/* ------------------------------------------------------------------
   Blog section — palette follows the main site day/night themes
   (day: light cream #faf7f2 -> #f0ebe2, bronze accent #966a12;
    night: dark purple #0f0b13 -> #241627, amber accent #f0c46b)
------------------------------------------------------------------- */

    :root {
      --bg-1: #0f0b13;
      --bg-2: #241627;
      --ink: #1b1524;
      --text: #e5e5e5;
      --text-2: #ccc;
      --text-3: #999;
      --gold: #f0c46b;
      --gold-soft: #f5d080;
      --gold-bg: #f0c46b;
      --gold-bg-deep: #e5b85f;
      --green: #4ade80;
      --font-display: 'Fraunces', 'Inter', sans-serif;

      --nav-bg: rgba(20, 10, 30, 0.55);
      --nav-shadow: rgba(0, 0, 0, 0.35);
      --card-bg: rgba(255, 255, 255, 0.05);
      --card-bg-2: rgba(255, 255, 255, 0.03);
      --card-bg-3: rgba(255, 255, 255, 0.08);
      --tags-bg: rgba(255, 255, 255, 0.05);
      --border-soft: rgba(255, 255, 255, 0.08);
      --border-dark: rgba(255, 255, 255, 0.1);
      --btn-2-bg: rgba(255, 255, 255, 0.1);
      --btn-2-border: rgba(255, 255, 255, 0.2);
      --btn-2-bg-hover: rgba(255, 255, 255, 0.15);
      --btn-2-border-hover: rgba(255, 255, 255, 0.3);
      --dot-border: rgba(255, 255, 255, 0.18);
      --tech-bg: rgba(255, 255, 255, 0.05);
      --tech-bg-hover: rgba(255, 255, 255, 0.08);
      --close-bg: rgba(255, 255, 255, 0.1);
      --close-bg-hover: rgba(255, 255, 255, 0.2);
      --modal-bg: linear-gradient(135deg, rgba(27, 21, 36, 0.95), rgba(36, 22, 39, 0.95));
      --modal-header-bg: rgba(27, 21, 36, 0.95);
      --banner-bg: rgba(15, 11, 19, 0.88);
      --modal-shadow: rgba(0, 0, 0, 0.5);

      --gold-10: rgba(240, 196, 107, 0.1);
      --gold-12: rgba(240, 196, 107, 0.12);
      --gold-15: rgba(240, 196, 107, 0.15);
      --gold-20: rgba(240, 196, 107, 0.2);
      --gold-28: rgba(240, 196, 107, 0.28);
      --gold-30: rgba(240, 196, 107, 0.3);
      --gold-35: rgba(240, 196, 107, 0.35);
      --gold-45: rgba(240, 196, 107, 0.45);
      --gold-50: rgba(240, 196, 107, 0.5);
      --gold-60: rgba(240, 196, 107, 0.6);
      --green-10: rgba(74, 222, 128, 0.1);
      --green-30: rgba(74, 222, 128, 0.3);
      --green-60: rgba(74, 222, 128, 0.6);
    }

    html[data-theme="day"] {
      --bg-1: #faf7f2;
      --bg-2: #f0ebe2;
      --ink: #2c2723;
      --text: #3d3731;
      --text-2: #6d655c;
      --text-3: #978e82;
      --gold: #966a12;
      --gold-soft: #cfa450;
      --gold-bg: #c9a03c;
      --gold-bg-deep: #b4872b;
      --green: #2f9c5e;

      --nav-bg: rgba(255, 250, 244, 0.85);
      --nav-shadow: rgba(90, 78, 61, 0.16);
      --card-bg: rgba(255, 255, 255, 0.7);
      --card-bg-2: rgba(255, 255, 255, 0.55);
      --card-bg-3: rgba(255, 255, 255, 0.85);
      --tags-bg: rgba(0, 0, 0, 0.06);
      --border-soft: rgba(0, 0, 0, 0.1);
      --border-dark: rgba(0, 0, 0, 0.12);
      --btn-2-bg: rgba(0, 0, 0, 0.06);
      --btn-2-border: rgba(0, 0, 0, 0.18);
      --btn-2-bg-hover: rgba(0, 0, 0, 0.10);
      --btn-2-border-hover: rgba(0, 0, 0, 0.3);
      --dot-border: rgba(0, 0, 0, 0.25);
      --tech-bg: rgba(0, 0, 0, 0.05);
      --tech-bg-hover: rgba(0, 0, 0, 0.08);
      --close-bg: rgba(255, 255, 255, 0.9);
      --close-bg-hover: rgba(255, 255, 255, 1);
      --modal-bg: linear-gradient(135deg, #ffffff, #f6f1e9);
      --modal-header-bg: rgba(255, 255, 255, 0.96);
      --banner-bg: rgba(255, 255, 255, 0.92);
      --modal-shadow: rgba(90, 78, 61, 0.25);

