/**
 * WorkNest UTM Tracker - Main Stylesheet
 * Premium design matching HTML mockups
 */

:root {
    /* WorkNest Brand Colors */
    --primary: #612578;
    --primary-dark: #2f2441;
    --primary-light: #AB5C9F;
    --primary-pale: #F5EEF8;
    --primary-gradient: linear-gradient(135deg, #AB5C9F 0%, #612578 100%);
    --selected-gradient: linear-gradient(135deg, #F5EEF8 0%, #EDE0F2 100%);
    
    /* Business Area Colors */
    --people-color: #2563EB;
    --people-light: #DBEAFE;
    --secure-color: #059669;
    --secure-light: #D1FAE5;
    
    /* Neutrals */
    --gray-900: #1a1a2e;
    --gray-800: #2d2d44;
    --gray-700: #4a4a5a;
    --gray-600: #6b7280;
    --gray-500: #9ca3af;
    --gray-400: #b4b4c0;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    
    /* Semantic */
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #DC2626;
    --error-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-purple: 0 4px 14px rgba(97,37,120,0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(180deg, var(--gray-50) 0%, #ece8ef 100%);
    min-height: 100vh;
    color: var(--gray-900);
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

/* ==================== HEADER ==================== */
.header {
    background: var(--primary-dark);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 800;
    overflow: hidden;
}

.logo-icon img {
    max-height: 30px;
    width: auto;
}

.logo-text {
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.logo-text span {
    color: var(--primary-light);
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-stats {
    display: flex;
    gap: 24px;
    margin-right: 24px;
}

.header-stat {
    text-align: center;
}

.header-stat-value {
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.header-stat-label {
    color: var(--gray-400);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.user-menu:hover {
    background: rgba(255,255,255,0.15);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
}

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

.user-name {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.user-role {
    color: var(--gray-400);
    font-size: 11px;
}

/* ==================== NAVIGATION ==================== */
.nav-tabs {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
    display: flex;
    gap: 8px;
}

.nav-tab {
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.nav-tab:hover {
    color: var(--primary);
}

.nav-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-tab-badge {
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}

/* ==================== MAIN CONTAINER ==================== */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
}

.page-subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-purple);
}

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

.btn-secondary:hover {
    background: var(--primary-pale);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}

.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
}

/* ==================== CARDS ==================== */
.card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.card-body {
    padding: 24px;
}

/* ==================== BUILDER LAYOUT ==================== */
.builder-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 24px;
}

@media (max-width: 1100px) {
    .builder-grid { grid-template-columns: 1fr; }
}

/* ==================== FORM ELEMENTS ==================== */
.form-section {
    margin-bottom: 24px;
}

.form-section-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section-title .required {
    color: var(--error);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 600px) {
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-input, .form-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
    background: white;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(97,37,120,0.1);
}

.form-input.error {
    border-color: var(--error);
}

.form-input.success {
    border-color: var(--success);
}

.form-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: 4px;
}

/* Custom Select */
.custom-select {
    position: relative;
}

.custom-select select {
    width: 100%;
    padding: 12px 40px 12px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    cursor: pointer;
    appearance: none;
    transition: all 0.2s;
}

.custom-select select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(97,37,120,0.1);
}

.custom-select::after {
    content: '▼';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--gray-400);
    pointer-events: none;
}

/* ==================== BUSINESS AREA SELECTOR ==================== */
.area-selector {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.area-option {
    flex: 1;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.area-option:hover {
    border-color: var(--primary-light);
}

.area-option.active.people {
    border-color: var(--people-color);
    background: var(--people-light);
}

.area-option.active.secure {
    border-color: var(--secure-color);
    background: var(--secure-light);
}

.area-option-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.area-option-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-900);
}

.area-option-desc {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ==================== URL INPUT ==================== */
.url-input-wrapper {
    position: relative;
}

.url-input-wrapper .form-input {
    padding-right: 110px;
}

.url-status {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
}

.url-status.valid { color: var(--success); }
.url-status.invalid { color: var(--error); }
.url-status.checking { color: var(--gray-400); }

/* ==================== CAMPAIGN BUILDER ==================== */
.campaign-builder {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.campaign-builder.people {
    background: var(--people-light);
    border-color: var(--people-color);
}

.campaign-builder.secure {
    background: var(--secure-light);
    border-color: var(--secure-color);
}

.campaign-builder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.campaign-builder-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 8px;
}

.campaign-builder-pattern {
    font-size: 11px;
    color: var(--gray-500);
    font-family: monospace;
}

