/* ==========================================================================
   1. BASE THEME & RESET
   ========================================================================== */

:root {
  --bg: #ffffff;
  --fg: #222222;
  --accent: #0066cc;
  --accent-soft: #e5f0ff;
  --border: #dddddd;
  --muted: #777777;
}

html[data-theme="dark"] {
  --bg: #0b0c10;
  --fg: #f7f7f7;
  --accent: #7fb4ff;
  --accent-soft: #17233a;
  --border: #333741;
  --muted: #a0a4b2;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
}

/* Remove default link colors; we’ll style contextually */
a {
  color: inherit;
}

/* ==========================================================================
   2. GLOBAL LAYOUT
   ========================================================================== */

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
}

.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: none;
  font-size: 0.875rem;
  color: var(--muted);
  padding: 1rem;
  text-align: center;
}

.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

/* Flexible layout used by note/base templates (sidebar + content) */
.layout {
  display: block;
}

/* ==========================================================================
   3. BRAND + HEADER CONTROLS
   ========================================================================== */

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--fg);
}

.site-icon {
  width: 24px;
  height: 24px;
  display: block;
}

.site-title {
  font-weight: 600;
  font-size: 1.1rem;
}

/* Header controls: search icon + theme toggle (and nav toggle on other templates) */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;               /* a bit more space between search and theme */
}

/* Simple round search icon button (no underline, stable position) */
.header-search-icon,
.header-search-icon:link,
.header-search-icon:visited,
.header-search-icon:hover,
.header-search-icon:active {
  text-decoration: none;      /* never underlined */
}

.header-search-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: transparent;
  flex-shrink: 0;             /* don’t let layout squeeze this */
}

.header-search-icon:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ==========================================================================
   3.1 Header Search Bar (home/note/base templates)
   - Hidden on mobile
   - Right-aligned next to theme toggle on desktop
   ========================================================================== */

/* Mobile: no header search bar */
.header-search-form {
  display: none;
}

/* Search input styling */
.header-search-form input[type="search"] {
  width: 100%;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

/* ==========================================================================
   3.2 Theme Toggle
   ========================================================================== */

.theme-toggle {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  font-size: 0.8rem;
  min-width: 42px;            /* keep stable width so search icon doesn't shift */
  flex-shrink: 0;
}

.theme-toggle-icon {
  display: inline-block;
}

/* ==========================================================================
   3.3 Mobile Nav Toggle (base/note/home templates)
   ========================================================================== */

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 28px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}

.nav-toggle-line {
  height: 2px;
  width: 16px;
  margin: 0 auto;
  border-radius: 999px;
  background: var(--fg);
}

/* ==========================================================================
   4. TOP NAV (used on base/note/home templates)
   ========================================================================== */

.site-nav {
  display: none; /* mobile: hidden until toggled */
  padding: 0.25rem 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

/* Shown when toggled on small screens */
.site-nav.open {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.site-nav-link,
.site-nav-link:link,
.site-nav-link:visited {
  display: block;
  text-decoration: none;
  color: #000000; /* black when not active */
  padding: 0.4rem 0;
}

.site-nav-link.active {
  font-weight: 600;
  text-decoration: underline;
  color: var(--accent); /* active link uses accent */
}

/* Search link with small icon in nav (hidden on desktop later) */
.site-nav-link--search::after {
  content: "⌕";
  margin-left: 0.35rem;
  font-size: 0.85em;
  color: var(--muted);
}

/* ==========================================================================
   5. SECTION SIDEBAR (note/base templates)
   ========================================================================== */

.section-nav {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.75rem 0.85rem;
  background: rgba(0, 0, 0, 0.01);
}

.section-nav-title {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

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

.section-nav-item + .section-nav-item {
  margin-top: 0.35rem;
}

.section-nav-link {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--fg);
}

/* ==========================================================================
   6. BREADCRUMBS
   ========================================================================== */

.breadcrumbs {
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.breadcrumbs a {
  text-decoration: none;
  color: var(--accent);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.crumb-separator {
  margin: 0 0.25rem;
}

/* ==========================================================================
   7. NOTION CONTENT (shared by all templates)
   ========================================================================== */

.notion-content {
  line-height: 1.6;
  font-size: 1rem;
}

.notion-content p {
  margin: 0.5rem 0;
}

/* Headings inside content */
.notion-content h1,
.notion-content h2,
.notion-content h3 {
  margin: 1.2rem 0 0.5rem;
}

.notion-content h1 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}

.notion-content h2 {
  font-size: 1.25rem;
}

.notion-content h3 {
  font-size: 1.1rem;
}

/* Links inside content */
.notion-content a {
  color: var(--accent);
}

.notion-content a:hover {
  text-decoration: underline;
}

/* Inline code */
.notion-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  background: rgba(0, 0, 0, 0.04);
  padding: 0.1rem 0.25rem;
  border-radius: 3px;
}

