/* aiember — Loading Page
   色板（设计简报定版，全实色）：底 #14110D / 面板 #1E1A14 / 面板浅 #26211A /
   描边 #38312A / 主字 #F2ECDF / 次字 #A79C88 / 弱字 #6E6656 /
   余烬橙 #E85D1F（唯一强调）/ 橙按下 #C24E18
   纪律：无渐变、无紫色、无发光阴影、无玻璃拟态；深度只靠 1px 实色描边。 */

:root {
  --bg: #14110D;
  --panel: #1E1A14;
  --panel-2: #26211A;
  --line: #38312A;
  --ink: #F2ECDF;
  --ink-2: #A79C88;
  --ink-3: #6E6656;
  --ember: #E85D1F;
  --ember-press: #C24E18;
  --red: #B3402E;
  --font-display: "Fraunces", "Noto Serif SC", "Songti SC", serif;
  --font-body: "Archivo", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-mono: "IBM Plex Mono", "Noto Sans SC", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- 0 · 顶栏 ---------- */
.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 28px; height: 27px; display: block; }
.brand-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.01em;
}

.topbar-right { display: flex; align-items: center; gap: 18px; }

.lang-switch { display: flex; align-items: center; gap: 6px; }
.lang-btn {
  background: none;
  border: 0;
  padding: 8px 4px;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--ink-3);
  cursor: pointer;
}
.lang-btn[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.lang-sep { color: var(--ink-3); font-size: 13px; }

.status { display: flex; align-items: center; gap: 8px; }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ember);
  flex: none;
}
.status-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

/* ---------- 1 · 首屏 ---------- */
.hero { padding: 56px 0 40px; }
.hero-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}
.hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: 0;
}
.hero-sub {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 34em;
}
.hero-phase {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.hero-phase::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--ember);
  margin-right: 10px;
  vertical-align: 1px;
}

/* ---------- 通用 ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}
.section-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--ember); color: #14110D; }
.btn-primary:active { background: var(--ember-press); }
.btn-primary:disabled { background: var(--panel-2); color: var(--ink-3); cursor: default; }
.btn-secondary { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-secondary:active { background: var(--panel-2); }

.msg { margin: 14px 0 0; font-size: 14px; line-height: 1.6; }
.msg-ok { color: var(--ink); }
.msg-error { color: var(--red); }

/* ---------- 2 · 余烬卡 ---------- */
.card-face {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  aspect-ratio: 8 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-mark { width: 92px; height: 88px; display: block; }
.card-number {
  position: absolute;
  right: 16px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.card-face.is-lit .card-number { color: var(--ink); }

.card-desc { margin: 0 0 18px; color: var(--ink-2); font-size: 14.5px; }

.disclaimer {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--ink);
}

#claim-open { width: 100%; }

.claim-form { margin-top: 4px; }
.claim-row { display: flex; gap: 10px; align-items: stretch; }
.handle-prefix {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  color: var(--ink-2);
  font-size: 15px;
}
#handle-input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
}
#handle-input::placeholder { color: var(--ink-3); }
#handle-input:focus { outline: 1px solid var(--ember); outline-offset: 0; }

.claimed-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.claimed-actions .btn { flex: 1 1 200px; }

.via-line {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-2);
}
.via-note { color: var(--ink-3); margin-left: 8px; font-size: 12px; }

.card-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-3);
}

/* ---------- 3 · 计数器条 ---------- */
.stats {
  display: flex;
  gap: 0;
  margin-top: 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.stat {
  flex: 1;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.stat + .stat { border-left: 1px solid var(--line); }
.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1.25;
  color: var(--ink);
}
.stat-value-text { font-size: 19px; letter-spacing: 0.06em; padding-top: 5px; }
.stat-label { font-size: 12.5px; color: var(--ink-2); }
.stat-note { font-size: 11.5px; color: var(--ink-3); line-height: 1.45; }

/* ---------- 4 · 名单窥视 ---------- */
.recent { margin-top: 40px; }
.recent-list { list-style: none; margin: 0; padding: 0; }
.recent-list li {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-2);
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
}
.recent-list li:first-child { border-top: 1px solid var(--line); }
.recent-empty { color: var(--ink-3); font-size: 14px; margin: 0; }

/* ---------- 5 · 关注 CTA ---------- */
.cta-panel { margin-top: 40px; }
.cta-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.35;
}
.cta-reason { margin: 0 0 18px; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 6 · 页脚 ---------- */
.footer { margin-top: 48px; }
.disclosure {
  border-left: 3px solid var(--ember);
  padding-left: 16px;
}
.disclosure p { margin: 0 0 8px; font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.disclosure p:first-child { color: var(--ink); }
.disclosure #foot-anchor { font-family: var(--font-mono); font-size: 12.5px; word-break: break-all; }
.foot-line {
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

/* ---------- 小屏 ---------- */
@media (max-width: 560px) {
  .hero { padding: 40px 0 32px; }
  .hero h1 { font-size: 32px; line-height: 1.25; }
  .panel { padding: 20px 16px; }
  .stats { flex-direction: column; }
  .stat + .stat { border-left: 0; border-top: 1px solid var(--line); }
  .claim-row { flex-wrap: wrap; }
  #handle-input { flex: 1 1 calc(100% - 30px); }
  #claim-submit { flex: 1 1 100%; }
}