      --gold-10: rgba(150, 106, 18, 0.1);
      --gold-12: rgba(150, 106, 18, 0.12);
      --gold-15: rgba(150, 106, 18, 0.15);
      --gold-20: rgba(150, 106, 18, 0.2);
      --gold-28: rgba(150, 106, 18, 0.28);
      --gold-30: rgba(150, 106, 18, 0.3);
      --gold-35: rgba(150, 106, 18, 0.35);
      --gold-45: rgba(150, 106, 18, 0.45);
      --gold-50: rgba(150, 106, 18, 0.5);
      --gold-60: rgba(150, 106, 18, 0.6);
      --green-10: rgba(47, 156, 94, 0.1);
      --green-30: rgba(47, 156, 94, 0.3);
      --green-60: rgba(47, 156, 94, 0.6);
    }

    /* Dots decoration: day mode only */
    .bg-layer, .fig-layer { display: none; }
    html[data-theme="day"] .bg-layer, html[data-theme="day"] .fig-layer { display: block; }

    /* Day/night toggle button */
    .theme-toggle {
      position: fixed;
      top: 18px;
      right: 18px;
      z-index: 30;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: 1px solid var(--gold-15);
      background: var(--nav-bg);
      color: var(--gold);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      transition: transform 0.3s, background 0.3s, border-color 0.3s, color 0.3s;
    }
    .theme-toggle:hover { transform: rotate(20deg) scale(1.08); }
    .theme-toggle svg { width: 22px; height: 22px; }
    html[data-theme="night"] .theme-toggle-moon { display: none; }
    html[data-theme="day"] .theme-toggle-sun { display: none; }

    /* Day mode: dotted line framing the floating post selector */
    .dot-line {
      display: none;
      position: relative;
      height: 18px;
      margin: 0.5rem 0 0.75rem;
      pointer-events: none;
    }
    html[data-theme="day"] .dot-line { display: block; }

/* Page base (index.html carries the same rules inline) */
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
  background-attachment: fixed;
  color: var(--text);
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
}

/* Navbar — same bubble style used on the homepage */
.navbar {
  position: fixed;
  width: 100%;
  top: 12px;
  z-index: 10;
  display: flex;
  justify-content: center;
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bubble-nav.blog-nav {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 6px;
  background: var(--nav-bg);
  border: 1px solid var(--gold-15);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px var(--nav-shadow);
}
.bubble-nav a {
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--text-2);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.3s;
}
.bubble-nav a:hover {
  color: var(--gold);
}
/* Separate "Blog" pill, detached from the main sections pill */
.nav-pill--blog {
  padding: 14px 18px;
  border-radius: 999px;
  color: var(--gold);
  background: var(--nav-bg);
  border: 1px solid var(--gold-35);
  backdrop-filter: blur(10px);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.3s;
}
.nav-pill--blog:hover {
  color: var(--gold-soft);
  background: var(--gold-12);
  border-color: var(--gold-60);
}
.nav-pill--blog.active {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold-60);
}

/* Layout: sidebar + reading panel */
.blog-container {
  position: relative;
  padding-top: 9rem; /* clear the fixed navbar */
}

.blog-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: start;
  position: relative;
}

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: 6rem;
  background: var(--sidebar-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--sidebar-border);
  border-radius: 15px;
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow: hidden;
  z-index: 1;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--tag-border);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.3s;
}
.tag-pill:hover {
  color: var(--gold);
  border-color: var(--gold-40);
}
.tag-pill.active {
  background: var(--gold-15);
  border-color: var(--gold-60);
  color: var(--gold);
}
.tag-count {
  opacity: 0.6;
  font-size: 0.7rem;
}

