/* ============================================================
   GEO BBS · DEV.to Style — Three-column Layout
   ============================================================ */
:root {
  --bg: #f5f5f5;
  --bg-white: #fff;
  --bg-hover: #f0f0f0;
  --bg-input: #eef0f3;
  --bg-nav: #fff;
  --text: #171717;
  --text-secondary: #404040;
  --text-muted: #717171;
  --text-link: #3b49df;
  --border: #e5e5e5;
  --accent: #3b49df;
  --accent-soft: rgba(59,73,223,.07);
  --accent-hover: #2f3ab2;
  --green: #00b42a;
  --red: #dc2626;
  --orange: #f59e0b;
  --purple: #7c3aed;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.04);
  --shadow-hover: 0 2px 8px rgba(0,0,0,.08);
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  background:var(--bg);
  color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-thumb{background:#d4d4d4;border-radius:3px}
::selection{background:rgba(59,73,223,.15)}

/* ---- Topbar ---- */
.topbar{
  position:sticky;top:0;z-index:100;
  height:56px;padding:0 16px;
  display:flex;align-items:center;gap:12px;
  background:var(--bg-white);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 1px rgba(0,0,0,.02);
}
.topbar__left{display:flex;align-items:center;flex-shrink:0}
.topbar__logo{display:flex;align-items:center}
.topbar__logo:hover{text-decoration:none}
.topbar__logo-badge{
  display:inline-block;
  padding:6px 10px;border-radius:8px;
  background:#171717;color:#fff;
  font-weight:800;font-size:15px;letter-spacing:0;
}
.topbar__nav{display:flex;gap:4px}
.topbar__link{
  padding:6px 14px;font-size:14px;font-weight:500;
  color:var(--text-secondary);border-radius:var(--radius);transition:all .12s;
}
.topbar__link:hover{color:var(--text);background:var(--bg-hover)}
.topbar__link.active{color:var(--accent);background:var(--accent-soft);font-weight:600}
.topbar__center{flex:1;display:flex;justify-content:center;min-width:0}
.topbar__search-form{
  position:relative;width:100%;max-width:460px;
}
.topbar__search-icon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--text-muted);pointer-events:none;
}
.topbar__search{
  width:100%;padding:9px 14px 9px 38px;border-radius:var(--radius);
  background:var(--bg);border:1px solid var(--border);
  color:var(--text);font-size:14px;outline:none;transition:all .2s;
}
.topbar__search::placeholder{color:var(--text-muted)}
.topbar__search:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:#fff}
.topbar__right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.topbar__icon-btn{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  color:var(--text-secondary);transition:all .12s;
}
.topbar__icon-btn:hover{background:var(--bg-hover);color:var(--accent)}
.topbar__user-avatar{
  width:34px;height:34px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.topbar__user-menu{position:relative}
.topbar__dropdown{
  display:none;position:absolute;right:0;top:calc(100% + 8px);
  min-width:180px;background:var(--bg-white);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:0 4px 16px rgba(0,0,0,.1);
  padding:4px 0;z-index:200;
}
.topbar__user-menu.open .topbar__dropdown{display:block}
.topbar__dropdown a{
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;font-size:13px;color:var(--text);
  transition:background .15s;
}
.topbar__dropdown a:hover{background:var(--bg-hover)}

