/* DRS Skills — GitHub-style design system (dark theme by default) */

:root {
  /* GitHub Primer color tokens (dark) */
  --canvas-default: #0d1117;
  --canvas-subtle:  #161b22;
  --canvas-inset:   #010409;
  --canvas-overlay: #161b22;

  --border-default: #30363d;
  --border-muted:   #21262d;
  --border-subtle:  rgba(240, 246, 252, 0.1);

  --fg-default: #e6edf3;
  --fg-muted:   #7d8590;
  --fg-subtle:  #6e7681;
  --fg-onemphasis: #ffffff;

  --accent-fg:    #2f81f7;
  --accent-emphasis: #1f6feb;
  --accent-subtle: rgba(56, 139, 253, 0.15);

  --success-fg:   #3fb950;
  --success-emphasis: #238636;
  --success-emphasis-hover: #2ea043;

  --danger-fg:    #f85149;
  --danger-emphasis: #da3633;

  --attention-fg: #d29922;

  --btn-bg: #21262d;
  --btn-hover-bg: #30363d;
  --btn-border: var(--border-default);

  --shadow-small: 0 1px 0 rgba(1, 4, 9, 0.1);
  --shadow-medium: 0 3px 6px rgba(140, 149, 159, 0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --radius: 6px;
  --radius-lg: 12px;

  --container: 1012px;
}

* { box-sizing: border-box; }

/* Custom-styled buttons must not inherit native OS theming (some engines
   ignore author backgrounds on <button> unless appearance is reset). */
button { font-family: inherit; }
.btn, .sort-tab, .varrow, .md-tab, .vote-btn {
  -webkit-appearance: none; appearance: none;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas-default);
  color: var(--fg-default);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-fg);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

pre {
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}

hr {
  border: none;
  border-top: 1px solid var(--border-muted);
  margin: 24px 0;
}

h1, h2, h3, h4 {
  margin: 0 0 12px;
  font-weight: 600;
  line-height: 1.25;
}
h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }

/* -------------------------- Layout -------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}
.container-wide {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

.stack > * + * { margin-top: 16px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.grow { flex: 1; }
.muted { color: var(--fg-muted); }
.text-small { font-size: 12px; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none !important; }

/* -------------------------- Header -------------------------- */
.site-header {
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border-default);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container-wide {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-default);
  font-weight: 600;
  font-size: 16px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-emphasis);
  color: #fff;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}
.site-nav {
  display: flex;
  gap: 4px;
  margin-left: 8px;
}
.site-nav a {
  color: var(--fg-default);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}
.site-nav a:hover {
  background: var(--btn-hover-bg);
  text-decoration: none;
}
.site-nav a.active {
  color: var(--fg-default);
  background: var(--btn-bg);
}
.header-spacer { flex: 1; }
.header-right { display: flex; gap: 8px; align-items: center; }

.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-emphasis);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

/* -------------------------- Buttons -------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--btn-bg);
  color: var(--fg-default);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.1s, border-color 0.1s;
  text-decoration: none;
  line-height: 20px;
  min-height: 32px;
}
.btn:hover { background: var(--btn-hover-bg); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--success-emphasis);
  color: #fff;
  border-color: var(--border-subtle);
}
.btn-primary:hover { background: var(--success-emphasis-hover); }

.btn-danger {
  color: var(--danger-fg);
}
.btn-danger:hover {
  background: var(--danger-emphasis);
  color: #fff;
  border-color: var(--danger-emphasis);
}

.btn-large {
  font-size: 16px;
  padding: 8px 20px;
  min-height: 40px;
}

.btn-block { width: 100%; }

/* -------------------------- Forms -------------------------- */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-label .req { color: var(--danger-fg); }
.form-hint {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
}
.input, .textarea, .select {
  display: block;
  width: 100%;
  padding: 6px 12px;
  font-size: 14px;
  font-family: var(--font-sans);
  line-height: 20px;
  color: var(--fg-default);
  background: var(--canvas-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  min-height: 32px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent-fg);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.textarea { min-height: 120px; resize: vertical; font-family: var(--font-mono); font-size: 13px; }
.input.mono { font-family: var(--font-mono); letter-spacing: 0.2em; text-align: center; font-size: 24px; }

/* -------------------------- Box / Card -------------------------- */
.box {
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  overflow: hidden;
}
.box-header {
  padding: 12px 16px;
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border-default);
  font-weight: 600;
  font-size: 14px;
}
.box-body { padding: 16px; }
.box-row {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.box-row:last-child { border-bottom: none; }

