/*
 * The Sabbatical Handbook
 * Bootstrap overrides for editorial aesthetic
 */

:root {
  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-reading: Georgia, 'Times New Roman', serif;
  --font-ui: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Light Mode Colors (default) */
  --color-ink: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-accent: #c41e3a;
  --color-accent-hover: #a01830;
  --color-premium: #b8860b;
  --bs-body-bg: #fafaf8;
  --bs-body-color: #2d2d2d;
  --color-surface: #ffffff;
  --color-border: #e8e8e8;
  --color-code-bg: #f5f5f5;
}

/* Dark Mode - via data attribute or system preference */
:root[data-theme="dark"] {
  --color-ink: #f0f0f0;
  --color-muted: #a0a0a0;
  --color-accent: #e85d75;
  --color-accent-hover: #f07a8e;
  --color-premium: #d4a84b;
  --bs-body-bg: #121212;
  --bs-body-color: #e0e0e0;
  --color-surface: #1e1e1e;
  --color-border: #333333;
  --color-code-bg: #2a2a2a;

  /* Bootstrap 5.3 variables for automatic dark mode support */
  --bs-border-color: #333333;
  --bs-link-color: #e85d75;
  --bs-link-hover-color: #f07a8e;
  --bs-emphasis-color: #f0f0f0;
  --bs-secondary-color: #a0a0a0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-ink: #f0f0f0;
    --color-muted: #a0a0a0;
    --color-accent: #e85d75;
    --color-accent-hover: #f07a8e;
    --color-premium: #d4a84b;
    --bs-body-bg: #121212;
    --bs-body-color: #e0e0e0;
    --color-surface: #1e1e1e;
    --color-border: #333333;
    --color-code-bg: #2a2a2a;

    /* Bootstrap 5.3 variables for automatic dark mode support */
    --bs-border-color: #333333;
    --bs-link-color: #e85d75;
    --bs-link-hover-color: #f07a8e;
    --bs-emphasis-color: #f0f0f0;
    --bs-secondary-color: #a0a0a0;
  }
}

/* ========================================
   Typography
   ======================================== */
body {
  font-family: var(--font-body);
  background: var(--bs-body-bg);
}

h1, h2, h3, .h1, .h2, .h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

h1, .h1 { font-size: 2.5rem; line-height: 1.2; }
h2, .h2 { font-size: 1.875rem; line-height: 1.25; }
h3, .h3 { font-size: 1.5rem; line-height: 1.3; }

/* ========================================
   Buttons
   ======================================== */
.btn {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: 6px;
  border: none;
  padding: 0.6rem 1.25rem;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn:active {
  transform: scale(0.98);
}

/* Primary - rich black */
.btn-primary,
.btn-dark {
  background: linear-gradient(to bottom, #2d2d2d, #1a1a1a);
  color: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.btn-primary:hover,
.btn-dark:hover {
  background: linear-gradient(to bottom, #3d3d3d, #2a2a2a);
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  color: white;
}

/* Secondary - soft gray */
.btn-secondary,
.btn-outline-secondary {
  background: var(--color-code-bg);
  color: var(--bs-body-color);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.btn-secondary:hover,
.btn-outline-secondary:hover {
  background: var(--color-border);
  color: var(--color-ink);
  border-color: var(--color-muted);
}

/* Outline dark */
.btn-outline-dark {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
  box-shadow: none;
}

.btn-outline-dark:hover {
  background: var(--color-ink);
  color: var(--bs-body-bg);
}

/* Danger */
.btn-danger,
.btn-outline-danger {
  background: #fff5f5;
  color: #c53030;
  border: 1px solid #feb2b2;
  box-shadow: none;
}

.btn-danger:hover,
.btn-outline-danger:hover {
  background: #c53030;
  color: white;
  border-color: #c53030;
}

/* Link style */
.btn-link {
  background: none;
  border: none;
  box-shadow: none;
  color: var(--color-accent);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
}

.btn-link:hover {
  color: var(--color-accent-hover);
  background: rgba(196, 30, 58, 0.05);
}

/* Sizes */
.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8rem;
  border-radius: 5px;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  border-radius: 8px;
}

/* ========================================
   Forms
   ======================================== */
.form-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.form-control, .form-select {
  font-family: var(--font-ui);
  border-radius: 0.25rem;
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--bs-body-color);
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 2px rgba(26, 26, 26, 0.1);
  background: var(--color-surface);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .form-control:focus,
  :root:not([data-theme="light"]) .form-select:focus {
    box-shadow: 0 0 0 2px rgba(240, 240, 240, 0.15);
  }
}

:root[data-theme="dark"] .form-control:focus,
:root[data-theme="dark"] .form-select:focus {
  box-shadow: 0 0 0 2px rgba(240, 240, 240, 0.15);
}

.form-control-lg {
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-surface);
}

/* ========================================
   Badges
   ======================================== */
.badge {
  font-family: var(--font-ui);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ========================================
   Article Content
   ======================================== */
.article-content {
  font-family: var(--font-reading);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--bs-body-color);
}

.article-content h2,
.article-content h3 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border-radius: 0.25rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-muted);
}

