/* Operator Documentation Theme
 * Color Palette (Refined):
 * - Terracotta:    #E05D44 (primary, backgrounds)
 * - Cornflower:    #6688AA (muted text, separators)
 * - Cream:         #F2EAC9 (accent, highlights)
 * Green Scale:
 * - Sage:          #66AA99 (L1 - nav buttons)
 * - Teal:          #448880 (L2 - hover)
 * - Deep Pine:     #115566 (L3 - selected, text)
 * - Midnight:      #082226 (L4 - darkest)
 */

:root {
  --color-salmon: #E05D44;
  --color-salmon-dark: #6688AA;
  --color-cream: #F2EAC9;
  --color-coral: #E05D44;
  --color-bg: #faf8f5;
  --color-white: #ffffff;

  /* Green scale */
  --color-green-l1: #66AA99;
  --color-green-l2: #448880;
  --color-green-l3: #115566;
  --color-green-l4: #082226;
  --color-teal: #115566;

  --sidebar-width: 260px;
  --content-max-width: 800px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-teal);
  background-color: var(--color-bg);
}

/* Circle Logo */
.circle {
  margin: 0 auto 24px;
  border-radius: 50%;
  width: 120px;
  height: 120px;
  background-color: var(--color-white);
  background-image: url('../patricia_512.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  border: 4px solid var(--color-salmon);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  padding: 24px;
  background-color: var(--color-cream);
  color: var(--color-teal);
  overflow-y: auto;
}

.sidebar-header {
  margin-bottom: 32px;
}

.sidebar-title {
  display: block;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-salmon);
  text-decoration: none;
}

.sidebar-title:hover {
  color: var(--color-salmon);
}

.sidebar-tagline {
  margin: 8px 0 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-salmon-dark);
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: 8px;
}

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  background-color: var(--color-green-l1);
  color: var(--color-cream);
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.sidebar-nav a:hover {
  background-color: var(--color-green-l2);
  color: var(--color-cream);
}

.sidebar-nav a.active {
  background-color: var(--color-green-l3);
  color: var(--color-cream);
}

.sidebar-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-salmon-dark);
}

.sidebar-footer a {
  color: var(--color-salmon-dark);
  text-decoration: none;
  font-size: 0.875rem;
}

.sidebar-footer a:hover {
  color: var(--color-salmon);
}

/* Main Content */
.content {
  margin-left: var(--sidebar-width);
  padding: 48px;
  min-height: 100vh;
}

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

.doc-title {
  margin-top: 0;
  margin-bottom: 24px;
  font-size: 2rem;
  color: var(--color-teal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-teal);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-coral);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin: 0 0 1em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.5em;
}

/* Code */
code {
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
  font-size: 0.875em;
  background-color: var(--color-cream);
  padding: 2px 6px;
  border-radius: 3px;
}

pre {
  background-color: var(--color-teal);
  color: var(--color-cream);
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 1em;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Blockquotes */
blockquote {
  margin: 0 0 1em;
  padding: 12px 20px;
  border-left: 4px solid var(--color-salmon);
  background-color: var(--color-cream);
  color: var(--color-salmon-dark);
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* Tables */
table {
  width: 100%;
  margin: 0 0 1em;
  border-collapse: collapse;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-cream);
}

th {
  background-color: var(--color-salmon);
  color: var(--color-cream);
}

tr:hover {
  background-color: var(--color-cream);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: static;
    width: 100%;
  }

  .content {
    margin-left: 0;
    padding: 24px;
  }

  .circle {
    width: 100px;
    height: 100px;
    background-size: 92px 92px;
  }
}