/* ===========
   Design System (Dark & Light theme)
   =========== */

/* Base tokens */
:root {
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;

  --shadow-1: 0 8px 20px rgba(0,0,0,0.25);
  --shadow-2: 0 10px 30px rgba(0,0,0,0.35);

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* Dark theme */
  --bg: #0f1115;
  --bg-elev: #151924;
  --card: #161a22;
  --border: #232837;
  --muted: #9ba3af;
  --fg: #e5e7eb;
  --brand: #6ee7b7;
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;

  --btn: #1f2937;
  --input: #0f131c;
  --input-border: #2a3142;

  --focus: #93c5fd;

  --transition-quick: 160ms ease;
}

/* Light theme override */
html[data-theme="light"] {
  --bg: #f7f7fb;
  --bg-elev: #ffffff;
  --card: #ffffff;
  --border: #e5e7eb;
  --muted: #6b7280;
  --fg: #0f172a;
  --brand: #0ea5e9;
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --btn: #f3f4f6;
  --input: #ffffff;
  --input-border: #d1d5db;
  --focus: #2563eb;
}

/* Reset*/
* { box-sizing: border-box }
/* Solid theme color on the element */
body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  z-index: 0;
}

/* Full-viewport*/
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;

/*fills side-to-side on any screen*/
background-image:
    radial-gradient(60vmax 40vmax at 0% -10%,
      rgba(96,165,250,0.22) 0%,
      rgba(96,165,250,0.12) 35%,
      transparent 55%),
    radial-gradient(50vmax 35vmax at 100% 0%,
      rgba(167,139,250,0.20) 0%,
      rgba(167,139,250,0.10) 40%,
      transparent 70%);
  background-repeat: no-repeat, no-repeat;
  background-size: 60vmax 40vmax, 50vmax 35vmax;
  background-position: 0% -10%, 100% 0%;
}

/* Darker, richer gradient blend for light theme */
html[data-theme="light"] body::before {
  background-image:
    /* LEFT*/
    radial-gradient(60vmax 40vmax at 0% -10%,
      rgba(37, 99, 235, 0.55) 0%,
      rgba(37, 99, 235, 0.35) 35%,
      rgba(37, 99, 235, 0.10) 65%,
      transparent 80%),
    /* RIGHT*/
    radial-gradient(50vmax 35vmax at 100% 0%,
      rgba(139, 92, 246, 0.25) 0%,
      rgba(139, 92, 246, 0.15) 40%,
      transparent 70%);
  background-repeat: no-repeat, no-repeat;
  background-size: 60vmax 40vmax, 50vmax 35vmax;
  background-position: 0% -10%, 100% 0%;
  opacity: 1;
}

/* Typography */
h1,h2,h3,h4,h5,h6 { margin: 0 0 var(--sp-3); line-height: 1.2; }
h1 { font-size: clamp(28px, 3vw, 38px); letter-spacing: -0.02em; }
h2 { font-size: clamp(22px, 2.4vw, 28px); }
h3 { font-size: 20px; }
p { margin: 0 0 var(--sp-4); }
small, .muted { color: var(--muted); }

/* Links */
a { color: var(--accent); text-decoration: none; transition: color var(--transition-quick); }
a:hover { text-decoration: underline; }

/* Layout */
.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--sp-4); }
.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 84%, black 0%);
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-4) 0;
}
.brand {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-weight: 800; font-size: 20px; color: var(--fg);
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 999px; background: linear-gradient(45deg, var(--brand), var(--accent));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 12%, transparent);
}
.nav { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.nav a { color: var(--fg); opacity: .9; }
.nav a:hover { opacity: 1; }

.content-grid {
  display: grid; grid-template-columns: 1fr 320px; gap: var(--sp-4);
  padding: var(--sp-6) 0 var(--sp-8);
}
@media (max-width: 980px) {
  .content-grid { grid-template-columns: 1fr; }
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-1);
  margin-bottom: clamp(18px, 2.5vw, 32px);
}
.post-card h2 a { color: var(--fg); }
.post-card h2 a:hover { color: var(--accent); text-decoration: none; }
.meta { color: var(--muted); }

/* =========================================================
   Buttons — base (theme-aware via tokens)
   ========================================================= */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;

  border-radius: var(--radius-sm);
  padding: 10px 14px;

  border: 1px solid var(--btn-border);
  background-color: var(--btn-bg);
  color: var(--btn-text);

  cursor:pointer;
  text-decoration:none;

  transition:
    transform var(--transition-quick),
    background-color var(--transition-quick),
    border-color var(--transition-quick),
    color var(--transition-quick);
}