.blog-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 70vh;
  overflow-y: auto;
}

.post-list-item {
  display: block;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s, border-color 0.25s;
}
.post-list-item:hover {
  background: var(--item-bg-hover);
  border-color: var(--item-border-hover);
}
.post-list-item.active {
  background: var(--gold-12);
  border-color: var(--gold-25);
}
.post-list-item time {
  font-size: 0.72rem;
  color: var(--text-3);
}
.post-list-item h3 {
  margin: 0.25rem 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.post-list-item p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-list-item.hidden {
  display: none;
}

/* Main panel: open post */
.blog-main {
  min-width: 0;
}

.post-content .post-meta {
  color: var(--text-3);
  font-size: 0.85rem;
  margin: 0 0 0.4rem;
}
.post-content h1 {
  font-size: 2.1rem;
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.25;
  color: var(--text);
  font-family: var(--font-display);
}
.post-content .post-tags {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1.75rem;
}
.post-content .tag-badge {
  font-size: 0.72rem;
  color: var(--text-2);
  border: 1px solid var(--tag-border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

/* Share button + toast */
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font: inherit;
  font-size: 0.82rem;
  background: transparent;
  border: 1px solid var(--gold-35);
  color: var(--gold);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 1.75rem;
  cursor: pointer;
  transition: all 0.3s;
}
.share-btn:hover {
  background: var(--gold-12);
  border-color: var(--gold-60);
  color: var(--gold-soft);
}
.share-btn.copied {
  background: var(--green-12);
  border-color: var(--green-40);
  color: var(--green);
}

.share-toast {
  margin-left: 10px;
  font-size: 0.78rem;
  color: var(--text-3);
  opacity: 0.8;
}

.post-body {
  color: var(--body-text);
  font-size: 1.05rem;
  line-height: 1.8;
}
.post-body p {
  margin: 0 0 1.15em;
}
.post-body h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.7em 0 0.6em;
}
.post-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 1.5em 0 0.6em;
}
.post-body ul,
.post-body ol {
  margin: 0 0 1em;
  padding-left: 1.5em;
}
.post-body li {
  margin: 0.25em 0;
}
.post-body a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-35);
}
.post-body a:hover {
  color: var(--gold-soft);
}
.post-body blockquote {
  border-left: 3px solid var(--gold-40);
  margin: 0 0 1.2em;
  padding: 0.2em 1em;
  color: var(--blockquote-text);
  font-style: italic;
}
.post-body hr {
  border: none;
  border-top: 1px solid var(--hr-border);
  margin: 2.5rem auto;
  width: 60px;
}
.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--img-border);
}
.post-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.88em;
  color: var(--gold);
}
.post-body pre {
  background: rgba(20, 10, 30, 0.7);
  border: 1px solid var(--gold-15);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}
.post-body pre code {
  border: none;
  padding: 0;
  background: transparent;
  color: var(--gold);
}

/* Post navigation: prev/next pager + related posts by tag */
.post-nav {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hr-border);
}

.post-nav--pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.post-nav--link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--gold);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.4;
  transition: color 0.3s;
}
.post-nav--link:hover {
  color: var(--gold-soft);
}
.post-nav--link.post-nav--older {
  margin-left: auto;
}

.post-nav--related-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-3);
  margin: 0 0 0.75rem;
}
.post-nav--related {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.post-nav--related a {
  color: var(--gold);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.5;
  transition: color 0.3s;
}
.post-nav--related a:hover {
  color: var(--gold-soft);
}

/* Sidebar footer link */
.blog-rss {
  font-size: 0.78rem;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.3s;
}
.blog-rss:hover {
  color: var(--gold);
}

/* Responsive: single column on small screens */
@media (max-width: 860px) {
  .blog-container {
    padding-top: 7rem;
  }

  .nav-pill--blog {
    padding: 9px 8px;
    font-size: 0.78rem;
  }

  .blog-layout {
    grid-template-columns: 1fr;
  }

  .blog-sidebar {
    position: static;
  }

  .blog-post-list {
    max-height: none;
  }
}