/* -------------------------- Flash / Alert -------------------------- */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid;
  margin-bottom: 16px;
  font-size: 14px;
}
.flash-info {
  background: var(--accent-subtle);
  border-color: var(--accent-emphasis);
  color: var(--fg-default);
}
.flash-success {
  background: rgba(46, 160, 67, 0.15);
  border-color: var(--success-emphasis);
}
.flash-warn {
  background: rgba(187, 128, 9, 0.15);
  border-color: var(--attention-fg);
}
.flash-error {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--danger-emphasis);
}

/* -------------------------- Labels / Badges -------------------------- */
.label {
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  height: 22px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border-default);
  color: var(--fg-muted);
}
.label-accent { color: var(--accent-fg); border-color: var(--accent-emphasis); background: var(--accent-subtle); }
.label-success { color: var(--success-fg); border-color: var(--success-emphasis); background: rgba(46, 160, 67, 0.15); }
.label-warn { color: var(--attention-fg); border-color: var(--attention-fg); background: rgba(187, 128, 9, 0.15); }

/* -------------------------- Hero / Landing -------------------------- */
.hero {
  padding: 64px 0 48px;
  text-align: center;
  border-bottom: 1px solid var(--border-muted);
}
.hero h1 {
  font-size: 48px;
  background: linear-gradient(180deg, #fff 0%, #c9d1d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.hero .tagline {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 24px;
}
.hero-actions { display: inline-flex; gap: 12px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 48px 0;
}
.feature {
  padding: 24px;
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
}
.feature h3 { margin-bottom: 8px; }

/* -------------------------- Pricing card -------------------------- */
.pricing-wrap {
  display: flex;
  justify-content: center;
  margin: 48px 0;
}
.pricing-card {
  width: 100%;
  max-width: 420px;
  background: var(--canvas-subtle);
  border: 1px solid var(--accent-emphasis);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: 0 0 0 1px var(--accent-subtle), 0 10px 30px rgba(0,0,0,0.4);
}
.pricing-card .badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-emphasis);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.pricing-card .price {
  font-size: 56px;
  font-weight: 700;
  margin: 8px 0 0;
  letter-spacing: -1px;
}
.pricing-card .price .currency { font-size: 24px; vertical-align: top; color: var(--fg-muted); margin-right: 4px; }
.pricing-card .price-note { color: var(--fg-muted); font-size: 13px; margin-top: 4px; }
.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  text-align: left;
}
.pricing-card li {
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-card li::before {
  content: "✓";
  color: var(--success-fg);
  font-weight: 700;
  flex-shrink: 0;
}

/* -------------------------- Skill cards (dashboard) -------------------------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.skill-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.skill-card:hover { border-color: var(--border-default); }
.skill-card .skill-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--accent-fg);
  margin-bottom: 4px;
}
.skill-card .skill-desc {
  color: var(--fg-muted);
  font-size: 13px;
  margin-bottom: 12px;
  min-height: 40px;
}
.skill-card .skill-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--fg-muted);
  font-size: 12px;
  margin-top: auto;
}

.locked-overlay {
  text-align: center;
  padding: 32px 16px;
  background: var(--canvas-subtle);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

/* -------------------------- Tables -------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-muted);
}
th {
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--canvas-subtle);
}

/* -------------------------- Invoice -------------------------- */
.invoice {
  background: #fff;
  color: #1f2328;
  padding: 48px;
  max-width: 820px;
  margin: 32px auto;
  border-radius: 8px;
  font-family: var(--font-sans);
}
.invoice h1 { color: #1f2328; }
.invoice .biz { font-size: 13px; color: #57606a; }
.invoice table { color: #1f2328; }
.invoice th { background: #f6f8fa; color: #1f2328; }
.invoice td, .invoice th { border-color: #d0d7de; }
.invoice .totals { margin-top: 16px; }
.invoice .totals .row-between { padding: 6px 0; }
.invoice .totals .grand {
  font-weight: 700;
  border-top: 2px solid #1f2328;
  padding-top: 10px;
  margin-top: 6px;
  font-size: 16px;
}
@media print {
  .site-header, .no-print { display: none !important; }
  body { background: #fff; }
  .invoice { box-shadow: none; margin: 0; }
}

/* -------------------------- Auth pages -------------------------- */
.auth-wrap {
  max-width: 380px;
  margin: 64px auto;
  padding: 0 16px;
}
.auth-wrap .brand {
  justify-content: center;
  font-size: 20px;
  margin-bottom: 24px;
}

/* -------------------------- Footer -------------------------- */
.site-footer {
  margin-top: 64px;
  padding: 32px 0;
  border-top: 1px solid var(--border-muted);
  color: var(--fg-muted);
  font-size: 12px;
}
.site-footer .container-wide {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.site-footer a { color: var(--fg-muted); }
.site-footer a:hover { color: var(--fg-default); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