.btn:hover{
  transform: translateY(-1px);
  background-color: var(--btn-bg-hover);
}
.btn:active{ transform: translateY(0); }

/* =========================================================
   Buttons — Ghost (explicit variant, no leakage)
   ========================================================= */

.btn-ghost{
  border: 1px solid var(--btn-ghost-border, var(--btn-border));
  background-color: var(--btn-ghost-bg);
  color: var(--btn-ghost-text);
}

.btn-ghost:hover{
  background-color: var(--btn-ghost-bg-hover);
}

/* =========================================================
   Buttons — Link
   ========================================================= */

.btn-link{
  background: transparent;
  border-color: transparent;
  padding: 6px 8px;
  color: var(--link);
}
.btn-link:hover{
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  text-decoration: none;
}

/* =========================================================
   Button Tokens — Light mode
   ========================================================= */

:root[data-theme="light"]{
  /* Base buttons */
  --btn-bg: color-mix(in oklab, var(--card) 92%, white);
  --btn-bg-hover: color-mix(in oklab, var(--card) 86%, white);
  --btn-border: var(--border);
  --btn-text: var(--text);

  /* Ghost buttons */
  --btn-ghost-bg: #c8d8fa;
  --btn-ghost-bg-hover: #b9ccf6;
  --btn-ghost-border: var(--border);
  --btn-ghost-text: var(--text);
}

/* =========================================================
   Button Tokens — Dark mode
   ========================================================= */

:root[data-theme="dark"]{
  /* Base buttons */
  --btn-bg: color-mix(in oklab, var(--card) 92%, black);
  --btn-bg-hover: color-mix(in oklab, var(--card) 86%, black);
  --btn-border: var(--border);
  --btn-text: var(--text);

  /* Ghost buttons */
  --btn-ghost-bg: #263851;
  --btn-ghost-bg-hover: #2f4666;
  --btn-ghost-border: rgba(56,189,248,.35);
  --btn-ghost-text: #e5edff;
}

/* Inputs & Forms */
.input, .textarea, .select {
  width: 100%;
  background: var(--input);
  color: var(--fg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  outline: none;
  transition: border-color var(--transition-quick), box-shadow var(--transition-quick);
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--focus) 25%, transparent);
}
.form-row { display: grid; gap: var(--sp-3); grid-template-columns: 1fr 1fr; }
@media (max-width: 700px){ .form-row{ grid-template-columns: 1fr; } }
.form-group { margin-bottom: var(--sp-4); }
.form-group label { display:block; margin-bottom: 6px; color: var(--muted); }

/* Avatars & Badges */
.avatar { width: 36px; height: 36px; border-radius: 999px; background: var(--border); display:inline-block; overflow:hidden; }
.badge {
  display:inline-flex; align-items:center; gap:6px; padding: 4px 8px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in oklab, var(--accent) 25%, var(--border));
  font-size: 12px;
}

/* Chips/Tags */
.chips { display:flex; gap: var(--sp-2); flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); background: var(--btn); color: var(--fg);
  padding: 6px 10px; border-radius: 999px; font-size: 13px;
}

/* Post meta row */
.post-meta-row {
  display:flex; gap: var(--sp-4); align-items:center; justify-content:flex-start;
  color: var(--muted);
}

/* Pagination */
.pagination {
  display:flex; align-items:center; gap: var(--sp-3); justify-content:center; margin: var(--sp-6) 0;
}
.pagination a, .pagination span {
  border:1px solid var(--border); background: var(--btn);
  padding: 8px 12px; border-radius: var(--radius-sm);
  text-decoration: none; color: var(--fg);
}
.pagination span { background: transparent; }

/* Tables */
.table { width:100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid var(--border); padding: 10px 12px; text-align:left; }
.table th { color: var(--muted); font-weight: 600; }
.table tr:hover td { background: color-mix(in oklab, var(--accent) 6%, transparent); }

