/* ============================================
   iThectics Email Migration Tool - Black & White Theme
   ============================================ */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #141414;
    --bg-hover: #1a1a1a;
    --bg-input: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #2a2a2a;
    --border-light: #333333;
    --accent: #ffffff;
    --accent-hover: #e0e0e0;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.7);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.sidebar-menu {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.menu-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.menu-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--text-muted);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: var(--radius-sm);
    color: var(--danger);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

/* ============================================
   MOBILE HEADER
   ============================================ */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 99;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
}

.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 98;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-left: 260px;
    padding: 32px;
    min-height: 100vh;
    transition: var(--transition);
}

.main-content.full-width {
    margin-left: 0;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-header.centered {
    flex-direction: column;
    text-align: center;
    gap: 16px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

.page-actions {
    display: flex;
    gap: 12px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn:hover {
    background: var(--border-light);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

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

.btn-outline {
    background: transparent;
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-secondary {
    background: var(--bg-input);
    border-color: var(--border-light);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
    width: 100%;
    margin-top: 20px;
}

.btn-full {
    width: 100%;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}

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

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--text-muted);
}

.card-header.centered {
    flex-direction: column;
    text-align: center;
    gap: 8px;
}

.card-body {
    padding: 24px;
}

/* ============================================
   STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.bg-primary { background: rgba(255,255,255,0.1); }
.stat-icon.bg-success { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.stat-icon.bg-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.stat-icon.bg-info { background: rgba(59, 130, 246, 0.1); color: var(--info); }

.stat-value {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ============================================
   TABLES
   ============================================ */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-hover);
}

.data-table tr:hover {
    background: var(--bg-hover);
}

.data-table .empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.data-table .empty-state i {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-id {
    background: var(--bg-hover);
    color: var(--text-secondary);
    font-family: monospace;
}

.badge-type {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.badge-status {
    text-transform: capitalize;
}

.badge-completed { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-running { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-failed { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-stopped { background: var(--bg-hover); color: var(--text-muted); }

.badge-success {
    background: var(--success);
    color: white;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
    position: relative;
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
    min-width: 120px;
}

.progress-fill {
    height: 100%;
    background: var(--text-primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-text {
    position: absolute;
    right: 0;
    top: -18px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 20px;
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group label i {
    margin-right: 6px;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.1);
}

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

.form-row {
    display: flex;
    gap: 20px;
}

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

.form-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--text-primary);
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-container {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    gap: 60px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.logo-icon-large {
    width: 64px;
    height: 64px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.logo-text-large {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

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

.auth-tab.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 16px 0;
}

.forgot-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
}

.forgot-link:hover {
    color: var(--text-primary);
}

.auth-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.auth-features {
    display: none;
}

/* ============================================
   MIGRATION PAGE
   ============================================ */
.migration-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.migration-tab {
    flex: 1;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.migration-tab:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.migration-tab.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.migration-tab i {
    font-size: 24px;
}

.migration-form {
    display: none;
}

.migration-form.active {
    display: block;
}

.multi-pair,
.bulk-source-item {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 16px;
}

.pair-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.pair-number {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================
   PRICING PAGE
   ============================================ */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.toggle-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-hover);
    border-radius: 28px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: var(--transition);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--text-primary);
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.pricing-price {
    margin-bottom: 8px;
}

.price-currency {
    font-size: 24px;
    font-weight: 600;
    vertical-align: top;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -2px;
}

.price-period {
    color: var(--text-secondary);
    font-size: 14px;
}

.pricing-desc {
    color: var(--text-muted);
    font-size: 14px;
}

.pricing-features {
    margin-bottom: 24px;
}

.pricing-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.pricing-features .feature-item:last-child {
    border-bottom: none;
}

.pricing-features .feature-item i {
    font-size: 12px;
}

.pricing-features .feature-item.disabled {
    color: var(--text-muted);
}

.pricing-features .feature-item.disabled i {
    color: var(--text-muted);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-hero {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
}

.about-tagline {
    font-size: 20px;
    color: var(--text-secondary);
    margin: 16px 0;
    font-weight: 500;
}

.about-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-muted);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.about-stat {
    text-align: center;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.about-stat h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 4px;
}

.about-stat p {
    color: var(--text-secondary);
    font-size: 14px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 24px;
}

.feature-card {
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-light);
    background: var(--bg-hover);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px 24px;
    flex-wrap: wrap;
}

.step-item {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin: 0 auto 16px;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

.step-arrow {
    color: var(--text-muted);
    font-size: 20px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 24px;
}

.review-card {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
    transition: var(--transition);
}

.review-card:hover {
    border-color: var(--border-light);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    background: var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.review-name {
    font-size: 14px;
    font-weight: 600;
}

.review-role {
    font-size: 12px;
    color: var(--text-muted);
}

.review-rating {
    color: var(--warning);
    margin-bottom: 12px;
    font-size: 12px;
}

.review-content {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--success);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 24px;
    text-align: center;
}

.team-member {
    padding: 24px;
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.team-member h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.team-member p {
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 24px;
    text-align: center;
}

.contact-item {
    padding: 24px;
}

.contact-item i {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.contact-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    padding: 24px;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

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

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--text-secondary);
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(80vh - 70px);
}

.migration-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
}

.stat-item .stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-item .stat-value {
    font-size: 18px;
    font-weight: 700;
}

.log-container h4 {
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.log-output {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
}

/* ============================================
   ACTIVITY LIST
   ============================================ */
.activity-list {
    padding: 16px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

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

.activity-icon {
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-title {
    font-size: 14px;
    font-weight: 500;
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   CHARTS
   ============================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.chart-card {
    min-height: 350px;
}

.chart-container {
    padding: 20px;
    height: 280px;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison-table {
    text-align: center;
}

.comparison-table th,
.comparison-table td {
    text-align: center;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
}

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

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

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid,
    .features-grid,
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-stats,
    .team-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 80px 16px 16px;
    }

    .mobile-header {
        display: flex;
    }

    .stats-grid,
    .pricing-grid,
    .features-grid,
    .reviews-grid,
    .about-stats,
    .team-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .form-row {
        flex-direction: column;
    }

    .migration-tabs {
        flex-direction: column;
    }

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .auth-container {
        flex-direction: column;
        padding: 80px 16px 16px;
    }

    .auth-features {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
    }

    .migration-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.card {
    animation: fadeIn 0.4s ease forwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Landing Page (home.html)
   ============================================ */

.landing {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 24px 0;
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0 40px;
    flex-wrap: wrap;
    gap: 16px;
}

.landing-nav-links {
    display: flex;
    gap: 32px;
}

.landing-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.landing-nav-links a:hover {
    color: var(--text-primary);
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero {
    text-align: center;
    padding: 60px 12px 56px;
    max-width: 780px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--text-primary);
}

.hero-title {
    font-size: 3.2rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 22px;
}

.hero-highlight {
    background: linear-gradient(90deg, #ffffff, #888888);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.65;
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.hero-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--border-light);
    background: var(--bg-hover);
}

.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px 24px;
    margin-bottom: 80px;
}

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

.stat-number {
    display: block;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.landing-features {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 48px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    text-align: left;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.feature-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    color: var(--text-primary);
    font-size: 1.15rem;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.55;
}

.landing-cta {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 56px 24px;
    margin-bottom: 60px;
}

.landing-cta h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.landing-cta p {
    color: var(--text-secondary);
    margin-bottom: 26px;
}

.landing-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 32px 0 48px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .landing-nav-links {
        display: none;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .stats-strip {
        grid-template-columns: 1fr 1fr;
    }
}