/* androiddrivers.net - adr- prefix - unique skeleton */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --adr-green:     #3ddc84;
  --adr-green-dk:  #27a560;
  --adr-bg:        #0d1117;
  --adr-surface:   #161b22;
  --adr-border:    #21262d;
  --adr-border2:   #30363d;
  --adr-text:      #c9d1d9;
  --adr-text-dim:  #8b949e;
  --adr-text-head: #e6edf3;
  --adr-link:      #58a6ff;
  --adr-accent:    #f78166;
  --adr-warn:      #e3b341;
  --adr-font:      'Segoe UI', system-ui, -apple-system, sans-serif;
  --adr-mono:      'Cascadia Code', 'Consolas', 'Fira Mono', monospace;
  --adr-radius:    6px;
  --adr-w:         1100px;
}

body {
  font-family: var(--adr-font);
  background: var(--adr-bg);
  color: var(--adr-text);
  font-size: 15px;
  line-height: 1.65;
}

a { color: var(--adr-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- SITE HEADER ---- */
.adr-site-header {
  background: var(--adr-surface);
  border-bottom: 1px solid var(--adr-border2);
  padding: 0;
}

.adr-header-inner {
  max-width: var(--adr-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.adr-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--adr-text-head);
}

.adr-brand-icon {
  width: 30px;
  height: 30px;
  background: var(--adr-green);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.adr-brand-icon svg { display: block; }

.adr-brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--adr-text-head);
}

.adr-brand-name span {
  color: var(--adr-green);
}

.adr-header-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.adr-header-links a {
  font-size: 13px;
  color: var(--adr-text-dim);
}

.adr-header-links a:hover { color: var(--adr-text-head); text-decoration: none; }

/* ---- NAV TAB STRIP ---- */
.adr-tabstrip {
  background: var(--adr-bg);
  border-bottom: 1px solid var(--adr-border);
}

.adr-tabstrip-inner {
  max-width: var(--adr-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 0;
}

.adr-tab {
  display: inline-block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--adr-text-dim);
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.adr-tab:hover { color: var(--adr-text-head); text-decoration: none; border-bottom-color: var(--adr-border2); }
.adr-tab-active, .adr-tab.adr-tab-active { color: var(--adr-text-head); border-bottom-color: var(--adr-green); }

/* ---- BREADCRUMB BAR ---- */
.adr-breadcrumb {
  max-width: var(--adr-w);
  margin: 0 auto;
  padding: 10px 20px;
  font-size: 12px;
  color: var(--adr-text-dim);
}

.adr-breadcrumb a { color: var(--adr-text-dim); }
.adr-breadcrumb a:hover { color: var(--adr-link); }
.adr-breadcrumb-sep { margin: 0 6px; }

/* ---- PAGE WRAP ---- */
.adr-page {
  max-width: var(--adr-w);
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ---- HOMEPAGE LEDE ---- */
.adr-lede {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--adr-border);
  margin-bottom: 32px;
}

.adr-lede-stack {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.adr-terminal-badge {
  flex-shrink: 0;
  background: #0d1117;
  border: 1px solid var(--adr-border2);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--adr-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--adr-green);
  min-width: 210px;
}

.adr-terminal-badge .adr-tb-prompt { color: var(--adr-text-dim); }
.adr-terminal-badge .adr-tb-cmd   { color: var(--adr-text-head); }
.adr-terminal-badge .adr-tb-ok    { color: var(--adr-green); }
.adr-terminal-badge .adr-tb-err   { color: var(--adr-accent); }

.adr-lede-text h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--adr-text-head);
  margin-bottom: 8px;
  line-height: 1.3;
}

.adr-lede-text p {
  font-size: 14px;
  color: var(--adr-text-dim);
  max-width: 600px;
  line-height: 1.6;
}

/* ---- CATEGORY PILL ROW ---- */
.adr-cat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.adr-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--adr-border2);
  color: var(--adr-text-dim);
  cursor: default;
  background: var(--adr-surface);
}

.adr-cat-pill--usb    { border-color: #58a6ff44; color: #58a6ff; background: #58a6ff11; }
.adr-cat-pill--adb    { border-color: #3ddc8444; color: #3ddc84; background: #3ddc8411; }
.adr-cat-pill--fix    { border-color: #f7816644; color: #f78166; background: #f7816611; }
.adr-cat-pill--dev    { border-color: #e3b34144; color: #e3b341; background: #e3b34111; }
.adr-cat-pill--brand  { border-color: #bc8cff44; color: #bc8cff; background: #bc8cff11; }

/* ---- SECTION HEADING ---- */
.adr-section-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.adr-section-bar h2 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--adr-text-dim);
}

.adr-section-bar-line {
  flex: 1;
  height: 1px;
  background: var(--adr-border);
}

/* ---- ARTICLE CARD GRID ---- */
.adr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.adr-card {
  background: var(--adr-surface);
  border: 1px solid var(--adr-border);
  border-radius: var(--adr-radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s;
}

.adr-card:hover { border-color: var(--adr-border2); }

.adr-card-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  width: fit-content;
}

.adr-badge-usb    { background: #58a6ff22; color: #58a6ff; }
.adr-badge-adb    { background: #3ddc8422; color: #3ddc84; }
.adr-badge-fix    { background: #f7816622; color: #f78166; }
.adr-badge-dev    { background: #e3b34122; color: #e3b341; }
.adr-badge-brand  { background: #bc8cff22; color: #bc8cff; }

.adr-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--adr-text-head);
  line-height: 1.4;
}

.adr-card h3 a { color: inherit; }
.adr-card h3 a:hover { color: var(--adr-link); text-decoration: none; }