/* Alerts / Toasts */
.alert {
  border: 1px solid var(--border); background: var(--bg-elev);
  border-left: 4px solid var(--accent);
  padding: 12px 14px; border-radius: var(--radius-sm);
}
.alert-danger { border-left-color: var(--danger); }
.alert-success { border-left-color: var(--success); }
.toast-wrap {
  position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; z-index: 9999;
}
.toast {
  background: var(--card); color: var(--fg); border:1px solid var(--border);
  padding: 10px 12px; border-radius: var(--radius-sm); box-shadow: var(--shadow-2);
}

/* Online user list */
.user-list { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap: var(--sp-2); }
.user-list li a { background: var(--btn); padding: 6px 10px; border-radius: 999px; display:inline-block; }

/* Footer */
.site-footer { border-top:1px solid var(--border); padding: var(--sp-6) 0; color: var(--muted); }

/* Focus styles */
:where(a, button, .btn, input, textarea, select):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--focus) 25%, transparent);
}

/* Motion niceties */
.card, .btn { transition: transform var(--transition-quick), box-shadow var(--transition-quick), background var(--transition-quick), border-color var(--transition-quick); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }

/* Utility helpers */
.row { display:flex; gap: var(--sp-3); align-items:center; }
.justify-between { justify-content: space-between; }
.mt-0{ margin-top: 0 } .mt-2{ margin-top: var(--sp-2) } .mt-3{ margin-top: var(--sp-3) } .mt-4{ margin-top: var(--sp-4) } .mt-6{ margin-top: var(--sp-6) }
.mb-0{ margin-bottom: 0 } .mb-2{ margin-bottom: var(--sp-2) } .mb-3{ margin-bottom: var(--sp-3) } .mb-4{ margin-bottom: var(--sp-4) } .mb-6{ margin-bottom: var(--sp-6) }

/* ===== Theme Toggle (animated slider) ===== */
.theme-toggle {
  position: relative;
  width: 56px;
  height: 30px;
  flex: 0 0 56px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--btn);
  padding: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  box-shadow: 0 4px 14px rgba(0,0,0,.18) inset;
  transition: background var(--transition-quick), border-color var(--transition-quick);
}
.theme-toggle .track {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: color-mix(in oklab, var(--accent) 9%, transparent);
  opacity: .25;
}
.theme-toggle .thumb {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--bg-elev);
  box-shadow: 0 6px 14px rgba(0,0,0,.28);
  transform: translateX(0);
  transition: transform 220ms ease, background var(--transition-quick), box-shadow var(--transition-quick);
}

html[data-theme="dark"] .theme-toggle .thumb {
  transform: translateX(26px);
}

/* Icons inside the switch */
.theme-toggle .icon {
  position: absolute;
  width: 16px; height: 16px;
  top: 50%; transform: translateY(-50%);
  fill: currentColor; stroke: currentColor;
  color: var(--muted);
  opacity: .8;
  pointer-events: none;
}
.theme-toggle .icon.sun  { left: 8px; }
.theme-toggle .icon.moon { right: 8px; }

html[data-theme="light"] .theme-toggle .icon.sun  { color: var(--accent);   opacity: 1; }
html[data-theme="light"] .theme-toggle .icon.moon { opacity: .4; }
html[data-theme="dark"]  .theme-toggle .icon.moon { color: var(--accent-2); opacity: 1; }
html[data-theme="dark"]  .theme-toggle .icon.sun  { opacity: .4; }

/* Hover/focus affordances */
.theme-toggle:hover { border-color: color-mix(in oklab, var(--focus) 35%, var(--border)); }
.theme-toggle:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.nav .theme-toggle { margin-left: var(--sp-2); }

/* Trending widget */
.trending-list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}
.trending-item .row { align-items: flex-start; }
.trend-rank {
  width: 28px; height: 28px;
  border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 25%, var(--border));
  color: var(--accent); font-weight: 700; line-height: 1;
}
.trending-body { display: grid; gap: 4px; }
.trending-title a { color: var(--fg); font-weight: 600; }
.trending-title a:hover { color: var(--accent); text-decoration: none; }
.trending-meta { color: var(--muted); font-size: 13px; display: inline-flex; gap: 12px; }

/*Breadcrumbs*/
.breadcrumb {
  margin: var(--sp-4) 0 var(--sp-3);
  font-size: 14px;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 6px 10px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(
      180deg,
      color-mix(in oklab, var(--accent) 6%, transparent),
      transparent 60%
  );
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

/* Divider arrow */
.breadcrumb li + li::before {
  content: "›";
  margin: 0 4px 0 2px;
  opacity: .8;
  color: color-mix(in oklab, var(--accent) 65%, var(--muted));
}

