/* ============================================================
   TOKENS — matches the Chirpy dark theme look
   ============================================================ */
:root {
  --bg: #1b1b1e;
  --panel: #1e1e21;
  --panel-2: #25252a;
  --border: #303035;
  --text: #d4d4d8;
  --text-muted: #92929a;
  --heading: #f0f0f2;
  --link: #6ea8e0;
  --link-hover: #8fc0ee;
  --accent: #6ea8e0;
  --code-bg: #17171a;
  --sidebar-w: 260px;
  --panel-w: 280px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font-heading: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f7f7f9;
  --panel-2: #eff0f3;
  --border: #e3e3e7;
  --text: #3d3d42;
  --text-muted: #767680;
  --heading: #1b1b1e;
  --link: #1b6fd6;
  --link-hover: #1558ab;
  --accent: #1b6fd6;
  --code-bg: #f4f4f6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

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

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

img {
  max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   SIDEBAR (LEFT NAVIGATION)
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.5rem 1.5rem;
  z-index: 30;
  overflow-y: auto;
}

.sidebar .avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  margin-bottom: 1rem;
}

.sidebar .site-title {
  color: var(--heading);
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
}

.sidebar .site-tagline {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  margin: 0.4rem 0 1.5rem;
  padding: 0 0.5rem;
}

.sidebar-nav {
  width: 100%;
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.sidebar-nav li {
  margin-bottom: 0.15rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--panel-2);
  color: var(--heading);
}

.sidebar-nav .icon {
  width: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
}

.sidebar-social {
  display: flex;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.5rem;
}

.sidebar-social a {
  color: var(--text-muted);
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  transition: color 0.15s, transform 0.15s;
}

.sidebar-social a svg {
  display: block;
}

.sidebar-social a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.powered-by {
  margin-top: 0.75rem;
  font-size: 0.68rem;
  color: #55555c;
  text-align: center;
}

/* ============================================================
   PAGE SHELL & LAYOUT
   ============================================================ */
.page-shell {
  margin-left: var(--sidebar-w);
  display: flex;
  justify-content: center;
  gap: 0;
  min-height: 100vh;
}

.main-col {
  flex: 1;
  min-width: 0;
  padding: 2.25rem 2.5rem 3rem;
  max-width: 980px;
}

/* RIGHT SIDE PANEL — normal flow, only TOC is sticky */
.side-panel {
  width: var(--panel-w);
  flex-shrink: 0;
  padding: 2.25rem 1.5rem 2rem;
  border-left: 1px solid var(--border);
  position: relative;
}

/* Section labels: "Recently Updated", "Trending Tags", "Contents" */
.panel-label {
  color: var(--heading);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

/* Search bar */
.search-block {
  position: static;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.search-input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.85rem;
  padding: 0.55rem 0.75rem;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-results {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  margin-top: 0.4rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 260px;
  overflow-y: auto;
  display: none;
  z-index: 40;
}

.search-results.open {
  display: block;
}

/* Recently Updated — scrolls away naturally */
.recent-block {
  position: static;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

/* Trending Tags — scrolls away naturally */
.tags-block {
  position: static;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

/* ট্যাগ ক্লাউডকে উইডথ লক করে দেওয়া হলো যেন ডানপাশে স্ক্রিনের বাইরে না যায় */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
  max-width: 100%;
}

.tag-pill {
  font-size: 0.76rem;
  color: var(--text-muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.28rem 0.65rem;
  display: inline-block;
  white-space: nowrap;
}

.tag-pill:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.tag-pill .count {
  color: #5f5f68;
  margin-left: 0.3rem;
}

/* ============================================================
   CONTENTS (TOC) — sticky as other blocks scroll away
   Matches vuln.dev behavior
   ============================================================ */
.toc-block {
  position: -webkit-sticky;
  position: sticky;
  top: 20px;
  background: var(--bg);
  z-index: 10;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding-bottom: 1rem;
}
.toc-block::-webkit-scrollbar { width: 3px; }
.toc-block::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

