/* src/styles/main.css — 设计系统：深色科技感为主 + 可切浅色 */

/* ---------- 令牌 ---------- */
:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  --maxw: 1120px;
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --accent: #22d3ee;
  --accent-2: #8b5cf6;
  --accent-3: #34d399;
  --warn: #fbbf24;
}

:root[data-theme="dark"] {
  --bg: #070b14;
  --bg-2: #0b1220;
  --panel: rgba(255, 255, 255, .045);
  --panel-2: rgba(255, 255, 255, .025);
  --line: rgba(148, 175, 214, .16);
  --line-2: rgba(148, 175, 214, .28);
  --fg: #e8eefb;
  --fg-2: #b3c2da;
  --muted: #7f92b0;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --glow: 0 0 0 1px rgba(34, 211, 238, .25), 0 12px 40px rgba(34, 211, 238, .12);
  --code-bg: #0d1526;
}

:root[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-2: #eef2f9;
  --panel: rgba(255, 255, 255, .82);
  --panel-2: rgba(255, 255, 255, .6);
  --line: rgba(15, 30, 60, .12);
  --line-2: rgba(15, 30, 60, .22);
  --fg: #101a2b;
  --fg-2: #33425a;
  --muted: #61738f;
  --shadow: 0 14px 40px rgba(16, 33, 66, .10);
  --glow: 0 0 0 1px rgba(124, 58, 237, .22), 0 10px 30px rgba(34, 211, 238, .14);
  --code-bg: #f2f5fa;
  --accent: #0891b2;
  --accent-2: #7c3aed;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-sans); font-size: 16px; line-height: 1.72;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1100px 620px at 82% -12%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
    radial-gradient(900px 560px at 8% 4%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 58%),
    linear-gradient(var(--bg), var(--bg-2));
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at 50% 12%, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 12%, #000 20%, transparent 72%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.02em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.14rem; }
p { margin: 0 0 1em; }
code, pre { font-family: var(--font-mono); font-size: .92em; }
code { background: var(--code-bg); padding: .12em .42em; border-radius: 5px; border: 1px solid var(--line); }
pre.code {
  background: var(--code-bg); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 16px 18px; overflow: auto; margin: 0 0 1.2em;
}
pre.code code { background: none; border: 0; padding: 0; }
blockquote {
  margin: 0 0 1.2em; padding: 6px 18px; border-left: 3px solid var(--accent);
  background: var(--panel-2); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--fg-2);
}
hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(18px, 4vw, 34px); }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg-2); padding: 10px 16px; z-index: 99; }
.skip:focus { left: 12px; }

/* ---------- 导航 ---------- */
header.site {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.03em; }
.brand .dot {
  width: 26px; height: 26px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a; font-size: 13px; font-weight: 900;
}
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; margin-inline-start: auto; }
.nav li a {
  display: block; padding: 8px 14px; border-radius: 999px; color: var(--fg-2);
  font-size: .93rem; font-weight: 500; transition: .2s var(--ease);
}
.nav li a:hover { color: var(--fg); background: var(--panel); }
.nav li a[aria-current="page"] { color: var(--fg); background: var(--panel); box-shadow: inset 0 0 0 1px var(--line-2); }
.icon-btn {
  width: 38px; height: 38px; border-radius: 11px; border: 1px solid var(--line);
  background: var(--panel); color: var(--fg); cursor: pointer; display: grid; place-items: center;
  transition: .2s var(--ease); font-size: 15px;
}
.icon-btn:hover { border-color: var(--line-2); transform: translateY(-1px); }
#navToggle { display: none; }

/* ---------- 页脚 ---------- */
footer.site { border-top: 1px solid var(--line); margin-top: 90px; padding: 30px 0 44px; color: var(--muted); font-size: .88rem; }
.foot { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; }
.foot a { color: var(--fg-2); }
.foot a:hover { color: var(--accent); }

/* ---------- 通用块 ---------- */
main { padding: clamp(28px, 5vw, 56px) 0 10px; }
.page-head { margin-bottom: 34px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); font-weight: 700; margin-bottom: 12px;
}
.lede { color: var(--fg-2); font-size: 1.06rem; max-width: 62ch; }
.section { margin: 46px 0; }
.grid { display: grid; gap: 18px; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 22px; position: relative; overflow: hidden; transition: .26s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), transparent 42%);
  opacity: 0; transition: .26s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }

.chip {
  display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: .78rem;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--fg-2);
}
.chip.accent { border-color: color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.badge-draft {
  display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; font-weight: 700;
  color: var(--warn); border: 1px dashed color-mix(in srgb, var(--warn) 55%, transparent);
  border-radius: 7px; padding: 2px 8px; letter-spacing: .04em;
}
.muted { color: var(--muted); }
.small { font-size: .86rem; }

.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px; border-radius: 999px;
  font-weight: 650; font-size: .95rem; border: 1px solid var(--line-2); background: var(--panel);
  color: var(--fg); cursor: pointer; transition: .22s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #051018; border-color: transparent;
}
:root[data-theme="light"] .btn.primary { color: #fff; }

/* ---------- 首页 Hero ---------- */
.hero { padding: clamp(30px, 7vw, 76px) 0 10px; }
.hero h1 { margin-bottom: .3em; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .role { color: var(--fg-2); font-size: 1.12rem; font-weight: 600; margin-bottom: .5em; }
.hero .lede { margin-bottom: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line); font-size: .85rem; color: var(--fg-2); margin-bottom: 22px;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-3) 60%, transparent); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 520px; }
.stat { padding: 16px 18px; border-radius: var(--r-md); background: var(--panel); border: 1px solid var(--line); }
.stat b { display: block; font-size: 1.7rem; letter-spacing: -.04em; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: .82rem; color: var(--muted); }

/* ---------- 作品卡 ---------- */
.work-card { display: flex; flex-direction: column; gap: 12px; }
.work-card h3 { margin: 0; }
.work-meta { font-size: .82rem; color: var(--muted); }
.work-row { font-size: .93rem; color: var(--fg-2); }
.work-row b { color: var(--muted); font-weight: 600; font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; display: block; margin-bottom: 2px; }
.metrics { display: flex; gap: 22px; flex-wrap: wrap; padding-top: 4px; }
.metric b { display: block; font-size: 1.35rem; color: var(--accent); letter-spacing: -.03em; }
.metric span { font-size: .78rem; color: var(--muted); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--accent), var(--accent-2), transparent); }
.tl-item { position: relative; padding: 0 0 26px; }
.tl-item::before { content: ""; position: absolute; left: -24px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.tl-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; }
.tl-head h3 { margin: 0; }
.tl-period { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.tl-item ul { margin: 8px 0 0; padding-left: 18px; color: var(--fg-2); }
.tl-item li { margin-bottom: 4px; }

/* ---------- 技能 ---------- */
.skill { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.skill:last-child { border-bottom: 0; }
.skill .lvl { font-size: .76rem; padding: 2px 9px; border-radius: 6px; background: var(--panel); border: 1px solid var(--line); color: var(--accent); white-space: nowrap; }
.skill .lbl { font-weight: 650; min-width: 170px; }
.skill .note { color: var(--muted); font-size: .88rem; }

/* ---------- 博客 ---------- */
.post-item { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.post-date { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); min-width: 96px; padding-top: 3px; }
.post-item h3 { margin: 0 0 4px; font-size: 1.12rem; }
.post-item h3 a:hover { color: var(--accent); }
.post-sum { color: var(--fg-2); font-size: .93rem; margin: 0 0 8px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.field {
  flex: 1 1 240px; display: flex; align-items: center; gap: 9px; padding: 10px 15px;
  border-radius: 999px; background: var(--panel); border: 1px solid var(--line);
}
.field input { flex: 1; background: none; border: 0; color: var(--fg); font: inherit; outline: none; }
.tag-filter { display: flex; flex-wrap: wrap; gap: 7px; }
.tag-filter button { font: inherit; font-size: .8rem; cursor: pointer; }
.post-body { max-width: 74ch; }
.post-body h2, .post-body h3 { margin-top: 1.7em; }
.post-body img { border-radius: var(--r-md); border: 1px solid var(--line); margin: 1em 0; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: .85rem; margin-bottom: 22px; }
.toc { position: sticky; top: 90px; font-size: .88rem; }
.toc h4 { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li a { display: block; padding: 5px 0 5px 14px; color: var(--fg-2); margin-left: -1px; border-left: 1px solid transparent; }
.toc li a:hover { color: var(--accent); border-left-color: var(--accent); }
.toc li.l3 a { padding-left: 28px; font-size: .84rem; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 46px; align-items: start; }
.pager { display: flex; justify-content: space-between; gap: 14px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .9rem; }