.breadcrumb a,
.breadcrumb [aria-current="page"] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 999px;
  transition: background var(--transition-quick), color var(--transition-quick), border-color var(--transition-quick), box-shadow var(--transition-quick);
}

/* Normal crumb */
.breadcrumb a {
  color: var(--fg);
  background: var(--btn);
  border: 1px solid var(--border);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  border-color: color-mix(in oklab, var(--accent) 28%, var(--border));
  text-decoration: none;
}
.breadcrumb a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* Current page crumb */
.breadcrumb [aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 28%, var(--border));
}

.breadcrumb li:first-child a::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 999px;
  background: linear-gradient(45deg, var(--brand), var(--accent));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 20%, transparent);
}

/*Post summary highlight*/
.post-summary {
  margin-top: var(--sp-3);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklab, var(--accent) 28%, var(--border));
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--accent) 12%, transparent),
      color-mix(in oklab, var(--brand) 8%, transparent) 70%,
      transparent
    );
}

.post-summary p { margin: 0; color: var(--fg); }
.post-summary .read-more {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in oklab, var(--accent) 50%, transparent);
}
.post-summary .read-more:hover {
  color: color-mix(in oklab, var(--accent) 80%, var(--fg));
  border-bottom-color: currentColor;
  text-decoration: none;
}

html[data-theme="light"] .post-summary {
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--accent) 10%, white),
      color-mix(in oklab, var(--brand) 8%, white) 70%,
      white
    );
}

.guest-alert{
  border: 1px solid color-mix(in oklab, var(--danger) 35%, var(--border));
  border-left: 4px solid var(--danger);
  background:
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--danger) 12%, transparent),
      transparent 70%
    );
}

html[data-theme="light"] .guest-alert{
  background:
    linear-gradient(
      180deg,
      color-mix(in oklab, var(--danger) 10%, white),
      white 70%
    );
}

/*Post content typography*/
.post-content {
  line-height: 1.7;
}
.post-content a { color: var(--accent); text-decoration: underline; }
.post-content code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.95em;
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  padding: 2px 6px; border-radius: 6px;
  border: 1px solid color-mix(in oklab, var(--accent) 20%, var(--border));
}
.post-content pre code { display:block; padding: 12px 14px; border-radius: var(--radius-md); overflow:auto; }
.post-content blockquote {
  margin: var(--sp-4) 0;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--accent) 12%, transparent),
      transparent 70%);
  border-radius: 8px;
}
html[data-theme="light"] .post-content blockquote {
  background:
    linear-gradient(180deg,
      color-mix(in oklab, var(--accent) 10%, white),
      white 70%);
}

/* ===== Tiny editor UI ===== */
.editor-toolbar {
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  padding: 8px; border:1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-elev); margin-bottom: 8px;
}
.editor-toolbar .sep { width:1px; height:24px; background: var(--border); margin:0 4px; }
.editor-toolbar .btn { padding: 6px 10px; }
.editor-tabs { margin-left: auto; display:flex; gap:6px; }
.editor-tabs .tab {
  border: 1px solid var(--border); background: var(--btn); color: var(--fg);
  padding: 6px 10px; border-radius: 999px; cursor: pointer;
}
.editor-tabs .tab.active {
  color: var(--accent);
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
  background: color-mix(in oklab, var(--accent) 10%, transparent);
}
.editor-textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* ===== Rich Text Editor ===== */
.rt-editor {
  min-height: 320px;
  padding: 12px 14px;
  background: var(--input);
  color: var(--fg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
  outline: none;
}
.rt-editor:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--focus) 25%, transparent);
}
.rt-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
  pointer-events: none;
}

.rt-editor blockquote,
.post-content blockquote {
  margin: 12px 0;
  padding: 10px 12px;
  border-left: 4px solid color-mix(in oklab, var(--accent) 35%, transparent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border-radius: 6px;
}

/* Images in editor & posts */
.rt-editor img,
.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  margin: 12px 0;
  box-shadow: var(--shadow-1);
}

