:root {
  --ink: #1c1915;
  --muted: #5e584f;
  --paper: #f3efe6;
  --card: #fffdf8;
  --line: #d9d0c2;
  --yellow: #e2b322;
  --green: #2f6f4e;
  --red: #8c3a2f;
  --blue: #2c4a6e;
  --shadow: 0 16px 40px rgba(48, 36, 18, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #fff8e8, transparent 36%),
    var(--paper);
  padding-bottom: 56px; /* så att hörnknapparna inte täcker sidfoten */
}

button, input { font: inherit; }

a { color: var(--blue); }

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 64px;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 8px;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.thesis {
  font-size: clamp(1.8rem, 4vw, 3.3rem);
  line-height: 1.05;
  margin: 8px 0 12px;
  max-width: 16ch;
}

.lede {
  max-width: 68ch;
  font-size: 1.12rem;
  line-height: 1.45;
}

.stamp {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 8px;
  background: #fff4c8;
  border: 1px solid #e2c56a;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.86rem;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.fact {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px;
}

.fact b {
  display: block;
  font-size: 1.6rem;
  font-family: "Segoe UI", sans-serif;
}

.fact span { color: var(--muted); font-size: 0.92rem; }

.tabs {
  display: flex;
  gap: 8px;
  margin: 8px 0 18px;
  font-family: "Segoe UI", sans-serif;
}

.tabs button, .cell, .close {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}

.tabs button {
  padding: 8px 12px;
  border-radius: 999px;
}

.tabs button[aria-selected="true"] {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}

.panel { display: none; }
.panel.active { display: block; }

.stage {
  display: grid;
  grid-template-columns: 118px 1fr;
  grid-template-rows: auto auto auto;
  gap: 12px 14px;
}

.cells {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
  min-height: 520px;
}

.axis-note {
  grid-column: 1 / -1;
  grid-row: 3;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.axis-y, .axis-x {
  font-family: "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
}

.axis-y {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  text-align: center;
}

.pyramid {
  width: 84px;
  flex: 1;
  min-height: 220px;
  background: #e2b322;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  border-bottom: 4px solid #8c3a2f;
}

.axis-x {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  min-height: 46px;
  padding-bottom: 4px;
}

.lock-meter {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.4fr;
  gap: 8px;
  align-items: end;
  height: 34px;
}

.lock-meter i {
  display: block;
  height: 4px;
  background: #c0392b;
  position: relative;
}

.lock-meter i:nth-child(2) { height: 4px; box-shadow: 0 7px 0 #c0392b; }
.lock-meter i:nth-child(3) { height: 4px; box-shadow: 0 7px 0 #c0392b, 0 14px 0 #c0392b; }
.lock-meter i:nth-child(4) { height: 4px; box-shadow: 0 7px 0 #c0392b, 0 14px 0 #c0392b, 0 21px 0 #c0392b; }
.lock-meter i:nth-child(4)::after {
  content: "";
  position: absolute;
  right: -2px;
  top: 14px;
  border-left: 12px solid #c0392b;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
}

.pole.right { color: #8c3a2f; font-weight: 700; }

.cell.s1, .cell.s2, .cell.s3, .cell.s4 { grid-column: auto; grid-row: auto; }

.cell {
  text-align: left;
  padding: 16px;
  box-shadow: var(--shadow);
  min-height: 210px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cell small {
  font-family: "Segoe UI", sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.cell strong { font-size: 1.2rem; line-height: 1.2; }

.cell em {
  margin-top: auto;
  font-style: normal;
  font-family: "Segoe UI", sans-serif;
  font-size: 1.4rem;
}

.faces {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.face {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.face img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(28, 25, 21, 0.18);
}

.cell.s1 { background: #e7f3ea; }
.cell.s2 { background: #f8e7e3; }
.cell.s3 { background: #e7eef8; }
.cell.s4 { background: #f8f1df; }
.cell[aria-pressed="true"] { outline: 3px solid var(--ink); }

.detail {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px 20px 22px;
}

.detail h2 { margin: 0 0 8px; font-size: 1.6rem; }

.kv {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 16px;
  margin-top: 14px;
}

.kv b { font-family: "Segoe UI", sans-serif; font-size: 0.86rem; }

.review {
  margin-top: 18px;
  padding: 16px 18px;
  background: #fff8e4;
  border-left: 5px solid var(--yellow);
}

.method, .contract {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

video, img.shot {
  width: 100%;
  background: #111;
  border: 1px solid var(--line);
}

ol.steps { padding-left: 18px; }

ol.steps li { margin: 8px 0; }

.filetable {
  width: 100%;
  border-collapse: collapse;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.filetable td {
  border-top: 1px solid var(--line);
  padding: 7px 4px;
  vertical-align: top;
}

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Automatisk växling: pausknapp och förklaring under fyrfältaren */
.auto-row { margin: 10px 0 0; font-family: "Segoe UI", sans-serif; font-size: 0.88rem; color: var(--muted); }
.auto-toggle {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  cursor: pointer; padding: 4px 10px; border-radius: 999px; font: inherit; margin-right: 8px;
}

/* Turläge: ett alternativ i taget markeras, de andra tonas ned. Fyrfältaren är utgångsläget. */
.tabs { flex-wrap: wrap; }
.tabs .mode { margin-left: auto; }
.tabs .mode[aria-pressed="true"] { background: var(--ink); color: white; border-color: var(--ink); }

