/* ============================================================
   themes/default/style.css
   极江个人主页 — 默认主题
   如需换主题，替换此文件夹即可，不用动任何 HTML/JS
   ============================================================ */

/* ─── CSS Variables ─── */
:root {
  --bg:          #0a0a0a;
  --bg-card:     #111111;
  --bg-hover:    #171717;
  --border:      #1e1e1e;
  --border-mid:  #2a2a2a;
  --accent:      #5affc8;
  --accent-dim:  rgba(90, 255, 200, 0.12);
  --accent-line: rgba(90, 255, 200, 0.35);
  --text-1:      #e8e8e8;
  --text-2:      #999999;
  --text-3:      #555555;
  --tag-open:    #5affc8;
  --tag-tool:    #ff9f43;
  --tag-source:  #a29bfe;
  --tag-github:  #74b9ff;
  --font-sans:   'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --radius:      6px;
  --radius-sm:   4px;
  --shadow:      0 4px 24px rgba(0,0,0,0.6);
  --transition:  0.18s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--accent-dim); color: var(--accent); }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a3a; }

/* ─── Layout ─── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--accent);
}
.section-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}
.section-desc { font-size: 15px; color: var(--text-2); margin-bottom: 48px; }

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 58px;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.nav.scrolled {
  background: rgba(10,10,10,0.92);
  border-color: var(--border);
  backdrop-filter: blur(12px);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text-1); background: var(--bg-hover); }
.nav-link.active { color: var(--accent); }
.nav-menu-btn {
  display: none;
  width: 32px; height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.nav-menu-btn:hover { background: var(--bg-hover); }
.nav-menu-btn span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text-2);
  transition: var(--transition);
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 58px;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.4;
  pointer-events: none;
}
.hero-bg-glow {
  position: absolute;
  top: 20%; left: 5%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(90,255,200,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-greeting {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-greeting::before {
  content: '>';
  font-size: 11px;
  opacity: 0.7;
}
.hero-name {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 12px;
}
.hero-name .highlight {
  color: var(--accent);
  position: relative;
}
.hero-tagline {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--text-2);
  font-weight: 300;
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-desc {
  font-size: 15px;
  color: var(--text-2);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border: 1px solid var(--accent);
}
.btn-primary:hover { background: #3de8b0; border-color: #3de8b0; }
.btn-outline {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-mid);
}
.btn-outline:hover { border-color: var(--text-3); background: var(--bg-hover); }
.hero-scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  animation: bounce 2.5s infinite;
}
.hero-scroll-arrow {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, var(--text-3));
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ─── Social Links ─── */
.social-links { display: flex; gap: 8px; margin-top: 4px; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.social-link:hover { border-color: var(--border-mid); color: var(--text-1); background: var(--bg-hover); }
.social-link svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ─── Works Section ─── */
.works { background: var(--bg); }
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 16px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--card-accent, var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.project-card:hover::before { opacity: 1; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.card-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-hover);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.tag-open  { background: rgba(90,255,200,0.1); color: var(--tag-open); border: 1px solid rgba(90,255,200,0.2); }
.tag-tool  { background: rgba(255,159,67,0.1);  color: var(--tag-tool); border: 1px solid rgba(255,159,67,0.2); }
.tag-source{ background: rgba(162,155,254,0.1);  color: var(--tag-source); border: 1px solid rgba(162,155,254,0.2); }
.tag-github{ background: rgba(116,185,255,0.1);  color: var(--tag-github); border: 1px solid rgba(116,185,255,0.2); }
.card-title { font-size: 17px; font-weight: 600; color: var(--text-1); line-height: 1.3; }
.card-desc  { font-size: 14px; color: var(--text-2); line-height: 1.6; flex: 1; }
.card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}
.card-meta-dot { width: 3px; height: 3px; background: var(--border-mid); border-radius: 50%; }
.card-actions { display: flex; gap: 8px; margin-top: 4px; }
.card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-2);
}
.card-btn:hover { border-color: var(--border-mid); color: var(--text-1); background: var(--bg-hover); }
.card-btn.primary-btn {
  border-color: rgba(90,255,200,0.3);
  color: var(--accent);
  background: var(--accent-dim);
}
.card-btn.primary-btn:hover { background: rgba(90,255,200,0.18); border-color: var(--accent-line); }
.card-btn svg { width: 13px; height: 13px; }