.fav-btn {
  display:inline-flex; align-items:center; gap:6px;
  border:1px solid var(--border);
  background: var(--btn);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-quick), background var(--transition-quick), border-color var(--transition-quick), color var(--transition-quick);
}
.fav-btn:hover { transform: translateY(-1px); }
.fav-btn .heart {
  width: 16px; height: 16px; display:block;
  fill: none; stroke: currentColor; stroke-width: 1.8;
}
.fav-btn.is-on { color: var(--accent-2); border-color: color-mix(in oklab, var(--accent-2) 35%, var(--border)); background: color-mix(in oklab, var(--accent-2) 10%, transparent); }
.fav-btn.is-on .heart { fill: currentColor; stroke: currentColor; }
.fav-count { font-variant-numeric: tabular-nums; }

.icon-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--btn);
  color: var(--fg);
  padding: 6px 10px;
  border-radius: 999px;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-quick), background var(--transition-quick), border-color var(--transition-quick);
}
.icon-pill .icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.icon-pill:hover {
  transform: translateY(-1px);
  background: color-mix(in oklab, var(--accent) 8%, var(--btn));
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
}
.icon-pill.edit-pill {
  background: color-mix(in oklab, var(--accent) 6%, var(--btn));
  border-color: color-mix(in oklab, var(--accent) 22%, var(--border));
}
html[data-theme="light"] .icon-pill.edit-pill {
  background: color-mix(in oklab, var(--accent) 8%, var(--btn));
}

/* User panel */ .user-panel .link-stack { display: flex; flex-direction: column; } .user-panel .link-stack a { color: var(--fg); text-decoration: none; opacity: .9; } .user-panel .link-stack a:hover { opacity: 1; text-decoration: underline; } .user-panel .link-stack a.disabled { opacity: .6; pointer-events: none; }

/* --- Collapsible cards --- */
.card { position: relative; }
.card-head {
  display:flex; align-items:center; justify-content:space-between;
  gap: var(--sp-3); margin-bottom: var(--sp-3);
}
.card-title { margin: 0; }

/* Toggle button (round, small) */
.card-toggle {
  display:inline-grid; place-items:center;
  width:28px; height:28px; border-radius:999px;
  border:1px solid var(--border); background: var(--btn); color: var(--fg);
  cursor:pointer; font-size:18px; line-height:1; padding:0;
}
.card-toggle:hover { border-color: color-mix(in oklab, var(--focus) 35%, var(--border)); }

/* Collapsed state*/
.card[data-collapsed="1"] { 
  background: color-mix(in oklab, var(--danger) 12%, var(--card));
  border-color: color-mix(in oklab, var(--danger) 50%, var(--border));
}
.card[data-collapsed="1"] .card-head { margin-bottom: 0; }
.card[data-collapsed="1"] .card-title { color: var(--danger); }
.card[data-collapsed="1"] .card-body { display:none; }

/*padding when collapsed */
.card[data-collapsed="1"] { padding: var(--sp-4); }

/* Username suggestions */
.suggest{
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  margin-top: 6px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.suggest .suggest-item{
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 0;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  font: inherit;
}
.suggest .suggest-item:hover{ background: color-mix(in oklab, var(--accent) 10%, transparent); }
.suggest .suggest-empty{
  padding: 8px 10px;
  color: var(--muted);
}

/* Spoiler block */
.post-content details.spoiler,
.rt-surface  details.spoiler {
  margin: var(--sp-4) 0;
  border-left: 4px solid color-mix(in oklab, var(--accent) 35%, transparent);
  border-radius: 8px;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  padding: 0;
}

/* Summary bar */
.post-content details.spoiler > summary,
.rt-surface  details.spoiler > summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--fg);
  position: relative;
  user-select: none;
  outline: none;
  background: linear-gradient(180deg,
              color-mix(in oklab, var(--accent) 12%, transparent),
              transparent 70%);
}

/* Hide default marker (WebKit) */
.post-content details.spoiler > summary::-webkit-details-marker,
.rt-surface  details.spoiler > summary::-webkit-details-marker { display: none; }

/* Right-side chevron */
.post-content details.spoiler > summary::after,
.rt-surface  details.spoiler > summary::after {
  content: '▸';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform 160ms ease, opacity 160ms ease;
  opacity: .8;
}

/* Rotate when open */
.post-content details.spoiler[open] > summary::after,
.rt-surface  details.spoiler[open] > summary::after {
  transform: translateY(-50%) rotate(90deg);
}

/* Spoiler body */
.post-content details.spoiler > *:not(summary),
.rt-surface  details.spoiler > *:not(summary) {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}


