/* ============================================================
   GameRender Hada — 게임 렌더링 기술 트렌드 게시판
   Dark theme, Reddit/Lobsters style list with thumbnails
   ============================================================ */

:root {
  --bg:        #0e0f12;
  --bg-2:      #14161a;
  --bg-3:      #1a1c21;
  --bg-4:      #22252b;
  --line:      #2a2d34;
  --line-2:    #1f2228;
  --fg:        #e8e9ec;
  --fg-2:      #b6bac3;
  --fg-3:      #7c8290;
  --fg-4:      #545a66;

  --primary:   #4f7cff;
  --primary-2: #2c5cff;
  --accent:    #76e3a6;
  --warn:      #f59e0b;
  --crit:      #ef4444;
  --upvote:    #f97316;
  --visited:   #6b7280;

  --sans: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
}

* { box-sizing: border-box; }

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

button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
code, .mono { font-family: var(--mono); font-feature-settings: "tnum" 1; }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------------- top bar ---------------- */
.topbar {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 22px;
  position: sticky; top: 0; z-index: 50;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 14.5px;
}
.brand .mark {
  width: 26px; height: 26px;
  background: var(--primary-2);
  color: white;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  letter-spacing: -0.04em;
}
.brand .name { color: var(--fg); }
.brand .tld  { color: var(--fg-3); font-weight: 500; }

.topnav {
  display: flex; gap: 4px;
}
.topnav a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-3);
  padding: 6px 10px;
  border-radius: 3px;
  letter-spacing: 0.02em;
}
.topnav a:hover { color: var(--fg); background: var(--bg-3); }
.topnav a.active { color: var(--fg); background: var(--bg-3); }

.search {
  flex: 1;
  max-width: 380px;
  position: relative;
}
.search input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 13px;
  padding: 7px 12px 7px 32px;
  border-radius: 4px;
  outline: none;
}
.search input:focus { border-color: var(--primary); }
.search input::placeholder { color: var(--fg-4); }
.search .icon {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--fg-4);
  pointer-events: none;
}

.topbar .spacer { flex: 1; }

.topbar-actions { display: flex; gap: 8px; align-items: center; }
.btn-rss {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent;
  color: var(--fg-2);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--mono);
}
.btn-rss:hover { border-color: var(--upvote); color: var(--upvote); }
.btn-submit {
  background: var(--primary-2);
  color: white;
  border: 1px solid var(--primary-2);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
}
.btn-submit:hover { background: var(--primary); }

/* ---------------- region tabs ---------------- */
.region-bar {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding: 0 22px;
  display: flex;
  align-items: center;
  height: 44px;
  gap: 0;
  position: sticky; top: 52px; z-index: 40;
}
.region-tabs { display: flex; gap: 0; height: 100%; }
.region-tabs button {
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  color: var(--fg-3);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 0 16px;
  height: 100%;
  display: flex; align-items: center; gap: 7px;
  position: relative;
}
.region-tabs button:first-child { border-left: 1px solid var(--line); }
.region-tabs button:hover { color: var(--fg); background: var(--bg-3); }
.region-tabs button.active {
  color: var(--fg);
  background: var(--bg-3);
}
.region-tabs button.active::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--primary);
}
.region-tabs .flag { font-size: 14px; line-height: 1; }
.region-tabs .count {
  font-size: 10px;
  color: var(--fg-4);
  font-variant-numeric: tabular-nums;
}

.region-bar .spacer { flex: 1; }

.sort-group { display: flex; gap: 0; height: 100%; }
.sort-group button {
  background: transparent;
  border: none;
  border-left: 1px solid var(--line);
  color: var(--fg-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0 12px;
  height: 100%;
}
.sort-group button:last-child { border-right: 1px solid var(--line); }
.sort-group button:hover { color: var(--fg); }
.sort-group button.active { color: var(--primary); }

/* ---------------- main layout ---------------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 0;
  max-width: 1280px;
  margin: 0 auto;
  align-items: start;
}

.feed {
  border-right: 1px solid var(--line);
  min-height: calc(100vh - 96px);
}

/* ---------------- chip bar (tag filters) ---------------- */
.chip-bar {
  display: flex; gap: 6px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  align-items: center;
}
.chip-bar .label {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-4);
  margin-right: 4px;
}
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--fg-2);
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
}
.chip:hover { border-color: var(--fg-3); color: var(--fg); }
.chip.active {
  background: var(--bg-4);
  border-color: var(--primary);
  color: var(--primary);
}
.chip .x { color: var(--fg-4); margin-left: 2px; }
.chip .swatch {
  width: 6px; height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* ---------------- post row ---------------- */
.post {
  display: grid;
  grid-template-columns: 38px 88px 1fr;
  gap: 14px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line-2);
  align-items: start;
  transition: background 0.1s;
}
.post:hover { background: var(--bg-2); }
.post.read .post-title a { color: var(--fg-3); }

