/* Dashboard dark theme — mobile-first */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --green: #00c853;
  --red: #ff1744;
  --orange: #ff6b35;
  --cyan: #00bcd4;
  --yellow: #ff9800;
  --purple: #bb86fc;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ─── Header ─── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

h1 {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.status {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  display: inline-block;
}

.status-dot.connected {
  background: var(--green);
}

/* ─── Filter tabs ─── */
.filters {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filters::-webkit-scrollbar { display: none; }

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

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

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ─── Settings Tabs ─── */
.settings-tabs {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.settings-tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 18px;
  border-radius: 16px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.settings-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.settings-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tab-panel { animation: fadeIn 0.15s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ─── Sub-sections (inside combined sections like 6551) ─── */
.sub-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.sub-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--accent);
}
.sub-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin: -4px 0 10px;
}

/* ─── Feed container ─── */
#feed {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ─── News card ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  border-left: 3px solid var(--border);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.card-source {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-time {
  font-size: 11px;
  color: var(--text-muted);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-body {
  font-size: 13px;
  color: var(--text-muted);
  word-break: break-word;
}

.card-body a {
  color: var(--accent);
  text-decoration: none;
}

.card-body a:hover {
  text-decoration: underline;
}

/* Source-specific border colors */
.card[data-source="jin10"]       { border-left-color: var(--yellow); }
.card[data-source="blockbeats"]  { border-left-color: var(--cyan); }
.card[data-source="rss"]         { border-left-color: var(--green); }
.card[data-source="twitter"]     { border-left-color: #1da1f2; }
.card[data-source="polymarket"]  { border-left-color: var(--purple); }
.card[data-source="opennews"]    { border-left-color: #ff6b35; }

.card-source[data-source="jin10"]       { color: var(--yellow); }
.card-source[data-source="blockbeats"]  { color: var(--cyan); }
.card-source[data-source="rss"]         { color: var(--green); }
.card-source[data-source="twitter"]     { color: #1da1f2; }
.card-source[data-source="polymarket"]  { color: var(--purple); }
.card-source[data-source="opennews"]    { color: #ff6b35; }

/* Polymarket spike cards */
.card.spike-up   { border-left-color: var(--green); }
.card.spike-down { border-left-color: var(--red); }
.card.spike-vol  { border-left-color: var(--orange); }

/* ─── Empty state ─── */
.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 20px;
  font-size: 14px;
}

/* ─── Responsive ─── */
@media (min-width: 768px) {
  header { padding: 16px 24px; }
  #feed { padding: 16px 24px; }
  h1 { font-size: 18px; }
  .card { padding: 14px 20px; }
}

/* ─── Settings link in header ─── */
.settings-link {
  font-size: 20px;
  text-decoration: none;
  color: var(--text-muted);
  padding: 4px 8px;
}
.settings-link:hover { color: var(--text); }

/* ─── Settings Page ─── */

.settings-page main {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 80px;
}

.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
}
.back-link:hover { text-decoration: underline; }

/* Section */
.settings-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  user-select: none;
}
.section-header h2 {
  font-size: 16px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-header .chevron {
  transition: transform 0.2s;
  color: var(--text-muted);
}
.section-header.collapsed .chevron {
  transform: rotate(-90deg);
}
.section-body {
  padding: 0 16px 16px;
}
.section-body.hidden { display: none; }

/* Status dot */
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f85149;
  display: inline-block;
}
.status-indicator.active { background: #3fb950; }

/* Form rows */
.form-row {
  display: flex;
  align-items: center;
  padding: 8px 0;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.form-row:last-child { border-bottom: none; }
.form-label {
  min-width: 160px;
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}
.hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  font-size: 10px;
  cursor: help;
  flex-shrink: 0;
}
.form-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
}
.form-input[type="number"] { width: 100px; flex: none; }
.form-input[type="color"] {
  width: 40px;
  height: 32px;
  padding: 2px;
  cursor: pointer;
}
.form-suffix {
  font-size: 12px;
  color: var(--text-muted);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
  position: absolute;
  inset: 0;
  background: #30363d;
  border-radius: 11px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle .slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #c9d1d9;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(18px); }

/* Password field with show/hide */
.password-wrapper {
  display: flex;
  flex: 1;
  gap: 4px;
}
.password-wrapper .form-input { flex: 1; }
.btn-toggle-pw {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 8px;
  font-size: 12px;
}

/* RSS feed rows */
.rss-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
}
.rss-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.btn-delete {
  background: transparent;
  border: none;
  color: #f85149;
  cursor: pointer;
  font-size: 18px;
  padding: 0 4px;
}
.btn-add {
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--accent);
  cursor: pointer;
  padding: 10px;
  width: 100%;
  font-size: 13px;
  margin-top: 8px;
}
.btn-add:hover { border-color: var(--accent); }

/* Save bar */
.save-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  justify-content: center;
  gap: 12px;
  align-items: center;
  transform: translateY(100%);
  transition: transform 0.3s;
  z-index: 100;
}
.save-bar.visible { transform: translateY(0); }
.btn-save {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 32px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-save:hover { opacity: 0.9; }
.btn-save:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-reset {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
}
.btn-reset:hover { color: var(--text); border-color: var(--text-muted); }

/* Toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 14px;
  z-index: 200;
  animation: toastIn 0.3s, toastOut 0.3s 2.7s forwards;
}
.toast.success { background: #238636; color: #fff; }
.toast.error { background: #da3633; color: #fff; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(-10px); }
}

/* Help box */
.help-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}
.help-box strong {
  color: var(--text);
  display: block;
  margin-bottom: 6px;
}
.help-box ol {
  padding-left: 20px;
  margin: 0;
}
.help-box li { margin-bottom: 2px; }

/* Tag checkbox grid */
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s;
}
.tag-checkbox:hover { border-color: var(--accent); }
.tag-checkbox input:checked + span { color: var(--accent); }

/* KOL item (reuses rss-item styles) */
.kol-item .form-row { padding: 6px 0; }

/* ─── Settings Mobile ─── */
@media (max-width: 520px) {
  .settings-page main { padding: 8px; }
  .form-row { flex-wrap: wrap; gap: 6px; }
  .form-label { min-width: auto; width: 100%; }
  .form-input { width: 100%; }
  .form-input[type="number"] { width: 80px; }
  .btn-delete { min-width: 44px; min-height: 44px; font-size: 22px; }
  .password-wrapper { width: 100%; }
}