:root {
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent2: #f78166;
  --border: #30363d;
  --panel: #161b22;
  --panel-hi: #1f2428;
  --code-bg: #010409;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --purple: #a371f7;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  font-size: 14px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar h1 {
  font-size: 20px;
  margin: 0;
}
.topbar h1 a { color: var(--fg); }
.topbar .nav a {
  margin-left: 12px;
  font-size: 13px;
  color: var(--muted);
}
.topbar .nav a:hover { color: var(--accent); }

.notice {
  background: #2d2208;
  border: 1px solid #735c0f;
  color: #d29922;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 12px;
}
.notice.error {
  background: #2d0808;
  border-color: var(--red);
  color: var(--red);
}

/* Filter bar */
.filter-bar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.filter-bar label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}
.filter-bar input,
.filter-bar select {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
}
.filter-bar input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
}
.filter-bar .actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  align-items: center;
}

button, .btn {
  background: var(--panel-hi);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
button:hover, .btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
button.primary {
  background: #1f6feb;
  border-color: #1f6feb;
  color: white;
}
button.primary:hover { background: #388bfd; color: white; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Token panel */
.token-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.token-panel input[type=password],
.token-panel input[type=text] {
  flex: 1;
  min-width: 240px;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}
.token-panel .token-warn {
  font-size: 11px;
  color: var(--yellow);
  flex-basis: 100%;
}

/* Stats grid */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
}
.stat-label {
  font-size: 10.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-value {
  font-size: 18px;
  font-weight: 600;
  margin-top: 4px;
  color: var(--accent);
}

/* Table */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
thead th {
  background: var(--panel-hi);
  color: var(--muted);
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr:hover { background: var(--panel-hi); }
tbody tr.selected { background: #0c2d6b; }
.cell-mono { font-family: ui-monospace, monospace; font-size: 11.5px; }
.cell-truncate {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lat-fast { color: var(--green); }
.lat-mid  { color: var(--yellow); }
.lat-slow { color: var(--red); }
.error-icon { color: var(--red); font-weight: bold; }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}
.pager .nav-btns { display: flex; gap: 8px; }

/* Detail page */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 16px;
}
.meta-item {
  display: flex;
  flex-direction: column;
  font-size: 12px;
}
.meta-item .k { color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.04em; }
.meta-item .v { color: var(--fg); margin-top: 2px; word-break: break-all; font-family: ui-monospace, monospace; font-size: 12px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--panel-hi);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}
.panel-header:hover { background: #262d35; }
.panel-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.panel-meta { font-size: 11px; color: var(--muted); }
.panel-body {
  padding: 12px 14px;
}
.panel-body.collapsed { display: none; }
.panel-body pre {
  margin: 0;
  padding: 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.55;
  max-height: 600px;
  overflow-y: auto;
  color: var(--fg);
}
.panel-actions {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}
.panel-actions button {
  font-size: 11px;
  padding: 3px 8px;
}

/* Save timeline */
.timeline {
  position: relative;
  padding-left: 24px;
  margin-top: 16px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.tl-item {
  position: relative;
  margin-bottom: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
.tl-item.has-error::before { background: var(--red); }
.tl-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 6px;
}
.tl-head .ts { color: var(--muted); font-family: ui-monospace, monospace; }
.tl-head .model { color: var(--accent2); font-weight: 600; }
.tl-input {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  margin: 6px 0;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.tl-foot {
  display: flex;
  gap: 16px;
  font-size: 11.5px;
  color: var(--muted);
  flex-wrap: wrap;
}
.tl-gap {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  padding: 4px 0;
  font-style: italic;
}

.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11.5px;
  text-align: center;
}

@media (max-width: 600px) {
  .container { padding: 12px; }
  .topbar h1 { font-size: 16px; }
}