
    width: 100%;
    padding: 14px var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-system);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--navy-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

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

.btn-auth:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-auth .btn-text {
    transition: var(--transition-fast);
}

.btn-auth.loading .btn-text {
    opacity: 0;
}

.btn-auth.loading .loading-overlay {
    opacity: 1;
}

.btn-auth:not(.loading) .loading-overlay {
    opacity: 0;
    pointer-events: none;
}

/* Links */
.auth-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.auth-link:hover {
    color: var(--navy-blue);
    text-decoration: underline;
}

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

.auth-links p {
    color: var(--light-slate);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--light-slate);
    font-size: 0.875rem;
}

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

.auth-divider::before {
    margin-right: var(--spacing-md);
}

.auth-divider::after {
    margin-left: var(--spacing-md);
}

/* Dashboard Layout */
.dashboard-wrapper {
    min-height: 100vh;
    background: var(--background-gray);
}

.dashboard-header {
    background: var(--background-white);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.dashboard-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dashboard-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1.25rem;
}

.dashboard-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 2px;
}

.user-email {
    font-size: 0.875rem;
    color: var(--light-slate);
}

.logout-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--light-slate);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logout-btn:hover {
    background: var(--danger-red);
    border-color: var(--danger-red);
    color: white;
}

.dashboard-main {
    padding: var(--spacing-xl) 0;
}

.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.dashboard-title {
    color: var(--primary-dark);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.dashboard-subtitle {
    color: var(--light-slate);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

/* Cards */
.card {
    background: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    color: var(--primary-dark);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.card-action {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.card-action:hover {
    background: var(--navy-blue);
}

.card-content {
    color: var(--slate-gray);
    line-height: 1.6;
}

/* API Key Display */
.api-key-display {
    background: var(--primary-dark);
    color: #f1f5f9;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    word-break: break-all;
    position: relative;
    border: 1px solid #334155;
    margin: var(--spacing-md) 0;
}

.api-key-actions {
    display: flex;
    gap: var(--spacing-xs);
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
}

.copy-btn,
.regenerate-btn {
    padding: 4px 8px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: var(--navy-blue);
}

.regenerate-btn {
    background: var(--warning-amber);
}

.regenerate-btn:hover {
    background: #d97706;
}

/* Usage Statistics */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.usage-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--background-gray);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.usage-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.usage-label {
    color: var(--light-slate);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.usage-bar {
    height: 6px;
    background: var(--border-light);
    border-radius: 3px;
    margin-top: var(--spacing-sm);
    overflow: hidden;
}

.usage-fill {
    height: 100%;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.usage-fill.warning {
    background: var(--warning-amber);
}

.usage-fill.danger {
    background: var(--danger-red);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-wrapper {
        padding: var(--spacing-md);
    }
    
    .auth-container {
        padding: var(--spacing-lg);
        max-width: 100%;
    }
    
    .back-nav {
        position: static;
        margin-bottom: var(--spacing-md);
        align-self: flex-start;
    }
    
    .dashboard-nav {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .dashboard-user {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .user-info {
        text-align: center;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .api-key-actions {
        position: static;
        margin-top: var(--spacing-sm);
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-md);
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .auth-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .dashboard-container {
        padding: 0 var(--spacing-sm);
    }
    
    .dashboard-title {
        font-size: 1.5rem;
    }
    
    .card {
        padding: var(--spacing-md);
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Management */
.form-control:focus,
.btn-auth:focus,
.auth-link:focus,
.card-action:focus,
.copy-btn:focus,
.regenerate-btn:focus,
.logout-btn:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .auth-container {
        border: 2px solid var(--primary-dark);
    }
    
    .form-control {
        border-width: 3px;
    }
    
    .btn-auth {
        border: 2px solid currentColor;
    }
}

/* Print Styles */
@media print {
    .auth-wrapper,
    .dashboard-wrapper {
        background: white !important;
    }
    
    .back-nav,
    .logout-btn,
    .card-action,
    .copy-btn,
    .regenerate-btn {
        display: none !important;
    }
}