/* ═══════════════════════════════════════════════════════
   个人作品集样式
   浅色为默认；深色既可跟随系统，也可手动锁定（data-theme）
   ═══════════════════════════════════════════════════════ */

:root {
  color-scheme: light;
  --bg: #fbfaf8;
  --bg-soft: #f3f1ec;
  --bg-card: #ffffff;
  --fg: #1b1a17;
  --fg-soft: #5f5c55;
  --line: #e3dfd6;
  --accent: #2f6d5a;
  --accent-soft: #e6f0eb;
  --radius: 14px;
  --maxw: 820px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow: 0 1px 2px rgba(20, 18, 14, 0.04), 0 8px 24px -18px rgba(20, 18, 14, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #131312;
    --bg-soft: #1c1c1a;
    --bg-card: #191918;
    --fg: #f0eee9;
    --fg-soft: #a3a099;
    --line: #2c2c29;
    --accent: #86c8ac;
    --accent-soft: #1d2f28;
    --shadow: none;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #131312;
  --bg-soft: #1c1c1a;
  --bg-card: #191918;
  --fg: #f0eee9;
  --fg-soft: #a3a099;
  --line: #2c2c29;
  --accent: #86c8ac;
  --accent-soft: #1d2f28;
  --shadow: none;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── 头部 ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 58px;
}

.brand {
  min-width: 0;
  flex: 0 1 auto;
  font-weight: 650;
  color: var(--fg);
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-nav {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

.site-nav a { color: var(--fg-soft); white-space: nowrap; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }

.theme-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--fg-soft);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ── 页面主体 ─────────────────────────────────────────── */
main {
  flex: 1 0 auto;
  padding: 44px 0 64px;
}

/* 首屏 */
.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: start;
}

.avatar,
.monogram {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  border: 1px solid var(--line);
  object-fit: cover;
  flex: 0 0 auto;
}

.monogram {
  display: grid;
  background-image: linear-gradient(135deg, rgba(47, 109, 90, 0.22), rgba(47, 109, 90, 0.04));
  place-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  background-image: linear-gradient(135deg, rgba(47, 109, 90, 0.2), rgba(47, 109, 90, 0.04));
}

.hero h1 {
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 3px 10px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  vertical-align: middle;
}

.status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.hero .tagline {
  color: var(--fg-soft);
  font-size: 1.02rem;
  margin: 8px 0 0;
}

.hero .bio {
  margin: 16px 0 0;
  max-width: 62ch;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.links a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--fg-soft);
  background: var(--bg-soft);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

/* 区块标题 */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 56px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 { font-size: 1.06rem; }
.section-head span { font-size: 0.82rem; color: var(--fg-soft); }

/* 关于 */
.about p {
  margin: 0 0 1em;
  max-width: 66ch;
  color: var(--fg);
}

.about p:last-child { margin-bottom: 0; }

/* ── 作品卡片 ─────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.card:hover { border-color: var(--accent); transform: translateY(-2px); }

.cover {
  aspect-ratio: 16 / 9;
  max-height: 200px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--line);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  object-fit: cover;
  background-color: var(--bg-soft);
  background-image: linear-gradient(135deg, rgba(47, 109, 90, 0.18), rgba(47, 109, 90, 0.03));
}

