/* ============================================
   Campaign Tracker - Modern Light Theme
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #eef2ff;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --sidebar-w: 220px;
    --topbar-h: 64px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --transition: 150ms ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.sidebar-nav {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--gray-500);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition);
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
}

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-h);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

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

.date-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-input {
    padding: 6px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-700);
    background: var(--white);
    outline: none;
    transition: border-color var(--transition);
}

.date-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.date-sep {
    color: var(--gray-400);
    font-size: 13px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: var(--white);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

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

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

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

.btn-icon {
    padding: 6px;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* ---- Stats Row ---- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    padding: 24px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-value.text-primary { color: var(--primary); }
.stat-value.text-success { color: var(--success); }
.stat-value.text-warning { color: var(--warning); }

/* ---- Tables ---- */
.table-container {
    padding: 0 24px 24px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    font-size: 13px;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---- Status Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

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

.badge-paused {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-archived {
    background: var(--gray-100);
    color: var(--gray-500);
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ---- Actions ---- */
.actions-cell {
    display: flex;
    gap: 2px;
    align-items: center;
}

/* ---- Modal ---- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: flex-start;
    padding: 60px 20px;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 640px;
    animation: modalIn 200ms ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
}

/* ---- Forms ---- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
}

.label-muted {
    color: var(--gray-400) !important;
}

.form-input, .select-input {
    padding: 9px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.form-input:focus, .select-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-input::placeholder {
    color: var(--gray-300);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.help-text {
    font-size: 12px;
    color: var(--gray-400);
    line-height: 1.5;
}

/* ---- Landing Page Rows ---- */
.lp-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.lp-row .form-input.lp-name {
    width: 140px;
    flex-shrink: 0;
}

.lp-row .form-input.lp-url {
    flex: 1;
}

.lp-row .form-input.lp-weight {
    width: 70px;
    flex-shrink: 0;
    text-align: center;
}

.lp-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius);
    transition: all var(--transition);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.lp-remove:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* ---- Copy Field ---- */
.copy-field {
    display: flex;
    gap: 8px;
}

.copy-field .form-input {
    flex: 1;
    font-size: 12px;
    background: var(--gray-50);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* ---- Filter Bar ---- */
.filter-bar {
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-bar .select-input {
    width: 240px;
}

/* ---- Views ---- */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.empty-state p {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 20px;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--gray-800);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 300ms ease;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ---- Campaign Name Cell ---- */
.campaign-name {
    font-weight: 600;
    color: var(--gray-900);
}

.campaign-source {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
}

/* ---- Metric Highlights ---- */
.metric-green { color: var(--success); font-weight: 600; }
.metric-blue { color: var(--primary); font-weight: 600; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .topbar { padding: 0 16px; }
    .stats-row { padding: 16px; }
    .table-container { padding: 0 16px 16px; overflow-x: auto; }
    .form-row { grid-template-columns: 1fr; }
}

/* ---- Confirm Dialog ---- */
.confirm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.4);
    backdrop-filter: blur(4px);
    z-index: 1100;
    justify-content: center;
    align-items: center;
}

.confirm-overlay.active {
    display: flex;
}

.confirm-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.confirm-box h3 {
    margin-bottom: 8px;
    font-size: 16px;
}

.confirm-box p {
    color: var(--gray-500);
    margin-bottom: 20px;
    font-size: 14px;
}

.confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* ---- Modal Large ---- */
.modal-lg {
    max-width: 780px;
}

/* ---- Modal Tabs ---- */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
    gap: 0;
}

.campaign-tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-400);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.campaign-tab:hover {
    color: var(--gray-600);
}

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

.campaign-pane {
    display: none;
}

.campaign-pane.active {
    display: flex;
}

/* ---- Section Blocks (Landers/Offers in modal) ---- */
.section-block {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px;
}

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

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.rows-header {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 0 0 6px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--gray-200);
}

.rows-header span {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-400);
}

.rh-name { width: 140px; flex-shrink: 0; }
.rh-url { flex: 1; }
.rh-weight { width: 70px; flex-shrink: 0; text-align: center; }
.rh-action { width: 28px; flex-shrink: 0; }

/* ---- Settings View ---- */
.settings-container {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
}

.settings-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.settings-card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.settings-card-body {
    padding: 20px 24px;
}

.add-domain-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.add-domain-row .form-input {
    flex: 1;
}

/* ---- Flow Diagram ---- */
.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 0;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    min-width: 120px;
    text-align: center;
}

.flow-step strong {
    font-size: 13px;
    color: var(--gray-800);
}

.flow-step span {
    font-size: 11px;
    color: var(--gray-400);
}

.flow-arrow {
    color: var(--gray-300);
    flex-shrink: 0;
}

/* ---- Default badge in domains ---- */
.badge-default {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
}

/* ---- Nav Spacer (push Settings to bottom area) ---- */
.nav-spacer {
    flex: 1;
}

/* ---- Lander select row in campaign modal ---- */
.lander-select-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.lander-select-row select {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.lander-select-row select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.lander-select-row .form-input.lp-weight {
    width: 70px;
    flex-shrink: 0;
    text-align: center;
}

/* ---- Lander URL in table ---- */
.lander-url {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
    color: var(--gray-500);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }