* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--ui-sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }

.appbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 4px;
  height: 48px; padding: 0 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--hair);
}
.appbar .brand { font-weight: 600; letter-spacing: -0.01em; margin-right: 14px; white-space: nowrap; }
.appbar .brand small { color: var(--muted); font-weight: 400; margin-left: 6px; }
.nav-tab {
  appearance: none; background: transparent; border: 0; color: var(--ink-2);
  padding: 8px 12px; border-radius: 8px; font-size: 13px; font-weight: 500;
  text-decoration: none; display: inline-block;
}
.nav-tab:hover, .nav-tab.active { background: var(--surface-2); color: var(--ink); }
.nav-tab .dot { display:inline-block; width:7px; height:7px; border-radius:50%; margin-right:7px; vertical-align: middle; }
.dot-notes { background: var(--n-accent); }
.dot-tracker { background: var(--t-accent); }
.appbar .spacer { flex: 1; }
.icon-btn {
  appearance:none; background: transparent; border:1px solid var(--hair); color: var(--ink-2);
  height: 32px; padding: 0 10px; border-radius: 8px; font-size: 12px; text-decoration: none;
  display: inline-flex; align-items: center;
}
.icon-btn:hover { color: var(--ink); border-color: var(--baseline); }

.container { padding: 24px 32px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 640px) { .container { padding: 16px; } }

.card { background: var(--surface); border: 1px solid var(--hair); border-radius: 12px; padding: 16px; }
.pill {
  display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 3px 9px; border-radius: 999px;
  margin: 2px 4px 2px 0; border: 1px solid transparent; white-space: nowrap;
}
.pill-pres { background: rgba(47,158,143,0.16); color: #6fd6c6; border-color: rgba(47,158,143,0.3); }
.pill-topic { background: rgba(57,135,229,0.16); color: #8fbef2; border-color: rgba(57,135,229,0.3); }
[data-theme="light"] .pill-pres { color: #16766a; }
[data-theme="light"] .pill-topic { color: #1c5cab; }

/* Mastery state pills (curriculum picker) — same seq-* ramp as the Wall
   treemap / apps.tracker.charts.mastery_color, so a topic reads the same
   colour everywhere it appears. */
.pill-mastery-cold { background: var(--t-surface-2); color: var(--muted); border-color: var(--hair); }
.pill-mastery-noted { background: color-mix(in srgb, var(--seq-600) 25%, transparent); color: var(--seq-600); border-color: color-mix(in srgb, var(--seq-600) 40%, transparent); }
.pill-mastery-practised { background: color-mix(in srgb, var(--seq-400) 25%, transparent); color: var(--seq-400); border-color: color-mix(in srgb, var(--seq-400) 40%, transparent); }
.pill-mastery-owned { background: color-mix(in srgb, var(--seq-200) 25%, transparent); color: var(--seq-200); border-color: color-mix(in srgb, var(--seq-200) 40%, transparent); }

.mono { font-family: var(--t-mono); }
.muted { color: var(--muted); }

.dummy-flag {
  font-size: 11px; color: var(--muted); border: 1px dashed var(--baseline);
  border-radius: 6px; padding: 2px 8px; display: inline-block;
}

.btn-primary {
  background: var(--t-accent); color: #1a1205; border: 0; border-radius: 9px; padding: 10px 16px; font-weight: 700; font-size: 14px;
}
.btn-ghost { background: transparent; border: 1px solid var(--t-hair); color: var(--t-ink-2); border-radius: 9px; padding: 10px 14px; }

form.simple-form .fld { margin-bottom: 14px; }
form.simple-form label { display:block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); margin-bottom: 6px; font-weight: 600; }
form.simple-form input, form.simple-form select, form.simple-form textarea {
  width: 100%; background: var(--surface-2); border: 1px solid var(--hair); color: var(--ink);
  border-radius: 8px; padding: 9px 11px; font-size: 14px; font-family: inherit;
}
form.simple-form .errorlist { color: var(--status-critical); font-size: 12px; list-style: none; padding: 0; margin: 4px 0; }

.kpi-row { display:grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 18px; }
@media (max-width: 860px){ .kpi-row { grid-template-columns: repeat(2,1fr);} }
.kpi .lbl { font-size: 11px; text-transform: uppercase; letter-spacing:.05em; color: var(--muted); }
.kpi .val { font-family: var(--t-mono); font-size: 26px; margin-top: 4px; }
.panel { margin-bottom: 16px; }
.obar { display:grid; grid-template-columns: 200px 1fr 96px; gap: 12px; align-items:center; padding: 7px 0; font-size: 13px; }
.obar + .obar { border-top: 1px solid var(--hair); }
.obar .track { background: var(--surface-2); border-radius: 5px; height: 20px; position: relative; overflow: hidden; }
.obar .fill { position:absolute; left:0; top:0; bottom:0; background: var(--t-accent); }
.svg-chart text { font-family: var(--ui-sans); fill: var(--muted); font-size: 10px; }
.svg-chart .axis { stroke: var(--baseline); stroke-width: 1; }
.svg-chart .grid { stroke: var(--hair); stroke-width: 1; }
.svg-chart .targetline { stroke: var(--status-warn); stroke-width: 1.5; stroke-dasharray: 4 3; }

.htmx-indicator { opacity: 0; transition: opacity 150ms ease-in; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }