/* MikroLLM – stil. Fargekoden bærer hovedpoenget:
   blått = DATA som flyter gjennom modellen, oransje = LÆRTE PARAMETERE. */

:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --ink: #23262b;
  --muted: #69707c;
  --line: #e6e2d8;

  --data: #2563eb;
  --data-bg: #edf3ff;
  --data-line: #bcd0f7;

  --param: #ea580c;
  --param-bg: #fff2e8;
  --param-line: #f6cdb0;

  --good: #16a34a;
  --good-bg: #e9f9ef;
  --bad: #dc2626;
  --bad-bg: #fdeaea;
  --accent: #7c3aed;
  --accent-bg: #f3ecfe;

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(30, 30, 40, 0.05), 0 6px 20px rgba(30, 30, 40, 0.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px;
  line-height: 1.55;
}
h1, h2, h3 { line-height: 1.25; }
p { margin: 0.5em 0; }
button { font: inherit; cursor: pointer; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 22px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-emoji { font-size: 30px; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: 0.2px; }
.brand-sub { font-size: 12.5px; color: var(--muted); margin-top: -2px; }
.tabs { display: flex; gap: 6px; margin-left: auto; }
.tab {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 8px 16px; border-radius: 999px; font-weight: 600; font-size: 14px;
  transition: all 0.15s;
}
.tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab:not(.active):hover { border-color: #c9c4b8; color: var(--ink); }

/* ---------- Layout ---------- */
.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px; max-width: 1240px; margin: 22px auto; padding: 0 22px;
  align-items: start;
}
.side { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: static; }
}

.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px;
}
.panel-title { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--muted); }

/* ---------- Kort i hovedflaten ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px 26px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 4px; font-size: 22px; }
.h2-sub { display: block; font-size: 14px; font-weight: 500; color: var(--muted); margin-top: 2px; }
.step-kicker { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); }
.lede { color: #3d4350; font-size: 16px; }
.note { color: var(--muted); font-size: 13.5px; }
details.honest {
  margin-top: 14px; border-radius: 10px;
  background: #f6f8f3; border: 1px dashed #cfd8c4; color: #55604b; font-size: 13.5px;
}
details.honest summary { cursor: pointer; font-weight: 650; padding: 8px 14px; color: #5c6a50; }
details.honest p { margin: 0; padding: 0 14px 10px; }

/* Global detaljnivå-velger */
.level-switch { display: flex; gap: 0; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.level-btn {
  border: none; background: transparent; color: var(--muted);
  padding: 7px 14px; font-size: 13px; font-weight: 650;
}
.level-btn + .level-btn { border-left: 1px solid var(--line); }
.level-btn.active { background: var(--accent); color: #fff; }
.level-btn:not(.active):hover { color: var(--ink); background: #f4f1ea; }
.level-switch.disabled { opacity: 0.35; pointer-events: none; }
/* Språkbryteren arver formen fra nivåbryteren, men er bevisst mer dempet:
   den skal være lett å finne, ikke konkurrere med hovedvalgene. */
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.lang-btn {
  border: none; background: transparent; padding: 6px 11px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.4px; color: var(--muted);
}
.lang-btn + .lang-btn { border-left: 1px solid var(--line); }
.lang-btn.active { background: var(--ink); color: #fff; }
.lang-btn:not(.active):hover { color: var(--ink); background: #f4f1ea; }

/* Merket sum: tallbokser med bildetekst under, i stedet for naken notasjon */
.sumrow { display: flex; align-items: flex-start; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.sumitem { text-align: center; }
.sumcap { font-size: 11.5px; color: var(--muted); margin-top: 4px; max-width: 150px; line-height: 1.3; }
.sumop { font-size: 18px; color: var(--muted); padding-top: 3px; font-family: var(--mono); }

/* Formbokser for konsept-nivået i FFN */
.shape-box {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--data-line); background: var(--data-bg); color: #1d4fd7;
  border-radius: 10px; padding: 8px 14px; font-weight: 700; font-size: 14px;
}