@media (max-width: 1100px) {
  .side-panel {
    display: none;
  }
}

@media (max-width: 800px) {
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar .avatar {
    width: 44px;
    height: 44px;
    margin: 0 0.75rem 0 0;
  }

  .sidebar .site-tagline,
  .sidebar-nav,
  .sidebar-social,
  .powered-by {
    display: none;
  }

  .page-shell {
    margin-left: 0;
    flex-direction: column;
  }

  .main-col {
    max-width: 100%;
    padding: 1.25rem;
  }
}

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  margin-bottom: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  flex: 1;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

/* ============================================================
   FIXED SIZE POST LIST UI (pingpong এর মতো সেম সাইজ)
   ============================================================ */
.post-preview {
  display: flex;
  gap: 0;
  justify-content: space-between;
  padding: 0;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  height: 200px;
  /* full-card link reset */
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.post-preview:hover {
  transform: translateY(-2px);
  border-color: #4a4a52;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.post-preview .pv-text {
  flex: 1;
  min-width: 0;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-preview h2 {
  color: var(--heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-preview h2 .pv-title {
  color: var(--heading);
  transition: color 0.2s;
}

.post-preview:hover h2 .pv-title {
  color: var(--accent);
}

.post-preview p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-preview .post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: auto;
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.post-meta .dot {
  opacity: 0.5;
}

/* CARD THUMBNAIL */
.post-preview .pv-thumb {
  width: 240px;
  height: 100%;
  flex-shrink: 0;
  border-radius: 0;
  border-left: 1px solid var(--border);
  overflow: hidden;
  background: var(--panel-2);
}

.post-preview .pv-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-preview:hover .pv-thumb img {
  transform: scale(1.03);
}

@media (max-width: 680px) {
  .post-preview {
    flex-direction: column-reverse;
    height: auto;
  }

  .post-preview .pv-thumb {
    width: 100%;
    height: 160px;
    border-left: none;
    border-bottom: 1px solid var(--border);
  }

  .post-preview h2 {
    white-space: normal;
  }
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  margin-top: 2rem;
  font-size: 0.85rem;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  border-radius: 7px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  font-family: var(--font-heading);
  font-weight: 600;
}

.pagination a:hover {
  background: var(--panel-2);
  color: var(--heading);
  border-color: var(--border);
}

.pagination .current {
  background: var(--accent);
  color: #10131a;
  font-weight: 900;
  border-color: var(--accent);
}

.pagination .pg-ellipsis {
  color: var(--text-muted);
  border: none;
  pointer-events: none;
  min-width: 24px;
}

.pagination .pg-arrow {
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.pagination .pg-arrow:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--panel-2);
}

.pagination .pg-arrow.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ============================================================
   SIDE PANEL WIDGETS INFO
   ============================================================ */
.panel-block {
  margin-bottom: 2.25rem;
}

.panel-title {
  color: var(--heading);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  font-weight: 700;
}

.panel-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.panel-block li {
  margin-bottom: 0.65rem;
  font-size: 0.85rem;
}

.panel-block li a {
  color: var(--text-muted);
}

.panel-block li a:hover {
  color: var(--accent);
}

/* ============================================================
   BREADCRUMB / PAGE HEADER
   ============================================================ */
.page-header {
  margin-bottom: 1.5rem;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.page-title {
  color: var(--heading);
  font-size: 1.5rem;
  margin: 0;
}

/* ============================================================
   SINGLE POST
   ============================================================ */
.post-banner {
  width: 100%;
  border-radius: 10px;
  margin: 1.25rem 0 1.75rem;
  border: 1px solid var(--border);
}

.post-title {
  color: var(--heading);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 0.75rem;
  line-height: 1.35;
}

.post-top-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.post-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.cat-pill {
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(110, 168, 224, 0.1);
  border: 1px solid rgba(110, 168, 224, 0.3);
  border-radius: 5px;
  padding: 0.25rem 0.6rem;
}