/* Light theme*/
html[data-theme="light"] .post-content details.spoiler,
html[data-theme="light"] .rt-editor    details.spoiler {
  background: color-mix(in oklab, var(--accent) 10%, white);
}

.rt-editor{
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.post-content{
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Keep the editor from collapsing around floats */
.rt-editor { overflow: auto; }

.rt-editor img.float-left,
.post-content img.float-left {
  float: left;
  margin: 4px 14px 8px 0;
  max-width: min(45%, 320px);
  height: auto;
  border-radius: var(--radius-md);
}

.rt-editor img.float-right,
.post-content img.float-right {
  float: right;
  margin: 4px 0 8px 14px;
  max-width: min(45%, 320px);
  height: auto;
  border-radius: var(--radius-md);
}

.rt-editor::after,
.post-content::after {
  content: "";
  display: block;
  clear: both;
}

@media (max-width: 640px) {
  .rt-editor img.float-left,
  .rt-editor img.float-right,
  .post-content img.float-left,
  .post-content img.float-right {
    float: none;
    margin: 12px 0;
    max-width: 100%;
  }
}

.post-card .teaser-wrap img.list-wrap {
  width: 120px;
  max-width: 32%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

@media (min-width: 900px) {
  .post-card .teaser-wrap img.list-wrap { width: 140px; }
}

.post-card .teaser-wrap img.list-wrap.float-left  { float: left;  margin: 0 12px 8px 0; }
.post-card .teaser-wrap img.list-wrap.float-right { float: right; margin: 0 0 8px 12px; }

.post-card .teaser-wrap::after { content: ""; display: block; clear: both; }

/* Avatar image */
.avatar {
  overflow: hidden;
  border-radius: 999px;
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

/* --- Mobile nav (hamburger) --- */
.nav-toggle{
  display:none;
  margin-left:auto;
  width:40px; height:40px;
  border:0;
  background:transparent;
  cursor:pointer;
  position:relative;
}

/* bars */
.nav-toggle .bar{
  position:absolute;
  left:8px; right:8px;
  height:2px;
  border-radius:1px;
  background:currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle .bar:nth-child(1){ top:12px; }
.nav-toggle .bar:nth-child(2){ top:19px; }
.nav-toggle .bar:nth-child(3){ top:26px; }

/* X when body is open */
body.nav-open .nav-toggle .bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle .bar:nth-child(2){ opacity:0; }
body.nav-open .nav-toggle .bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* overlay (closed by default) */
.nav-overlay{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(2px);
  z-index:80;
  opacity:0;
  pointer-events:none;
  transition: opacity .2s ease;
}
body.nav-open .nav-overlay{
  opacity:1;
  pointer-events:auto;
}

/* desktop nav */
.site-header .nav{
  display:flex;
  gap:.5rem;
  align-items:center;
}

/* Lock body scroll when menu open */
body.nav-open{ overflow:hidden; }

/* Breakpoint: collapse into drawer */
@media (max-width: 900px){
  .header-inner{
    display:flex;
    align-items:center;
    gap:.75rem;
    min-width:0;
  }

  .nav-toggle{ display:inline-block; }

  .site-header .nav{
    position:fixed;
    top:0;
    right:0;
    width:280px;
    max-width:86vw;
    height:100dvh;

    display:flex;
    flex-direction:column;
    gap:.25rem;
    padding:1rem;

    background: var(--bg-elev);
    box-shadow: -12px 0 24px rgba(0,0,0,.25);
    z-index:99;

    transform: translateX(110%);
    transition: transform .2s ease;
    will-change: transform;

    flex-wrap:nowrap;
    overflow-x:hidden;
    overflow-y:auto;
    -webkit-overflow-scrolling: touch;
  }

  /* OPEN only via body.nav-open */
  body.nav-open .site-header .nav{
    transform: translateX(0);
  }

  .site-header .nav .btn{
    width:100%;
    justify-content:flex-start;
  }

  .site-header .nav .theme-toggle{
    margin-top:auto;
  }
}

html, body { overflow-x: hidden; }

.site-header { overflow-x: clip; }

/* ================================================================
   Workshop embed (Planet Coaster 2 / Frontier Workshop)
   ================================================================ */