.adr-card-meta {
  font-size: 12px;
  color: var(--adr-text-dim);
  margin-top: auto;
}

/* ---- LATEST LIST (from inc/latest.php) ---- */
.adr-latest-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.adr-latest-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--adr-border);
}

.adr-latest-item:last-child { border-bottom: none; }

.adr-latest-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: var(--adr-border);
  font-size: 11px;
  font-weight: 700;
  color: var(--adr-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--adr-mono);
  margin-top: 1px;
}

.adr-latest-body { flex: 1; }

.adr-latest-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--adr-text-head);
  line-height: 1.4;
  display: block;
}

.adr-latest-title:hover { color: var(--adr-link); text-decoration: none; }

.adr-latest-meta {
  font-size: 12px;
  color: var(--adr-text-dim);
  margin-top: 3px;
}

.adr-latest-cat {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 6px;
}

/* ---- QUICK-REF PANEL ---- */
.adr-qref-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 36px;
}

.adr-qref-card {
  background: var(--adr-surface);
  border: 1px solid var(--adr-border);
  border-radius: var(--adr-radius);
  padding: 14px 16px;
}

.adr-qref-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--adr-text-dim);
  margin-bottom: 6px;
}

.adr-qref-cmd {
  font-family: var(--adr-mono);
  font-size: 12px;
  color: var(--adr-green);
  background: #0d1117;
  border-radius: 4px;
  padding: 4px 8px;
  display: block;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.adr-qref-desc {
  font-size: 12px;
  color: var(--adr-text-dim);
}

/* ---- ARTICLE PAGE LAYOUT ---- */
.adr-article-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 32px;
  padding-top: 20px;
}

.adr-article-main { min-width: 0; }

.adr-article-toc {
  position: sticky;
  top: 20px;
  align-self: start;
}

.adr-toc-box {
  background: var(--adr-surface);
  border: 1px solid var(--adr-border);
  border-radius: var(--adr-radius);
  padding: 16px;
}

.adr-toc-box h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--adr-text-dim);
  margin-bottom: 10px;
}

.adr-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.adr-toc-list li a {
  font-size: 13px;
  color: var(--adr-text-dim);
  display: block;
  padding: 2px 0;
  border-left: 2px solid var(--adr-border);
  padding-left: 10px;
  transition: border-color 0.15s, color 0.15s;
}

.adr-toc-list li a:hover { color: var(--adr-text-head); border-left-color: var(--adr-green); text-decoration: none; }

/* ---- ARTICLE PROSE ---- */
.adr-prose h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--adr-text-head);
  line-height: 1.3;
  margin-bottom: 12px;
}

.adr-prose .adr-article-meta {
  font-size: 13px;
  color: var(--adr-text-dim);
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.adr-prose .adr-prose-lede {
  font-size: 16px;
  color: var(--adr-text);
  border-left: 3px solid var(--adr-green);
  padding-left: 16px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.adr-prose h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--adr-text-head);
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--adr-border);
}

.adr-prose h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--adr-text-head);
  margin: 20px 0 8px;
}

.adr-prose p { margin-bottom: 14px; }

.adr-prose ul, .adr-prose ol {
  margin: 0 0 14px 20px;
}

.adr-prose li { margin-bottom: 5px; }

.adr-prose code {
  font-family: var(--adr-mono);
  font-size: 13px;
  background: var(--adr-surface);
  border: 1px solid var(--adr-border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--adr-green);
}

.adr-prose pre {
  background: #0d1117;
  border: 1px solid var(--adr-border2);
  border-radius: var(--adr-radius);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.adr-prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--adr-green);
}

.adr-prose strong { color: var(--adr-text-head); }

.adr-info-box {
  background: #58a6ff11;
  border: 1px solid #58a6ff44;
  border-radius: var(--adr-radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 14px;
}

.adr-warn-box {
  background: #e3b34111;
  border: 1px solid #e3b34144;
  border-radius: var(--adr-radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 14px;
}

/* ---- ABOUT / CONTACT PAGES ---- */
.adr-content-page {
  max-width: 680px;
  padding-top: 32px;
}

.adr-content-page h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--adr-text-head);
  margin-bottom: 16px;
}

.adr-content-page p { margin-bottom: 14px; font-size: 15px; }

.adr-content-page h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--adr-text-head);
  margin: 24px 0 8px;
}

.adr-contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--adr-surface);
  border: 1px solid var(--adr-border);
  border-radius: var(--adr-radius);
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}

.adr-contact-label { color: var(--adr-text-dim); min-width: 80px; font-size: 12px; text-transform: uppercase; font-weight: 600; letter-spacing: 0.05em; }

/* ---- FOOTER ---- */
.adr-footer {
  background: var(--adr-surface);
  border-top: 1px solid var(--adr-border);
  padding: 24px 20px;
  margin-top: 48px;
}

.adr-footer-inner {
  max-width: var(--adr-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.adr-footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.adr-footer-nav a { font-size: 13px; color: var(--adr-text-dim); }
.adr-footer-nav a:hover { color: var(--adr-text-head); text-decoration: none; }

.adr-footer-copy { font-size: 12px; color: var(--adr-text-dim); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .adr-grid { grid-template-columns: repeat(2, 1fr); }
  .adr-qref-grid { grid-template-columns: repeat(2, 1fr); }
  .adr-article-layout { grid-template-columns: 1fr; }
  .adr-article-toc { display: none; }
  .adr-lede-stack { flex-direction: column; }
  .adr-terminal-badge { min-width: auto; width: 100%; }
}

@media (max-width: 600px) {
  .adr-grid { grid-template-columns: 1fr; }
  .adr-qref-grid { grid-template-columns: repeat(2, 1fr); }
  .adr-header-links { display: none; }
}