.post-body {
  margin-top: 1.5rem;
}

.post-body h2 {
  color: var(--heading);
  font-size: 1.3rem;
  margin-top: 2.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.post-body h3 {
  color: var(--heading);
  font-size: 1.1rem;
  margin-top: 2rem;
}

.post-body p {
  margin: 1rem 0;
}

.post-body a {
  border-bottom: 1px solid rgba(110, 168, 224, 0.4);
}

.post-body img {
  border-radius: 8px;
  border: 1px solid var(--border);
}

.post-body code {
  font-family: var(--font-mono);
  background: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: #e3b341;
}

.post-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem;
  overflow-x: auto;
}

.post-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.post-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.5rem 0;
  padding: 0.6rem 1.1rem;
  color: var(--text-muted);
  background: var(--panel-2);
  border-radius: 0 6px 6px 0;
}

.post-body ul,
.post-body ol {
  padding-left: 1.4rem;
}

.post-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
  font-size: 0.88rem;
}

.post-body th,
.post-body td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.8rem;
  text-align: left;
}

.post-body th {
  background: var(--panel-2);
  color: var(--heading);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2.5rem 0 1.5rem;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

.post-nav a {
  flex: 1;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

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

.post-nav .next {
  text-align: right;
}

.post-nav .nav-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #5f5f68;
  margin-bottom: 0.3rem;
}

/* ============================================================
   POST FOOTER META
   ============================================================ */
.post-footer-meta {
  margin: 2.5rem 0 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.meta-row a {
  color: var(--link);
}

.meta-row a:hover {
  color: var(--link-hover);
}

.meta-icon {
  opacity: 0.8;
}

.license-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.share-icons {
  display: flex;
  gap: 0.9rem;
}

.share-icons a {
  color: var(--text-muted);
  display: inline-flex;
}

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

/* ============================================================
   FURTHER READING
   ============================================================ */
.further-reading {
  margin: 2rem 0;
}

.section-title {
  color: var(--heading);
  font-size: 1.1rem;
  margin-bottom: 1.1rem;
}

.further-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 720px) {
  .further-grid {
    grid-template-columns: 1fr;
  }
}

.further-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem;
  background: var(--panel);
  color: var(--text);
}

.further-card:hover {
  border-color: var(--accent);
}

.further-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.further-title {
  color: var(--heading);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.further-excerpt {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: #5f5f68;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 2.5rem;
}

.site-footer a {
  color: #5f5f68;
  text-decoration: underline;
}

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

.toc-title {
  color: var(--heading);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.83rem;
}

.toc-list li {
  margin-bottom: 0.55rem;
}

.toc-list a {
  color: var(--text-muted);
  display: block;
}

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

.toc-list .toc-h3 {
  padding-left: 0.9rem;
}

/* ============================================================
   CATEGORIES / TAGS / ARCHIVES
   ============================================================ */
.group-block {
  margin-bottom: 2rem;
}

.group-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--heading);
  font-size: 1rem;
  font-weight: 700;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.group-header .count {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

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

.group-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}

.group-list li a {
  color: var(--text);
}

.group-list li a:hover {
  color: var(--accent);
}

.group-list .g-date {
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.archive-year {
  color: var(--heading);
  font-size: 1.1rem;
  margin: 2rem 0 0.75rem;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-content {
  font-size: 0.95rem;
}

.about-content p {
  margin: 1rem 0;
}

/* ============================================================
   ADMIN
   ============================================================ */
.admin-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.admin-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.25rem 2rem;
}

.admin-card .eyebrow {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.admin-card h1 {
  color: var(--heading);
  font-size: 1.25rem;
  margin: 0 0 1.5rem;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.field textarea {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  font-size: 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #10131a;
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  font-weight: 700;
  transition: opacity 0.15s;
  display: inline-block;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.85;
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

/* ============================================================
   PDF POST BOX (post_type = 'pdf')
   ============================================================ */
.pdf-post-box {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.pdf-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdf-title {
  color: var(--heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pdf-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.1rem;
}

