@import url("https://fonts.googleapis.com/css2?family=Archivo+Black&family=Space+Grotesk:wght@400;500;700&display=swap");

/* PALETTE (hard constraint: 3 colors + black/white only)
   --paper #FFFEF7 (white) · --ink #111111 (black)
   --woad #2447F9 · --rust #FF4D00 · --reed #FFD02B */

:root {
  --paper: #FFFEF7;
  --ink: #111111;
  --woad: #2447F9;
  --rust: #FF4D00;
  --reed: #FFD02B;
  --shadow: 6px 6px 0 #111111;
  --shadow-sm: 4px 4px 0 #111111;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  background-image:
    linear-gradient(rgba(17,17,17,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,17,17,.055) 1px, transparent 1px);
  background-size: 28px 28px;
}

::selection { background: var(--woad); color: var(--paper); }

/* ---------- ticker ---------- */
.ticker {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid #111111;
  overflow: hidden;
  white-space: nowrap;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
}
.ticker-track { display: inline-flex; animation: tick 22s linear infinite; padding: 7px 0; }
.ticker-track span:last-child { color: var(--reed); }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- masthead ---------- */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px clamp(14px, 4vw, 40px) 4px;
}
.logo-block {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--paper);
  border: 3px solid #111111;
  box-shadow: var(--shadow);
  padding: 12px 18px 12px 12px;
  transform: rotate(-.6deg);
}
.logo-ibis {
  background: var(--woad);
  color: var(--paper);
  border: 3px solid #111111;
  font-weight: 900;
  font-size: 26px;
  padding: 8px 10px;
}
h1 {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(26px, 5vw, 44px);
  line-height: .95;
  margin: 0;
  letter-spacing: .01em;
}
.tagline {
  margin: 6px 0 0;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  background: var(--reed);
  border: 2px solid #111111;
  display: inline-block;
  padding: 2px 8px;
}
.mast-badges { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.badge {
  border: 3px solid #111111;
  box-shadow: var(--shadow-sm);
  background: var(--paper);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
  padding: 8px 12px;
}
.badge-woad { background: var(--woad); color: var(--paper); }
.badge-rust { background: var(--rust); color: var(--paper); }

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  padding: 18px clamp(14px, 4vw, 40px) 8px;
  max-width: 1240px;
  margin: 0 auto;
  align-items: start;
}
.side { display: grid; gap: 20px; }

.panel {
  background: var(--paper);
  border: 3px solid #111111;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  border-bottom: 3px solid #111111;
  padding: 10px 14px;
  background: var(--paper);
}
h2 { font-family: "Archivo Black", sans-serif; font-size: 17px; margin: 0; letter-spacing: .02em; }
.h2-num {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  padding: 3px 7px;
  margin-right: 8px;
  vertical-align: 2px;
}
.head-actions { display: flex; gap: 8px; }

/* ---------- buttons ---------- */
.btn {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--ink);
  border: 3px solid #111111;
  box-shadow: 4px 4px 0 #111111;
  padding: 9px 13px;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .08s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 #111111; }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 #111111; }
.btn:focus-visible { outline: 3px solid var(--woad); outline-offset: 2px; }
.btn-woad { background: var(--woad); color: var(--paper); }
.btn-rust { background: var(--rust); color: var(--paper); }
.btn-reed { background: var(--reed); color: var(--ink); }
.btn-small { font-size: 11px; padding: 6px 9px; box-shadow: 3px 3px 0 #111111; }

/* ---------- river ---------- */
.river-wrap { position: relative; border-bottom: 3px solid #111111; }
#river { display: block; width: 100%; height: 430px; cursor: crosshair; touch-action: none; }
.hud {
  position: absolute;
  display: flex;
  gap: 8px;
  pointer-events: none;
}
.hud-top { top: 10px; left: 10px; right: 10px; justify-content: space-between; }
.hud-chip {
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 5px 10px;
  border: 2px solid #111111;
}
.hud-chip:last-child { background: var(--woad); }
.stamp {
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  background: var(--rust);
  color: var(--paper);
  border: 4px solid #111111;
  box-shadow: var(--shadow);
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(20px, 4vw, 34px);
  padding: 8px 20px;
  pointer-events: none;
}
.hint {
  margin: 0;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  border-top: 3px solid #111111;
  background: var(--reed);
}
kbd {
  border: 2px solid #111111;
  background: var(--paper);
  padding: 0 5px;
  font-family: inherit;
  font-weight: 700;
  font-size: 11px;
}

