/* Settings Page - Dark Theme */

/* Settings Container */
.settings-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Settings Header */
.settings-header {
    margin-bottom: 2.5rem;
}

.settings-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.settings-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Tab Navigation */
.settings-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.settings-tabs::-webkit-scrollbar {
    height: 4px;
}

.settings-tabs::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.settings-tabs::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 2px;
}

.settings-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.settings-tab:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.05);
}

.settings-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
    font-weight: 600;
}

.settings-tab-icon {
    font-size: 1.1rem;
}

/* Tab Content */
.settings-content {
    position: relative;
}

.settings-tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.settings-tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Cards */
.settings-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.settings-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

/* Form Elements */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.settings-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-form-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.settings-form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.settings-form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.settings-form-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.settings-form-error {
    font-size: 0.85rem;
    color: var(--accent-red);
    display: none;
}

.settings-form-error.visible {
    display: block;
}

/* Buttons */
.settings-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.settings-btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.settings-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.settings-btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.settings-btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue);
}

.settings-btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

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

.settings-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.settings-btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Current Plan Display */
.current-plan-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.current-plan-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.current-plan-badge-icon {
    font-size: 2rem;
}

.current-plan-info {
    flex: 1;
}

.current-plan-tier {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.current-plan-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Usage Stats */
.usage-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.usage-stat-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.usage-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.usage-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.5);
}

.usage-stat-card:hover::before {
    opacity: 1;
}

.usage-stat-label {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

.usage-stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.usage-stat-unlimited-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 20px;
    font-size: 0.7rem;
    color: #60a5fa;
    font-weight: 600;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

.usage-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.usage-stat-bar {
    width: 100%;
    height: 6px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.75rem;
}

.usage-stat-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transition: width 0.5s ease;
    border-radius: 3px;
}

/* Progress bar color variations based on usage */
.usage-stat-card.usage-low .usage-stat-progress {
    background: linear-gradient(90deg, #22c55e, #10d9a6);
}

.usage-stat-card.usage-medium .usage-stat-progress {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.usage-stat-card.usage-warning .usage-stat-progress {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.usage-stat-card.usage-critical .usage-stat-progress {
    background: linear-gradient(90deg, #ef4444, #dc2626);
    animation: criticalPulse 2s ease-in-out infinite;
}

.usage-stat-card.usage-unlimited {
    border-color: rgba(139, 92, 246, 0.3);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.usage-stat-card.usage-unlimited .usage-stat-value {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Border highlights for warning states */
.usage-stat-card.usage-warning {
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.1);
}

.usage-stat-card.usage-critical {
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.usage-stat-card.usage-critical:hover {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.3);
}

/* Critical usage animation */
@keyframes criticalPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Plan Cards */
.plan-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.plan-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border-color: rgba(59, 130, 246, 0.3);
}

.plan-card.recommended {
    border: 2px solid var(--accent-blue);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
}

.plan-card.current {
    opacity: 0.7;
    cursor: not-allowed;
}

.plan-card.current:hover {
    transform: none;
}

.plan-recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.plan-card-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
    position: relative;
    display: inline-block;
}

.plan-price::after {
    content: attr(data-price);
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.3) 0%, rgba(167, 139, 250, 0.3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(8px);
    z-index: -1;
    opacity: 0.6;
}

.plan-price-period {
    font-size: 0.9rem;
    color: #9ca3af;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.plan-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(100, 116, 139, 0.15);
    font-size: 0.95rem;
    color: #ffffff !important;
    font-weight: 500;
}

.plan-feature:last-child {
    border-bottom: none;
}

.plan-feature-icon {
    color: #22c55e;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.plan-card-button {
    width: 100%;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.plan-card-button.loading {
    pointer-events: none;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.6), rgba(139, 92, 246, 0.6));
}

.button-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
}

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

/* Plan card loading state */
.plan-card-loading {
    position: relative;
    pointer-events: none;
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.plan-card-loading .plan-features,
.plan-card-loading .plan-card-header {
    opacity: 0.6;
}

/* Billing Table */
.billing-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.billing-table th {
    text-align: left;
    padding: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.billing-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
    color: var(--text-primary);
}

.billing-table tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

.billing-status {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.billing-status.paid {
    background: rgba(34, 211, 166, 0.1);
    color: var(--accent-green);
}

.billing-status.pending {
    background: rgba(250, 204, 21, 0.1);
    color: var(--accent-yellow);
}

.billing-status.failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

/* Payment Method */
.payment-method-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.payment-method-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.payment-method-icon {
    font-size: 2rem;
}

.payment-method-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.payment-method-type {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.payment-method-last4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(100, 116, 139, 0.3);
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

.preference-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
}

.preference-row:last-child {
    border-bottom: none;
}

.preference-info {
    flex: 1;
}

.preference-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.preference-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Danger Zone */
.danger-zone {
    background: rgba(239, 68, 68, 0.05);
    border: 2px solid var(--accent-red);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.danger-zone-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-red);
    margin-bottom: 1rem;
}

.danger-zone-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.danger-zone-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1rem;
}

/* Loading State */
.settings-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.settings-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .plan-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .settings-container {
        padding: 1rem;
    }

    .settings-title {
        font-size: 1.5rem;
    }

    .settings-section {
        padding: 1.5rem;
    }

    .plan-cards-grid {
        grid-template-columns: 1fr;
    }

    .usage-stats-grid {
        grid-template-columns: 1fr;
    }

    .current-plan-card {
        flex-direction: column;
        text-align: center;
    }

    .settings-btn-group {
        flex-direction: column;
    }

    .settings-btn-group .settings-btn {
        width: 100%;
    }

    .billing-table {
        font-size: 0.85rem;
    }

    .billing-table th,
    .billing-table td {
        padding: 0.75rem 0.5rem;
    }

    .payment-method-card {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .settings-tabs {
        gap: 0.25rem;
    }

    .settings-tab {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .settings-tab-icon {
        font-size: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .settings-tab-panel,
    .plan-card,
    .settings-btn-primary,
    .toggle-slider,
    .toggle-slider:before,
    .usage-stat-progress {
        transition: none;
        animation: none;
    }

    .settings-spinner {
        animation: none;
        border-top-color: transparent;
    }

    .usage-stat-card.usage-critical .usage-stat-progress {
        animation: none;
    }
}