/* ---------- Fast navigasjonslinje nederst ---------- */
.navbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; justify-content: center;
  pointer-events: none;
}
.navbar-inner {
  pointer-events: auto;
  width: 100%; max-width: 1240px;
  margin: 0 22px;
  display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px;
}
@media (max-width: 980px) { .navbar-inner { grid-template-columns: 1fr; } }
.navbar-bar {
  grid-column: 1;
  display: flex; align-items: center; gap: 12px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-bottom: none;
  border-radius: 14px 14px 0 0;
  box-shadow: 0 -4px 18px rgba(30, 30, 40, 0.07);
  padding: 10px 16px;
}
.navbar-bar .spacer { flex: 1; }
.layout { padding-bottom: 84px; }

/* ---------- Nav ---------- */
.stepnav { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.stepnav .spacer { flex: 1; }
.dots { display: flex; gap: 6px; align-items: center; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #d8d3c6; border: none; padding: 0; }
button.dot { cursor: pointer; transition: transform 0.15s; }
button.dot:not(:disabled):hover { transform: scale(1.4); }
button.dot:disabled { cursor: default; }
.dot.done { background: var(--accent); opacity: 0.45; }
.dot.now { background: var(--accent); opacity: 1; transform: scale(1.25); }
.nav-progress { position: absolute; top: 0; left: 0; height: 3px; background: var(--accent); border-radius: 3px; transition: width 0.3s ease; }
.navbar-bar { position: relative; overflow: hidden; }

.btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 9px 18px; border-radius: 10px; font-weight: 650; font-size: 14.5px;
  transition: all 0.15s;
}
.btn:hover { border-color: #b9b3a4; }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: #000; }
.btn.accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.accent:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--muted); border-color: transparent; }
.btn.ghost:hover { color: var(--ink); background: #efece4; }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn.big { font-size: 16px; padding: 12px 24px; }

/* ---------- Tokens ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--data-bg); border: 1.5px solid var(--data-line); color: #1b3f8f;
  border-radius: 10px; padding: 6px 13px; font-weight: 700; font-size: 16px;
}
.chip .tid { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--data); opacity: 0.75; }
.chip.plain { background: #fff; border-color: var(--line); color: var(--ink); font-weight: 600; }
.chip.win { background: var(--good-bg); border-color: #9fdcb4; color: #116432; }
.chiprow { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.arrow-inline { color: var(--muted); font-size: 18px; }

/* ---------- Tall, vektorer og matriser ---------- */
.num { font-family: var(--mono); font-size: 14px; white-space: nowrap; }
.vec { font-family: var(--mono); font-size: 14px; padding: 2px 7px; border-radius: 7px; white-space: nowrap; display: inline-block; }
.vec.data { background: var(--data-bg); color: #1d4fd7; border: 1px solid var(--data-line); }
.vec.param { background: var(--param-bg); color: #c2410c; border: 1px solid var(--param-line); }
.vec.grad { background: var(--bad-bg); color: var(--bad); border: 1px solid #f3b8b8; }

table.mat { border-collapse: collapse; font-family: var(--mono); font-size: 13.5px; }
table.mat td { padding: 3px 10px; text-align: right; }
table.mat.param td { color: #c2410c; background: var(--param-bg); }
table.mat.data td { color: #1d4fd7; background: var(--data-bg); }
.matwrap { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; margin: 4px 8px 4px 0; vertical-align: top; }
.matwrap .matlabel { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.brack { display: inline-flex; align-items: stretch; }
.brack::before, .brack::after { content: ""; width: 6px; border: 1.5px solid currentColor; opacity: 0.45; }
.brack::before { border-right: none; border-radius: 6px 0 0 6px; }
.brack::after { border-left: none; border-radius: 0 6px 6px 0; }
.brack.param { color: var(--param); }
.brack.data { color: var(--data); }

.mathline { font-family: var(--mono); font-size: 13.5px; margin: 6px 0; color: #3a3f48; overflow-x: auto; padding-bottom: 2px; }
.mathline .res { font-weight: 700; }

