:root {
  color-scheme: dark;
  --bg: #090b0f;
  --panel: #11161d;
  --panel-2: #151d25;
  --line: #2b3744;
  --text: #eef3f5;
  --muted: #8fa1ad;
  --accent: #35d28f;
  --accent-2: #f0c75e;
  --danger: #ff5f73;
  --blue: #62b3ff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans TC", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(rgba(53, 210, 143, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(98, 179, 255, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% -10%, rgba(53, 210, 143, 0.15), transparent 34%),
    var(--bg);
  background-size: 22px 22px, 22px 22px, auto, auto;
  color: var(--text);
}

button {
  font: inherit;
  color: inherit;
}

.screen {
  min-height: 100svh;
  padding: max(16px, env(safe-area-inset-top)) 14px max(22px, env(safe-area-inset-bottom));
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.system-frame {
  width: min(100%, 560px);
  min-height: calc(100svh - 32px);
  border: 1px solid var(--line);
  background: rgba(12, 17, 22, 0.94);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 14px;
}

.topbar {
  min-height: 38px;
  border: 1px solid var(--line);
  background: #0d1218;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 0.78rem;
}

.signal {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.mono,
.eyebrow,
.mission-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 11vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 0;
  font-size: 1.7rem;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.lead,
.briefing {
  color: #c5d1d7;
  line-height: 1.65;
}

.fineprint {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.primary,
.ghost,
.back,
.icon-btn {
  min-height: 48px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: 12px 14px;
  cursor: pointer;
}

.primary {
  border-color: rgba(53, 210, 143, 0.75);
  background: linear-gradient(180deg, rgba(53, 210, 143, 0.22), rgba(53, 210, 143, 0.08));
  color: #effff8;
  font-weight: 800;
}

.ghost,
.back,
.icon-btn {
  color: #cbd7dd;
}

.back {
  width: fit-content;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mission-list,
.choices,
.doc-list,
.mini-grid {
  display: grid;
  gap: 10px;
}

.mission,
.choice,
.doc-row {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  display: grid;
  gap: 6px;
}

.mission strong,
.doc-row strong {
  font-size: 1.05rem;
}

.mission small,
.doc-row span {
  color: var(--muted);
  line-height: 1.4;
}

.mission.done {
  border-color: rgba(53, 210, 143, 0.65);
}

.mission.boss {
  border-color: rgba(240, 199, 94, 0.65);
  background: rgba(240, 199, 94, 0.08);
}

button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.choice {
  line-height: 1.55;
}

.choice:active,
.message-line:active,
.primary:active,
.ghost:active {
  transform: translateY(1px);
}

.meter-card,
.reveal-card,
.mini-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}

.meter-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.meter-label strong {
  color: var(--accent);
  font-size: 2rem;
}

.meter,
.bar {
  height: 14px;
  border: 1px solid var(--line);
  background: #080c11;
  overflow: hidden;
}

.meter span,
.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--blue));
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stats-grid div {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
}

.stats-grid strong,
.stats-grid span {
  display: block;
}

.stats-grid strong {
  font-size: 1.35rem;
  color: var(--accent-2);
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 6px;
}

blockquote {
  margin: 0;
  border-left: 3px solid var(--danger);
  background: rgba(255, 95, 115, 0.08);
  padding: 14px;
  line-height: 1.6;
}

.tag {
  color: var(--blue);
  font-size: 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.reveal-card p,
.mini-card p {
  color: #c8d4da;
  line-height: 1.65;
  margin-bottom: 0;
}

.chat {
  display: grid;
  gap: 8px;
}

.message-line {
  border: 1px solid var(--line);
  background: #dfeaf0;
  color: #182027;
  border-radius: 8px;
  padding: 12px;
  text-align: left;
  line-height: 1.55;
  cursor: pointer;
}

.message-line.selected {
  outline: 3px solid var(--accent-2);
  background: #fff6d8;
}

.analysis-list,
.skill-list {
  padding-left: 18px;
  margin: 0;
}

.analysis-list {
  display: grid;
  gap: 8px;
  padding-left: 0;
  list-style: none;
}

.analysis-list li {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.analysis-list li.picked {
  border-color: var(--accent-2);
}

.analysis-list strong {
  color: var(--accent);
}

.skill-list {
  color: #d7e1e6;
  line-height: 1.8;
}

@media (min-width: 720px) {
  .screen {
    padding: 28px;
  }

  .system-frame {
    min-height: calc(100svh - 56px);
    padding: 20px;
  }

  .mission-list {
    grid-template-columns: 1fr 1fr;
  }
}