/* upvote column */
.upvote-col {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 2px;
  user-select: none;
}
.upvote-col .arrow {
  width: 0; height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 11px solid var(--fg-4);
  cursor: pointer;
  transition: border-bottom-color 0.12s;
}
.upvote-col .arrow:hover { border-bottom-color: var(--upvote); }
.upvote-col.voted .arrow { border-bottom-color: var(--upvote); }
.upvote-col .points {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--fg-2);
  font-variant-numeric: tabular-nums;
}
.upvote-col.voted .points { color: var(--upvote); }

/* thumbnail */
.post-thumb {
  width: 88px; height: 64px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  display: grid;
  place-items: center;
}
.post-thumb svg { width: 100%; height: 100%; display: block; }
.post-thumb .lang-pill {
  position: absolute;
  top: 4px; right: 4px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  background: rgba(14, 15, 18, 0.85);
  color: var(--fg);
  padding: 1px 4px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

/* post content */
.post-body { min-width: 0; }
.post-title {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.post-title a { color: var(--fg); }
.post-title a:hover { color: var(--primary); }
.post-title .domain {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  font-weight: 400;
  margin-left: 6px;
}
.post-orig {
  font-size: 12.5px;
  color: var(--fg-3);
  margin: 0 0 6px;
  font-family: var(--sans);
  font-style: italic;
}
.post-summary {
  font-size: 12.5px;
  color: var(--fg-2);
  line-height: 1.55;
  margin: 6px 0 10px;
  max-width: 720px;
  display: none;
}
.post.expanded .post-summary { display: block; }

.post-tags {
  display: inline-flex; gap: 5px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.tag {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 2px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--fg-2);
  display: inline-flex; align-items: center; gap: 4px;
}
.tag .swatch {
  width: 5px; height: 5px; border-radius: 50%;
  display: inline-block;
}
.tag.clickable { cursor: pointer; }
.tag.clickable:hover { border-color: var(--fg-3); }

.post-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  align-items: center;
}
.post-meta a { color: var(--fg-3); }
.post-meta a:hover { color: var(--fg); text-decoration: underline; }
.post-meta .dot { color: var(--fg-4); }
.post-meta .source-flag { margin-right: 3px; }
.post-meta .summary-toggle {
  background: transparent; border: none;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 11px;
  padding: 0;
  cursor: pointer;
}
.post-meta .summary-toggle:hover { text-decoration: underline; }
.post-meta .save-btn {
  background: transparent; border: none;
  color: var(--fg-3);
  padding: 0;
  cursor: pointer;
  font-size: 12px;
}
.post-meta .save-btn:hover { color: var(--warn); }
.post-meta .save-btn.saved { color: var(--warn); }

/* ---------------- sidebar ---------------- */
.sidebar {
  padding: 18px 22px 60px;
  display: flex; flex-direction: column;
  gap: 22px;
  position: sticky; top: 96px;
}

.side-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.side-card .head {
  padding: 10px 14px 9px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; justify-content: space-between;
}
.side-card .head .title {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  font-weight: 600;
}
.side-card .head .meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-4);
}
.side-card .body { padding: 10px 14px 14px; }

/* trending tags */
.trending-list {
  list-style: none; margin: 0; padding: 0;
}
.trending-list li {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 10px;
  padding: 5px 0;
  align-items: center;
  font-size: 12.5px;
  cursor: pointer;
  border-bottom: 1px dashed transparent;
}
.trending-list li:hover { color: var(--primary); }
.trending-list li .rank {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-4);
  text-align: right;
}
.trending-list li .name {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono);
}
.trending-list li .count {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-4);
  font-variant-numeric: tabular-nums;
}

/* upcoming confs */
.conf-list {
  list-style: none; margin: 0; padding: 0;
}
.conf-list li {
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dotted var(--line);
}
.conf-list li:last-child { border-bottom: none; }
.conf-list .pip { background: var(--fg-4); width: 4px; align-self: stretch; }
.conf-list .name {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 1px;
}
.conf-list .meta {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-3);
}
.conf-list .meta .dot { color: var(--fg-4); margin: 0 4px; }
.conf-list li.soon .name { color: var(--accent); }

/* curators */
.curator-list { list-style: none; margin: 0; padding: 0; }
.curator-list li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--line);
  align-items: center;
}
.curator-list li:last-child { border-bottom: none; }
.curator-list .avatar {
  width: 28px; height: 28px;
  background: var(--bg-4);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--fg);
  display: grid; place-items: center;
}
.curator-list .info { min-width: 0; }
.curator-list .info .name { font-size: 12.5px; font-weight: 600; }
.curator-list .info .role {
  font-family: var(--mono); font-size: 10.5px; color: var(--fg-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.curator-list .pts {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--upvote);
  font-variant-numeric: tabular-nums;
}

/* newsletter */
.newsletter {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.newsletter::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(79, 124, 255, 0.18), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(118, 227, 166, 0.12), transparent 50%);
  pointer-events: none;
}
.newsletter > * { position: relative; }
.newsletter .h {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 6px;
}
.newsletter .title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.newsletter .desc {
  font-size: 12px;
  color: var(--fg-2);
  line-height: 1.5;
  margin-bottom: 10px;
}
.newsletter form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
}
.newsletter input {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 6px 9px;
  border-radius: 3px;
  font-size: 12px;
  font-family: var(--mono);
  outline: none;
}
.newsletter input:focus { border-color: var(--primary); }
.newsletter button {
  background: var(--primary-2);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.newsletter button:hover { background: var(--primary); }
.newsletter .stats {
  display: flex; gap: 12px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-3);
}
.newsletter .stats span strong { color: var(--fg); }