/* ---------- 照片墙 ---------- */
.masonry { columns: 3; column-gap: 16px; }
.shot { break-inside: avoid; margin-bottom: 16px; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); cursor: zoom-in; background: var(--panel); }
.shot img { width: 100%; transition: .4s var(--ease); }
.shot:hover img { transform: scale(1.035); }
.shot figcaption { padding: 9px 13px; font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line); }
.empty {
  text-align: center; padding: 58px 24px; border: 1px dashed var(--line-2); border-radius: var(--r-lg);
  color: var(--muted); background: var(--panel-2);
}
.lightbox { position: fixed; inset: 0; background: rgba(3, 7, 16, .9); display: none; place-items: center; z-index: 60; padding: 30px; }
.lightbox[open] { display: grid; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: var(--r-md); box-shadow: var(--shadow); }
.lightbox .lb-cap { color: #cfd9ea; margin-top: 12px; text-align: center; font-size: .9rem; }

/* ---------- 简历 ---------- */
.resume-head { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 2px solid var(--line-2); margin-bottom: 26px; }
.resume-name { font-size: 2.1rem; margin: 0; letter-spacing: -.04em; }
.contact-line { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: .9rem; color: var(--fg-2); }
.copy-btn { cursor: pointer; font: inherit; font-size: .84rem; border: 1px solid var(--line); background: var(--panel); color: var(--accent); border-radius: 7px; padding: 1px 9px; }
.rsec { margin: 30px 0; break-inside: avoid-page; }
.rsec > h2 { font-size: 1.02rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); border-bottom: 1px solid var(--line); padding-bottom: 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .two-col { grid-template-columns: 1fr; }
  .toc { position: static; }
  .cols-3, .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .masonry { columns: 2; }
}
@media (max-width: 720px) {
  #navToggle { display: grid; margin-inline-start: auto; }
  .nav ul {
    position: absolute; inset: 66px 14px auto 14px; flex-direction: column; gap: 2px; margin: 0;
    background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r-md);
    padding: 10px; box-shadow: var(--shadow); display: none;
  }
  .nav ul[data-open="true"] { display: flex; }
  .nav li a { padding: 11px 14px; border-radius: var(--r-sm); }
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 9px; }
  .stat { padding: 12px; }
  .stat b { font-size: 1.3rem; }
  .masonry { columns: 1; }
  .skill { flex-wrap: wrap; gap: 6px; }
  .skill .lbl { min-width: 0; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001s !important; transition-duration: .001s !important; }
  html { scroll-behavior: auto; }
}

/* ---------- A4 打印（简历页另存 PDF 用） ---------- */
@media print {
  :root, :root[data-theme="dark"] {
    --bg: #fff; --bg-2: #fff; --fg: #111; --fg-2: #333; --muted: #555;
    --panel: #fff; --panel-2: #fff; --line: #ccc; --line-2: #999; --accent: #0b6e7f; --accent-2: #5b21b6;
    --shadow: none; --code-bg: #f4f4f4;
  }
  body::before, body::after { display: none !important; }
  header.site, footer.site, .no-print, .hero-cta, .copy-btn { display: none !important; }
  main { padding: 0 !important; }
  .wrap { max-width: none; padding: 0; }
  body { font-size: 10.5pt; line-height: 1.5; }
  .card { box-shadow: none !important; transform: none !important; border: 1px solid #ddd; padding: 12px 14px; break-inside: avoid; }
  .rsec { margin: 14px 0; break-inside: avoid; }
  .resume-name { font-size: 17pt; }
  h2 { font-size: 12pt; }
  .grid.cols-2 { grid-template-columns: 1fr 1fr; gap: 8px; }
  a { color: #111; }
  @page { size: A4; margin: 14mm 13mm; }
}