/* just-fucking.com - Base Styles */

:root {
  --bg: #0d0d0d;
  --fg: #e8e8e8;
  --accent: #ff3b3b;
  --accent-dim: #cc2a2a;
  --code-bg: #1a1a1a;
  --border: #333;
  --muted: #888;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --fg: #1a1a1a;
    --accent: #cc0000;
    --accent-dim: #990000;
    --code-bg: #f0f0f0;
    --border: #ddd;
    --muted: #666;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

body.zh {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.9;
}

/* Top Bar */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.top-bar a {
  color: var(--muted);
  text-decoration: none;
}

.top-bar a:hover {
  color: var(--accent);
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-weight: 500;
}

.github-link:hover {
  border-color: var(--accent);
  background: var(--border);
}

/* Language Switcher */
.lang-switch {
  position: relative;
}

.lang-switch summary {
  cursor: pointer;
  list-style: none;
  padding: 0.4rem 0.8rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.lang-switch summary::-webkit-details-marker {
  display: none;
}

.lang-switch summary::after {
  content: " ▼";
  font-size: 0.7rem;
}

.lang-switch[open] summary::after {
  content: " ▲";
}

.lang-switch .lang-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.25rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 120px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.lang-switch .lang-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.lang-switch .lang-menu a:last-child {
  border-bottom: none;
}

.lang-switch .lang-menu a:hover {
  background: var(--border);
  color: var(--accent);
}

.lang-switch .lang-menu a.active {
  color: var(--accent);
  font-weight: 600;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

body.zh h1 {
  letter-spacing: 0.05em;
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

p {
  margin-bottom: 1.25rem;
}

strong {
  color: var(--accent);
  font-weight: 700;
}

a {
  color: var(--accent);
}

/* Header Quote Style */
header > p:first-of-type {
  font-size: 1.5rem;
  font-style: italic;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

header > p:nth-of-type(2) {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

/* Code */
code {
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  padding: 1.25rem;
  border-radius: 6px;
  overflow-x: auto;
  border-left: 4px solid var(--accent);
  margin: 1.5rem 0;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Chat Style */
.chat {
  background: var(--code-bg);
  padding: 1.25rem;
  border-radius: 6px;
  border-left: 4px solid var(--accent);
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.chat .msg {
  margin-bottom: 0.5rem;
}

.chat .time {
  color: var(--muted);
  font-size: 0.8rem;
}

/* Lists */
ul {
  margin: 1rem 0 1.5rem 0;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

li::marker {
  color: var(--accent);
}

/* Divider */
hr {
  border: none;
  height: 2px;
  background: var(--border);
  margin: 3rem 0;
}

/* Final Section */
section:last-of-type p:first-of-type {
  font-size: 1.1rem;
  line-height: 2;
  text-align: center;
  margin: 2rem 0;
}

body.zh section:last-of-type p:first-of-type {
  line-height: 2.2;
}

section:last-of-type p:last-of-type {
  font-size: 1.8rem;
  font-weight: 900;
  text-align: center;
  color: var(--accent);
  margin-top: 2rem;
  padding: 1.5rem;
  border: 3px solid var(--accent);
  background: var(--code-bg);
}

/* Footer */
footer {
  margin-top: 3rem;
  text-align: center;
}

footer small {
  color: var(--muted);
  font-size: 0.85rem;
}

footer p {
  margin-bottom: 0.75rem;
}

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

footer a:hover {
  text-decoration: underline;
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--bg);
}

/* Homepage Specific */
.home-header {
  text-align: center;
  margin-bottom: 4rem;
}

.home-header h1 {
  font-size: 3rem;
}

.home-header > p {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0;
  font-style: normal;
}

.tagline {
  font-size: 1rem;
  margin-top: 2rem;
  padding: 1rem;
  border: 2px solid var(--border);
  background: var(--code-bg);
  text-align: center;
}

.tagline span {
  display: block;
  margin: 0.25rem 0;
}

.section-title {
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.pages {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pages li {
  margin-bottom: 1.5rem;
}

.pages > li > a {
  display: block;
  padding: 1.25rem;
  background: var(--code-bg);
  border-left: 4px solid var(--accent);
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.15s, background 0.15s;
}

.pages > li > a:hover {
  background: var(--border);
  border-left-color: var(--fg);
}

.pages .title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.25rem;
}

.pages .desc {
  font-size: 0.9rem;
  color: var(--muted);
}