/* ---------------- detail page ---------------- */
.detail-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 22px 80px;
}
.detail-back {
  background: transparent; border: none;
  color: var(--fg-3);
  font-family: var(--mono);
  font-size: 12px;
  padding: 0;
  margin-bottom: 18px;
  cursor: pointer;
}
.detail-back:hover { color: var(--fg); }
.detail-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
}
.detail-head .upvote-col { padding-top: 8px; }
.detail-head .upvote-col .arrow {
  border-left-width: 12px; border-right-width: 12px; border-bottom-width: 14px;
}
.detail-head .upvote-col .points { font-size: 14px; }

.detail-head h1 {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
  font-weight: 600;
  color: var(--fg);
}
.detail-head .orig-title {
  font-family: var(--sans);
  font-style: italic;
  font-size: 15px;
  color: var(--fg-3);
  margin-bottom: 12px;
}
.detail-head .meta {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-3);
  align-items: center;
  margin-bottom: 12px;
}
.detail-head .meta .dot { color: var(--fg-4); }
.detail-head .meta a { color: var(--fg-2); }
.detail-head .meta a:hover { color: var(--primary); }
.detail-head .meta .original-link {
  color: var(--primary);
  border-bottom: 1px solid var(--primary);
}

.summary-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  padding: 14px 18px;
  margin-bottom: 22px;
  border-radius: 0 3px 3px 0;
}
.summary-box .label {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.summary-box .label .ai-tag {
  background: var(--primary-2);
  color: white;
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 9px;
  letter-spacing: 0.04em;
}
.summary-box .body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg);
}

.detail-body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fg);
  max-width: 720px;
}
.detail-body h2 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 10px;
  letter-spacing: -0.01em;
}
.detail-body h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin: 22px 0 8px;
  color: var(--fg);
}
.detail-body p { margin: 0 0 14px; color: var(--fg-2); }
.detail-body code {
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 12.5px;
  color: var(--accent);
}
.detail-body pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 14px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  border-radius: 3px;
  color: var(--fg-2);
}
.detail-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin: 14px 0;
}
.detail-body th, .detail-body td {
  border: 1px solid var(--line);
  padding: 7px 10px;
  text-align: left;
}
.detail-body th {
  background: var(--bg-2);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-3);
  font-weight: 600;
}
.detail-body td { color: var(--fg-2); font-family: var(--mono); }
.detail-body td:first-child { color: var(--fg); font-family: var(--sans); }
.detail-body ul { padding-left: 22px; margin: 0 0 14px; color: var(--fg-2); }
.detail-body ul li { margin-bottom: 4px; }
.detail-body blockquote {
  border-left: 3px solid var(--line);
  margin: 14px 0;
  padding: 4px 14px;
  color: var(--fg-3);
  font-style: italic;
}

/* comments */
.comments-section {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.comments-h {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 16px;
}
.comments-h h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  font-weight: 600;
}
.comments-h .count { color: var(--fg); }

.comment {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-2);
}
.comment:last-child { border-bottom: none; }
.comment .upvote-col { padding-top: 4px; }
.comment .upvote-col .arrow {
  border-left-width: 7px; border-right-width: 7px; border-bottom-width: 9px;
}
.comment .upvote-col .points { font-size: 11px; }
.comment .meta-row {
  display: flex; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  margin-bottom: 4px;
  align-items: center;
}
.comment .meta-row .by {
  color: var(--fg);
  font-weight: 600;
}
.comment .meta-row .dot { color: var(--fg-4); }
.comment .body {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--fg-2);
}
.comment .replies {
  margin-top: 10px;
  margin-left: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}
.comment .reply {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 8px;
  padding-top: 10px;
}
.comment .reply .upvote-col { padding-top: 3px; }
.comment .reply .upvote-col .arrow {
  border-left-width: 6px; border-right-width: 6px; border-bottom-width: 8px;
}
.comment .reply .upvote-col .points { font-size: 10.5px; }

.comment-compose {
  margin-top: 18px;
  padding: 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.comment-compose textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 13px;
  border-radius: 3px;
  resize: vertical;
  min-height: 80px;
  outline: none;
}
.comment-compose textarea:focus { border-color: var(--primary); }
.comment-compose .row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 8px;
}
.comment-compose .hint {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-4);
}
.comment-compose button {
  background: var(--primary-2);
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
}
.comment-compose button:hover { background: var(--primary); }

/* footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 22px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  display: flex; justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}
.footer a { color: var(--fg-2); }
.footer a:hover { color: var(--primary); }
.footer .right { display: flex; gap: 14px; }

/* responsive */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .feed { border-right: none; }
  .sidebar { border-top: 1px solid var(--line); position: static; padding: 18px 22px 60px; }
}