/* ---------- Legende data vs parametere ---------- */
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin: 14px 0 4px; }
.legend-item {
  flex: 1; min-width: 230px; border-radius: 12px; padding: 12px 16px; font-size: 14px;
}
.legend-item.data { background: var(--data-bg); border: 1.5px solid var(--data-line); }
.legend-item.param { background: var(--param-bg); border: 1.5px solid var(--param-line); }
.legend-item b { display: block; margin-bottom: 2px; }
.legend-item.data b { color: #1d4fd7; }
.legend-item.param b { color: #c2410c; }

/* ---------- Progressiv avsløring ---------- */
.disc { margin: 12px 0 4px; }
.disc-btn {
  border: 1px solid var(--line); background: #faf9f5; color: #4b5563;
  border-radius: 8px; padding: 5px 12px; font-size: 13px; font-weight: 600;
}
.disc-btn:hover { border-color: #b9b3a4; }
.disc-btn.open { background: var(--accent-bg); border-color: #d8c6f7; color: var(--accent); }
.disc-body { display: none; margin-top: 10px; padding: 14px 16px; background: #fbfaf7; border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; }
.disc-body.open { display: block; }

/* ---------- Klikkbare Q/K/V-faner ---------- */
.qkv-tabs { display: flex; gap: 8px; margin: 12px 0 0; }
.qkv-tab {
  border: 1.5px solid var(--param-line); background: #fff; color: #c2410c;
  font-weight: 800; font-size: 15px; border-radius: 10px; padding: 7px 18px;
}
.qkv-tab.active { background: var(--param); color: #fff; border-color: var(--param); }
.qkv-panel { margin-top: 12px; padding: 16px 18px; background: #fffaf6; border: 1.5px solid var(--param-line); border-radius: 12px; }

/* ---------- Attention-visualisering ---------- */
.attn-flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.attn-weights { margin: 10px 0; }
.aw-row { display: grid; grid-template-columns: 90px 1fr 64px; align-items: center; gap: 10px; margin: 6px 0; }
.aw-bar { height: 20px; border-radius: 6px; background: #eee9df; overflow: hidden; }
.aw-fill { height: 100%; background: linear-gradient(90deg, #7aa5f5, var(--data)); border-radius: 6px; transition: width 0.4s; }
.aw-pct { font-family: var(--mono); font-size: 13.5px; text-align: right; }

/* ---------- Sannsynlighetsstolper ---------- */
.probbars { margin: 12px 0; }
.pb-row { display: grid; grid-template-columns: 84px 1fr 120px; align-items: center; gap: 12px; margin: 7px 0; }
.pb-label { font-weight: 700; font-size: 15px; text-align: right; }
.pb-bar { height: 26px; background: #efece4; border-radius: 8px; overflow: hidden; position: relative; }
.pb-fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, #94b8f8, var(--data)); transition: width 0.45s ease; min-width: 2px; }
.pb-row.correct .pb-fill { background: linear-gradient(90deg, #7ed49a, var(--good)); }
.pb-row.sampled .pb-label { color: var(--accent); }
.pb-val { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.pb-row.correct .pb-label { color: var(--good); }

/* ---------- FFN ---------- */
.ffn-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 14px 0; }
.ffn-stage { text-align: center; }
.ffn-stage .stage-cap { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.op {
  display: inline-flex; align-items: center; justify-content: center;
  background: #f1eee6; color: #555; font-family: var(--mono); font-size: 12px;
  border-radius: 8px; padding: 4px 8px;
}

/* ---------- Loss ---------- */
.loss-hero { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin: 14px 0; }
.bignum { font-family: var(--mono); font-size: 42px; font-weight: 700; }
.bignum.bad { color: var(--bad); }
.bignum.good { color: var(--good); }
.bignum-cap { font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }

/* ---------- Backprop ---------- */
.bp-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 10px 0; }
.bp-table th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.bp-table td { padding: 7px 10px; border-bottom: 1px solid #f0ede5; font-family: var(--mono); font-size: 13.5px; }
.bp-table td.name { font-family: var(--mono); color: #c2410c; }
.bp-table td.newval { color: var(--good); font-weight: 700; }
.bp-table td.gradval { color: var(--bad); }
.flash { animation: flash 0.9s ease; }
@keyframes flash { 0% { background: #fdf3c8; } 100% { background: transparent; } }

/* ---------- Sparkline / historikk ---------- */
.spark { width: 100%; height: 120px; margin-top: 6px; }
.spark-cap { font-size: 12.5px; color: var(--muted); }

/* ---------- Diagram ---------- */
.dg { display: flex; flex-direction: column; align-items: stretch; font-size: 13px; }
.dg-box {
  border: 1.5px solid var(--line); background: #fbfaf7; border-radius: 9px;
  padding: 6px 10px; text-align: center; font-weight: 650; color: #4b5058;
  transition: all 0.2s;
}
.dg-box .dg-sub { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }
.dg-box.active { border-color: var(--accent); background: var(--accent-bg); color: var(--accent); box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12); }
.dg-box.active .dg-sub { color: var(--accent); }
.dg-box.hl-param { border-color: var(--param); background: var(--param-bg); color: #c2410c; }
.dg-arrow { text-align: center; color: #b6b0a2; font-size: 13px; line-height: 1.4; position: relative; }
.dg.bw .dg-arrow::after { content: " ↑"; color: var(--bad); font-weight: 800; }
.dg-layer { border: 1.5px dashed #cfc9bb; border-radius: 12px; padding: 8px; margin: 2px 0; transition: all 0.2s; }
.dg-layer.active { border-color: var(--accent); background: rgba(124, 58, 237, 0.04); }
.dg-layer-cap { display: block; width: 100%; border: 0; background: none; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.7px; color: var(--muted); text-align: center; margin-bottom: 6px; cursor: pointer; border-radius: 6px; padding: 2px; }
.dg-layer-cap:hover, .dg-layer-cap:focus-visible { color: var(--accent); background: var(--accent-bg); }
.dg-cap-note { display: block; text-transform: none; letter-spacing: 0; font-size: 10px; color: #b6b0a2; font-weight: 600; }
.dg-layer-cap:hover .dg-cap-note, .dg-layer-cap:focus-visible .dg-cap-note { color: var(--accent); }
.dg-layer.hl-param { border-color: var(--param); background: rgba(234, 88, 12, 0.05); }
.dg-layer.hl-param .dg-layer-cap { color: #c2410c; }
.dg.bw .dg-layer { border-color: #eab6b6; }
.dg-bwnote { display: none; margin-top: 8px; text-align: center; font-size: 12px; color: var(--bad); font-weight: 650; }
.dg.bw .dg-bwnote { display: block; }

.layer-note { margin: 16px 0 4px; padding: 12px 14px; border: 1.5px dashed #cfc9bb; border-radius: 12px; background: #fbfaf7; font-size: 14.5px; line-height: 1.55; }

/* Vektorplott – bevisst nakent, se kommentaren i render.js */
.vecplot { margin: 14px 0 4px; }
.vecplot svg { display: block; width: 100%; max-width: 340px; margin: 0 auto; overflow: visible; }
/* Hvit kontur bak etiketten, så den er lesbar der den krysser en linje. */
.vp-label { font-family: var(--mono); font-size: 12px; font-weight: 700; paint-order: stroke; stroke: var(--card); stroke-width: 3.5px; stroke-linejoin: round; }
.vp-axis { font-size: 9.5px; fill: #b6b0a2; letter-spacing: 0.3px; }
.vp-cap { text-align: center; font-size: 12.8px; color: var(--muted); margin-top: 6px; line-height: 1.5; }