/* Code blocks */
.notion-content pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  background: rgba(0, 0, 0, 0.08);
  padding: 0.75rem;
  border-radius: 6px;
  overflow-x: auto;
}

/* Last updated label */
.last-updated {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

/* ==========================================================================
   7.1 CONTENT MEDIA (images + videos)
   ========================================================================== */

/* Page media: keep inside text column */
.notion-content img,
.notion-content video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0.75rem auto;
}

/* Images: zoom cursor + 640px cap on wide screens */
.notion-content img {
  max-width: min(100%, 640px); /* keeps large images from getting huge in-page */
  cursor: zoom-in;             /* hint that clicking will zoom */
}

/* Home page: first image as full-bleed hero */
body.home-page .notion-content > p:first-of-type {
  margin: 0;                     /* no extra padding around the hero */
}

body.home-page .notion-content > p:first-of-type img {
  display: block;
  width: 100vw;                  /* full viewport width */
  max-width: 100vw;
  margin: 0;
  margin-left: 50%;              /* center relative to the page */
  transform: translateX(-50%);   /* pull it back half its width */
}

/* Lists */
.notion-content ul,
.notion-content ol {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}

/* ==========================================================================
   8. IMAGE LIGHTBOX OVERLAY (used by main.js)
   ========================================================================== */

.image-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85); /* muted/dim background */
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.image-lightbox-overlay.open {
  display: flex;
}

.image-lightbox-inner {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.image-lightbox-inner img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 4px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  cursor: zoom-out;
}

/* ==========================================================================
   9. CALLOUT / INFO BOXES
   ========================================================================== */

.callout {
  border-left: 4px solid var(--accent);
  padding: 0.5rem 0.75rem;
  background: var(--accent-soft);
  border-radius: 4px;
  margin: 0.75rem 0;
}

/* ==========================================================================
   10. SEARCH PAGE
   ========================================================================== */

.search-box {
  margin: 0.75rem 0;
}

.search-box input[type="search"] {
  width: 100%;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
}

.search-results {
  margin-top: 0.75rem;
}

.search-result-item + .search-result-item {
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
}

.search-result-title {
  margin: 0 0 0.25rem;
  font-weight: 600;
}

.search-result-title a {
  color: var(--accent);
  text-decoration: none;
}

.search-result-title a:hover {
  text-decoration: underline;
}

.search-result-snippet {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ==========================================================================
   11. HOME / SPECIAL TEMPLATES
   ========================================================================== */

.home-page .site-main {
  padding-top: 1.25rem;
}

/* 11.1 Home hero & embedded media (from previous home.css) */

.hero {
  background: linear-gradient(135deg, var(--accent-soft), #ffffff);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1rem 2rem;
}

.hero-title {
  font-size: 2rem;
  margin: 0 0 0.25rem;
}

.hero-subtitle {
  margin: 0 0 1rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-button {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-size: 0.95rem;
}

.hero-button-ghost {
  background: transparent;
  color: var(--accent);
}

.hero-button:hover {
  opacity: 0.9;
}

.embedded-video,
.embedded-audio {
  display: block;
  max-width: 100%;
  margin: 1rem auto;
}

.embedded-video {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   12. UTILITIES
   ========================================================================== */

.hidden {
  display: none !important;
}

/* ==========================================================================
   13. RESPONSIVE BEHAVIOR
   ========================================================================== */

@media (min-width: 768px) {
  .site-header-inner {
    gap: 1rem;
  }

  .site-main {
    padding: 2rem 1.5rem 3rem;
  }

  /* On desktop, layout becomes sidebar + content for note/base pages */
  .layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 1.5rem;
  }

  .section-nav {
    grid-column: 1 / 2;
    align-self: flex-start;
  }

  .notion-content {
    grid-column: 2 / 3;
  }

  /* Desktop nav placement: horizontal under header */
  .site-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border-bottom: none;
    padding: 0.25rem 1.5rem 0.75rem;
    max-width: 960px;
    margin: 0 auto;
    background: transparent;
  }

  .site-nav-link {
    padding: 0;
  }

  /* Hide the Search link from desktop navs; search bar is in the header (on those templates) */
  .site-nav-link--search {
    display: none;
  }

  .header-search-form {
    display: block;
    max-width: 320px;
    width: 100%;
    margin-left: auto;   /* pushes search (and then controls) to the right */
  }

  .header-controls {
    margin-left: 0;
  }

  /* On desktop, header search is used, so hide the in-page search box on templates
     that already have a header search bar (home + note pages). */
  body.home-page .search-box,
  body.note-page .search-box {
    display: none;
  }

  /* Home main: small top padding only (no special band styling) */
  .home-main {
    padding-top: 0.5rem;
  }
}