:root {
  --bg-page: #fafafa;
  --bg-surface: #ffffff;
  --bg-subtle: #f4f4f5;
  --text-main: #09090b;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --border: #e4e4e7;
  --border-strong: #18181b;
  --black: #09090b;
  --black-hover: #27272a;
  --green-text: #15803d;
  --green-bg: #f0fdf4;
  --green-border: #bbf7d0;
  --red-text: #b91c1c;
  --red-bg: #fef2f2;
  --red-border: #fecaca;
  --radius: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 64px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden {
  display: none !important;
}

/* Header */
.header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  background: var(--black);
  color: #ffffff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.brand h1 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16a34a;
}

/* Main Layout */
.main-wrapper {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Top Bar: Segmented Mode Switcher + SerpAPI Key */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.segmented-control {
  display: inline-flex;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.seg-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.seg-btn:hover {
  color: var(--text-main);
}

.seg-btn.active {
  background: var(--black);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.api-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.api-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.api-input {
  width: 240px !important;
  padding: 5px 9px !important;
  font-size: 0.76rem !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
  background: var(--bg-subtle) !important;
}

.api-status-text {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Panels */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.panel-head p {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.head-links {
  display: flex;
  gap: 6px;
}

/* Form Elements */
.form-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-main {
  flex: 1;
  min-width: 280px;
}

.field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
}

input[type="text"],
select,
textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text-main);
  width: 100%;
  outline: none;
  transition: border-color 0.15s ease;
}

input[type="text"]::placeholder,
textarea::placeholder {
  color: #a1a1aa;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--black);
}

textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  resize: vertical;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.panel-actions.space-between {
  justify-content: space-between;
}

.inline-control {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.inline-control select {
  width: auto;
  padding: 6px 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.12s ease;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm {
  padding: 6px 11px;
  font-size: 0.78rem;
}

.btn-black {
  background: var(--black);
  color: #ffffff;
  border-color: var(--black);
}

.btn-black:hover:not(:disabled) {
  background: var(--black-hover);
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--bg-subtle);
  border-color: #d4d4d8;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-subtle);
  color: var(--text-main);
}

/* Alert Banner */
.alert-banner {
  background: var(--bg-surface);
  border: 1px solid var(--black);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.alert-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.82rem;
}

.alert-actions {
  display: flex;
  gap: 8px;
}

/* Summary Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-title {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-num {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.15;
}

.text-indexed {
  color: var(--green-text);
}

.text-unindexed {
  color: var(--red-text);
}

.stat-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Progress Panel */
.progress-panel {
  padding: 14px 20px;
}

.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.progress-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}

.progress-url {
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.progress-bar-bg {
  height: 6px;
  background: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--black);
  transition: width 0.2s ease;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* Table Panel */
.table-panel {
  padding: 0;
  overflow: hidden;
}

.table-toolbar {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s;
}

.filter-pill:hover {
  color: var(--text-main);
  background: var(--bg-subtle);
}

.filter-pill.active {
  background: var(--black);
  border-color: var(--black);
  color: #ffffff;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-search {
  width: 210px !important;
  padding: 6px 10px !important;
  font-size: 0.78rem !important;
}

.table-wrap {
  overflow-x: auto;
}

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

.data-table th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.73rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.84rem;
  vertical-align: top;
}

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

.data-table tbody tr:hover td {
  background: #fafafa;
}

/* Table Cells */
.url-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  word-break: break-all;
}

.url-link {
  color: var(--text-main);
  font-weight: 500;
  text-decoration: none;
}

.url-link:hover {
  text-decoration: underline;
}

.url-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.source-tag {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-indexed {
  background: var(--green-bg);
  color: var(--green-text);
  border: 1px solid var(--green-border);
}

.badge-not-indexed {
  background: var(--red-bg);
  color: var(--red-text);
  border: 1px solid var(--red-border);
}

.badge-checking {
  background: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid #d4d4d8;
}

.badge-pending {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.badge-warning {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

/* SERP Details */
.serp-preview {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.serp-cite {
  font-size: 0.73rem;
  color: var(--text-muted);
}

.serp-title {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
}

.serp-snippet {
  font-size: 0.79rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.serp-unindexed-msg {
  font-size: 0.79rem;
  color: var(--text-muted);
}

.row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.action-link {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 5px 9px;
  border-radius: 5px;
  font-size: 0.74rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.12s;
}

.action-link:hover {
  background: var(--bg-subtle);
  border-color: #d4d4d8;
}

.empty-box {
  text-align: center;
  padding: 48px 20px;
}

.empty-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.empty-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.toast {
  background: var(--black);
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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