/* ---------- Inspector ---------- */
.insp-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  width: 100%; border: none; background: transparent; text-align: left;
  padding: 6px 8px; border-radius: 8px; font-size: 13.5px; color: var(--ink);
}
.insp-row:hover { background: #f4f1ea; }
.insp-row.sel { background: var(--param-bg); }
.insp-row .cnt { font-family: var(--mono); font-weight: 700; color: var(--param); }
.insp-row.sub { padding-top: 2px; padding-left: 20px; font-size: 12.3px; color: var(--muted); }
.insp-row.sub .cnt { font-size: 12.3px; font-weight: 600; color: var(--muted); }
.insp-row.total { border-top: 1.5px solid var(--line); margin-top: 4px; padding-top: 9px; font-weight: 800; }
.insp-row.total .cnt { font-size: 16px; }
.insp-desc { margin: 8px 4px 2px; padding: 9px 12px; background: #fbfaf7; border: 1px solid var(--line); border-radius: 9px; font-size: 12.8px; color: #4b5563; }
.insp-note { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* ---------- Bruk-modus ---------- */
.frozen-banner {
  display: flex; align-items: center; gap: 12px;
  background: #eef6fb; border: 1.5px solid #bfdcee; color: #145a86;
  border-radius: var(--radius); padding: 14px 20px; margin-bottom: 16px; font-weight: 650;
}
.frozen-banner .big { font-size: 26px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 12px 0; }
@media (max-width: 700px) { .compare { grid-template-columns: 1fr; } }
.cmp-col { border-radius: 12px; padding: 14px 16px; font-size: 14px; }
.cmp-col.train { background: var(--param-bg); border: 1.5px solid var(--param-line); }
.cmp-col.use { background: var(--data-bg); border: 1.5px solid var(--data-line); }
.cmp-col h4 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.7px; }
.cmp-col.train h4 { color: #c2410c; }
.cmp-col.use h4 { color: #1d4fd7; }
.cmp-col ol { margin: 0; padding-left: 20px; }
.cmp-col li { margin: 3px 0; }

.pipe-card { border: 1px solid var(--line); border-radius: 12px; margin: 10px 0; overflow: hidden; }
.pipe-head {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: #fbfaf7; border: none; padding: 11px 16px; text-align: left;
  font-weight: 700; font-size: 14.5px; color: var(--ink);
}
.pipe-head:hover { background: #f4f1e9; }
.pipe-head .quick { margin-left: auto; font-family: var(--mono); font-size: 12.5px; color: var(--muted); font-weight: 400; }
.pipe-head .caret { color: var(--muted); font-size: 12px; }
.pipe-body { display: none; padding: 14px 18px; border-top: 1px solid var(--line); overflow-x: auto; }
.pipe-card.open .pipe-body { display: block; }
.pipe-card.open .pipe-head { background: #fff; }

.temp-row { display: flex; align-items: center; gap: 14px; margin: 12px 0; flex-wrap: wrap; }
.temp-row input[type="range"] { flex: 1; min-width: 160px; accent-color: var(--accent); }
.temp-val { font-family: var(--mono); font-weight: 700; font-size: 17px; color: var(--accent); min-width: 84px; }

.sample-stage { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 14px; }
.sample-result { font-size: 17px; }
.sample-token { display: inline-block; background: var(--accent-bg); border: 2px solid var(--accent); color: var(--accent); font-weight: 800; font-size: 22px; border-radius: 12px; padding: 6px 18px; animation: pop 0.35s ease; }
@keyframes pop { 0% { transform: scale(0.6); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.gen-text { font-size: 21px; margin: 8px 0 2px; }
.gen-text .new { color: var(--accent); font-weight: 800; }

/* ---------- Footer ---------- */
.foot { max-width: 1240px; margin: 8px auto 40px; padding: 0 22px; color: var(--muted); font-size: 13.5px; }
.foot summary { cursor: pointer; font-weight: 650; color: #4b5563; }
.foot-body { margin-top: 8px; padding: 12px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.foot-line { margin-top: 12px; font-size: 12.5px; }

.pulse { animation: pulse 1.4s ease infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.25); } 50% { box-shadow: 0 0 0 8px rgba(124, 58, 237, 0); } }