/*
 * Constitution SWAYAM Autofill - PaperMod Inspired Stylesheet
 * Minimal, editorial, typography-focused, monochrome/restrained palette
 */

:root,
html[data-theme="dark"] {
  --theme: rgb(29, 30, 32);
  --entry: rgb(46, 46, 51);
  --primary: rgb(218, 218, 219);
  --secondary: rgb(155, 156, 157);
  --tertiary: rgb(65, 66, 68);
  --content: rgb(196, 196, 197);
  --border: rgb(51, 51, 51);
  --code-bg: rgb(46, 46, 51);
  --table-border: rgb(51, 51, 51);
  --btn-bg: rgb(46, 46, 51);
  --btn-hover: rgb(60, 60, 66);
  --btn-border: rgb(75, 76, 79);
  --btn-text: rgb(218, 218, 219);
  --accent: rgb(218, 218, 219);
  --blockquote-border: rgb(75, 76, 79);
}

html[data-theme="light"],
body.light {
  --theme: rgb(250, 250, 250);
  --entry: rgb(255, 255, 255);
  --primary: rgb(30, 30, 30);
  --secondary: rgb(108, 108, 108);
  --tertiary: rgb(214, 214, 214);
  --content: rgb(70, 70, 70);
  --border: rgb(228, 228, 228);
  --code-bg: rgb(242, 242, 244);
  --table-border: rgb(228, 228, 228);
  --btn-bg: rgb(242, 242, 244);
  --btn-hover: rgb(230, 230, 234);
  --btn-border: rgb(205, 205, 210);
  --btn-text: rgb(30, 30, 30);
  --accent: rgb(30, 30, 30);
  --blockquote-border: rgb(200, 200, 205);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  background-color: var(--theme);
  color: var(--primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  margin-bottom: 40px;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  color: var(--secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--primary);
}

/* Theme Toggle */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--secondary);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.theme-toggle-btn:hover {
  color: var(--primary);
  border-color: var(--tertiary);
  background-color: var(--entry);
}

/* Main Content Typography */
main {
  padding-bottom: 60px;
}

section {
  margin-bottom: 48px;
}

h1, h2, h3, h4 {
  color: var(--primary);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

h2 {
  font-size: 20px;
  margin-top: 36px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

#answer-keys > h1,
#answer-keys > h2 {
  margin-top: 0;
}

h3 {
  font-size: 16px;
  margin-top: 20px;
  margin-bottom: 8px;
}

p {
  color: var(--content);
  margin-bottom: 14px;
}

/* Hero Section */
.hero-section {
  padding: 10px 0 0 0;
  margin-bottom: 0;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.download-cta,
.download-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px 20px;
  margin-top: 16px;
  margin-bottom: 14px;
}

.download-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--btn-border);
  border-radius: 4px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.download-btn:hover {
  background: var(--btn-hover);
  border-color: var(--secondary);
  color: var(--primary);
}

.download-btn svg {
  width: 18px;
  height: 18px;
}

.download-meta {
  font-size: 12px;
  color: var(--secondary);
  letter-spacing: 0.01em;
}

/* Collapsible Setup Guide */
.setup-guide {
  margin-top: 0;
  margin-bottom: 48px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--entry);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.setup-guide:hover {
  border-color: var(--tertiary);
}

.setup-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.setup-summary::-webkit-details-marker {
  display: none;
}

.setup-summary:hover {
  background-color: var(--btn-hover);
}

.setup-arrow {
  width: 15px;
  height: 15px;
  color: var(--secondary);
  transition: transform 0.2s ease, color 0.15s ease;
  flex-shrink: 0;
}

.setup-summary:hover .setup-arrow {
  color: var(--primary);
}

.setup-guide[open] .setup-arrow {
  transform: rotate(90deg);
}

.setup-guide[open] > .setup-summary {
  border-bottom: 1px solid var(--border);
}

.setup-content {
  padding: 24px 20px;
  background-color: var(--theme);
}

.setup-step-block {
  margin-bottom: 32px;
}

.setup-step-block:last-child {
  margin-bottom: 0;
}

.setup-step-block h3 {
  font-size: 16px;
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.setup-intro-p {
  font-size: 14px;
  color: var(--content);
  margin-bottom: 16px;
}

/* Lists and Steps */
ol.steps-list {
  padding-left: 0;
  list-style: none;
  counter-reset: step-counter;
}

ol.steps-list > li {
  counter-increment: step-counter;
  position: relative;
  margin-bottom: 24px;
  padding-left: 36px;
}

ol.steps-list > li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--entry);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

ol.steps-list h3 {
  margin-top: 0;
  font-size: 15px;
  margin-bottom: 4px;
}

ol.simple-steps {
  margin-left: 20px;
  margin-bottom: 20px;
}

ol.simple-steps li {
  margin-bottom: 8px;
  color: var(--content);
}

ul.feature-list {
  margin-left: 20px;
  margin-bottom: 20px;
}

ul.feature-list li {
  margin-bottom: 6px;
  color: var(--content);
}

ul.note-list {
  margin-left: 20px;
  margin-bottom: 20px;
}

ul.note-list li {
  margin-bottom: 6px;
  color: var(--content);
}

/* Callouts / Blockquotes */
blockquote {
  margin: 20px 0;
  padding: 12px 16px;
  background: var(--entry);
  border-left: 3px solid var(--blockquote-border);
  border-radius: 0 4px 4px 0;
}

blockquote p {
  margin-bottom: 0;
  color: var(--primary);
  font-size: 14px;
}

/* Code */
code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--primary);
}

/* Answer Keys Navigation */
.answer-keys-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 14px;
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 20px 0 32px 0;
  font-size: 14px;
}

.answer-keys-nav .nav-label {
  color: var(--secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}

.answer-keys-nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.answer-keys-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.answer-keys-nav .sep {
  color: var(--tertiary);
  user-select: none;
}

/* Quiz Sections & Tables */
.quiz-block {
  margin-bottom: 36px;
}

.quiz-block h3 {
  font-size: 17px;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.quiz-block .quiz-count-badge {
  font-size: 12px;
  color: var(--secondary);
  font-weight: 400;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--table-border);
  border-radius: 4px;
  margin-bottom: 16px;
}

table.answer-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

table.answer-table th,
table.answer-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--table-border);
}

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

table.answer-table th {
  background-color: var(--entry);
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
}

table.answer-table th.col-num,
table.answer-table td.col-num {
  width: 44px;
  text-align: center;
  color: var(--secondary);
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

table.answer-table td.col-ans {
  word-break: break-word;
}

.q-stem {
  font-size: 12px;
  color: var(--secondary);
  margin-bottom: 3px;
  line-height: 1.35;
}

.q-answer {
  color: var(--primary);
  font-weight: 500;
  line-height: 1.4;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px 0;
  font-size: 13px;
  color: var(--secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer a {
  color: var(--secondary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--primary);
}

/* Mobile Responsiveness */
@media (max-width: 640px) {
  h1 {
    font-size: 24px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-menu {
    gap: 14px;
  }

  .answer-keys-nav {
    gap: 6px 10px;
    font-size: 13px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}