/* ============================================================
   PSTools.tech - Main Stylesheet
   ============================================================ */

:root {
  --primary: #0078d4;
  --primary-dark: #005a9e;
  --accent: #00b4d8;
  --bg: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2230;
  --bg-card-hover: #212d40;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-dim: #6e7681;
  --border: #30363d;
  --success: #3fb950;
  --warning: #d29922;
  --ps-blue: #012456;
  --ps-yellow: #eeedf0;
  --code-bg: #161b22;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; }

/* ── Container ────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }
code, pre {
  font-family: var(--font-mono);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}
code { padding: 0.15em 0.4em; font-size: 0.9em; color: #79c0ff; }
pre {
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius);
}
pre code { background: none; border: none; padding: 0; font-size: 0.875rem; color: inherit; }
blockquote {
  border-left: 4px solid var(--primary);
  padding: 0.75rem 1.25rem;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
  color: var(--text-muted);
}
ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.4rem; }
table { border-collapse: collapse; width: 100%; margin: 1.5rem 0; }
th, td { border: 1px solid var(--border); padding: 0.6rem 1rem; text-align: left; }
th { background: var(--bg-secondary); font-weight: 600; }
tr:nth-child(even) { background: var(--bg-secondary); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-card); color: var(--text); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--bg); }

/* ── Navigation ───────────────────────────────────────────── */
.site-header {
  background: var(--ps-blue);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1rem;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}
.navbar-brand:hover { color: var(--accent); }
.ps-icon {
  background: rgba(255,255,255,0.15);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: #ffeb3b;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  padding: 0;
  margin: 0;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.15);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--ps-blue) 0%, #0a0a1a 60%, var(--bg) 100%);
  padding: 5rem 0 4rem;
  overflow: hidden;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-text h1 {
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}
.hero-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Terminal Window */
.terminal-window {
  background: #1e1e1e;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,0.05);
  font-family: var(--font-mono);
}
.terminal-bar {
  background: #3c3c3c;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c940; }
.terminal-title {
  margin-left: auto;
  font-size: 0.75rem;
  color: #aaa;
}
.terminal-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
  line-height: 1.8;
}
.terminal-body p { margin: 0; color: #d4d4d4; }
.prompt { color: #569cd6; }
.cmd { color: #dcdcaa; }
.param { color: #9cdcfe; }
.val { color: #ce9178; }
.output-line { color: #4ec9b0; padding-left: 0; }
.cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: 4rem 0; }
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }
.section-footer { text-align: center; margin-top: 2.5rem; }

/* ── Module Cards ─────────────────────────────────────────── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.module-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.module-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.module-icon { font-size: 2rem; }
.module-badges { display: flex; gap: 0.4rem; }
.badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-stars { background: rgba(255,193,7,0.15); color: #ffc107; border: 1px solid rgba(255,193,7,0.3); }
.badge-version { background: rgba(0,180,216,0.15); color: var(--accent); border: 1px solid rgba(0,180,216,0.3); }
.module-title a { color: var(--text); font-size: 1.2rem; font-weight: 700; }
.module-title a:hover { color: var(--accent); }
.module-summary { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.module-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  background: rgba(0,120,212,0.15);
  color: var(--accent);
  border: 1px solid rgba(0,180,216,0.2);
  padding: 0.15em 0.6em;
  border-radius: 20px;
  font-size: 0.75rem;
}
.module-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }
.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid;
  transition: all var(--transition);
}
.link-gallery { color: #0078d4; border-color: rgba(0,120,212,0.4); background: rgba(0,120,212,0.08); }
.link-gallery:hover { background: rgba(0,120,212,0.2); color: #0078d4; }
.link-github { color: var(--text-muted); border-color: var(--border); background: var(--bg-secondary); }
.link-github:hover { color: var(--text); background: var(--bg-card); }
.link-docs { color: var(--success); border-color: rgba(63,185,80,0.3); background: rgba(63,185,80,0.08); }
.link-docs:hover { background: rgba(63,185,80,0.2); color: var(--success); }

/* ── Module Page Hero ─────────────────────────────────────── */
.module-hero {
  background: linear-gradient(135deg, var(--ps-blue) 0%, #0a1628 100%);
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}
.module-hero-content {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.module-hero-icon { font-size: 4rem; line-height: 1; flex-shrink: 0; }
.module-hero-info { flex: 1; }
.module-hero-info h1 { color: #fff; margin-bottom: 0.5rem; }
.module-hero-summary { color: rgba(255,255,255,0.75); font-size: 1.05rem; margin-bottom: 1.5rem; }
.module-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.08);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  min-width: 80px;
  border: 1px solid rgba(255,255,255,0.1);
}
.stat-icon { font-size: 1.1rem; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: #fff; }
.stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.05em; }
.module-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.install-cmd {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}
.install-label { color: rgba(255,255,255,0.5); font-size: 0.75rem; white-space: nowrap; }
.install-code { background: none; border: none; color: #4ec9b0; padding: 0; font-size: 0.85rem; white-space: nowrap; }
.copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0 0.25rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}
.copy-btn:hover { opacity: 1; }

