/* ═══════════════════════════════════════════════
   YAOLOGY SYSTEMS — Tactical Telemetry UI
   Substrate: Dark CRT / Phosphor #EAEAEA
   Accent: Aviation Red #FF2A2A (唯一强调色)
   Green #4AF626: 仅用于 SYSTEM ONLINE 指示灯
   ═══════════════════════════════════════════════ */

:root {
  --bg: #0A0A0A;
  --panel: #121212;
  --panel-2: #161616;
  --ink: #EAEAEA;
  --ink-dim: #8A8A8A;
  --ink-faint: #4A4A4A;
  --red: #FF2A2A;
  --red-dim: #7A1414;
  --green: #4AF626;
  --line: #2A2A2A;
  --mono: "JetBrains Mono", "Courier New", monospace;
  --macro: "Archivo Black", "Noto Sans SC", "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  --macro-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Archivo Black", sans-serif;
  --cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* ─── 无圆角：全局强制 ─── */
* { border-radius: 0 !important; }

::selection { background: var(--red); color: var(--bg); }

/* ─── CRT 扫描线覆盖 ─── */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
}

/* ─── 机械噪点 ─── */
.noise-svg {
  position: fixed;
  width: 0;
  height: 0;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

samp {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ═══════════ 状态条 ═══════════ */
.statusbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: 1fr auto auto 1fr;
  gap: 1px;
  background: var(--line);
  border-bottom: 2px solid var(--red);
  font-size: 0;
}
.statusbar__cell {
  background: var(--bg);
  padding: 0.55rem 1rem;
  font-size: 0;
  white-space: nowrap;
}
.statusbar__cell--brand samp { color: var(--red); font-weight: 700; }
.statusbar__cell--right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: flex-end;
}
.lang-btn {
  background: transparent;
  border: 1px solid var(--ink-dim);
  border-left: 1px solid var(--ink-faint);
  color: var(--ink);
  padding: 0.2rem 0.6rem;
  margin-left: 0.4rem;
  cursor: pointer;
  font-family: var(--mono);
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.lang-btn:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.lang-btn samp { letter-spacing: 0.15em; }
.status-led {
  width: 8px;
  height: 8px;
  background: var(--ink-faint);
  display: inline-block;
}
.status-led[data-state="online"] { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-led[data-state="error"] { background: var(--red); box-shadow: 0 0 8px var(--red); }
.status-led[data-state="busy"] { background: var(--ink); animation: blink 0.5s step-end infinite; }

@keyframes blink { 50% { opacity: 0.15; } }

/* ═══════════ HERO ═══════════ */
.hero { padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 4rem); }
.hero__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.hero__title-block {
  background: var(--bg);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.hero__kicker { margin-bottom: clamp(1rem, 3vw, 2rem); }
.hero__kicker samp { color: var(--ink-dim); }
.hero__title {
  font-family: var(--macro);
  font-weight: 900;
  font-size: clamp(4rem, 12vw, 13rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--ink);
  user-select: none;
}
.hero__title-mark {
  color: var(--red);
  font-size: 0.35em;
  vertical-align: top;
  letter-spacing: 0;
}
.hero__subtitle {
  margin-top: clamp(0.8rem, 2vw, 1.5rem);
  color: var(--ink-dim);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
/* ═══ 中文排版适配：正字距 + 充足行高，避免方块字粘连/裁切 ═══ */
body[data-lang="zh"] .hero__subtitle,
body[data-lang="zh"] .module__name,
body[data-lang="zh"] .omen-card__name {
  font-family: var(--macro-zh);
  letter-spacing: 0.04em;
  line-height: 1.15;
}
body[data-lang="zh"] .module__name {
  font-weight: 900;
}
body[data-lang="zh"] .hero__title {
  font-family: var(--macro);
}
body[data-lang="zh"] samp {
  letter-spacing: 0.06em;
}
.hero__meta {
  background: var(--panel);
  min-width: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero__meta > div {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
}
.hero__meta > div:last-child { border-bottom: none; }
.hero__meta dt { color: var(--red); margin-bottom: 0.3rem; }
.hero__meta dd { color: var(--ink-dim); }

/* ═══════════ 通用模块 ═══════════ */
.section-hr {
  border: none;
  border-top: 2px solid var(--red);
  margin: 0;
}
.module {
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 4rem);
}
.module__header {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: start;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}
.module__no {
  font-family: var(--macro);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 0.9;
  color: var(--red);
  letter-spacing: -0.03em;
}
.module__name {
  font-family: var(--macro);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.module__tag { padding-top: 0.4rem; }
.module__tag samp { color: var(--ink-faint); }
.module__readout { padding-top: 0.4rem; text-align: right; }
.module__readout samp { color: var(--ink-dim); }
.module__body { border: 1px solid var(--line); background: var(--panel); }
.module__body--split {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1px;
  background: var(--line);
}

