/* =========================================================
   rawssg – Terminal Manpage Styles (Refactored)
   Modern, accessible, responsive, with sidebar & search.
   ========================================================= */

/* ---------- CSS Custom Properties (Light/Dark) ---------- */
:root {
  --bg: #0a0a0a;
  --text: #b0b0b0;
  --muted: #777;
  --heading: #e5e5e5;
  --accent: #8be9fd;
  --accent-hover: #fff;
  --border: #2a2a2a;
  --code-bg: #141414;
  --pre-bg: #0d0d0d;
  --pre-border: #2e2e2e;
  --meta-label: #d0d0d0;
  --synopsis-color: #999;
  --blockquote-bg: #111;
  --blockquote-text: #aaa;
  --button-muted: #666;
  --progress-bg: rgba(139, 233, 253, 0.3);
  --toc-bg: rgba(10, 10, 10, 0.97);
  --search-bg: #0f0f0f;
  --term-success: #50fa7b;
  --term-error: #ff5555;
  --term-warning: #f1fa8c;
  --strong-color: #e8e8e8;
  --em-color: #ccc;
  --code-text: #c5c8c6;
  --pre-text: #c0c0c0;
  --table-header-bg: #0f0f0f;
  --overlay-bg: rgba(0, 0, 0, 0.8);
  --focus-ring: var(--accent);
  --sidebar-width: 220px;
  --transition-speed: 0.2s;
}

[data-theme="light"],
html.light {
  --bg: #f5f5f0;
  --text: #333;
  --muted: #666;
  --heading: #111;
  --accent: #06c;
  --accent-hover: #048;
  --border: #ccc;
  --code-bg: #e8e8e8;
  --pre-bg: #f0f0f0;
  --pre-border: #ccc;
  --meta-label: #222;
  --synopsis-color: #555;
  --blockquote-bg: #eee;
  --blockquote-text: #444;
  --button-muted: #888;
  --progress-bg: rgba(0, 102, 204, 0.3);
  --toc-bg: rgba(245, 245, 240, 0.97);
  --search-bg: #fafaf5;
  --strong-color: #111;
  --em-color: #333;
  --code-text: #1f2937;
  --pre-text: #222;
  --table-header-bg: #eaeaea;
  --overlay-bg: rgba(0, 0, 0, 0.5);
}

/* ---------- Base Reset & Typography ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", "IBM Plex Mono", "Fira Code", monospace;
  line-height: 1.7;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  transition:
    background-color var(--transition-speed),
    color var(--transition-speed);
  position: relative;
}

body.no-transition,
body.no-transition * {
  transition: none !important;
}

/* ---------- Accessibility: Skip Link & Focus ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 1rem;
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}

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

/* ---------- Progress Bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--progress-bg);
  width: 0;
  z-index: 99;
  transition: width 0.1s linear;
}

/* ---------- Top Navigation ---------- */
.top-nav {
  max-width: 56rem;
  margin: 0 auto 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.top-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.top-nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-speed);
}
.top-nav a:hover {
  border-bottom-color: var(--accent);
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg);
  border-left: 1px solid var(--border);
  padding: 2rem 1rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 90;
  overflow-y: auto;
}
.sidebar.open {
  transform: translateX(0);
}
.sidebar ul {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}
.sidebar li {
  margin-bottom: 0.8rem;
}
.sidebar a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    color var(--transition-speed),
    border-color var(--transition-speed);
}
.sidebar a:hover,
.sidebar a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.sidebar-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 1.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  z-index: 91;
  display: none;
}

@media (max-width: 850px) {
  .sidebar {
    width: 100%;
    max-width: 300px;
  }
  .sidebar-toggle {
    display: block;
  }
}

/* ---------- Main Content Area ---------- */
.manpage {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 0;
  position: relative;
}

.ascii-decor {
  color: var(--border);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
  user-select: none;
}

.title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.blinking-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  font-weight: 400;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.synopsis {
  font-style: italic;
  color: var(--synopsis-color);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  min-height: 1.6em;
}

.separator {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0 2rem;
}

.meta p {
  display: flex;
  align-items: baseline;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}
.meta strong {
  display: inline-block;
  min-width: 10rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--meta-label);
  font-size: 0.9rem;
}

.repo-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
  transition:
    color var(--transition-speed),
    border-color var(--transition-speed);
}
.repo-link:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

/* ---------- Search & Table of Contents ---------- */
.page-tools {
  margin: 2rem 0 1rem;
}
.term-search {
  display: flex;
  align-items: center;
  background: var(--search-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
  margin-bottom: 1rem;
  opacity: 0.9;
  transition: opacity var(--transition-speed);
}
.term-search:hover {
  opacity: 1;
}
.search-prompt {
  color: var(--accent);
  margin-right: 0.5rem;
  white-space: nowrap;
  font-weight: 500;
  user-select: none;
}
#search-input {
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  flex: 1;
  outline: none;
  padding: 0.2rem 0;
}
#search-input::placeholder {
  color: var(--muted);
  font-style: italic;
}
.search-results {
  color: var(--muted);
  margin-left: 0.5rem;
  white-space: nowrap;
}
.search-clear {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.3rem;
  transition: color var(--transition-speed);
}
.search-clear:hover {
  color: var(--accent);
}

.search-highlight {
  background: rgba(139, 233, 253, 0.35);
  color: var(--heading);
  border-radius: 2px;
  padding: 0 0.1em;
}
.search-highlight.current {
  background: var(--accent);
  color: #000;
}