/* 无封面时的确定性配色：底色与字色同色系，深浅两套 */
.tone-0 { background-image: linear-gradient(135deg, rgba(47, 109, 90, 0.22), rgba(47, 109, 90, 0.04)); color: #276654; }
.tone-1 { background-image: linear-gradient(135deg, rgba(70, 84, 150, 0.22), rgba(70, 84, 150, 0.04)); color: #414e8c; }
.tone-2 { background-image: linear-gradient(135deg, rgba(146, 104, 42, 0.22), rgba(146, 104, 42, 0.04)); color: #7d5720; }
.tone-3 { background-image: linear-gradient(135deg, rgba(150, 70, 90, 0.22), rgba(150, 70, 90, 0.04)); color: #8b4053; }
.tone-4 { background-image: linear-gradient(135deg, rgba(90, 110, 60, 0.22), rgba(90, 110, 60, 0.04)); color: #4f6131; }
.tone-5 { background-image: linear-gradient(135deg, rgba(80, 95, 110, 0.22), rgba(80, 95, 110, 0.04)); color: #465463; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tone-0 { color: #8fd0b4; }
  :root:not([data-theme="light"]) .tone-1 { color: #a4b0e8; }
  :root:not([data-theme="light"]) .tone-2 { color: #dcc08a; }
  :root:not([data-theme="light"]) .tone-3 { color: #e0a3b1; }
  :root:not([data-theme="light"]) .tone-4 { color: #b3c98d; }
  :root:not([data-theme="light"]) .tone-5 { color: #a8bacb; }
}
:root[data-theme="dark"] .tone-0 { color: #8fd0b4; }
:root[data-theme="dark"] .tone-1 { color: #a4b0e8; }
:root[data-theme="dark"] .tone-2 { color: #dcc08a; }
:root[data-theme="dark"] .tone-3 { color: #e0a3b1; }
:root[data-theme="dark"] .tone-4 { color: #b3c98d; }
:root[data-theme="dark"] .tone-5 { color: #a8bacb; }

.card-body { padding: 16px 16px 6px; flex: 1; }

.card-title {
  display: block;
  font-size: 1.02rem;
  font-weight: 650;
  color: var(--fg);
}

/* 整张卡片可点（stretched link） */
.card-title::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.card:hover .card-title { color: var(--accent); }
.card-title:hover { text-decoration: none; }

.card-summary {
  margin: 8px 0 12px;
  color: var(--fg-soft);
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.chips li {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--fg-soft);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
}

.card-foot {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 14px;
  font-size: 0.8rem;
  color: var(--fg-soft);
}

.card-foot a { color: var(--fg-soft); }
.card-foot a:hover { color: var(--accent); }

/* 筹备中的占位卡 */
.placeholder-card {
  grid-column: 1 / -1;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 26px 20px;
  text-align: center;
  color: var(--fg-soft);
  font-size: 0.9rem;
}

.placeholder-card strong {
  display: block;
  color: var(--fg);
  font-size: 0.96rem;
  margin-bottom: 6px;
}

/* ── 详情页 ───────────────────────────────────────────── */
.crumbs { font-size: 0.86rem; color: var(--fg-soft); }
.crumbs a { color: var(--fg-soft); }
.crumbs a:hover { color: var(--accent); }

.detail h1 {
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-top: 12px;
}

.detail .lead {
  color: var(--fg-soft);
  margin: 10px 0 0;
  font-size: 1rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 18px 0 0;
  font-size: 0.84rem;
  color: var(--fg-soft);
}

.excerpt {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.excerpt p { margin: 0 0 1em; max-width: 66ch; }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  transition: opacity 0.16s ease;
}

.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }

/* 深色下填充按钮用深字，但幽灵按钮仍用强调色 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .btn.ghost { color: var(--accent); }
}
:root[data-theme="dark"] .btn.ghost { color: var(--accent); }
.btn:hover { text-decoration: none; opacity: 0.9; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .btn { color: #10201a; }
}
:root[data-theme="dark"] .btn { color: #10201a; }

/* 上一个 / 下一个 */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.pager a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  min-height: 62px;
}

.pager a:hover { border-color: var(--accent); text-decoration: none; }

.pager span {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-soft);
  margin-bottom: 3px;
}

.pager b { font-size: 0.92rem; font-weight: 600; }
.pager .next { text-align: right; }

/* ── 现在 ─────────────────────────────────────────────── */
.now-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.now-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
  font-size: 0.9rem;
}

.now-list b {
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 600;
  flex: 0 0 auto;
}

/* ── 通用提示 ─────────────────────────────────────────── */
.notice {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  color: var(--fg-soft);
  font-size: 0.88rem;
}

.notice code {
  font-size: 0.85em;
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 5px;
}

.empty { color: var(--fg-soft); font-size: 0.92rem; padding: 28px 0; }
.loading { color: var(--fg-soft); font-size: 0.92rem; padding: 40px 0; }

/* ── 页脚 ─────────────────────────────────────────────── */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 24px 0 44px;
  color: var(--fg-soft);
  font-size: 0.82rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 18px;
}

.footer-meta { opacity: 0.78; }

/* ── 私密区：登录 ─────────────────────────────────────── */
.gate {
  max-width: 380px;
  margin: 56px auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 28px 22px;
  box-shadow: var(--shadow);
}