/* -------------------------- Spinner -------------------------- */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--fg-muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* -------------------------- Misc -------------------------- */
.octicon { width: 16px; height: 16px; fill: currentColor; }

/* ============================ Community UI ============================ */
:root {
  --upvote: #ff6a33;
  --downvote: #7c93ff;
  --post-bg: #14191f;
  --post-bg-hover: #1a212a;
}

/* ---- User chip (header) ---- */
.user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 3px 12px 3px 3px; border-radius: 999px;
  border: 1px solid var(--border-default); color: var(--fg-default);
  transition: background .13s, border-color .13s;
}
.user-chip:hover { background: var(--btn-hover-bg); border-color: var(--fg-subtle); text-decoration: none; }
.user-chip .avatar { width: 26px; height: 26px; }
.user-chip-name { font-size: 13px; font-weight: 600; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Header refinements ---- */
.site-nav a.active { background: var(--btn-bg); color: var(--fg-default); }

/* ---- Join banner ---- */
.join-banner {
  background: linear-gradient(90deg, rgba(255,106,51,.10), rgba(35,134,54,.12));
  border-bottom: 1px solid var(--border-default);
  padding: 11px 0; font-size: 14px;
}
.join-banner .btn { white-space: nowrap; }

/* ---- Feed layout ---- */
.feed-layout {
  display: grid; grid-template-columns: minmax(0,1fr) 312px; gap: 28px; margin-top: 28px; align-items: start;
}
.feed-main { min-width: 0; }
.feed-sidebar { position: sticky; top: 84px; }

/* ---- Toolbar: segmented sort control + search with icon ---- */
.feed-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.sort-tabs {
  display: inline-flex; background: var(--canvas-subtle);
  border: 1px solid var(--border-default); border-radius: 10px; padding: 3px; gap: 2px;
}
.sort-tab {
  background: transparent; border: none; color: var(--fg-muted);
  padding: 6px 14px; border-radius: 7px; cursor: pointer; font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px; transition: background .12s, color .12s;
}
.sort-tab:hover { color: var(--fg-default); }
.sort-tab.active { background: var(--accent-emphasis); color: #fff; }
.search-form { flex: 1; min-width: 200px; position: relative; }
.search-form .search-ic { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--fg-subtle); pointer-events: none; display: flex; }
.search-form .input { padding-left: 38px; height: 40px; border-radius: 10px; }
.author-chip {
  background: var(--accent-subtle); border: 1px solid var(--accent-emphasis); color: var(--fg-default);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; margin-bottom: 16px;
  display: inline-flex; gap: 10px; align-items: center;
}
.author-chip a { color: var(--accent-fg); }

/* ---- Post card ---- */
.post {
  display: flex; gap: 14px; padding: 16px 18px;
  background: var(--post-bg); border: 1px solid var(--border-default);
  border-radius: 12px; margin-bottom: 12px;
  transition: border-color .13s, background .13s;
}
.post:hover { background: var(--post-bg-hover); border-color: var(--fg-subtle); }
.post-main { flex: 1; min-width: 0; }
.post-title {
  display: inline-block; font-size: 17px; font-weight: 650; line-height: 1.3;
  color: var(--fg-default); letter-spacing: -.01em;
}
.post-title:hover { color: var(--accent-fg); text-decoration: none; }
.post-desc {
  color: var(--fg-muted); font-size: 14px; line-height: 1.5; margin: 6px 0 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.post-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; color: var(--fg-subtle); font-size: 12.5px; }
.post-meta .meta-author { color: var(--fg-muted); font-weight: 600; }
.post-meta .meta-author:hover { color: var(--accent-fg); }
.post-meta .dot { opacity: .45; }
.meta-stat { display: inline-flex; align-items: center; gap: 5px; color: var(--fg-subtle); }
a.meta-stat:hover { color: var(--accent-fg); }
.meta-stat svg { width: 14px; height: 14px; opacity: .85; }
.author-link { font-weight: 600; color: var(--fg-muted); }
.author-link:hover { color: var(--accent-fg); }

/* ---- Chips / badges ---- */
.chip {
  display: inline-flex; align-items: center; gap: 4px; height: 21px; padding: 0 9px;
  border-radius: 6px; font-size: 11.5px; font-weight: 600; line-height: 1;
  border: 1px solid var(--border-default); color: var(--fg-muted); background: var(--canvas-default);
}
.chip-video { color: var(--accent-fg); border-color: var(--accent-emphasis); background: var(--accent-subtle); }
.chip-app { color: #d2a8ff; border-color: #8957e5; background: rgba(137,87,229,.12); }

