/* ============================================================
   Johnson Zhang · 个人项目集
   双主题：默认浅色（纸张白 + 靛蓝 + 琥珀），可切换深色（夜幕蓝）
   ============================================================ */
:root {
  --bg: #F7F8FB;
  --bg-glow: #EDF1F9;
  --panel: #FFFFFF;
  --panel-2: #F1F4F9;
  --topbar-bg: rgba(247, 248, 251, .86);
  --line: #E3E8F0;
  --line-strong: #C9D4E4;
  --text: #1C2433;
  --muted: #5B6B82;
  --faint: #8B99AF;
  --signal: #C05E08;
  --signal-dim: rgba(192, 94, 8, .08);
  --blue: #2563EB;
  --blue-dim: rgba(37, 99, 235,.07);
  --shadow: 0 6px 22px rgba(28, 36, 51, .08);
  --radius: 14px;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --disp: "Chakra Petch", "Noto Sans SC", sans-serif;
  --body: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0C1320;
  --bg-glow: #152239;
  --panel: #121B2E;
  --panel-2: #16213A;
  --topbar-bg: rgba(12, 19, 32, .85);
  --line: #22304C;
  --line-strong: #334670;
  --text: #E8EEF7;
  --muted: #8CA2C0;
  --faint: #5A6E8C;
  --signal: #FFC24B;
  --signal-dim: rgba(255, 194, 75, .09);
  --blue: #6EA8FE;
  --blue-dim: rgba(110, 168, 254, .09);
  --shadow: 0 6px 22px rgba(0, 0, 0, .38);
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  background:
    radial-gradient(1100px 700px at 75% -12%, var(--bg-glow) 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s, color .25s;
}

.mono { font-family: var(--mono); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

/* ---------- 顶栏 ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.topbar-in {
  display: flex; justify-content: space-between; align-items: center;
  height: 50px; gap: 16px;
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-brand {
  font-size: 12px; letter-spacing: .14em; color: var(--text); font-weight: 600;
}
.topbar-brand em { color: var(--signal); font-style: normal; }
.topbar-time { font-size: 11px; color: var(--faint); letter-spacing: .05em; white-space: nowrap; }
.topbar-time b { color: var(--muted); font-weight: 500; }

.theme-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 9px;
  color: var(--muted); cursor: pointer;
  transition: color .15s, border-color .15s;
}
.theme-btn:hover { color: var(--text); border-color: var(--line-strong); }
html[data-theme="light"] .icon-sun { display: none; }
html[data-theme="dark"] .icon-moon { display: none; }

/* ---------- 个人介绍 ---------- */
.hero {
  display: flex; gap: 30px; align-items: flex-start;
  padding: 64px 0 48px;
}
.hero-avatar {
  width: 84px; height: 84px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--panel);
  box-shadow: var(--shadow);
  flex: none;
}
.hero-text { flex: 1; min-width: 0; }
.eyebrow {
  font-size: 11px; letter-spacing: .32em; color: var(--blue);
  margin-bottom: 10px;
}
.hero-text h1 {
  font-family: var(--disp);
  font-size: clamp(30px, 4.5vw, 42px);
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.owner-link { font-size: 13px; }
.owner-bio { color: var(--muted); font-size: 15px; margin: 12px 0 28px; max-width: 56ch; }

.stats { display: flex; gap: 44px; flex-wrap: wrap; }
.stat dt {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em;
  color: var(--faint); margin-bottom: 4px;
}
.stat dd {
  font-family: var(--disp); font-size: 30px; font-weight: 600;
  line-height: 1.1; font-variant-numeric: tabular-nums;
}
.stat dd.amber { color: var(--signal); }

