/**
 * G001「烈变」UI Foundations — shared tokens & primitives
 * Source: SheNicest UI kit (2026-07-28) — pink/void/scan language.
 * Keep pink under ~20% of viewport; one primary object per screen.
 * Load g001-fonts.css before this file.
 */

:root {
  --void: #08080b;
  --surface: #15141a;
  --pink: #ff2da6;
  --deep-pink: #91245f;
  --white: #f7f7f4;
  --muted: #a8a5ae;
  --line: #3d3740;
  --red: #ff3148;
  --space: clamp(20px, 4vw, 64px);
  --font-sans: "HarmonySN", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "Monocraft", ui-monospace, "Cascadia Mono", "Fira Code", Consolas, monospace;
  --font-digits: "DSEG7", var(--font-mono);
  --text-display: clamp(48px, 8vw, 96px);
  --text-h1: clamp(36px, 6vw, 56px);
  --text-h2: clamp(28px, 4vw, 40px);
  --text-body: 16px;
  --text-label: 12px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--void);
  color: var(--white);
}

body.g001-ui {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--white);
  background:
    radial-gradient(circle at 72% 12%, rgba(58, 34, 77, 0.3), transparent 28%),
    var(--void);
  -webkit-font-smoothing: antialiased;
}

body.g001-ui::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 45, 166, 0.025) 1px, transparent 1px);
  background-size: 4px 4px, 4px 4px;
  z-index: 0;
}

.g001-ui .ui-topbar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 8, 11, 0.86);
  backdrop-filter: blur(16px);
}

.g001-ui .ui-wordmark {
  font: 20px/1 "Monocraft", var(--font-mono);
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.g001-ui .ui-wordmark span { color: var(--pink); }

.g001-ui .ui-status {
  font: 12px/1 var(--font-mono);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}
.g001-ui .ui-status i {
  width: 8px;
  height: 8px;
  background: var(--pink);
  display: inline-block;
  box-shadow: 0 0 12px var(--pink);
}
.g001-ui .ui-status b { color: var(--pink); font-weight: 700; }

.g001-ui .hazard-edge { position: relative; }
.g001-ui .hazard-edge::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(42vw, 420px);
  height: 8px;
  background: repeating-linear-gradient(
    55deg,
    var(--deep-pink) 0 15px,
    transparent 15px 29px
  );
}

.g001-ui .ui-eyebrow {
  font: 12px/1.4 var(--font-mono);
  color: var(--pink);
  letter-spacing: 0.12em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.g001-ui .btn {
  appearance: none;
  border: 2px solid var(--pink);
  padding: 14px 20px;
  font: 700 14px/1.2 var(--font-sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.g001-ui .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--deep-pink);
}
.g001-ui .btn.primary {
  background: var(--pink);
  color: var(--void);
}
.g001-ui .btn.secondary {
  background: transparent;
  color: var(--pink);
}
.g001-ui .btn.ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--white);
}

.g001-ui .chip {
  font: 11px/1 var(--font-mono);
  border: 1px solid var(--line);
  padding: 8px 10px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}
.g001-ui .chip.active {
  border-color: var(--pink);
  color: var(--pink);
}
.g001-ui .chip i {
  width: 8px;
  height: 8px;
  background: var(--pink);
  display: inline-block;
  box-shadow: 0 0 12px var(--pink);
}

.g001-ui .scan-card {
  border: 1px solid rgba(247, 247, 244, 0.55);
  position: relative;
  background: rgba(21, 20, 26, 0.92);
  padding: clamp(24px, 4vw, 36px);
}

.g001-ui .scan-corners::before,
.g001-ui .scan-corners::after,
.g001-ui .scan-card::before,
.g001-ui .scan-card::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  pointer-events: none;
}
.g001-ui .scan-card::before {
  top: -2px;
  left: -2px;
  border-top: 3px solid var(--pink);
  border-left: 3px solid var(--pink);
}
.g001-ui .scan-card::after {
  right: -2px;
  bottom: -2px;
  border-right: 3px solid var(--pink);
  border-bottom: 3px solid var(--pink);
}

.g001-ui .invite-shell {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
  padding: var(--space);
}

.g001-ui .invite-card {
  width: min(520px, 100%);
}

.g001-ui .invite-card h1 {
  margin: 0 0 12px;
  font: 800 var(--text-h1)/1.05 var(--font-sans);
  letter-spacing: -0.02em;
}
.g001-ui .invite-card h1 em {
  font-style: normal;
  color: var(--pink);
}
/* UI kit display: condensed width for large titles only (≥32px) */
.g001-ui .display-condensed {
  display: block;
  overflow: hidden;
}
.g001-ui .display-condensed > span {
  display: inline-block;
  font: 900 var(--text-display)/0.85 var(--font-sans);
  letter-spacing: -0.04em;
  transform: scaleX(0.62);
  transform-origin: left center;
  white-space: nowrap;
}
.g001-ui .display-condensed em {
  font-style: normal;
  color: var(--pink);
}

.g001-ui .invite-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.g001-ui .invite-code {
  margin: 18px 0 22px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--void);
  font: 700 22px/1.2 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--pink);
  word-break: break-all;
}

.g001-ui .invite-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.g001-ui .invite-meta {
  margin-top: 18px;
  font: 12px/1.5 var(--font-mono);
  color: var(--muted);
}

.g001-ui .invite-meta a {
  color: var(--pink);
  text-decoration: none;
}
.g001-ui .invite-meta a:hover { text-decoration: underline; }

.g001-ui .progress-bar {
  margin-top: 20px;
  height: 3px;
  background: var(--line);
  overflow: hidden;
}
.g001-ui .progress-bar > i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--pink);
  box-shadow: 0 0 12px var(--pink);
  animation: g001-progress 0.7s linear forwards;
}

@keyframes g001-progress {
  from { width: 0; }
  to { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .g001-ui .btn:hover { transform: none; }
  .g001-ui .progress-bar > i { animation: none; width: 100%; }
}

.g001-ui .form-field { margin: 14px 0; }
.g001-ui .form-field label {
  display: block;
  font: 12px/1.4 var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.g001-ui .form-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--void);
  color: var(--white);
  font: 16px/1.4 var(--font-sans);
}
.g001-ui .form-field input:focus {
  outline: none;
  border-color: var(--pink);
  box-shadow: 0 0 0 1px var(--pink);
}
.g001-ui .msg { margin-top: 14px; font-size: 0.92rem; }
.g001-ui .msg.ok { color: #86efac; }
.g001-ui .msg.err { color: var(--red); }