.tour-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  margin: 0 0 12px; padding: 10px 14px;
  background: #fff8e4; border-left: 5px solid var(--yellow);
  font-family: "Segoe UI", sans-serif; font-size: 0.95rem;
}
.tour-bar[hidden] { display: none; }
.tour-bar small { color: var(--muted); }
.tour-bar button {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  cursor: pointer; padding: 5px 10px; border-radius: 999px; font: inherit;
}
.tour-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.progress { flex: 1 1 120px; height: 4px; background: var(--line); }
.progress i { display: block; height: 100%; width: 0; background: var(--ink); animation: fyll 4s linear forwards; }
@keyframes fyll { to { width: 100%; } }

.stage.touring .cell { opacity: 0.28; transition: opacity 0.35s ease, transform 0.35s ease; }
.stage.touring .cell[aria-pressed="true"] { outline: none; }
.stage.touring .cell.step { opacity: 1; transform: scale(1.02); outline: 3px solid var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .stage.touring .cell, .stage.touring .cell.step { transition: none; transform: none; }
  .progress i { animation: none; width: 100%; }
}

/* AI-upplysning, tidsväljare och markering av tidigare körning */
.ai-note {
  max-width: 68ch;
  margin: 12px 0 0;
  padding: 10px 14px;
  background: #e8eef7;
  border-left: 5px solid var(--blue);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
  line-height: 1.45;
}

.picker { margin: 18px 0 4px; }
.picker h2 { margin: 0 0 8px; font-size: 1.05rem; font-family: "Segoe UI", sans-serif; }
.snaps { display: flex; flex-wrap: wrap; gap: 8px; }
.snap {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  padding: 8px 12px;
  border-radius: 10px;
  font-family: "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.snap span { color: var(--muted); font-size: 0.8rem; }
.snap[aria-pressed="true"] { background: var(--ink); color: white; border-color: var(--ink); }
.snap[aria-pressed="true"] span { color: #ddd; }
.picker-note { margin: 8px 0 0; color: var(--muted); font-size: 0.9rem; max-width: 68ch; }
.process-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: #eef3f8;
  border-left: 5px solid var(--blue);
  max-width: 72ch;
}
.process-note h2 { margin: 0 0 8px; font-size: 1.25rem; }
.process-note p { margin: 0 0 8px; }
.process-kicker {
  margin: 0 0 6px;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}
.old {
  margin: 8px 0 0;
  padding: 8px 12px;
  background: #f8e7e3;
  border-left: 5px solid var(--red);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.9rem;
}
.old[hidden], [hidden] { display: none; }
.cell .when { font-family: "Segoe UI", sans-serif; font-size: 0.74rem; color: var(--muted); }

/* Ankare vid rubrik: syns vid hover */
.anchor { margin-left: 8px; text-decoration: none; opacity: 0; font-size: 0.8em; }
h2:hover .anchor, .anchor:focus { opacity: 0.6; }

/* Hörnknappar: GitHub nere till vänster, teknik-modal nere till höger */
.corner {
  position: fixed; bottom: 14px; z-index: 10;
  font-family: "Courier New", Courier, monospace; font-size: 0.78rem;
  color: var(--muted); background: var(--card);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.3rem 0.7rem; text-decoration: none; cursor: pointer;
  opacity: 0.55; transition: opacity 0.2s ease, color 0.2s ease;
}
.corner:hover, .corner:focus-visible { opacity: 1; color: var(--blue); }
.corner-left { left: 14px; }
.corner-right { right: 14px; }

.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 20; padding: 1rem;
  background: rgba(28, 25, 21, 0.55); align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  position: relative; background: var(--card); border-radius: 16px;
  max-width: 640px; width: 100%; max-height: 85vh; overflow-y: auto; padding: 2rem;
}
.modal h2 { color: var(--blue); margin: 0 0 0.5rem; font-size: 1.4rem; }
.modal > p { color: var(--muted); font-size: 0.92rem; margin: 0 0 1.4rem; }
.modal a { color: var(--blue); }
.modal-close {
  position: absolute; top: 1rem; right: 1rem; background: none; border: none;
  font-size: 1.4rem; line-height: 1; color: var(--muted); cursor: pointer;
}
.tech-section-title { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 1.4rem 0 0.7rem; font-family: "Segoe UI", sans-serif; }
.tech-section-title:first-of-type { margin-top: 0.4rem; }
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.tech-card h3 { font-size: 0.95rem; color: var(--blue); margin: 0 0 0.3rem; font-family: "Segoe UI", sans-serif; }
.tech-card p { font-size: 0.85rem; line-height: 1.5; margin: 0; }
.tech-card code { background: #eef0f3; border-radius: 4px; padding: 0.05rem 0.3rem; font-size: 0.82em; }

@media print {
  .corner, .modal-overlay { display: none; }
}

@media (max-width: 640px) {
  .tech-grid { grid-template-columns: 1fr; }
  .modal { padding: 1.4rem; }
}

@media (max-width: 800px) {
  .facts, .method, .contract, .kv { grid-template-columns: 1fr; }
  .stage, .cells { grid-template-columns: 1fr; }
  /* Utan detta ligger rutorna kvar i kolumn 2 och sidan scrollar sidledes. */
  .stage > *, .cells { grid-column: 1; grid-row: auto; }
  .cells { min-height: 0; }
  .axis-y { flex-direction: row; }
  .pyramid { width: 72px; min-height: 46px; }
  .thesis { max-width: none; }
}