/* Planet Coaster 2-ish palette (teal/aqua + neon accents) */
.rt-workshop-card{
  /* defaults (dark mode friendly) */
  --pc2-a: #22d3ee;   /* cyan/teal */
  --pc2-b: #34d399;   /* green-teal */
  --pc2-glow: rgba(34,211,238,.25);
  --pc2-border: rgba(34,211,238,.22);
  --pc2-bg: rgba(10, 18, 28, .55);
  --pc2-bg2: rgba(10, 18, 28, .35);
  --pc2-text: inherit;
  --pc2-muted: color-mix(in oklab, var(--muted,#8792a2) 85%, #cfefff);

  border: 1px solid var(--pc2-border);
  background:
    linear-gradient(135deg, rgba(34,211,238,.12), rgba(52,211,153,.08)) ,
    linear-gradient(180deg, var(--pc2-bg), var(--pc2-bg2));
  border-radius: 14px;
  padding: 12px 12px;
  margin: 10px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  box-shadow: 0 10px 24px rgba(0,0,0,.22);
  position: relative;
  overflow: hidden;
}

/* subtle animated-ish sheen without animation */
.rt-workshop-card::before{
  content:'';
  position:absolute;
  inset:-40% -60% auto -60%;
  height:120%;
  background: radial-gradient(circle at 30% 30%, rgba(34,211,238,.22), transparent 60%);
  pointer-events:none;
}

:root[data-theme="light"] .rt-workshop-card{
  --pc2-border: rgba(0, 140, 170, .28);
  --pc2-bg: rgba(255,255,255,.95);
  --pc2-bg2: rgba(245,250,255,.95);
  --pc2-glow: rgba(0,140,170,.18);
  --pc2-muted: color-mix(in oklab, var(--muted,#51606f) 90%, #0a5b68);

  box-shadow: 0 10px 18px rgba(0,0,0,.10);
}

.rt-workshop-thumb{
  width: 120px;
  height: 80px;
  border-radius: 14px;
  flex: 0 0 120px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid color-mix(in oklab, var(--pc2-a) 45%, rgba(255,255,255,.18));
  background:
    linear-gradient(135deg, rgba(34,211,238,.22), rgba(52,211,153,.16));
  box-shadow:
    0 10px 24px rgba(0,0,0,.22),
    0 0 0 2px rgba(34,211,238,.08) inset;
}

:root[data-theme="light"] .rt-workshop-thumb{
  box-shadow:
    0 10px 18px rgba(0,0,0,.10),
    0 0 0 2px rgba(0,140,170,.08) inset;
}

.rt-workshop-thumb.placeholder{
  display: grid;
  place-items: center;
  font-size: 44px;
  line-height: 1;
  user-select: none;

  /* make the emoji feel “neon” */
  filter: drop-shadow(0 6px 14px rgba(0,0,0,.25))
          drop-shadow(0 0 10px var(--pc2-glow));
}

.rt-workshop-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.rt-workshop-meta{
  min-width: 0;
  flex: 1 1 auto;
  position: relative;
  z-index: 1;
}

.rt-workshop-title{
  font-weight: 900;
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: .2px;
}

.rt-workshop-sub{
  font-size: 12px;
  color: var(--pc2-muted);
  margin: 0 0 8px;
}

.rt-workshop-code{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  user-select: all;

  border: 1px dashed color-mix(in oklab, var(--pc2-a) 55%, rgba(255,255,255,.18));
  background: color-mix(in oklab, var(--pc2-a) 10%, rgba(0,0,0,.22));
  box-shadow: 0 0 0 2px rgba(34,211,238,.06) inset;
}

:root[data-theme="light"] .rt-workshop-code{
  background: color-mix(in oklab, var(--pc2-a) 10%, rgba(255,255,255,.9));
}

.rt-workshop-actions{
  margin-top: 8px;
}

.rt-workshop-actions a{
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;

  color: color-mix(in oklab, var(--pc2-a) 80%, white);
  border-bottom: 1px dotted color-mix(in oklab, var(--pc2-a) 55%, transparent);
}

:root[data-theme="light"] .rt-workshop-actions a{
  color: color-mix(in oklab, #0a5b68 80%, black);
  border-bottom-color: rgba(0, 140, 170, .45);
}

.rt-workshop-actions a:hover{
  filter: drop-shadow(0 0 10px var(--pc2-glow));
}
.rt-workshop-codeRow{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:6px; }
.rt-workshop-codeLabel{ font-size:12px; font-weight:700; }
.rt-workshop-copy{ font-size:12px; text-decoration:none; display:inline-flex; align-items:center; gap:6px; padding-bottom:1px; }