/* ============================================================
   toolproxy docs — static stylesheet
   Light/dark via prefers-color-scheme. No build step.
   ============================================================ */

:root {
  --accent: #6d5efc;
  --accent-2: #00c2a8;
  --accent-soft: rgba(109, 94, 252, 0.12);

  --bg: #ffffff;
  --bg-alt: #f7f8fb;
  --bg-code: #0d1117;
  --surface: #ffffff;
  --border: #e6e8ef;
  --text: #1a1d29;
  --text-soft: #5a6072;
  --text-faint: #8b91a3;
  --shadow: 0 1px 3px rgba(20, 23, 38, 0.06), 0 8px 24px rgba(20, 23, 38, 0.05);
  --shadow-lg: 0 12px 40px rgba(20, 23, 38, 0.12);
  --radius: 14px;
  --radius-sm: 9px;

  --sidebar-w: 240px;
  --topbar-h: 60px;
  --content-max: 880px;

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --bg-alt: #151823;
    --bg-code: #0a0d14;
    --surface: #171a24;
    --border: #262a38;
    --text: #e8eaf2;
    --text-soft: #a8aec2;
    --text-faint: #6f7589;
    --accent-soft: rgba(109, 94, 252, 0.18);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.12em 0.4em;
  border-radius: 5px;
}
@media (prefers-color-scheme: dark) {
  code { color: #b3a9ff; }
}

/* ===== Top bar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1rem;
}
.brand-ver {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 20px;
}
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a { color: var(--text-soft); font-weight: 500; font-size: 0.92rem; }
.topnav a:hover { color: var(--text); text-decoration: none; }
.topnav-gh {
  color: var(--accent) !important;
  font-weight: 600 !important;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.2rem;
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 24px 56px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 14%, transparent);
  padding: 5px 13px;
  border-radius: 20px;
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.hero-title .accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 1.12rem;
  color: var(--text-soft);
  max-width: 540px;
  margin: 0 0 30px;
}
.hero-sub em { color: var(--text); font-style: italic; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 22px;
  border-radius: 10px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8a7dff);
  color: #fff;
  box-shadow: 0 6px 18px rgba(109, 94, 252, 0.35);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-badges img { height: 20px; }

.hero-code {
  background: var(--bg-code);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  position: relative;
}
.hero-code::before {
  content: "";
  position: absolute;
  top: 14px; left: 16px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #ff5f56;
  box-shadow: 18px 0 0 #ffbd2e, 36px 0 0 #27c93f;
}
.hero-code pre {
  margin: 0;
  padding: 44px 20px 22px;
  background: transparent;
  border: none;
  box-shadow: none;
  overflow-x: auto;
}
.hero-code code { background: transparent; color: #c9d1d9; padding: 0; font-size: 0.82rem; }

/* ===== Layout ===== */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: 48px;
}

/* ===== Sidebar ===== */
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 28px 0 40px;
}
.toc { display: flex; flex-direction: column; gap: 1px; }
.toc-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 0 0 10px 12px;
}
.toc a {
  color: var(--text-soft);
  font-size: 0.88rem;
  padding: 5px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.toc a:hover { color: var(--text); text-decoration: none; background: var(--bg-alt); }
.toc a.toc-sub { padding-left: 26px; font-size: 0.83rem; }
.toc a.active {
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
  background: var(--accent-soft);
}

/* ===== Content ===== */
.content {
  max-width: var(--content-max);
  min-width: 0;
  padding-top: 28px;
}
.content section { margin-bottom: 56px; scroll-margin-top: calc(var(--topbar-h) + 20px); }
.content h2 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 32px 0 12px;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}
.content h4 { font-size: 1rem; font-weight: 700; margin: 0 0 8px; }
.content p { margin: 0 0 14px; color: var(--text); }
.content ul { margin: 0 0 14px; padding-left: 22px; }
.content li { margin-bottom: 6px; }

.lead { font-size: 1.08rem; color: var(--text-soft); }
.note {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.94rem;
  color: var(--text-soft);
}

/* ===== Code blocks ===== */
pre {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 18px;
  overflow-x: auto;
  margin: 0 0 18px;
  box-shadow: var(--shadow);
}
pre code {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.6;
  background: transparent;
  color: #c9d1d9;
  padding: 0;
}
.diagram {
  color: #bcd0e5;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre;
}

/* copy button */
.copy-btn {
  position: absolute;
  top: 9px; right: 9px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  padding: 4px 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255, 255, 255, 0.18); }
.copy-btn.copied { color: var(--accent-2); border-color: var(--accent-2); }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; margin: 0 0 18px; border-radius: var(--radius-sm); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
thead th {
  text-align: left;
  background: var(--bg-alt);
  color: var(--text);
  font-weight: 700;
  padding: 11px 15px;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 11px 15px;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-alt); }
td code, th code { white-space: nowrap; }
.yes { color: #27c93f; }
.no { color: #ff5f56; }

/* ===== Feature grid / v0.6 ===== */
.v06-section {
  position: relative;
  background: linear-gradient(180deg, var(--accent-soft), transparent 60%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px 36px !important;
}
.v06-flag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 22px 0;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 1.6rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.92rem; color: var(--text-soft); margin: 0; }

/* ===== Changelog ===== */
.changelog-entry {
  border-left: 2px solid var(--border);
  padding-left: 20px;
  margin-bottom: 26px;
  position: relative;
}
.changelog-entry::before {
  content: "";
  position: absolute;
  left: -6px; top: 8px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.changelog-entry:first-of-type::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.changelog-entry h3 { margin-top: 0; display: flex; align-items: center; gap: 10px; }
.cl-tag {
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 9px;
  border-radius: 20px;
}
.cl-new { background: var(--accent); color: #fff; }
.changelog-entry ul { padding-left: 18px; }
.changelog-entry li { color: var(--text-soft); font-size: 0.93rem; }

/* ===== Footer ===== */
.site-footer {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.9rem;
}
.footer-links a { color: var(--text-soft); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; gap: 32px; }
  .layout { grid-template-columns: 1fr; gap: 0; }
  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
    display: none;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
  }
  .sidebar.open { display: block; }
  .content { padding-top: 24px; max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .topnav { display: none; }
  .nav-toggle { display: inline-block; }
}

@media (max-width: 560px) {
  .topbar-inner, .hero, .layout { padding-left: 16px; padding-right: 16px; }
  .content h2 { font-size: 1.4rem; }
  .v06-section { padding: 22px 18px 26px !important; }
}