/* STRIPE-QUALITY DESIGN SYSTEM */
/* Works with mdBook's layout system */

:root {
  --sidebar-width: 280px;
  --purple: #635bff;
  --purple-light: #7c73ff;
  --purple-dark: #0a2540;
  --text-primary: #0a2540;
  --text-secondary: #4f566b;
  --text-muted: #6b7c93;
  --bg-primary: #fff;
  --bg-secondary: #f6f9fc;
  --border: #e3e8ee;
  --accent: #635bff;
  --success: #00a569;
  --warning: #f5a623;
  --danger: #df3b3b;
  --info: #0073e6;
  
  /* Override mdBook variables */
  --sidebar-bg: #fff;
  --sidebar-fg: #6b7c93;
  --sidebar-active: #635bff;
  --sidebar-width: 280px;
  --content-max-width: 760px;
}

/* Base styles */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* ==================== SIDEBAR ==================== */

.sidebar {
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  font-size: 14px;
}

.sidebar .sidebar-scrollbox {
  padding: 0;
}

#searchbar {
  width: calc(100% - 40px);
  margin: 16px 20px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-secondary);
}

#searchbar:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,91,255,0.1);
}

/* Navigation styling */
.chapter {
  list-style: none;
}

.chapter li a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
}

.chapter li a:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
  text-decoration: none;
}

.chapter li a.active {
  color: var(--accent);
  font-weight: 500;
  border-left-color: var(--accent);
  background: rgba(99,91,255,0.04);
}

/* Spacer between sections */
.chapter .spacer {
  height: 16px;
}

/* ==================== CONTENT ==================== */

.content {
  padding: 56px 48px 80px;
  max-width: none;
}

.content main {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h2 {
  font-size: 24px;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 20px;
  margin-top: 32px;
  margin-bottom: 12px;
}

h4 {
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 8px;
}

p {
  margin: 0 0 16px 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ==================== LINKS ==================== */

.content a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.content a:hover {
  color: var(--purple-light);
  text-decoration: underline;
}

/* ==================== CODE ==================== */

code {
  font-family: 'SFMono-Regular', Monaco, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.875em;
  font-weight: 500;
  color: var(--accent);
  background: transparent;
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

pre {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin: 24px 0;
  overflow-x: auto;
}

pre code {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  background: transparent;
  padding: 0;
  font-weight: 400;
}

/* ==================== TABLES ==================== */

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 24px 0;
  font-size: 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-secondary);
}

table strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==================== LISTS ==================== */

ul, ol {
  margin: 16px 0;
  padding-left: 24px;
}

li {
  margin: 8px 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================== BLOCKQUOTES ==================== */

blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--accent);
  background: var(--bg-secondary);
  border-radius: 0 8px 8px 0;
}

blockquote p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

/* ==================== HR ==================== */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* ==================== NAVIGATION ==================== */

.nav-wrapper {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.nav-chapters {
  display: flex;
  justify-content: space-between;
}

.nav-chapters a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 400;
  padding: 12px 0;
}

.nav-chapters a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ==================== HIDE UNUSED ELEMENTS ==================== */

.mdbook-help-container,
#mdbook-help-popup,
.theme-popup,
#mdbook-theme-list,
#mdbook-theme-toggle,
.right-buttons,
.left-buttons {
  display: none;
}

/* Keep sidebar resize handle hidden */
.sidebar-resize-handle {
  display: none;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1080px) {
  .content {
    padding: 24px;
  }
  
  h1 {
    font-size: 32px;
  }
  
  h2 {
    font-size: 20px;
  }
}

/* ==================== PRINT ==================== */

@media print {
  .sidebar,
  .menu-bar,
  .nav-wrapper {
    display: none;
  }
  
  .content {
    padding: 0;
  }
}