:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #98a2b3;
  --accent: #6c8cff;
  --accent-hover: #5a7bff;
  --danger: #ff6b6b;
  --ok: #45c98a;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 18px; margin: 0; letter-spacing: 0.3px; }
header .header-right { display: flex; align-items: center; gap: 14px; }
header .status { font-size: 13px; color: var(--muted); }
header .status b { color: var(--text); }
#tokenBtn { font-size: 12px; padding: 6px 10px; }
.layout { display: flex; align-items: flex-start; }
.sidebar {
  width: 200px; flex-shrink: 0;
  padding: 20px 12px;
  border-right: 1px solid var(--border);
  min-height: calc(100vh - 61px);
  display: flex; flex-direction: column; gap: 4px;
}
.nav-item {
  text-align: left; background: transparent; color: var(--muted);
  padding: 10px 12px; border-radius: 8px; font-size: 14px; font-weight: 500;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: var(--panel-2); color: var(--accent); }
.content { flex: 1; min-width: 0; }
.view { padding: 28px; }
main.view {
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 860px) { main.view { grid-template-columns: 1fr; } .sidebar { width: 56px; } .nav-item { font-size: 0; padding: 10px; } }

.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-head h2 { margin: 0; }
.logs-stats { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.stat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 18px; min-width: 130px;
}
.stat-card .v { font-size: 22px; font-weight: 700; }
.stat-card .k { font-size: 12px; color: var(--muted); margin-top: 2px; }
.table-wrap { overflow-x: auto; }
.logs-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.logs-table th, .logs-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.logs-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.logs-table td.num, .logs-table th.num { text-align: right; }
.logs-table tbody tr:hover { background: var(--panel-2); }
.logs-table .cost { font-weight: 600; }
.logs-empty { color: var(--muted); font-size: 13px; padding: 18px 12px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.panel h2 { font-size: 15px; margin: 0 0 16px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
input, textarea, select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 11px;
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 64px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
.row { display: flex; gap: 12px; }
.row > div { flex: 1; }
button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid transparent; padding: 4px 8px; }
.btn-danger:hover { border-color: var(--danger); }
.actions { display: flex; gap: 10px; margin-top: 16px; align-items: center; }
.list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.card .top { display: flex; justify-content: space-between; align-items: start; gap: 8px; }
.card .name { font-weight: 600; font-size: 14px; }
.card .meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.card .prompt { font-size: 12px; color: var(--muted); margin-top: 8px; max-height: 40px; overflow: hidden; }
.card-actions { display: flex; gap: 6px; flex-shrink: 0; }
.chip { display: inline-block; font-size: 11px; background: #2a3142; color: var(--accent); padding: 2px 8px; border-radius: 999px; margin-right: 4px; }
.empty { color: var(--muted); font-size: 13px; padding: 14px 0; }
.editing-banner { font-size: 12px; color: var(--accent); margin-bottom: 8px; }
.hidden { display: none !important; }
.login-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex;
}
/* Left: branded marketing panel */
.login-brand {
  flex: 1.1; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 56px 56px 32px;
  background:
    radial-gradient(1100px 500px at -10% -10%, rgba(108,140,255,0.30), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, rgba(69,201,138,0.18), transparent 55%),
    linear-gradient(160deg, #11151f 0%, #0c0e14 100%);
  border-right: 1px solid var(--border);
}
.brand-inner { max-width: 460px; margin: auto 0; }
.brand-logo { font-size: 18px; font-weight: 700; letter-spacing: .3px; margin-bottom: 40px; }
.brand-headline { font-size: 40px; line-height: 1.1; margin: 0 0 18px; font-weight: 700; letter-spacing: -0.5px; }
.brand-sub { font-size: 15px; color: var(--muted); line-height: 1.6; margin: 0 0 32px; }
.brand-points { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.brand-points li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text); }
.brand-points li span { font-size: 18px; }
.brand-foot { font-size: 12px; color: var(--muted); }

/* Right: sign-in card */
.login-panel { flex: 1; display: flex; align-items: center; justify-content: center; padding: 32px; }
.login-card { width: 360px; max-width: 100%; }
.login-logo { font-size: 15px; font-weight: 700; color: var(--muted); margin-bottom: 28px; }
.login-card h2 { margin: 0 0 6px; font-size: 26px; letter-spacing: -0.3px; }
.login-card p { margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.login-error { color: var(--danger); font-size: 12px; min-height: 16px; margin-top: 12px; }
.login-foot { margin-top: 20px !important; font-size: 12px; }

.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; box-sizing: border-box;
  background: #fff; color: #1f1f1f; text-decoration: none;
  border-radius: 10px; padding: 12px 16px; font-size: 15px; font-weight: 600;
  transition: box-shadow .15s, transform .02s;
}
.google-btn:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.35); }
.google-btn:active { transform: translateY(1px); }

@media (max-width: 820px) {
  .login-brand { display: none; }
  .login-panel { flex: 1; }
}
.user-email { font-size: 13px; color: var(--muted); }
.muted { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.checks { display: flex; gap: 16px; margin-top: 4px; }
.chk { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); }
.chk input { width: auto; }
.reveal {
  background: var(--panel-2); border: 1px solid var(--accent); border-radius: 8px;
  padding: 12px 14px; margin: 14px 0; font-size: 13px; word-break: break-all;
}
.reveal code { background: transparent; color: var(--accent); }
.chip.off { background: #3a2a2a; color: var(--danger); }
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 18px; font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none;
}
#toast.show { opacity: 1; }
#toast.err { border-color: var(--danger); color: var(--danger); }
code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }