/*
 * Copyright (c) 2026 Jaak Vilo
 * SPDX-License-Identifier: MIT
 * License: https://mapik.ee/litsents/#mit
 */
:root {
  color-scheme: light;
  --ink: #1b1f2a;
  --muted: #5c6473;
  --line: #d4dee6;
  --accent: #14728f;
  --accent-dark: #0d5870;
  --good: #1d7543;
  --bad: #b42e3b;
  --paper: #fffdfa;
  --soft: #edf7fa;
  --warm: #fff0b8;
  --violet: #62549c;
  --orange: #c56a2d;
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
}

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

button,
input,
select { font: inherit; }

button {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  min-height: 44px;
  padding: 9px 13px;
}

button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { cursor: not-allowed; opacity: .48; }

button.primary,
.choice.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover:not(:disabled) { background: var(--accent-dark); }

.breadcrumbs {
  align-items: center;
  background: #fffefa;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  font-size: .94rem;
  gap: 6px;
  line-height: 1.35;
  padding: 7px 18px;
}

.breadcrumbs a { font-weight: 750; text-decoration: none; }
.breadcrumbs .strong,
.breadcrumbs .current { color: var(--ink); font-weight: 850; }
.breadcrumbs .current { background: #eff5f7; border: 1px solid #d6e2e7; padding: 1px 7px; }

main {
  margin: 0 auto;
  max-width: 1080px;
  padding: 18px;
}

.game-intro {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

h1 {
  color: var(--accent);
  font-size: 2.35rem;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0;
}

.game-intro > p:not(.prototype-note) {
  color: var(--muted);
  flex: 1 1 420px;
  line-height: 1.45;
  margin: 0;
}

.prototype-note {
  background: var(--warm);
  border-left: 5px solid #ac7400;
  flex: 1 0 100%;
  margin: 8px 0 0;
  padding: 8px 11px;
}

.toolbar {
  align-items: center;
  border-block: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  justify-content: space-between;
  margin: 14px 0;
  padding: 12px 0;
}

.game-status {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.game-status span { white-space: nowrap; }

.task-card {
  background: var(--soft);
  border-left: 6px solid var(--accent);
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  padding: 14px 16px;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  margin: 0;
  text-transform: uppercase;
}

#taskPrompt {
  font-size: 1.34rem;
  font-weight: 800;
  line-height: 1.35;
  margin: 0;
}

#taskFormula {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0;
}

.play-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
}

.visual-panel {
  background: #fff;
  border: 1px solid var(--line);
  min-height: 390px;
  overflow: hidden;
  padding: 10px;
}

.visual-panel svg {
  display: block;
  height: auto;
  max-height: 480px;
  width: 100%;
}

.control-panel {
  align-content: start;
  border-top: 5px solid var(--violet);
  display: grid;
  gap: 12px;
  padding-top: 12px;
}

.control-panel h2 { font-size: 1.13rem; margin: 0; }
.control-panel p { line-height: 1.45; margin: 0; }

.choice-grid,
.button-row,
.stepper-grid,
.coin-grid {
  display: grid;
  gap: 8px;
}

.choice-grid { grid-template-columns: 1fr; }
.button-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.coin-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stepper-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.choice { min-height: 50px; text-align: left; }
.choice.selected { box-shadow: 0 0 0 3px #c8e3eb; }

.stepper {
  border: 1px solid var(--line);
  display: grid;
  gap: 6px;
  grid-template-columns: 44px minmax(54px, 1fr) 44px;
  padding: 6px;
}

.stepper strong { align-self: center; text-align: center; }
.stepper-label { color: var(--muted); font-size: .85rem; font-weight: 750; grid-column: 1 / -1; }

.readout {
  background: #f7f4ff;
  border-left: 4px solid var(--violet);
  display: grid;
  gap: 4px;
  padding: 10px 12px;
}

.readout strong { font-size: 1.32rem; }

.feedback {
  border: 1px solid var(--line);
  font-weight: 750;
  line-height: 1.4;
  min-height: 48px;
  padding: 11px 12px;
}

.feedback.good { background: #e8f6ed; border-color: #86bf9d; color: #135c33; }
.feedback.bad { background: #fff0f0; border-color: #e0a2a7; color: #8d202b; }

.round-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.summary {
  border-top: 6px solid var(--accent);
  margin-top: 18px;
  padding-top: 16px;
}

.summary h2 { margin-top: 0; }
.summary-grid { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); margin: 16px 0; }
.summary-grid div { border: 1px solid var(--line); padding: 12px; }
.summary-grid strong { display: block; font-size: 1.8rem; }
.summary-grid span { color: var(--muted); }

.site-footer {
  align-items: center;
  background: #171c28;
  color: #f6f7fa;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  justify-content: space-between;
  margin-top: 28px;
  padding: 20px max(18px, calc((100vw - 1044px) / 2));
}

.site-footer div:first-child { display: grid; gap: 4px; }
.site-footer span { color: #c6cbd6; }
.feedback-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.feedback-link { background: #fff; color: var(--accent-dark); font-weight: 800; padding: 9px 11px; text-decoration: none; }

@media (max-width: 760px) {
  main { padding: 12px 10px; }
  h1 { font-size: 1.9rem; }
  .game-intro { display: block; }
  .game-intro > p:not(.prototype-note) { margin-top: 5px; }
  .play-grid { grid-template-columns: 1fr; }
  .visual-panel { min-height: 300px; }
  .summary-grid { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  .coin-grid,
  .stepper-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .game-status { align-items: flex-start; flex-direction: column; gap: 3px; }
}