/* AI Manager product UI — light B&W, Fish Audio / developer-portal inspired */
:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --panel: #ffffff;
  --card: #ffffff;
  --border: #e5e5e5;
  --border-strong: #111111;
  --text: #111111;
  --muted: #737373;
  --ok: #111111;
  --warn: #525252;
  --bad: #111111;
  --radius: 8px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --shadow: 0 0 0 1px var(--border);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.nav {
  background: var(--bg);
  border-right: 1px solid var(--border);
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.nav-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 0 8px;
}
.logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--text);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.nav-title {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.nav-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1px;
}
.nav nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 9px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 13.5px;
  font-family: inherit;
}
.nav-item:hover { background: var(--bg-soft); color: var(--text); }
.nav-item.active {
  background: var(--bg-soft);
  color: var(--text);
  font-weight: 600;
}
.nav-item.lab {
  margin-top: 16px;
  font-size: 12px;
  border-top: 1px solid var(--border);
  border-radius: 0 0 6px 6px;
  padding-top: 16px;
}
.nav-foot {
  margin-top: auto;
  padding: 8px;
  font-size: 11px;
  color: var(--muted);
  font-family: var(--mono);
}
.main {
  padding: 36px 40px 64px;
  max-width: 920px;
  background: var(--bg);
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
h2 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}
h3 {
  margin: 18px 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
#view-sub { margin: 6px 0 0; font-size: 13.5px; max-width: 36rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: none;
}
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .nav {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .nav nav { flex-direction: row; flex-wrap: wrap; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .main { padding: 24px 18px 48px; }
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.stat-value {
  font-size: 24px;
  font-weight: 600;
  margin: 10px 0 6px;
  letter-spacing: -0.03em;
}
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.pill.up {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
.pill.down {
  background: var(--bg);
  color: var(--muted);
  border-color: var(--border);
  text-decoration: line-through;
}
.pill.mid {
  background: var(--bg-soft);
  color: var(--text);
}
label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  margin: 12px 0 0;
}
input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
input:focus {
  outline: none;
  border-color: var(--border-strong);
}
button, .linkbtn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 6px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 500;
  margin: 4px 8px 4px 0;
  font-size: 13px;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
}
button:hover, .linkbtn:hover {
  border-color: var(--border-strong);
  background: var(--bg-soft);
}
button.primary, .linkbtn.primary {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
  width: 100%;
  text-align: center;
  margin-top: 14px;
  padding: 11px 14px;
}
button.primary:hover, .linkbtn.primary:hover {
  background: #000;
  opacity: 0.9;
}
button.ghost {
  background: transparent;
}
button.ok {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
button.danger {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text);
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.onboard-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.onboard-steps li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-items: baseline;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-soft);
  font-size: 13.5px;
}
.onboard-steps li.done {
  border-color: var(--text);
  background: var(--bg);
}
.onboard-steps li .mark {
  font-family: var(--mono);
  font-weight: 600;
  min-width: 1.1rem;
}
.box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
}
.box.small { max-height: 240px; font-size: 12px; }
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.item-list { margin: 0; padding-left: 1.15rem; }
.item-list li { margin: 6px 0; font-size: 14px; }
.pitch {
  margin: 0;
  padding-left: 1.15rem;
  line-height: 1.6;
  font-size: 14px;
}
.pitch li { margin-bottom: 8px; }
.kv {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.kv td {
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
}
.kv td:first-child {
  color: var(--muted);
  width: 48%;
  font-family: var(--mono);
  font-size: 12px;
}
.hidden { display: none; }
code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-soft);
  padding: 1px 5px;
  border-radius: 4px;
}
.actions { margin-top: 14px; }
.hero-line {
  font-size: 15px;
  max-width: 32rem;
  margin: 0 0 8px;
  color: var(--text);
}
.empty-hint {
  padding: 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13.5px;
}