:root {
  --bg: #071019;
  --bg-2: #0b1520;
  --panel: rgba(11,21,32,0.92);
  --panel-2: rgba(15,27,40,0.94);
  --border: rgba(255,255,255,0.08);
  --text: #eaf2fb;
  --muted: #8ea0b5;
  --accent: #6ee7ff;
  --accent-2: #8b5cf6;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #fb7185;
  --shadow: 0 18px 60px rgba(0,0,0,0.35);
  --input-bg: #04090f;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(139,92,246,0.14), transparent 28%),
    radial-gradient(circle at top left, rgba(110,231,255,0.10), transparent 22%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  min-height: 100vh;
}
.page-shell { width: min(1760px, calc(100vw - 32px)); margin: 18px auto; display: flex; flex-direction: column; gap: 16px; }

.page-header {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 16px 20px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
  font-size: 13px; font-weight: 800; color: #08111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex-shrink: 0;
}
.header-copy { min-width: 0; }
.eyebrow { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 3px; }
.page-header h1 { margin: 0; font-size: 20px; }
.page-header p { font-size: 13px; margin: 3px 0 0; color: var(--muted); }
.global-nav { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.nav-link {
  border: 1px solid var(--border); border-radius: 10px; background: rgba(255,255,255,0.03);
  color: var(--text); text-decoration: none; padding: 7px 11px; font-size: 12px; font-weight: 600; transition: .15s;
}
.nav-link:hover, .nav-link--active { background: rgba(255,255,255,0.07); border-color: rgba(110,231,255,0.2); }
.header-actions { display: flex; gap: 8px; align-items: center; }
.status-chip { display: inline-flex; align-items: center; padding: 5px 10px; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.04); font-size: 12px; }
.status-chip--good { color: var(--good); border-color: rgba(52,211,153,0.25); }
.status-chip--warn { color: var(--warn); border-color: rgba(251,191,36,0.25); }

/* ── Hero ── */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); padding: 16px;
}
.stat-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.stat-value { font-size: 32px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-sub { color: var(--muted); font-size: 12px; }

/* ── Layout ── */
.settings-layout { display: grid; grid-template-columns: 200px 1fr; gap: 16px; align-items: start; }
.settings-nav {
  position: sticky; top: 18px;
  display: flex; flex-direction: column; gap: 4px; padding: 16px;
}
.snav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border: 1px solid transparent; border-radius: 12px;
  background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: .15s; text-align: left; width: 100%;
}
.snav-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.snav-item--active { background: rgba(110,231,255,0.08); border-color: rgba(110,231,255,0.3); color: var(--accent); }
.snav-icon { font-size: 14px; }

.settings-main { min-width: 0; }
.state-section { display: none; flex-direction: column; gap: 16px; }
.state-section.active { display: flex; }

.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 4px; }
.section-head h2 { margin: 0; font-size: 18px; }
.muted { color: var(--muted); font-size: 13px; margin: 4px 0 0; }

/* ── Buttons ── */
.button {
  border: 1px solid var(--border); border-radius: 11px; background: rgba(255,255,255,0.03);
  color: var(--text); padding: 8px 14px; font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: .15s; white-space: nowrap;
}
.button:hover { background: rgba(255,255,255,0.07); border-color: rgba(110,231,255,0.2); }
.button:disabled { opacity: 0.4; cursor: not-allowed; }
.button--primary { background: linear-gradient(135deg,rgba(110,231,255,0.16),rgba(139,92,246,0.16)); border-color: rgba(110,231,255,0.28); }
.button--primary:hover { background: linear-gradient(135deg,rgba(110,231,255,0.24),rgba(139,92,246,0.24)); }
.button--small { padding: 5px 9px; font-size: 12px; border-radius: 9px; }
.button--danger { border-color: rgba(251,113,133,0.3); color: var(--bad); }
.button--danger:hover { background: rgba(251,113,133,0.1); }
.button-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.control-row { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Model table ── */
.provider-group { border: 1px solid var(--border); border-radius: 18px; overflow: hidden; margin-bottom: 12px; }
.provider-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--border);
  gap: 12px; flex-wrap: wrap;
}
.provider-group-title { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.provider-badge { padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.badge-llamacpp { background: rgba(251,191,36,0.15); color: var(--warn); }
.badge-ollama { background: rgba(52,211,153,0.15); color: var(--good); }

.model-table { width: 100%; }
.model-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 100px 70px 70px 80px 1fr;
  gap: 10px; align-items: center; padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.model-row:last-child { border-bottom: none; }
.model-row.header {
  background: rgba(0,0,0,0.2); font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.06em; padding: 8px 16px;
}
.model-name { font-weight: 600; font-size: 13px; }
.model-alias { font-size: 11px; color: var(--muted); font-family: monospace; margin-top: 2px; }

.surface-check { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--muted); }
.surface-check input { accent-color: var(--accent); }

/* ── Events log ── */
.live-log {
  display: grid; gap: 8px;
  max-height: 600px; overflow-y: auto;
}
.log-line {
  padding: 10px 14px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; line-height: 1.5;
}

/* ── Inputs ── */
.input, .select {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  background: var(--input-bg); color: var(--text); padding: 8px 11px; font: inherit; font-size: 13px;
}
.input:focus, .select:focus { outline: none; border-color: rgba(110,231,255,0.3); }
.select { cursor: pointer; }
.inline-field { display: grid; gap: 4px; }
.soft { color: var(--muted); font-size: 12px; }
.textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  background: var(--input-bg); color: var(--text); padding: 8px 11px;
  font: inherit; font-size: 13px; resize: vertical; min-height: 80px;
}
.textarea:focus { outline: none; border-color: rgba(110,231,255,0.3); }

/* ── Reasoning — 3-column ── */
.custom-layer-library {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border);
  border-radius: 16px; padding: 16px; margin-bottom: 4px;
}
.custom-layer-library-head {
  display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px;
}
.custom-layer-def { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 8px; }
.custom-layer-def:last-child { margin-bottom: 0; }
.custom-layer-def-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; background: rgba(255,255,255,0.03);
}
.custom-layer-def-body { padding: 14px; display: grid; gap: 10px; border-top: 1px solid var(--border); }
.custom-layer-name-tag { font-weight: 600; font-size: 13px; color: var(--accent); }
.reasoning-divider { height: 1px; background: var(--border); margin: 16px 0; }
.lib-placeholder { color: var(--muted); font-size: 12px; padding: 8px 0; }

.reasoning-surface-header {
  display: grid; grid-template-columns: 220px 1fr 1fr 1fr;
  gap: 16px; padding: 0 14px 8px;
}
.reasoning-surface-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; padding-left: 4px;
}
.reasoning-row {
  display: grid; grid-template-columns: 220px 1fr 1fr 1fr;
  gap: 16px; align-items: start; padding: 14px;
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(255,255,255,0.02); margin-bottom: 8px;
}
.reasoning-model-col { min-width: 0; }
.reasoning-model-name { font-weight: 600; font-size: 13px; }
.reasoning-model-provider { font-size: 11px; color: var(--muted); }
.reasoning-surface-col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.reasoning-surface-col .select { font-size: 11px; padding: 6px 8px; }

.layer-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.layer-chips--disabled { opacity: 0.35; pointer-events: none; }
.layer-chip {
  padding: 3px 8px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 11px; cursor: pointer; background: rgba(255,255,255,0.02); color: var(--muted); transition: .15s;
}
.layer-chip:hover { border-color: rgba(110,231,255,0.2); color: var(--text); }
.layer-chip.active { border-color: rgba(110,231,255,0.4); background: rgba(110,231,255,0.1); color: var(--accent); font-weight: 700; }
.layer-chip--dim { opacity: 0.3; }

/* ── Toast ── */
.toast {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  min-width: 220px; max-width: 380px; padding: 11px 14px; border-radius: 12px;
  border: 1px solid var(--border); background: rgba(10,17,24,0.96);
  color: var(--text); box-shadow: var(--shadow); font-size: 13px;
  opacity: 0; pointer-events: none; transform: translateY(8px); transition: .18s ease;
}
.toast.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.toast.good { border-color: rgba(52,211,153,0.3); }
.toast.warn { border-color: rgba(251,191,36,0.3); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

@media (max-width: 1400px) {
  .hero-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .model-row { grid-template-columns: 1fr 1fr 80px 60px 60px 70px 1fr; }
}
@media (max-width: 1100px) {
  .settings-layout { grid-template-columns: 1fr; }
  .settings-nav { position: static; flex-direction: row; flex-wrap: wrap; }
  .reasoning-surface-header { display: none; }
  .reasoning-row { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 800px) {
  .page-header { grid-template-columns: 1fr; }
  .model-row { grid-template-columns: 1fr; }
  .model-row.header { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
}