:root {
  --bg: #f6f8fb;
  --card: #ffffff;
  --ink: #111827;
  --muted: #6b7280;
  --line: #dbe3ef;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --good: #047857;
  --warn: #b45309;
  --bad: #b91c1c;
  --shadow: 0 20px 60px rgba(15, 23, 42, .12);
}

body[data-theme="dark"] {
  --bg: #101827;
  --card: #172033;
  --ink: #e5e7eb;
  --muted: #a7b0c0;
  --line: #2d3b52;
  --accent: #60a5fa;
  --accent-soft: #1d3a65;
  --shadow: 0 24px 70px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select, textarea { font: inherit; }
button, .file-button {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  padding: .75rem 1rem;
  font-weight: 800;
  cursor: pointer;
}
button.ghost, .ghost {
  background: var(--accent-soft);
  color: var(--ink);
}
button:hover, .file-button:hover { filter: brightness(.96); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-size: .78rem; font-weight: 900; margin: 0 0 .35rem; }
#app { width: min(100% - 24px, 1440px); margin: 0 auto; padding: 1rem 0 2rem; }
.settings-wrap { position: fixed; top: 4.3rem; right: 1rem; z-index: 80; }
.settings-toggle { box-shadow: var(--shadow); }
.settings-menu {
  position: absolute;
  right: 0;
  top: calc(100% + .5rem);
  width: min(320px, calc(100vw - 2rem));
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1rem;
}
.settings-group { display: grid; gap: .45rem; margin-bottom: .8rem; }
.compact-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.file-button { display: inline-flex; align-items: center; justify-content: center; }
.file-button input { display: none; }
.wizard-screen, .game-over {
  min-height: calc(100vh - 130px);
  display: grid;
  place-items: center;
  padding: 2rem 0;
}
.wizard-card, .game-over-card {
  width: min(860px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.wizard-card h1 { font-size: clamp(1.8rem, 4vw, 3rem); margin: .2rem 0 1rem; letter-spacing: -.04em; }
.wizard-progress { display: flex; gap: .4rem; margin: 1rem 0; }
.wizard-progress span { height: 8px; flex: 1; border-radius: 999px; background: var(--line); }
.wizard-progress span.active { background: var(--accent); }
.wizard-actions, .modal-actions, .inline-actions { display: flex; gap: .7rem; flex-wrap: wrap; align-items: center; }
.wizard-actions { justify-content: space-between; margin-top: 1rem; }
.option-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .8rem; }
.option-card {
  display: grid;
  gap: .35rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  cursor: pointer;
}
.option-card:has(input:checked) { outline: 3px solid var(--accent); background: var(--accent-soft); }
.option-card input { width: auto; }
.wizard-form { display: grid; gap: 1rem; }
.wizard-form label, .control-panel label {
  display: grid;
  gap: .35rem;
  color: var(--muted);
  font-weight: 800;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  padding: .72rem .85rem;
}
main#game { display: grid; gap: 1rem; }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
  padding: 1rem;
}
.topbar { display: grid; gap: 1rem; }
.topbar h1 { margin: .1rem 0; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; }
.metrics-grid div, .summary-grid div {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: .85rem;
}
.metrics-grid span, .summary-grid span { display: block; color: var(--muted); font-size: .82rem; }
.metrics-grid strong, .summary-grid strong { display: block; margin-top: .25rem; font-size: 1.05rem; }
.goal-track { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; margin-top: .45rem; }
.goal-track i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: inherit; }
.speed-controls { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.speed-controls button { padding: .6rem .8rem; background: var(--bg); color: var(--ink); border: 1px solid var(--line); }
.speed-controls button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.alerts { display: grid; gap: .6rem; }
.alert { border-radius: 14px; padding: .75rem 1rem; background: var(--accent-soft); border: 1px solid var(--line); }
.alert.warn { background: #fef3c7; color: #78350f; }
.alert.bad { background: #fee2e2; color: #7f1d1d; }
body[data-theme="dark"] .alert.warn { background: #4a3412; color: #fbbf24; }
body[data-theme="dark"] .alert.bad { background: #4c1515; color: #fca5a5; }
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(360px, 1.4fr) minmax(280px, .9fr);
  grid-template-areas:
    "ops middle controls"
    "insight middle controls";
  gap: 1rem;
  align-items: start;
}
.dashboard-grid > article:nth-child(1) { grid-area: ops; }
.insight-panel { grid-area: insight; }
.middle-tabs { grid-area: middle; min-height: 720px; }
.control-panel { grid-area: controls; display: grid; gap: .8rem; }
.panel-title { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .75rem; }
.panel-title h2 { margin: 0; }
.tab-buttons { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .8rem; }
.tab-button { background: var(--bg); color: var(--ink); border: 1px solid var(--line); padding: .55rem .75rem; }
.tab-button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.bridge-list { display: grid; gap: .45rem; }
.bridge-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding: .5rem 0;
}
.bridge-row.cost span:last-child { color: var(--bad); }
.bridge-row.profit span:last-child { color: var(--good); font-weight: 900; }
.submetrics { display: flex; gap: .65rem; flex-wrap: wrap; color: var(--muted); margin-top: .75rem; }
.submetrics span {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .45rem .7rem;
}
.staff-rows, .menu-items, .advisor-list, .scroll-list { display: grid; gap: .6rem; }
.staff-row, .menu-item, .advisor-item, .report-row, .log-row {
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 16px;
  padding: .8rem;
}
.staff-row, .menu-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.advisor-item.good { border-color: rgba(4,120,87,.35); }
.advisor-item.warn { border-color: rgba(180,83,9,.35); }
.advisor-item.bad { border-color: rgba(185,28,28,.35); }
.report-highlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; margin-bottom: .8rem; }
.report-highlights div { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: .8rem; }
.trend-bars { display: flex; align-items: end; gap: .35rem; height: 120px; margin: .75rem 0; }
.trend-bar { flex: 1; min-width: 18px; background: var(--good); border-radius: 8px 8px 0 0; position: relative; }
.trend-bar.negative { background: var(--bad); }
.trend-bar span { position: absolute; bottom: -1.35rem; left: 50%; transform: translateX(-50%); color: var(--muted); font-size: .72rem; }
.scroll-list { max-height: 350px; overflow: auto; }
.compact-scroll { max-height: 220px; }
.ad-slot {
  min-height: 90px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-top: 1rem;
  color: var(--muted);
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .8rem;
  margin: 1rem 0 1.2rem;
}
.share-text {
  width: 100%;
  min-height: 110px;
  margin: 1rem 0;
  resize: vertical;
}
.challenge-faq {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
}
.challenge-faq details { border-top: 1px solid var(--line); padding: .8rem 0; }
.challenge-faq summary { cursor: pointer; font-weight: 900; }
.challenge-faq p { color: var(--muted); }
.good { color: var(--good); }
.warn-text { color: var(--warn); }
.bad-text { color: var(--bad); }
@media (max-width: 1100px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "ops insight"
      "middle middle"
      "controls controls";
  }
}
@media (max-width: 760px) {
  #app { width: min(100% - 16px, 1440px); }
  .settings-wrap { top: .7rem; right: .7rem; }
  .dashboard-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "ops" "insight" "middle" "controls";
  }
  .staff-row, .menu-item { align-items: flex-start; flex-direction: column; }
}