/* al-folio style theme — pure CSS port (no Jekyll).
   Palette and typography follow alshedivat/al-folio defaults. */

:root {
  --global-bg-color: #ffffff;
  --global-text-color: #000000;
  --global-text-color-light: #828282;
  --global-theme-color: #b509ac;
  --global-hover-color: #b509ac;
  --global-divider-color: rgba(0, 0, 0, 0.1);
  --global-card-bg-color: #ffffff;
  --global-code-bg-color: rgba(181, 9, 172, 0.05);
  --map-land-color: #f0f0f1;
  --map-stroke-color: #c6c6cb;
  --map-visited-color: #f3dcf1;
}

html[data-theme="dark"] {
  --global-bg-color: #1c1c1d;
  --global-text-color: #e8e8e8;
  --global-text-color-light: #aaaaaa;
  --global-theme-color: #2698ba;
  --global-hover-color: #2698ba;
  --global-divider-color: #424246;
  --global-card-bg-color: #212529;
  --global-code-bg-color: #2c3237;
  --map-land-color: #2a2e33;
  --map-stroke-color: #54585f;
  --map-visited-color: #1f3d47;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: "Roboto", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: var(--global-text-color);
  background-color: var(--global-bg-color);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--global-theme-color);
  text-decoration: none;
}

a:hover {
  color: var(--global-hover-color);
  text-decoration: underline;
}

img {
  max-width: 100%;
}

/* ---------- top navigation ---------- */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--global-bg-color);
  border-bottom: 1px solid var(--global-divider-color);
}

.nav-inner {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1.25rem;
  min-height: 57px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.nav-brand {
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--global-text-color);
  padding: 0.85rem 0;
}

.nav-brand:hover {
  color: var(--global-hover-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: block;
  padding: 0.85rem 0.65rem;
  font-size: 0.95rem;
  color: var(--global-text-color);
}

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

.theme-toggle {
  border: none;
  background: none;
  padding: 0.85rem 0.65rem;
  font-size: 0.95rem;
  color: var(--global-text-color);
  cursor: pointer;
  line-height: inherit;
}

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

/* ---------- main content column ---------- */

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 100px 1.25rem 3rem;
}

.post-title {
  font-family: "Roboto Slab", "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.25;
  margin: 0 0 0.25rem;
}

.post-title .font-weight-bold {
  font-weight: 700;
}

.post-title .title-alt {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--global-text-color-light);
  margin-left: 0.4rem;
  white-space: nowrap;
}

.post-desc {
  font-size: 1.06rem;
  color: var(--global-text-color-light);
  margin: 0 0 2.25rem;
}

.post-desc a {
  color: var(--global-text-color-light);
  text-decoration: underline;
  text-decoration-color: var(--global-divider-color);
}

.post-desc a:hover {
  color: var(--global-hover-color);
}

/* ---------- profile photo (floats right, al-folio about layout) ---------- */

.profile {
  float: right;
  width: 38%;
  margin: 0.25rem 0 0.75rem 1.5rem;
  text-align: center;
}

.profile img {
  width: 100%;
  border-radius: 0.5rem;
}

.profile .address {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--global-text-color-light);
  line-height: 1.5;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

/* ---------- sections ---------- */

section {
  margin-top: 3rem;
}

section h2 {
  font-family: "Roboto Slab", "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--global-divider-color);
}

section p {
  margin: 0 0 1rem;
}

/* news / education rows: grey date column + body, like al-folio's news table */

.entry {
  display: flex;
  gap: 1.5rem;
  padding: 0.55rem 0;
}

.entry + .entry {
  border-top: 1px solid transparent; /* keep rhythm without visible lines, as in al-folio news */
}

.entry-date {
  flex: 0 0 9.5rem;
  font-size: 0.92rem;
  color: var(--global-text-color-light);
  padding-top: 0.1rem;
}

.entry-body {
  flex: 1;
}

.entry-body .entry-title {
  margin: 0;
}

.entry-body .entry-note {
  margin: 0.1rem 0 0;
  font-size: 0.94rem;
  color: var(--global-text-color-light);
}

/* ---------- map figure ---------- */

.map-figure {
  margin: 0;
}

.map-figure figcaption {
  margin-top: 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--global-text-color-light);
}

/* inline SVG journey map — colors follow the page theme */

.journey-map {
  display: block;
  width: 100%;
  height: auto;
}

.journey-map .province {
  fill: var(--map-land-color);
  stroke: var(--map-stroke-color);
  stroke-width: 0.7;
  stroke-linejoin: round;
}

.journey-map .province.visited {
  fill: var(--map-visited-color);
}

.journey-map .route {
  fill: none;
  stroke: var(--global-theme-color);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 0.5 6.5;
}

.journey-map .city-ring {
  fill: var(--global-bg-color);
  stroke: var(--global-theme-color);
  stroke-width: 2;
}

.journey-map .city-dot {
  fill: var(--global-theme-color);
}

.journey-map .city-name {
  fill: var(--global-text-color);
  font-size: 14px;
  font-weight: 500;
}

.journey-map .city-year {
  fill: var(--global-text-color-light);
  font-size: 11.5px;
  font-weight: 400;
}

/* ---------- contact ---------- */

.contact-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.contact-list li {
  padding: 0.3rem 0;
}

.contact-list .contact-label {
  display: inline-block;
  min-width: 9.5rem;
  color: var(--global-text-color-light);
  font-size: 0.95rem;
}

.social {
  text-align: center;
  padding: 1rem 0 0;
}

.social a {
  display: inline-block;
  padding: 0 0.55rem;
  font-size: 1.8rem;
  color: var(--global-text-color);
}

.social a:hover {
  color: var(--global-hover-color);
  text-decoration: none;
}

/* click-to-copy email feedback */

.copy-state {
  margin-left: 0.6rem;
  font-size: 0.85rem;
  color: var(--global-theme-color);
}

.copy-toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 0.45rem 1rem;
  background-color: var(--global-card-bg-color);
  border: 1px solid var(--global-divider-color);
  border-radius: 0.4rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  font-size: 0.85rem;
  color: var(--global-text-color);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.copy-toast.show {
  opacity: 1;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--global-divider-color);
  margin-top: 3.5rem;
}

.site-footer .footer-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.4rem 1.25rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--global-text-color-light);
}

.site-footer a {
  color: var(--global-text-color-light);
  text-decoration: underline;
  text-decoration-color: var(--global-divider-color);
}

.site-footer a:hover {
  color: var(--global-hover-color);
}

/* ---------- responsive ---------- */

@media (max-width: 700px) {
  .post-title {
    font-size: 2rem;
  }

  .post-title .title-alt {
    display: block;
    margin-left: 0;
  }

  .profile {
    float: none;
    width: 85%;
    margin: 0 auto 1.5rem;
  }

  .entry {
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.7rem 0;
  }

  .entry-date {
    flex: none;
  }

  .nav-inner {
    padding: 0 0.75rem;
  }

  .nav-links a,
  .theme-toggle {
    padding: 0.85rem 0.45rem;
    font-size: 0.9rem;
  }
}