/* ── Module Page Content ──────────────────────────────────── */
.module-page { padding: 3rem 1.5rem; }
.module-content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: start;
}
.module-section { margin-bottom: 3rem; }
.module-section h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}
.module-doc-content h2 { font-size: 1.4rem; margin: 2rem 0 1rem; }
.module-doc-content h3 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; color: var(--accent); }
.module-doc-content h4 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

/* ── Sidebar ──────────────────────────────────────────────── */
.module-sidebar, .post-sidebar { position: sticky; top: 80px; }
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.sidebar-card h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.info-list { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1rem; font-size: 0.875rem; }
.info-list dt { color: var(--text-muted); white-space: nowrap; }
.info-list dd { color: var(--text); font-weight: 500; margin: 0; }
.sidebar-links { list-style: none; padding: 0; }
.sidebar-links li { border-bottom: 1px solid var(--border); }
.sidebar-links li:last-child { border-bottom: none; }
.sidebar-links a {
  display: block;
  padding: 0.6rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.sidebar-links a:hover { color: var(--accent); }
.related-module-card {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.related-module-card:last-child { border-bottom: none; }
.related-module-icon { font-size: 1.5rem; flex-shrink: 0; }
.related-module-card a { font-weight: 600; display: block; margin-bottom: 0.2rem; }
.related-module-card p { color: var(--text-muted); font-size: 0.8rem; margin: 0; }
.no-related { color: var(--text-muted); font-size: 0.875rem; }

/* ── Blog Posts ───────────────────────────────────────────── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
}
.post-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.post-meta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.post-date { color: var(--text-dim); font-size: 0.8rem; }
.post-tag {
  background: rgba(0,180,216,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,180,216,0.2);
  padding: 0.1em 0.5em;
  border-radius: 20px;
  font-size: 0.72rem;
}
.post-card h3 a { color: var(--text); font-size: 1.05rem; }
.post-card h3 a:hover { color: var(--accent); }
.post-card p { color: var(--text-muted); font-size: 0.9rem; flex: 1; }
.read-more { font-size: 0.875rem; font-weight: 600; color: var(--accent); }
.read-more:hover { color: var(--primary); }
.blog-section { background: var(--bg-secondary); }

/* Blog List Page */
.posts-list { display: flex; flex-direction: column; gap: 2rem; }
.post-list-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition);
}
.post-list-item:hover { border-color: var(--primary); }
.post-list-item h2 { margin: 0.5rem 0 0.75rem; }
.post-list-item h2 a { color: var(--text); }
.post-list-item h2 a:hover { color: var(--accent); }
.post-list-item p { color: var(--text-muted); margin-bottom: 1rem; }
.post-footer { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* Blog Single Post */
.post-page {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  padding: 3rem 1.5rem;
  align-items: start;
}
.blog-post {}
.post-header { margin-bottom: 2.5rem; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
.post-header h1 { margin: 0.75rem 0; }
.post-author { color: var(--text-muted); }
.post-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.post-modules { margin-top: 0.75rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.related-label { color: var(--text-muted); font-size: 0.85rem; }
.post-content { line-height: 1.85; }
.post-content h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.post-content h3 { font-size: 1.2rem; margin: 2rem 0 0.75rem; color: var(--accent); }
.post-content img { border-radius: var(--radius); box-shadow: var(--shadow); }
.post-footer-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}
.post-nav-prev, .post-nav-next {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 45%;
}
.post-nav-prev:hover, .post-nav-next:hover { color: var(--accent); }
.module-ref {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 0.15em 0.5em;
  border-radius: 20px;
  transition: all var(--transition);
}
.module-ref:hover { color: var(--accent); border-color: var(--accent); }

/* Related posts in module page */
.related-posts { display: flex; flex-direction: column; gap: 1.25rem; }
.post-card-horizontal { flex-direction: column; }

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--ps-blue) 0%, #0a1628 100%);
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { color: #fff; }
.page-description { color: rgba(255,255,255,0.7); margin-top: 0.75rem; font-size: 1.05rem; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--ps-blue);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
.footer-col h3 { color: #fff; margin-bottom: 0.75rem; font-size: 1.1rem; }
.footer-col h4 { color: rgba(255,255,255,0.8); margin-bottom: 0.75rem; font-size: 0.95rem; }
.footer-col p { color: rgba(255,255,255,0.5); font-size: 0.875rem; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col ul a { color: rgba(255,255,255,0.5); font-size: 0.875rem; }
.footer-col ul a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  text-align: center;
}
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.8rem; margin: 0; }
.footer-bottom a { color: rgba(255,255,255,0.6); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .terminal-window { order: -1; }
  .module-content-grid, .post-page { grid-template-columns: 1fr; }
  .module-sidebar, .post-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .module-stats { gap: 0.75rem; }
}
@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--ps-blue);
    flex-direction: column;
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }
  .nav-links.open { display: flex; }
  .site-header { position: relative; }
  .hero { padding: 2.5rem 0 2rem; }
  .modules-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .module-hero-content { flex-direction: column; }
  .module-hero-icon { font-size: 2.5rem; }
  .module-actions { flex-direction: column; align-items: flex-start; }
}