/* ═══════════ MODULE 01: 心电图 ═══════════ */
#ecg-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  cursor: crosshair;
}
.ecg-data { padding: 1.2rem clamp(1rem, 3vw, 2rem) 1.5rem; }
.ecg-data__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 1rem;
}
.ecg-data__grid > div {
  background: var(--panel-2);
  padding: 0.8rem 1rem;
}
.ecg-data__grid dt { color: var(--ink-faint); margin-bottom: 0.4rem; }
.ecg-data__grid dd samp { font-size: 0.9rem; color: var(--ink); }
#ecg-pct.pos { color: var(--red); }
#ecg-pct.neg { color: var(--green); }
#ecg-state { color: var(--red); }
.ecg-note samp { color: var(--ink-faint); font-size: 0.65rem; }

/* ═══════════ MODULE 02: 涂鸦板 ═══════════ */
.scribble-canvas-wrap {
  background: var(--bg);
  padding: clamp(0.8rem, 2vw, 1.5rem);
}
#scribble-canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--bg);
  cursor: crosshair;
  touch-action: none;
}
.scribble-hint { margin-top: 0.8rem; }
.scribble-hint samp { color: var(--ink-faint); font-size: 0.62rem; }

.scribble-console {
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.console-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.btn {
  background: var(--panel-2);
  color: var(--ink);
  border: none;
  padding: 1rem 0.8rem;
  cursor: pointer;
  font-family: var(--mono);
  transition: background 0.1s;
}
.btn:hover { background: #1E1E1E; }
.btn--primary { background: var(--red); color: var(--bg); font-weight: 700; }
.btn--primary:hover { background: #FF4A4A; }
.btn--primary:disabled { background: var(--red-dim); cursor: wait; }

.analysis-output {
  flex: 1;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-y: auto;
  max-height: 380px;
  min-height: 200px;
}
.analysis-idle { color: var(--ink-faint); }
.analysis-output .red { color: var(--red); }
.analysis-output .green { color: var(--green); }
.analysis-output .dim { color: var(--ink-dim); }
.analysis-output .big {
  font-family: var(--macro);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  line-height: 1;
  display: block;
  margin: 0.4rem 0;
}

/* ═══════════ MODULE 03: 卦象 ═══════════ */
.omen-card {
  display: grid;
  grid-template-columns: 160px 1fr 260px;
  gap: 1px;
  background: var(--line);
}
.omen-card__symbol {
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.omen-card__symbol samp {
  font-size: 3rem;
  letter-spacing: 0.2em;
  color: var(--red);
}
.omen-card__text {
  background: var(--panel);
  padding: clamp(1.2rem, 3vw, 2rem);
}
.omen-card__name {
  font-family: var(--macro);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.omen-card__name .mark { color: var(--red); }
.omen-card__judgement {
  color: var(--ink);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 0.8rem;
}
.omen-card__line samp { color: var(--ink-dim); font-size: 0.65rem; }
.omen-card__data {
  background: var(--panel-2);
  padding: 1rem;
}
.omen-card__data dl > div {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.omen-card__data dl > div:last-child { border-bottom: none; }
.omen-card__data dt { color: var(--ink-faint); }
.omen-card__data dd samp { color: var(--ink); }

/* ═══════════ FOOTER ═══════════ */
.footer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 2px solid var(--red);
}
.footer__cell {
  background: var(--bg);
  padding: 1rem;
}
.footer__cell samp { color: var(--ink-faint); font-size: 0.62rem; }

/* ═══════════ 响应式 ═══════════ */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__meta { flex-direction: row; }
  .hero__meta > div { border-bottom: none; border-right: 1px solid var(--line); }
  .module__body--split { grid-template-columns: 1fr; }
  .omen-card { grid-template-columns: 120px 1fr; }
  .omen-card__data { grid-column: 1 / -1; }
  .ecg-data__grid { grid-template-columns: repeat(3, 1fr); }
  .footer { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .module__header { grid-template-columns: auto 1fr; }
  .module__tag, .module__readout { grid-column: 1 / -1; }
  .ecg-data__grid { grid-template-columns: repeat(2, 1fr); }
  .omen-card { grid-template-columns: 1fr; }
}