/* ─── About Section ─── */
.about { background: var(--bg); border-top: 1px solid var(--border); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 16px; }
.about-text p:last-child { margin-bottom: 0; }
.about-text p strong { color: var(--text-1); font-weight: 500; }
.skills-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.skill-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  transition: var(--transition);
}
.skill-chip:hover { border-color: var(--border-mid); color: var(--text-1); }
.stat-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}
.stat-number {
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 12px; color: var(--text-3); }

/* ─── Thoughts Section ─── */
.thoughts { background: var(--bg); border-top: 1px solid var(--border); }
.thoughts-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}
.thoughts-header .section-desc { margin-bottom: 0; }
.thoughts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.thought-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
  cursor: pointer;
}
.thought-card:hover { border-color: var(--border-mid); }
.thought-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 12px;
}
.thought-location {
  display: flex;
  align-items: center;
  gap: 4px;
}
.thought-location svg { width: 10px; height: 10px; }
.thought-content { font-size: 14px; color: var(--text-2); line-height: 1.65; margin-bottom: 14px; }
.thought-imgs { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.thought-img {
  width: 72px; height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.thoughts-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 0;
  color: var(--text-3);
}
.thoughts-empty-icon { font-size: 32px; margin-bottom: 12px; }
.thoughts-empty p { font-size: 14px; }
.thoughts-load-more {
  text-align: center;
  margin-top: 32px;
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 13px;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.footer-copy a { color: var(--text-2); }
.footer-copy a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 16px; }
.footer-link {
  font-size: 12px;
  color: var(--text-3);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--text-2); }

/* ─── Admin Entry (hidden, only shows in URL) ─── */
.admin-hint { display: none; }

/* ─── Toast ─── */
.toast-wrap {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-1);
  box-shadow: var(--shadow);
  animation: toastIn 0.2s ease;
  max-width: 320px;
}
.toast.success { border-left: 3px solid var(--accent); }
.toast.error   { border-left: 3px solid #ff6b6b; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─── Mobile Navigation Drawer ─── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
.mobile-nav.open { display: block; }
.mobile-nav-inner {
  position: absolute;
  top: 0; right: 0;
  width: 240px; height: 100%;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 80px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-link {
  font-size: 15px;
  color: var(--text-2);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--text-1); background: var(--bg-hover); }

/* ─── Code Viewer (for hb-dg page) ─── */
.code-viewer-page {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-sans);
}
.code-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.code-tabs::-webkit-scrollbar { display: none; }
.code-tab {
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-3);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
  cursor: pointer;
}
.code-tab:hover { color: var(--text-2); }
.code-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  gap: 12px;
  flex-wrap: wrap;
}
.code-file-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
}
.code-file-info .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.code-actions { display: flex; gap: 8px; }
.code-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--font-sans);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  background: var(--bg);
  transition: var(--transition);
  cursor: pointer;
}
.code-btn:hover { border-color: var(--text-3); color: var(--text-1); }
.code-btn.accent { border-color: var(--accent-line); color: var(--accent); background: var(--accent-dim); }
.code-btn.accent:hover { background: rgba(90,255,200,0.18); }
.code-content-wrap { display: flex; overflow: auto; max-height: calc(100vh - 160px); }
.code-line-nums {
  padding: 20px 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  text-align: right;
  user-select: none;
  min-width: 52px;
  flex-shrink: 0;
}
.code-line-nums span {
  display: block;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-3);
}
pre[class*="language-"] {
  margin: 0 !important;
  border-radius: 0 !important;
  padding: 20px 24px !important;
  background: var(--bg) !important;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  line-height: 1.6 !important;
  flex: 1;
}
code[class*="language-"] { font-family: var(--font-mono) !important; font-size: 13px !important; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  section { padding: 60px 0; }
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
  .works-grid { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .thoughts-grid { grid-template-columns: 1fr; }
  .thoughts-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .social-links { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .project-card { padding: 20px; }
  .hero-name { font-size: 34px; }
}