.pdf-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.pdf-view-link {
  color: var(--link);
  font-size: 0.88rem;
}

.pdf-view-link:hover {
  color: var(--link-hover);
}

.pdf-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.12rem 0.4rem;
  margin-left: 0.6rem;
  vertical-align: middle;
}

.error-msg {
  font-size: 0.8rem;
  color: #e5626b;
  margin-top: 0.75rem;
  min-height: 1.2em;
}

.admin-dashboard {
  padding: 2.25rem 2rem 4rem;
  max-width: 820px;
}

.admin-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
}

.admin-top-nav .brand-mini {
  color: var(--heading);
  font-weight: 700;
}

.admin-top-nav a {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 1.25rem;
}

.admin-top-nav a:hover {
  color: var(--accent);
}

.editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .editor-grid {
    grid-template-columns: 1fr;
  }
}

.file-drop {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 1.1rem;
}

.file-drop:hover {
  border-color: var(--accent);
  color: var(--text);
}

.md-toolbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.md-tool-btn {
  background: var(--card-bg, #1a1a1a);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.78rem;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

.md-tool-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.md-tool-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.md-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  flex: 1;
}

textarea.md-drop-active {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.05);
}

textarea.md-expanded {
  position: fixed !important;
  top: 4vh !important;
  left: 4vw !important;
  right: 4vw !important;
  bottom: 4vh !important;
  width: auto !important;
  height: auto !important;
  z-index: 5000 !important;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  border: 1px solid var(--accent);
}

.md-expand-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 4999;
}

.post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
  background: var(--panel-2);
}

/* ============================================================
   ACHIEVEMENTS PAGE
   ============================================================ */
.ach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.ach-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--panel-2);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ach-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.ach-thumb {
  aspect-ratio: 16 / 9;
  background: var(--code-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ach-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ach-thumb-fallback {
  font-size: 2.2rem;
  opacity: 0.4;
}

.ach-info {
  padding: 0.9rem 1rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ach-platform-badge {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  color: var(--platform-color, var(--accent));
  border: 1px solid var(--platform-color, var(--accent));
  background: color-mix(in srgb, var(--platform-color, var(--accent)) 12%, transparent);
}

.ach-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--heading);
  margin: 0;
  line-height: 1.35;
}

.ach-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

/* ── Admin: Add Achievement form ─────────────────────────────── */
.ach-preview-box {
  display: none;
  margin-top: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--code-bg);
  max-width: 340px;
}

.ach-preview-box.visible { display: block; }

.ach-preview-box img {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.ach-preview-box .ach-preview-title {
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text);
}

.admin-badge-achievement {
  color: #d4a336;
}

.post-row .info {
  font-size: 0.87rem;
  color: var(--text);
}

.post-row .info small {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 0.2rem;
}

.post-row .actions {
  display: flex;
  gap: 0.5rem;
}

.post-row .actions button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 5px;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
}

.post-row .actions button:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.post-row .actions button[data-action="delete"]:hover {
  color: #e5626b;
  border-color: #e5626b;
}

.post-row .actions button[data-action="delete"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.gate-denied {
  text-align: center;
  color: var(--text-muted);
  padding-top: 30vh;
  font-size: 0.95rem;
}

/* ============================================================
   ✦ FEATURE 2: DIFFICULTY BADGES
   ============================================================ */
.difficulty-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--diff-color, var(--text-muted));
  border: 1px solid var(--diff-color, var(--border));
  border-radius: 4px;
  padding: 0.12rem 0.45rem;
  margin-left: 0.55rem;
  vertical-align: middle;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--diff-color, transparent) 10%, transparent);
}

/* ============================================================
   ✦ FEATURE 4: LIKE BUTTON
   ============================================================ */
.like-block {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 2rem 0 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.like-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
  font-family: var(--font-body);
}

.like-btn:hover {
  color: #e5626b;
  border-color: #e5626b;
  transform: scale(1.04);
}

.like-btn.liked {
  color: #e5626b;
  border-color: #e5626b;
  background: rgba(229, 98, 107, 0.1);
  cursor: default;
}