.campaign-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.campaign-slot select {
    padding: 10px 32px 10px 12px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    background: white;
    cursor: pointer;
    appearance: none;
    min-width: 130px;
}

.campaign-slot select:focus {
    outline: none;
    border-color: var(--primary);
}

.campaign-separator {
    color: var(--gray-400);
    font-weight: 700;
    font-size: 16px;
}

.campaign-preview {
    margin-top: 12px;
    padding: 12px 16px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 13px;
    color: var(--primary);
    word-break: break-all;
}

/* ==================== PREVIEW PANEL ==================== */
.preview-panel {
    position: sticky;
    top: 88px;
}

.preview-url {
    background: var(--gray-900);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.preview-url-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.preview-url-text {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 12px;
    color: #7dd3fc;
    word-break: break-all;
    line-height: 1.6;
}

.preview-url-text .param { color: #fcd34d; }
.preview-url-text .value { color: #86efac; }

/* Short Link */
.short-link-preview {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    padding: 20px;
    color: white;
    margin-bottom: 16px;
}

.short-link-preview.people {
    background: linear-gradient(135deg, var(--people-color) 0%, #1D4ED8 100%);
}

.short-link-preview.secure {
    background: linear-gradient(135deg, var(--secure-color) 0%, #047857 100%);
}

.short-link-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.short-link-url {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 15px;
    font-weight: 600;
}

.short-link-input {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.short-link-input input {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 14px;
}

.short-link-input input::placeholder {
    color: rgba(255,255,255,0.5);
}

.short-link-input input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.4);
}

/* Preview Actions */
.preview-actions {
    display: flex;
    gap: 12px;
}

.preview-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Duplicate Warning */
.duplicate-warning {
    background: var(--warning-light);
    border: 1px solid var(--warning);
    border-radius: 10px;
    padding: 14px 16px;
    margin-top: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: fadeIn 0.3s ease;
}

.duplicate-warning-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.duplicate-warning-content h4 {
    font-size: 14px;
    font-weight: 700;
    color: #92400E;
    margin-bottom: 4px;
}

.duplicate-warning-content p {
    font-size: 13px;
    color: #A16207;
}

/* ==================== LINK HUB FILTERS ==================== */
.hub-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-tabs {
    display: flex;
    background: var(--gray-100);
    border-radius: 10px;
    padding: 4px;
}

.filter-tab {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    text-decoration: none;
}

.filter-tab:hover { color: var(--primary); }

.filter-tab.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.filter-tab-count {
    margin-left: 6px;
    font-size: 11px;
    background: var(--gray-200);
    padding: 2px 6px;
    border-radius: 6px;
}

.filter-tab.active .filter-tab-count {
    background: var(--primary-pale);
    color: var(--primary);
}

.search-box {
    flex: 1;
    position: relative;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-box-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.filter-dropdown select {
    padding: 10px 36px 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: white;
    appearance: none;
    cursor: pointer;
}

/* ==================== LINK CARDS ==================== */
.links-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-card {
    background: white;
    border: 2px solid var(--gray-100);
    border-radius: 14px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
    animation: fadeIn 0.3s ease;
}

.link-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.link-card.people {
    border-left: 4px solid var(--people-color);
}

.link-card.secure {
    border-left: 4px solid var(--secure-color);
}

.link-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.link-icon.people {
    background: var(--people-light);
}

.link-icon.secure {
    background: var(--secure-light);
}

.link-info {
    flex: 1;
    min-width: 0;
}

.link-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.link-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
}

.link-badge.people {
    background: var(--people-light);
    color: var(--people-color);
}

.link-badge.secure {
    background: var(--secure-light);
    color: var(--secure-color);
}

.link-short-url {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 6px;
}

.link-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--gray-500);
}

.link-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.link-stats {
    display: flex;
    gap: 24px;
    flex-shrink: 0;
}

.link-stat {
    text-align: center;
}

.link-stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.link-stat-label {
    font-size: 11px;
    color: var(--gray-500);
}

.link-stat-trend {
    font-size: 11px;
    font-weight: 600;
}

.link-stat-trend.up { color: var(--success); }
.link-stat-trend.down { color: var(--error); }

.link-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.link-action-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s;
}

.link-action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-pale);
}

/* ==================== ANALYTICS ==================== */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

@media (max-width: 1024px) {
    .analytics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .analytics-grid { grid-template-columns: 1fr; }
}