/* ---------- 控制台 ---------- */
.console {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.search-box {
  display: flex; align-items: center; gap: 9px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 0 13px; height: 40px; color: var(--faint);
  flex: 1 1 240px; max-width: 340px;
  transition: border-color .18s;
}
.search-box:focus-within { border-color: var(--blue); color: var(--muted); }
.search-box input {
  background: none; border: none; outline: none;
  color: var(--text); font-family: var(--mono); font-size: 13px;
  width: 100%;
}
.search-box input::placeholder { color: var(--faint); }
.search-box input::-webkit-search-cancel-button { -webkit-appearance: none; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 2 1 auto; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11.5px;
  color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.chip .n { color: var(--faint); }
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip[aria-pressed="true"] {
  border-color: var(--signal); color: var(--text); background: var(--signal-dim);
}
.chip[aria-pressed="true"] .n { color: var(--signal); }

.sort-box {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11px; letter-spacing: .12em; color: var(--faint);
  margin-left: auto;
}
.sort-box select {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--mono); font-size: 12px;
  height: 40px; padding: 0 10px; cursor: pointer;
}

.count-line { font-size: 11.5px; color: var(--faint); letter-spacing: .08em; padding: 14px 0 4px; }

/* ---------- 项目卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  padding: 10px 0 56px;
}

.card {
  display: flex; flex-direction: column; gap: 11px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 19px 20px 16px;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.card-top { display: flex; align-items: baseline; gap: 9px; }
.card-name {
  font-family: var(--mono); font-size: 15px; font-weight: 600;
  color: var(--text); letter-spacing: .01em;
}
.card-name:hover { color: var(--blue); text-decoration: none; }
.card-home { font-size: 12px; color: var(--faint); }
.card-home:hover { color: var(--blue); }
.badge-archived {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  color: var(--faint); border: 1px solid var(--line);
  border-radius: 5px; padding: 2px 7px; margin-left: auto;
}

.card-desc { font-size: 13.5px; color: var(--muted); flex: 1; overflow-wrap: anywhere; }
.card-desc.none { color: var(--faint); }

.card-topics { display: flex; flex-wrap: wrap; gap: 6px; }
.topic {
  font-family: var(--mono); font-size: 10.5px; color: var(--faint);
  background: var(--blue-dim);
  border-radius: 5px; padding: 2.5px 8px;
}

.langbar { display: flex; height: 3px; border-radius: 2px; overflow: hidden; background: var(--line); }
.langbar i { display: block; height: 100%; }

.card-meta {
  display: flex; align-items: center; gap: 15px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11.5px; color: var(--faint);
  border-top: 1px solid var(--line);
  padding-top: 11px;
}
.card-meta .lang { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.card-meta .dot { width: 9px; height: 9px; border-radius: 50%; }
.card-meta .stars { color: var(--signal); display: inline-flex; align-items: center; gap: 5px; }
.card-meta .stars.zero { color: var(--faint); }
.card-meta .forks { display: inline-flex; align-items: center; gap: 5px; }
.card-meta .when { margin-left: auto; }

/* ---------- 空状态 / 错误 ---------- */
.state-panel {
  text-align: center; padding: 64px 20px 72px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  color: var(--text); font-size: 15px; margin-bottom: 56px;
  background: var(--panel);
}
.state-panel .sub { color: var(--faint); font-size: 13px; margin-top: 6px; }
.reset-btn {
  margin-top: 18px; background: var(--signal-dim);
  border: 1px solid var(--signal); border-radius: 9px;
  color: var(--signal); font-family: var(--mono); font-size: 12.5px;
  padding: 9px 20px; cursor: pointer;
  transition: filter .15s;
}
.reset-btn:hover { filter: brightness(1.05); }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); padding: 26px 0 34px; }
.footer-in { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer p { font-size: 11px; color: var(--muted); letter-spacing: .05em; }
.footer p.dim, .footer p.dim span { color: var(--faint); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .hero { flex-direction: column; gap: 20px; padding: 44px 0 36px; }
  .stats { gap: 30px; }
  .sort-box { margin-left: 0; }
  .topbar-time { display: none; }
}

/* ---------- 动效克制 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .card:hover { transition: none; transform: none; }
  body { transition: none; }
}