.toc-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.3rem 0.8rem;
  border-radius: 3px;
  cursor: pointer;
  margin-bottom: 0.8rem;
  transition: background var(--transition-speed);
}
.toc-toggle:hover {
  background: var(--code-bg);
}
.man-toc {
  background: var(--toc-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
  max-height: 60vh;
  overflow-y: auto;
  font-size: 0.9rem;
  display: none;
  backdrop-filter: blur(5px);
}
.man-toc.visible {
  display: block;
}
.man-toc ul {
  list-style: none;
  padding-left: 0;
}
.man-toc li {
  margin-bottom: 0.4rem;
}
.man-toc a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--transition-speed),
    color var(--transition-speed);
}
.man-toc a:hover,
.man-toc a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Article Content ---------- */
.content {
  margin-top: 2rem;
  line-height: 1.8;
}
.content > * + * {
  margin-top: 1.5rem;
}

/* Headings */
.content h1 {
  font-size: 1.9rem;
}
.content h2 {
  font-size: 1.6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}
.content h3 {
  font-size: 1.3rem;
  font-weight: 600;
}
.content h4 {
  font-size: 1.1rem;
  font-style: italic;
}
.content h5 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.content h6 {
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--muted);
}
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
  color: var(--heading);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  scroll-margin-top: 2rem;
}

/* Inline elements */
.content p {
  margin-bottom: 1.2rem;
}
.content strong,
.content b {
  color: var(--strong-color);
  font-weight: 600;
}
.content em,
.content i {
  color: var(--em-color);
}
.content del {
  text-decoration: line-through;
  opacity: 0.7;
}
.content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
  transition:
    color var(--transition-speed),
    border-color var(--transition-speed);
}
.content a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

/* Lists */
.content ul,
.content ol {
  padding-left: 2rem;
  list-style: none;
  margin-bottom: 1.2rem;
}
.content li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: 0.5rem;
}
.content ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}
.content ol {
  counter-reset: item;
}
.content ol li::before {
  counter-increment: item;
  content: counter(item) ".";
  position: absolute;
  left: 0;
  color: var(--muted);
  min-width: 1.5em;
}

/* Quotes, code, tables */
.content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--blockquote-bg);
  border-left: 3px solid var(--accent);
  color: var(--blockquote-text);
  border-radius: 2px;
}
.content code {
  font-family: inherit;
  background: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--code-text);
}
.content pre {
  background: var(--pre-bg);
  border: 1px solid var(--pre-border);
  border-radius: 4px;
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--pre-text);
}
.content pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.content th,
.content td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border);
}
.content th {
  background: var(--table-header-bg);
  color: var(--heading);
  font-weight: 600;
}
.content img {
  max-width: 100%;
  height: auto;
  border-radius: 2px;
}
.content hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}
.content dl {
  margin: 1.5rem 0;
}
.content dt {
  font-weight: 600;
  color: var(--heading);
  margin-top: 1rem;
}
.content dd {
  margin-left: 1.5rem;
  color: var(--text);
}

/* ---------- Code Block Copy Button ---------- */
.code-block {
  position: relative;
  margin: 1.5rem 0;
}
.code-block pre {
  margin: 0;
}
.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--button-muted);
  font-family: inherit;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity var(--transition-speed),
    color var(--transition-speed);
  padding: 0.2rem 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.code-block:hover .copy-btn,
.copy-btn.visible {
  opacity: 1;
}
.copy-btn:hover,
.copy-btn.copied {
  color: var(--accent);
}
.copy-btn .copy-check {
  opacity: 0;
  font-size: 0.9rem;
  transition: opacity var(--transition-speed);
  margin-left: 0.2rem;
}
.copy-btn.copied .copy-check {
  opacity: 1;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 0.3rem 0.7rem;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-speed),
    visibility var(--transition-speed);
  border-radius: 3px;
  z-index: 50;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ---------- Help Modal ---------- */
.help-modal {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.help-modal[hidden] {
  display: none;
}
.help-content {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2rem;
  max-width: 30rem;
  width: 90%;
  border-radius: 4px;
  color: var(--text);
}
.help-content h2 {
  margin-bottom: 1rem;
  color: var(--heading);
}
.help-content ul {
  list-style: none;
  margin-bottom: 1.5rem;
}
.help-content li {
  margin-bottom: 0.5rem;
}
.help-content kbd {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  font-family: inherit;
  font-size: 0.85em;
}
.help-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 0.4rem 1rem;
  font-family: inherit;
  cursor: pointer;
  display: block;
  margin-left: auto;
  transition: background var(--transition-speed);
}
.help-close:hover {
  background: var(--code-bg);
}

/* ---------- Footer ---------- */
.no-js-warning {
  color: var(--term-warning);
  text-align: center;
  margin-top: 2rem;
  font-style: italic;
}
.page-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: left;
}

/* ---------- Responsive & Print ---------- */
@media (max-width: 600px) {
  body {
    padding: 1rem;
  }
  .title {
    font-size: 1.8rem;
  }
  .meta strong {
    min-width: 8rem;
  }
  .term-search {
    flex-wrap: wrap;
  }
  .man-toc {
    max-height: 40vh;
  }
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .blinking-cursor {
    animation: none;
    opacity: 1;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    padding: 0;
  }
  .progress-bar,
  .ascii-decor,
  .page-tools,
  .back-to-top,
  .help-modal,
  .copy-btn,
  .sidebar-toggle,
  .sidebar,
  .skip-link,
  .top-nav {
    display: none !important;
  }
  .manpage {
    max-width: 100%;
  }
  .title,
  .synopsis,
  .meta,
  .content {
    color: #000;
  }
  .content pre {
    border: 1px solid #ccc;
    background: #fafafa;
  }
  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555;
  }
  .repo-link::after {
    content: "";
  }
}