.gate h1 { font-size: 1.2rem; }
.gate p { color: var(--fg-soft); font-size: 0.88rem; margin: 10px 0 20px; }

.gate label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-soft);
  margin-bottom: 6px;
}

.gate input[type="password"] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--fg);
  font-size: 1rem;
  font-family: inherit;
}

.gate button {
  width: 100%;
  margin-top: 14px;
  padding: 11px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .gate button { color: #10201a; }
}
:root[data-theme="dark"] .gate button { color: #10201a; }

.gate-error {
  margin: 0 0 14px;
  padding: 9px 12px;
  border-radius: 9px;
  background: #fdecea;
  color: #96271a;
  font-size: 0.84rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .gate-error { background: #3a1d1a; color: #ffb4a8; }
}
:root[data-theme="dark"] .gate-error { background: #3a1d1a; color: #ffb4a8; }

/* ── 私密区：台账 ─────────────────────────────────────── */
.ledger { list-style: none; padding: 0; margin: 0; }

.ledger li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.ledger li:last-child { border-bottom: 0; }

.badge {
  font-size: 0.7rem;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--fg-soft);
}

.badge.on { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.ledger .grow { flex: 1; min-width: 120px; color: var(--fg-soft); font-size: 0.82rem; }

.logout { margin-top: 34px; }

.logout button {
  background: none;
  border: 1px solid var(--line);
  color: var(--fg-soft);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
}

/* ── 动效：不做入场淡入（内容必须立刻可见），只保留悬停过渡 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card:hover { transform: none; }
}

/* ── 小屏 ─────────────────────────────────────────────── */
@media (max-width: 560px) {
  main { padding: 30px 0 48px; }
  .section-head { margin-top: 40px; }
  .site-nav { gap: 12px; font-size: 0.85rem; }
  /* 小屏放不下四个导航项：GitHub 在首屏链接区已经有了 */
  .site-nav .nav-github { display: none; }
  .hero { grid-template-columns: 1fr; gap: 14px; }
  .avatar, .monogram { width: 56px; height: 56px; border-radius: 16px; font-size: 1.3rem; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { text-align: left; }
}

/* ── 笔记列表 ─────────────────────────────────────────── */
.notes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.note-row {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.note-row:last-child { border-bottom: 0; }

.note-row-title {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--fg);
}

.note-row-title:hover { color: var(--accent); text-decoration: none; }

.note-date {
  display: block;
  font-size: 0.78rem;
  color: var(--fg-soft);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.note-row-summary {
  margin: 8px 0 0;
  color: var(--fg-soft);
  font-size: 0.9rem;
  max-width: 62ch;
}

/* ── 正文排版（Markdown 渲染结果）──────────────────────── */
.prose { max-width: 68ch; }

.prose h1 {
  font-size: clamp(1.5rem, 5vw, 1.95rem);
  margin: 0 0 20px;
}

.prose h2 {
  font-size: 1.18rem;
  margin: 34px 0 12px;
}

.prose h3 {
  font-size: 1.02rem;
  margin: 26px 0 10px;
}

.prose p { margin: 0 0 1.05em; }
.prose ul, .prose ol { margin: 0 0 1.05em; padding-left: 1.45em; }
.prose li { margin: 0.3em 0; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }

.prose blockquote {
  margin: 0 0 1.05em;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--accent);
  color: var(--fg-soft);
}

.prose blockquote p { margin: 0.35em 0; }

.prose code {
  font-size: 0.88em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

.prose pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0 0 1.2em;
}

.prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.86em;
  line-height: 1.6;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 30px 0;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.prose .note-date {
  margin: -8px 0 22px;
}

/* ── 图片灯箱 ─────────────────────────────────────────── */
.prose img,
[data-zoom] { cursor: zoom-in; }

body.lightbox-open { overflow: hidden; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 12, 11, 0.92);
  backdrop-filter: blur(4px);
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  right: 16px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.lightbox-close:hover { background: rgba(255, 255, 255, 0.2); }

@media (prefers-reduced-motion: no-preference) {
  .lightbox { animation: lb-in 0.16s ease-out; }
  @keyframes lb-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}