/* FluxToken AI 日报 —— 配色沿用 fluxtoken.ai 既有设计变量，保证视觉一致 */

:root {
  --bg:        #0b0c0e;
  --surface:   #141518;
  --surface-2: #1b1c20;
  --surface-3: #26282d;
  --border:    #34363c;
  --text:      #f3f2ee;
  --text-dim:  #c3c2b7;
  --muted:     #898781;
  --accent:    #3987e5;
  --accent-dim:#2b6cb8;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1080px;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.muted { color: var(--muted); }

/* ---------------- 页头 ---------------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 12, 14, .85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: grid;
  place-items: center;
  letter-spacing: .5px;
}

.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 650; letter-spacing: .2px; }
.brand-text small {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav { display: flex; gap: 4px; flex: none; }
.site-nav a {
  color: var(--text-dim);
  font-size: 14px;
  padding: 7px 12px;
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.site-nav a:hover { background: var(--surface-3); color: var(--text); }

/* ---------------- 头部信息 ---------------- */
.digest-head {
  padding: 44px 0 26px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}

.digest-date {
  margin: 0 0 8px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -.5px;
  font-family: var(--mono);
}

.digest-count { margin: 0; color: var(--muted); font-size: 14px; }
.digest-count strong { color: var(--accent); font-weight: 650; }

/* ---------------- 卡片 ---------------- */
.cards { display: flex; flex-direction: column; gap: 14px; }

.card {
  display: flex;
  gap: 18px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .15s, transform .15s, background .15s;
}

.card:hover {
  border-color: var(--accent-dim);
  background: var(--surface-2);
}

.card-rank {
  flex: none;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--surface-3);
  line-height: 1.2;
  min-width: 34px;
  transition: color .15s;
}
.card:hover .card-rank { color: var(--accent); }

.card-body { min-width: 0; flex: 1; }

.card-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.42;
  letter-spacing: -.2px;
}

.card-summary {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.68;
}

.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
}

.badge {
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--surface-3);
  color: var(--text-dim);
  white-space: nowrap;
  font-size: 11.5px;
  letter-spacing: .2px;
}

.badge-zh { background: rgba(57, 135, 229, .16); color: #7db4f0; }

.badge-score {
  font-family: var(--mono);
  background: rgba(57, 135, 229, .12);
  color: var(--accent);
  font-weight: 600;
}

.card-link {
  margin-left: auto;
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 550;
  white-space: nowrap;
}
.card-link:hover { text-decoration: underline; }

/* ---------------- 归档 ---------------- */
.archive-block { margin: 56px 0 20px; }

.section-title {
  font-size: 15px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px;
}

.archive-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
  font-family: var(--mono);
}
.archive-list li:hover { border-color: var(--accent-dim); }
.archive-list .muted { font-family: var(--sans); font-size: 12px; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  margin-top: 64px;
  padding: 30px 0 44px;
  border-top: 1px solid var(--border);
}
.footer-inner p { margin: 0 0 6px; color: var(--muted); font-size: 13px; }
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--accent); }

/* ---------------- 移动端 ---------------- */
@media (max-width: 640px) {
  body { font-size: 15px; }

  .brand-text small { display: none; }
  .site-nav a { padding: 6px 9px; font-size: 13px; }

  .digest-head { padding: 30px 0 20px; }
  .digest-date { font-size: 26px; }

  .card { padding: 16px 15px; gap: 12px; border-radius: 10px; }
  .card-rank { font-size: 16px; min-width: 26px; }
  .card-title { font-size: 16.5px; }
  .card-summary { font-size: 13.5px; }
  .card-link { margin-left: 0; flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}