/* ---- Vote module ---- */
.vote { display: flex; flex-direction: column; align-items: center; gap: 1px; min-width: 38px; padding-top: 1px; }
.varrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: none; background: transparent; color: var(--fg-subtle);
  border-radius: 8px; cursor: pointer; transition: background .12s, color .12s, transform .06s;
}
.varrow svg { width: 18px; height: 18px; display: block; }
.varrow:hover { background: var(--btn-hover-bg); color: var(--fg-default); }
.varrow:active { transform: scale(.86); }
.varrow.down svg { transform: rotate(180deg); }
.varrow.on-up { color: var(--upvote); }
.varrow.on-down { color: var(--downvote); }
.vscore { font-size: 13px; font-weight: 700; color: var(--fg-default); min-width: 22px; text-align: center; font-variant-numeric: tabular-nums; }
.vscore.up { color: var(--upvote); }
.vscore.down { color: var(--downvote); }
.vote-lg .varrow { width: 40px; height: 40px; }
.vote-lg .varrow svg { width: 24px; height: 24px; }
.vote-lg .vscore { font-size: 16px; }

/* ---- Skill detail ---- */
.skill-detail { display: flex; gap: 18px; align-items: flex-start; }
.skill-detail-main { flex: 1; min-width: 0; }
.skill-detail h1 { letter-spacing: -.02em; }
.lead { font-size: 16px; color: var(--fg-muted); line-height: 1.55; }
.video-wrap {
  margin: 18px 0; border-radius: 12px; overflow: hidden;
  background: #000; border: 1px solid var(--border-default);
}
.video-wrap video { width: 100%; max-height: 480px; display: block; }

/* -------------------------- Markdown body -------------------------- */
.markdown-body { font-size: 15px; line-height: 1.7; color: var(--fg-default); word-wrap: break-word; }
.markdown-body h1, .markdown-body h2 { border-bottom: 1px solid var(--border-muted); padding-bottom: 6px; margin-top: 24px; }
.markdown-body h1 { font-size: 26px; }
.markdown-body h2 { font-size: 21px; }
.markdown-body h3 { font-size: 17px; margin-top: 20px; }
.markdown-body p { margin: 12px 0; }
.markdown-body ul, .markdown-body ol { padding-left: 24px; margin: 12px 0; }
.markdown-body li { margin: 4px 0; }
.markdown-body code {
  background: var(--canvas-inset); padding: 2px 6px; border-radius: 4px; font-size: 85%;
}
.markdown-body pre {
  background: var(--canvas-inset); padding: 16px; border-radius: var(--radius);
  overflow-x: auto; border: 1px solid var(--border-default);
}
.markdown-body pre code { background: none; padding: 0; }
.markdown-body blockquote {
  border-left: 3px solid var(--border-default); padding-left: 16px; color: var(--fg-muted); margin: 12px 0;
}
.markdown-body a { color: var(--accent-fg); }
.markdown-body img { max-width: 100%; border-radius: var(--radius); }
.markdown-body hr { border: none; border-top: 1px solid var(--border-muted); margin: 20px 0; }

/* -------------------------- Comments -------------------------- */
.comment-form .textarea { min-height: 72px; font-family: var(--font-sans); font-size: 14px; }
.comment { padding: 12px 0; border-bottom: 1px solid var(--border-muted); }
.comment:last-child { border-bottom: none; }
.comment-head { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.comment-del { margin-left: auto; }
.comment-body { white-space: pre-wrap; font-size: 14px; }

/* -------------------------- Markdown editor tabs -------------------------- */
.md-tab {
  background: none; border: none; color: var(--fg-muted); cursor: pointer;
  padding: 4px 12px; border-radius: var(--radius); font-size: 13px; font-weight: 600;
}
.md-tab:hover { background: var(--btn-hover-bg); }
.md-tab.active { background: var(--canvas-default); color: var(--fg-default); }
#readme-preview { min-height: 120px; }

/* -------------------------- Loading & empty state -------------------------- */
.post-skeleton {
  height: 92px; border-radius: 12px; margin-bottom: 12px;
  border: 1px solid var(--border-default);
  background: linear-gradient(100deg, var(--post-bg) 30%, var(--post-bg-hover) 50%, var(--post-bg) 70%);
  background-size: 200% 100%; animation: shimmer 1.3s ease-in-out infinite;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.empty-state { text-align: center; padding: 64px 24px; color: var(--fg-muted); border: 1px dashed var(--border-default); border-radius: 12px; background: var(--canvas-subtle); }
.empty-emoji { font-size: 40px; margin-bottom: 12px; }

/* -------------------------- Admin -------------------------- */
.row-removed { opacity: 0.55; }

/* -------------------------- Misc -------------------------- */
@media (max-width: 860px) {
  .feed-layout { grid-template-columns: 1fr; }
  .feed-sidebar { order: -1; }
}
@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .site-nav { display: none; }
  .invoice { padding: 24px; }
  .user-chip-name { display: none; }
}