/* pytestru-style.css — светлая тема для справочника Python */
:root {
  --bg: #f8f9fc;
  --text: #1e1b4b;
  --accent: #7c3aed;
  --accent-light: #ede9fe;
  --card-bg: #ffffff;
  --border: #e0e7ff;
  --sidebar-bg: #ffffff;
  --header-bg: linear-gradient(135deg, #7c3aed, #a78bfa);
  --header-text: #ffffff;
  --code-bg: #f3f4f6;
  --hover: #f0e7ff;
  --footer-bg: #1e1b4b;
  --footer-text: #c7d2fe;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.wrapper {
  max-width: 1300px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: var(--header-bg);
  color: var(--header-text);
  padding: 28px 36px;
  border-radius: 16px;
  margin-bottom: 24px;
}
header h1 { font-size: 28px; font-weight: 700; }
header h1 a { color: #fff; text-decoration: none; }
header .subtitle { opacity: 0.85; margin-top: 6px; font-size: 15px; }

/* Layout */
.layout {
  display: flex;
  gap: 24px;
  flex: 1;
}

/* Sidebar */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-radius: 12px;
  padding: 20px 0;
  border: 1px solid var(--border);
  height: fit-content;
  position: sticky;
  top: 20px;
}
.sidebar h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  padding: 0 20px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.sidebar ul { list-style: none; }
.sidebar li a {
  display: block;
  padding: 7px 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
  border-left: 3px solid transparent;
}
.sidebar li a:hover,
.sidebar li a.active {
  background: var(--hover);
  border-left-color: var(--accent);
  color: var(--accent);
}

/* Main */
main {
  flex: 1;
  min-width: 0;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--border);
}
main h2 {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-light);
}
main h3 {
  font-size: 18px;
  color: var(--text);
  margin: 24px 0 12px;
}
main h4 {
  font-size: 16px;
  color: var(--text);
  margin: 20px 0 10px;
}
main p { margin: 10px 0; }
main ul, main ol { margin: 10px 0 10px 24px; }
main li { margin: 4px 0; }

/* Code */
code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9em;
}
pre {
  background: var(--code-bg);
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0;
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 14px;
  line-height: 1.5;
}
pre code { background: none; padding: 0; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}
th, td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
th { background: var(--accent-light); font-weight: 600; }

/* Card grid for index */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text);
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(124,58,237,0.1);
  transform: translateY(-2px);
}
.card h3 { font-size: 16px; margin: 0 0 8px; color: var(--accent); }
.card p { font-size: 13px; margin: 0; opacity: 0.75; }

/* Footer */
footer {
  margin-top: 24px;
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 18px 28px;
  border-radius: 12px;
  text-align: center;
  font-size: 13px;
}

/* Responsive */
.menu-toggle {
  display: none;
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  cursor: pointer;
  z-index: 101;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  position: relative;
  transition: 0.3s;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.sidebar-close {
  display: none;
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  border-radius: 6px;
  z-index: 102;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.sidebar-close:hover { background: var(--hover); }
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.3s;
}
.sidebar-overlay.active { opacity: 1; }

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .sidebar-close { display: flex; }
  .sidebar-overlay { display: block; pointer-events: none; }
  .sidebar-overlay.active { pointer-events: auto; }
  header { position: relative; }
  header h1 { padding-right: 40px; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    max-width: 80vw;
    height: 100vh;
    max-height: 100vh;
    z-index: 99;
    border-radius: 0 16px 16px 0;
    border: none;
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    padding-top: 48px;
    background: var(--sidebar-bg);
  }
  .sidebar.active { transform: translateX(0); }
  .layout { flex-direction: column; }
  .card-grid { grid-template-columns: 1fr; }
}

body.sidebar-open { overflow: hidden; }

/* Info blocks */
.info {
  background: #ede9fe;
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin: 12px 0;
}
.warn {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin: 12px 0;
}