:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #1c1c1e);
  --muted: var(--tg-theme-hint-color, #8a8a8e);
  --link: var(--tg-theme-link-color, #1a73e8);
  --button: var(--tg-theme-button-color, #1a73e8);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --section-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);
  --section-header: var(--tg-theme-section-header-text-color, #1a73e8);
  --separator: var(--tg-theme-section-separator-color, #e5e5ea);
  --accent: var(--tg-theme-accent-text-color, #007aff);
  --danger: #d93025;
  --chip-bg: rgba(26, 115, 232, 0.12);
  --chip-text: var(--accent);
  --chip-border: rgba(26, 115, 232, 0.28);
  --chip-removed: rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 14px;
  padding-bottom: 96px; /* room for Telegram's MainButton overlay */
  min-height: 100vh;
}

header {
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--separator);
  margin-bottom: 14px;
}

header h1 {
  margin: 0 0 2px;
  font-size: 20px;
  font-weight: 700;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.card {
  background: var(--section-bg);
  border-radius: 12px;
  padding: 14px 14px 12px;
  margin-bottom: 12px;
}

.card h2 {
  margin: 0 0 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--section-header);
  font-weight: 600;
}

.card p { margin: 4px 0; }
.muted  { color: var(--muted); font-size: 13px; }
.danger { color: var(--danger); }
.error  { color: var(--danger); }

/* === View tabs (top nav) === */

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  padding: 3px;
  background: var(--section-bg);
  border-radius: 12px;
}

.tab {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 9px 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  border-radius: 9px;
  font-family: inherit;
  text-align: center;
  line-height: 1.2;
}

.tab.active {
  background: var(--bg);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* === Mode tabs === */

.mode-tabs {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.mode-tab {
  flex: 1 1 0;
  min-width: 0;
  background: transparent;
  border: 1px solid var(--separator);
  border-radius: 10px;
  padding: 10px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
}

.mode-tab.active {
  background: var(--button);
  color: var(--button-text);
  border-color: var(--button);
  box-shadow: 0 1px 6px rgba(26, 115, 232, 0.25);
}

/* === Chip area (keywords) === */

.chip-area {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
  min-height: 32px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--chip-bg);
  color: var(--chip-text);
  border: 1px solid var(--chip-border);
  border-radius: 16px;
  padding: 5px 10px 5px 12px;
  font-size: 13px;
  font-weight: 500;
  max-width: 240px;
}

.chip.removable {
  padding-right: 4px;
}

.chip .x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  color: var(--text);
  user-select: none;
}

.chip .x:active { background: rgba(0, 0, 0, 0.18); }

.chip.readonly {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text);
  border-color: var(--separator);
}

.chip-empty {
  color: var(--muted);
  font-size: 13px;
  padding: 8px 0;
}

/* === Add row === */

.add-row {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.add-row input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--separator);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.add-row input:focus {
  outline: none;
  border-color: var(--button);
}

.primary-sm {
  background: var(--button);
  color: var(--button-text);
  border: 0;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.primary-sm:active { opacity: 0.85; }

.add-tools {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  font-size: 13px;
}

.link-btn {
  background: transparent;
  border: 0;
  color: var(--link);
  padding: 6px 0;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

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

/* === Cadence grid === */

.cadence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 6px;
  margin-top: 10px;
}

.cadence-btn {
  background: transparent;
  border: 1px solid var(--separator);
  border-radius: 10px;
  padding: 12px 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  line-height: 1.2;
}

.cadence-btn.active {
  background: var(--button);
  color: var(--button-text);
  border-color: var(--button);
}

/* === Curated groups === */

.curated-group {
  margin: 10px 0;
}

.curated-group h3 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.curated-group .group-count {
  font-size: 12px;
  color: var(--muted);
  font-weight: 400;
}

/* === KV display === */

.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 4px 12px;
  font-size: 14px;
  margin: 6px 0 0;
}

.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

/* === Article cards (archive / saved) === */

.articles .article-card {
  padding: 12px 12px 10px;
  margin: 8px 0;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--separator);
}

.article-card:first-child { margin-top: 0; }
.article-card:last-child  { margin-bottom: 0; }

.article-head {
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

.article-emoji { font-size: 16px; line-height: 1.35; flex-shrink: 0; }

.article-title {
  font-weight: 600;
  font-size: 14px;
  line-height: 1.35;
  word-wrap: break-word;
}

.article-meta {
  margin: 4px 0 6px;
  font-size: 12px;
  color: var(--muted);
}

.article-summary {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-actions {
  display: flex;
  gap: 14px;
  font-size: 13px;
}

.articles-status {
  text-align: center;
  margin: 12px 0 4px;
}

/* === Insights bars === */

.insights-counts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.count-box {
  background: var(--bg);
  border: 1px solid var(--separator);
  border-radius: 10px;
  padding: 10px 12px;
  text-align: center;
}
.count-box .num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}
.count-box .lbl {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.insights-bars .bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 1fr 50px;
  align-items: center;
  gap: 8px;
}

.bar-row .label {
  font-size: 13px;
  position: relative;
  z-index: 1;
  padding: 6px 8px;
  background: linear-gradient(to right,
              var(--chip-bg) var(--pct, 0%),
              transparent var(--pct, 0%));
  border-radius: 6px;
  border: 1px solid var(--chip-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-row .count {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-align: right;
}

.insights-bar-title {
  margin: 0 0 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--section-header);
  font-weight: 600;
}

/* === Article list empty / loading === */

.empty-state {
  text-align: center;
  padding: 30px 16px;
  color: var(--muted);
}

footer {
  margin-top: 14px;
  padding: 10px 0;
  text-align: center;
}