/* Free-PHP.org — Revamped Theme */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2128;
  --border: #30363d;
  --border-accent: #388bfd;
  --accent: #388bfd;
  --accent-glow: rgba(56,139,253,0.15);
  --green: #3fb950;
  --orange: #d29922;
  --red: #f85149;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-dim: #6e7681;
  --code-bg: #1f2428;
  --sidebar-w: 240px;
  --radius: 6px;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: #58a6ff; text-decoration: underline; }

/* ── Header ── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text) !important;
  text-decoration: none !important;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
}

.site-logo .logo-bracket { color: var(--accent); }
.site-logo .logo-dot { color: var(--green); }

.header-nav { display: flex; gap: 4px; align-items: center; }
.header-nav a {
  color: var(--text-muted) !important;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: all 0.15s;
  font-weight: 500;
}
.header-nav a:hover {
  color: var(--text) !important;
  background: var(--surface2);
  text-decoration: none;
}

.header-badge {
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

/* ── Layout ── */
.layout {
  display: flex;
  min-height: calc(100vh - 60px);
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  overflow-y: auto;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
}

.sidebar-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
  padding: 12px 16px 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--text-muted) !important;
  transition: all 0.12s;
  border-left: 2px solid transparent;
  font-weight: 400;
}

.sidebar-link:hover {
  color: var(--text) !important;
  background: var(--accent-glow);
  border-left-color: var(--accent);
  text-decoration: none;
}

.sidebar-link .badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 28px;
  text-align: center;
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  padding: 32px;
  max-width: 100%;
  overflow-x: hidden;
}

/* ── Welcome Banner ── */
.welcome-banner {
  background: linear-gradient(135deg, var(--surface2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.welcome-banner h1 {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.welcome-banner h1 span { color: var(--accent); }

.welcome-banner p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 600px;
  line-height: 1.7;
}

.welcome-stats {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Category Grid ── */
.section-heading {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 32px;
}

.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.15s;
  color: var(--text-muted) !important;
  font-weight: 500;
  font-size: 13px;
}

.cat-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--text) !important;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(56,139,253,0.1);
}

.cat-card .cat-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 10px;
}

/* ── Code Block ── */
.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #adbac7;
  overflow-x: auto;
  line-height: 1.8;
  position: relative;
}

.code-block .code-lang {
  position: absolute;
  top: 10px; right: 12px;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Footer ── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 24px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-muted) !important;
  margin-bottom: 6px;
  transition: color 0.12s;
}

.footer-col a:hover {
  color: var(--text) !important;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ── Page-specific ── */
.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.page-header p {
  color: var(--text-muted);
  font-size: 14px;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb a { color: var(--text-dim) !important; }
.breadcrumb a:hover { color: var(--accent) !important; text-decoration: none; }
.breadcrumb span { color: var(--border); }

.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}

.content-card h2 {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.content-card p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ── Lang Grid ── */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.lang-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.15s;
  color: var(--text) !important;
}

.lang-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  text-decoration: none;
  transform: translateY(-1px);
}

.lang-flag { font-size: 24px; }
.lang-name { font-size: 13px; font-weight: 600; color: var(--text); }
.lang-native { font-size: 11px; color: var(--text-dim); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  transition: border-color 0.15s;
  outline: none;
}
.form-input:focus { border-color: var(--accent); }

.btn {
  background: var(--accent);
  color: #fff !important;
  border: none;
  border-radius: var(--radius);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-block;
}
.btn:hover {
  background: #58a6ff;
  text-decoration: none !important;
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted) !important;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
  background: var(--accent-glow);
}

/* ── Utilities ── */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.tag.php { border-color: #7c3aed; color: #a78bfa; background: rgba(124,58,237,0.1); }
.tag.mysql { border-color: #0ea5e9; color: #38bdf8; background: rgba(14,165,233,0.1); }
.tag.xml { border-color: var(--orange); color: var(--orange); background: rgba(210,153,34,0.1); }

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--border); }
  .main-content { padding: 20px; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .site-header { padding: 0 16px; }
  .header-nav { display: none; }
}