.like-btn.liked svg {
  animation: heart-pop 0.35s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes heart-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.35); }
  70%  { transform: scale(0.92); }
  100% { transform: scale(1); }
}

.like-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   ✦ FEATURE 1: TOOL DOWNLOAD CARDS
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.tool-card-thumb {
  width: 100%;
  height: 140px;
  overflow: hidden;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tool-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.tool-card:hover .tool-card-thumb img {
  transform: scale(1.05);
}

.tool-card-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.tool-card-body {
  padding: 1.2rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.tool-card-title {
  color: var(--heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.35;
}

.tool-card-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}

.tool-card-body .btn {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
}

/* Tool card header row (title + TOOL badge side by side) */
.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.tool-card-author {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: -0.25rem;
}

.tool-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.15rem;
}

.tool-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.12rem 0.45rem;
  white-space: nowrap;
}

/* TOOL badge — orange accent */
.tool-badge {
  display: inline-block;
  flex-shrink: 0;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #d4a336;
  border: 1px solid #d4a336;
  border-radius: 4px;
  padding: 0.1rem 0.38rem;
  vertical-align: middle;
  background: rgba(212, 163, 54, 0.1);
  text-transform: uppercase;
  margin-top: 0.1rem;
}

/* ZIP badge — teal/green variant of pdf-badge */
.zip-badge {
  color: #4b9e6d;
  border-color: #4b9e6d;
  background: rgba(75, 158, 109, 0.1);
}

/* ============================================================
   TOOL ITEMS RENDERED INSIDE POST-PREVIEW CARDS
   ============================================================ */

/* Tool card acts like a clickable card but is a div not <a> */
.post-preview.pv-tool {
  cursor: pointer;
}

/* Author line inside tool card */
.pv-tool-author {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: -0.3rem 0 0.4rem;
}

/* Download link inline in meta row */
.pv-download-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: none !important;
  transition: opacity 0.15s;
}

.pv-download-link:hover {
  opacity: 0.75;
  color: var(--accent);
}

/* Inline tag pills inside post-meta for tools */
.tool-meta-tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.tool-meta-tags .tool-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.08rem 0.38rem;
  white-space: nowrap;
}

/* ============================================================
   EDIT BUTTON — admin post row
   ============================================================ */
.post-row .actions button[data-action="edit"] {
  color: var(--accent);
  border-color: rgba(110, 168, 224, 0.4);
}

.post-row .actions button[data-action="edit"]:hover {
  background: rgba(110, 168, 224, 0.1);
  border-color: var(--accent);
}

/* ============================================================
   EDIT MODAL OVERLAY
   ============================================================ */
.edit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 2rem 1rem;
}

.edit-modal-overlay.hidden {
  display: none;
}

.edit-modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 760px;
  padding: 2rem 2.25rem 2.5rem;
  position: relative;
  margin: auto;
}

.edit-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.edit-modal-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--heading);
  margin: 0;
}

.edit-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.edit-modal-close:hover {
  color: var(--heading);
}

/* ============================================================
   CUSTOM PLATFORM INPUT
   ============================================================ */
.custom-platform-wrap {
  margin-top: 0.6rem;
  display: none;
}

.custom-platform-wrap.visible {
  display: block;
}

.custom-platform-wrap input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.page-title,
.post-title,
.site-title {
  font-family: var(--font-heading);
  font-weight: 900;
}

/* ============================================================
   ADMIN BADGES
   ============================================================ */
.admin-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 4px;
  padding: 0.12rem 0.4rem;
  margin-right: 0.5rem;
  vertical-align: middle;
  text-transform: uppercase;
}
.admin-badge-post {
  color: #6ea8e0;
  border: 1px solid rgba(110, 168, 224, 0.4);
  background: rgba(110, 168, 224, 0.1);
}
.admin-badge-tool {
  color: #d4a336;
  border: 1px solid rgba(212, 163, 54, 0.4);
  background: rgba(212, 163, 54, 0.1);
}