/* Drop cap */
.article-content.has-dropcap > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.8;
  padding-right: 0.5rem;
  padding-top: 0.25rem;
  font-weight: 700;
  color: var(--color-ink);
}

/* ========================================
   Walls (Paywall/Mailwall)
   ======================================== */
.wall {
  text-align: center;
  padding: 2rem;
  position: relative;
  z-index: 10;
}

.wall h3, .wall h4 {
  font-family: var(--font-display);
  margin-bottom: 0.75rem;
}

.wall p {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.wall .wall-hint {
  font-size: 0.875rem;
  margin-top: 1rem;
}

.wall form input[type="email"] {
  font-family: var(--font-ui);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  width: 100%;
  max-width: 300px;
  background: var(--color-surface);
  color: var(--bs-body-color);
}

.wall form input[type="submit"],
.wall .checkout-form input[type="submit"] {
  font-family: var(--font-ui);
  font-weight: 500;
  background: linear-gradient(to bottom, #2d2d2d, #1a1a1a);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.wall form input[type="submit"]:hover,
.wall .checkout-form input[type="submit"]:hover {
  background: linear-gradient(to bottom, #3d3d3d, #2a2a2a);
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

.mailwall-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
}

.navbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ink) !important;
}

.nav-link {
  font-family: var(--font-ui);
  color: var(--color-muted);
}

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

/* ========================================
   Links
   ======================================== */
a {
  color: var(--color-accent);
}

a:hover {
  color: var(--color-accent-hover);
}

/* ========================================
   Utilities
   ======================================== */
.text-premium {
  color: var(--color-premium) !important;
}

.bg-premium {
  background-color: var(--color-premium) !important;
}

.font-display {
  font-family: var(--font-display) !important;
}

.font-ui {
  font-family: var(--font-ui) !important;
}

.font-mono {
  font-family: var(--font-mono) !important;
}

/* ========================================
   Post Pages (Reading View)
   ======================================== */
.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1rem;
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-header h1 {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.post-badge {
  display: inline-block;
  background: var(--color-premium);
  color: white;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

.post-content {
  font-family: var(--font-reading);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--bs-body-color);
}

.post-content h2,
.post-content h3 {
  font-family: var(--font-display);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.post-content h2 {
  font-size: 1.75rem;
}

.post-content h3 {
  font-size: 1.375rem;
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  border-radius: 0.25rem;
}

.post-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-muted);
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.post-content a:hover {
  color: var(--color-accent-hover);
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

.post-content pre {
  background: var(--color-code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

/* Walled content with fade */
.post-content-wrapper .post-content {
  position: relative;
}

.post-content-wrapper .content-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6rem;
  background: linear-gradient(to bottom, transparent, var(--bs-body-bg));
  pointer-events: none;
  z-index: 1;
}

.post-content-wrapper .wall-hard {
  max-width: 420px;
  margin: 0 auto;
  background: var(--bs-body-bg);
  border: 2px solid var(--color-ink);
  position: relative;
  z-index: 2;
}

/* Post navigation */
.post-nav {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.post-nav a {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-muted);
  text-decoration: none;
}

.post-nav a:hover {
  color: var(--color-ink);
}

/* ========================================
   Table of Contents (Index Page)
   ======================================== */
.posts-index {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.posts-index h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

.toc {
  font-family: var(--font-body);
}

.toc-section {
  margin-bottom: 2.5rem;
}

.toc-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  text-decoration: none;
}

a.toc-section-header:hover .toc-section-title {
  color: var(--color-accent);
}

.toc-section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
}

.toc-chapters {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-item {
  border-bottom: 1px solid var(--color-border);
}

.post-item a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  text-decoration: none;
  transition: background 0.15s ease;
}

.post-item a:hover {
  background: rgba(0,0,0,0.02);
  padding-left: 0.5rem;
  margin-left: -0.5rem;
  padding-right: 0.5rem;
  margin-right: -0.5rem;
}

.post-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-muted);
  min-width: 2rem;
}

.post-title {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-ink);
  flex: 1;
}

.post-item a:hover .post-title {
  color: var(--color-accent);
}

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

/* ========================================
   Admin: Collapse icons
   ======================================== */
.collapse-icon {
  display: inline-block;
  transition: transform 0.2s ease;
  font-size: 0.6rem;
}

[data-bs-toggle="collapse"][aria-expanded="true"] .collapse-icon,
[data-bs-toggle="collapse"]:not(.collapsed) .collapse-icon {
  transform: rotate(90deg);
}

/* Admin badges */
.badge-draft {
  background: var(--color-code-bg);
  color: var(--color-muted);
}

.badge-published {
  background: #d4edda;
  color: #155724;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge-published {
    background: #1a4d2e;
    color: #a8e6bc;
  }
}

:root[data-theme="dark"] .badge-published {
  background: #1a4d2e;
  color: #a8e6bc;
}

.badge-premium {
  background: var(--color-premium);
  color: white;
}

/* ========================================
   Theme Toggle
   ======================================== */
.theme-toggle {
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  transition: background 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
  background: var(--color-code-bg);
  color: var(--color-ink);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}