/* ---------- toolbar ---------- */
.toolbar { padding: 14px; display: grid; gap: 12px; }
.tool-row { display: flex; gap: 10px; flex-wrap: wrap; }
.sliders { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.slider {
  border: 3px solid #111111;
  padding: 8px 10px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
  display: grid;
  gap: 6px;
  background: var(--paper);
}
.slider:nth-child(1) { background: rgba(36,71,249,.12); }
.slider:nth-child(2) { background: rgba(255,77,0,.10); }
.slider:nth-child(3) { background: rgba(255,208,43,.35); }
.slider b { font-size: 14px; }
input[type="range"] { width: 100%; accent-color: var(--woad); }
.toggles { display: flex; gap: 10px; flex-wrap: wrap; }
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 3px solid #111111;
  box-shadow: 3px 3px 0 #111111;
  padding: 7px 12px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  background: var(--paper);
  user-select: none;
}
.check input { width: 18px; height: 18px; accent-color: var(--rust); }

/* ---------- pigments ---------- */
.pigments { display: grid; padding: 14px; gap: 10px; }
.pig {
  display: grid;
  grid-template-columns: 44px 1fr auto 30px;
  align-items: center;
  gap: 10px;
  border: 3px solid #111111;
  box-shadow: 4px 4px 0 #111111;
  background: var(--paper);
  padding: 8px 10px;
  cursor: pointer;
  font-family: inherit;
  transition: transform .08s ease, box-shadow .08s ease;
}
.pig:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 #111111; }
.pig:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 #111111; }
.pig.is-active { outline: 4px solid var(--ink); outline-offset: -8px; }
.swatch { width: 44px; height: 32px; border: 3px solid #111111; }
.pig-woad .swatch { background: var(--woad); }
.pig-rust .swatch { background: var(--rust); }
.pig-reed .swatch { background: var(--reed); }
.pig-name { font-weight: 700; letter-spacing: .06em; font-size: 14px; text-align: left; }
.pig-hex { font-size: 12px; font-weight: 500; }
.pig-key {
  border: 2px solid #111111;
  font-weight: 700;
  font-size: 12px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- recipe ---------- */
.recipe { border-top: 3px solid #111111; padding: 12px 14px 14px; }
.recipe-head {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.bar { display: flex; height: 26px; border: 3px solid #111111; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; transition: width .3s ease; }
#barWoad { background: var(--woad); }
#barRust { background: var(--rust); }
#barReed { background: var(--reed); }
.recipe-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 4px; font-weight: 700; font-size: 13px; }
.recipe-list li { display: flex; align-items: center; gap: 8px; }
.recipe-list span { margin-left: auto; }
.dot { width: 14px; height: 14px; display: inline-block; border: 2px solid #111111; }
.dot-woad { background: var(--woad); }
.dot-rust { background: var(--rust); }
.dot-reed { background: var(--reed); }

/* ---------- export ---------- */
.export-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; }
.toast { margin: 0 14px; min-height: 20px; font-size: 13px; font-weight: 700; }
.toast.ok { background: var(--woad); color: var(--paper); border: 2px solid #111111; padding: 4px 10px; display: inline-block; }
.log-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 3px solid #111111;
  margin-top: 10px;
  padding: 10px 14px 0;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
}
.linklike { background: none; border: none; font: inherit; font-size: 12px; text-decoration: underline; cursor: pointer; color: var(--ink); }
.ledger { list-style: none; margin: 8px 0 0; padding: 0 14px 14px; display: grid; gap: 6px; max-height: 190px; overflow: auto; }
.ledger li {
  border: 2px solid #111111;
  padding: 6px 9px;
  font-size: 12.5px;
  font-weight: 500;
  background: var(--paper);
}
.ledger li:nth-child(odd) { background: rgba(255,208,43,.30); }
.ledger-empty { opacity: 1; border-style: dashed; }

/* ---------- footer ---------- */
.footer {
  max-width: 1240px;
  margin: 20px auto 26px;
  padding: 0 clamp(14px, 4vw, 40px);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.foot-palette { display: flex; align-items: center; gap: 6px; border: 3px solid #111111; background: var(--paper); box-shadow: 3px 3px 0 #111111; padding: 5px 10px; }

@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  #river { height: 330px; }
  .sliders { grid-template-columns: 1fr; }
  .masthead { padding-top: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}