.stat-card {
    background: white;
    border-radius: 14px;
    padding: 20px;
    border: 1px solid var(--gray-100);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-card-icon.purple { background: var(--primary-pale); }
.stat-card-icon.green { background: var(--success-light); }
.stat-card-icon.blue { background: var(--info-light); }
.stat-card-icon.yellow { background: var(--warning-light); }

.stat-card-trend {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}

.stat-card-trend.up {
    background: var(--success-light);
    color: var(--success);
}

.stat-card-trend.down {
    background: var(--error-light);
    color: var(--error);
}

.stat-card-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.stat-card-label {
    font-size: 13px;
    color: var(--gray-500);
}

/* Charts */
.chart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 900px) {
    .chart-grid { grid-template-columns: 1fr; }
}

.chart-container {
    background: white;
    border-radius: 14px;
    padding: 24px;
    border: 1px solid var(--gray-100);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
}

.chart-legend {
    display: flex;
    gap: 16px;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-600);
}

.chart-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.bar-chart {
    display: flex;
    gap: 8px;
    height: 200px;
    align-items: flex-end;
    padding: 20px 0;
}

.bar-chart-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.bar-chart-bar {
    width: 100%;
    max-width: 40px;
    background: var(--primary-gradient);
    border-radius: 6px 6px 0 0;
    transition: all 0.3s ease;
    min-height: 4px;
}

.bar-chart-label {
    font-size: 11px;
    color: var(--gray-500);
    text-align: center;
}

/* Source List */
.source-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.source-rank {
    width: 24px;
    height: 24px;
    background: var(--gray-100);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-600);
}

.source-rank.gold {
    background: var(--warning-light);
    color: #92400E;
}

.source-info { flex: 1; }

.source-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.source-bar-wrapper {
    height: 6px;
    background: var(--gray-100);
    border-radius: 3px;
    margin-top: 6px;
    overflow: hidden;
}

.source-bar {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.source-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-900);
    min-width: 60px;
    text-align: right;
}

/* ==================== SETTINGS ==================== */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .settings-grid { grid-template-columns: 1fr; }
}

.settings-section {
    margin-bottom: 24px;
}

.settings-section-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

.settings-item:last-child { border-bottom: none; }

.settings-item-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 2px;
}

.settings-item-info p {
    font-size: 13px;
    color: var(--gray-500);
}

/* Toggle */
.toggle {
    position: relative;
    width: 48px;
    height: 26px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-300);
    border-radius: 26px;
    transition: 0.3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle input:checked + .toggle-slider {
    background: var(--primary);
}

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

/* Tags */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--gray-100);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
}

.tag.active {
    background: var(--primary-pale);
    color: var(--primary);
}

.tag.people {
    background: var(--people-light);
    color: var(--people-color);
}

.tag.secure {
    background: var(--secure-light);
    color: var(--secure-color);
}

.tag-remove {
    cursor: pointer;
    color: var(--gray-400);
    font-size: 14px;
}

.tag-remove:hover { color: var(--error); }

.tag-add {
    border: 2px dashed var(--gray-300);
    background: transparent;
    cursor: pointer;
}

.tag-add:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Product Groups */
.product-group {
    margin-bottom: 20px;
}

.product-group-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.product-group-title {
    font-size: 13px;
    font-weight: 700;
}

.product-group-title.people { color: var(--people-color); }
.product-group-title.secure { color: var(--secure-color); }

/* ==================== TOAST ==================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: white;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }

.toast-icon { font-size: 20px; }
.toast-content { flex: 1; }

.toast-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.toast-message {
    font-size: 13px;
    color: var(--gray-500);
}

.toast-close {
    cursor: pointer;
    color: var(--gray-400);
    font-size: 18px;
}

/* ==================== MODAL ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: var(--gray-500);
}

.modal-body { padding: 24px; }

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==================== ALERTS ==================== */
.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-success {
    background: var(--success-light);
    border: 1px solid var(--success);
    color: #065F46;
}

.alert-error {
    background: var(--error-light);
    border: 1px solid var(--error);
    color: #991B1B;
}

.alert-warning {
    background: var(--warning-light);
    border: 1px solid var(--warning);
    color: #92400E;
}

.alert-info {
    background: var(--info-light);
    border: 1px solid var(--info);
    color: #1E40AF;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header-stats { display: none; }
    .main-container { padding: 16px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
    .link-card { flex-direction: column; align-items: stretch; }
    .link-stats { justify-content: space-around; padding-top: 16px; border-top: 1px solid var(--gray-100); }
    .link-actions { justify-content: center; padding-top: 12px; }
}