/* ---- 搜搜果三产品入口（信息流顶轮播） ---- */
.ssg-carousel{
  position:relative;margin:0 0 14px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--bg-white);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.ssg-carousel__viewport{position:relative;width:100%;height:260px}
.ssg-carousel__track{position:relative;width:100%;height:100%}
.ssg-carousel__slide{
  position:absolute;inset:0;
  display:block;opacity:0;pointer-events:none;
  background:#0f172a;
  text-decoration:none;color:#fff;
  transition:opacity .45s ease;
}
.ssg-carousel__slide.is-active{opacity:1;pointer-events:auto;z-index:1}
.ssg-carousel__img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;display:block;
}
.ssg-carousel__shade{
  position:absolute;inset:0;
  background:linear-gradient(105deg, rgba(15,23,42,.82) 0%, rgba(15,23,42,.48) 46%, rgba(15,23,42,.12) 100%);
}
.ssg-carousel__content{
  position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;
  height:100%;justify-content:flex-end;
  padding:22px 56px 28px 22px;max-width:520px;
}
.ssg-carousel__badge{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.02em;
  color:#fff;background:rgba(59,73,223,.9);
}
.ssg-carousel__title{
  font-size:24px;font-weight:800;line-height:1.25;
  text-shadow:0 1px 8px rgba(0,0,0,.35);
}
.ssg-carousel__desc{
  font-size:13px;line-height:1.45;color:rgba(255,255,255,.88);
  text-shadow:0 1px 6px rgba(0,0,0,.3);
}
.ssg-carousel__cta{
  display:inline-flex;align-items:center;margin-top:4px;
  padding:7px 14px;border-radius:8px;
  font-size:13px;font-weight:700;color:#fff;
  background:var(--accent);
  box-shadow:0 4px 14px rgba(59,73,223,.35);
  transition:transform .15s,background .15s;
}
.ssg-carousel__slide:hover .ssg-carousel__cta{
  background:var(--accent-hover,#2f3cc9);transform:translateY(-1px);
}
.ssg-carousel__nav{
  position:absolute;top:50%;transform:translateY(-50%);
  z-index:3;width:36px;height:36px;border:0;border-radius:50%;
  background:rgba(255,255,255,.92);color:#0f172a;
  font-size:22px;line-height:1;cursor:pointer;
  box-shadow:0 2px 10px rgba(15,23,42,.18);
  opacity:.0;transition:opacity .2s,background .15s;
}
.ssg-carousel:hover .ssg-carousel__nav{opacity:1}
.ssg-carousel__nav:hover{background:#fff}
.ssg-carousel__nav--prev{left:10px}
.ssg-carousel__nav--next{right:10px}
.ssg-carousel__dots{
  position:absolute;left:0;right:0;bottom:12px;z-index:3;
  display:flex;justify-content:center;gap:7px;
}
.ssg-carousel__dot{
  width:7px;height:7px;border-radius:999px;border:0;padding:0;
  background:rgba(255,255,255,.45);cursor:pointer;
  transition:width .2s,background .2s;
}
.ssg-carousel__dot.is-active{width:18px;background:#fff}
@media(max-width:1100px){
  .ssg-carousel__viewport{height:200px}
  .ssg-carousel__title{font-size:20px}
  .ssg-carousel__content{padding:18px 48px 24px 16px}
  .ssg-carousel__nav{opacity:.85}
}
@media(max-width:768px){
  .ssg-carousel__viewport{height:168px}
  .ssg-carousel__title{font-size:17px}
  .ssg-carousel__desc{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .ssg-carousel__content{padding:14px 42px 22px 14px;max-width:100%}
  .ssg-carousel__cta{padding:6px 12px;font-size:12px}
}

/* ---- DEV.to Three-column page layout ---- */
.dev-page{
  max-width:1280px;margin:0 auto;
  display:grid;
  grid-template-columns:240px 1fr 320px;
  gap:16px;
  padding:16px;
  align-items:start;
}
@media(max-width:1100px){
  .dev-page{grid-template-columns:1fr 300px;padding:12px}
  .dev-left{display:none}
}
@media(max-width:768px){
  .dev-page{grid-template-columns:1fr;padding:8px}
  .dev-right{display:none}
}

/* ---- Left sidebar ---- */
.dev-left{align-self:start}
.dev-left__community{
  background:var(--bg-white);border-radius:var(--radius);
  border:1px solid var(--border);
  overflow:hidden;margin-bottom:16px;
}
.dev-left__community::before{
  content:'';display:block;height:32px;
  background:linear-gradient(90deg,#2dd4bf,#818cf8,#f472b6,#fb923c,#3b49df,#2dd4bf);
  background-size:300% 100%;
  animation:communityGradient 4s linear infinite;
}
@keyframes communityGradient{0%{background-position:0 0}100%{background-position:300% 0}}
.dev-left__heading{
  font-size:16px;font-weight:500;color:var(--text-secondary);line-height:1.5;
  padding:12px 16px 0;
}
.dev-left__heading b{font-weight:800;color:var(--text)}
.dev-left__heading a{font-weight:800;font-size:18px}
.dev-left__desc{
  font-size:14px;color:var(--text-secondary);line-height:1.5;
  padding:6px 16px 14px;
}
.diag-ad{
  display:block;
  margin:0 12px 12px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#0b1210;
  box-shadow:0 8px 24px rgba(15,23,42,.12);
  text-decoration:none !important;
  transition:transform .15s ease, box-shadow .15s ease;
}
.diag-ad:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(15,23,42,.18);
}
.diag-ad img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:3/4;
  object-fit:cover;
  background:#0b1210;
}
.diag-ad__cta{
  display:block;
  text-align:center;
  padding:10px 12px 12px;
  font-size:14px;
  font-weight:800;
  color:#0b1210;
  background:#e2ff43;
  letter-spacing:.02em;
}
.dev-left__btn-primary{
  display:block;text-align:center;
  margin:0 16px 6px;padding:10px 0;
  background:var(--accent);color:#fff;
  border-radius:var(--radius);font-weight:700;font-size:15px;
  transition:all .12s;
}
.dev-left__btn-primary:hover{background:var(--accent-hover);text-decoration:none;color:#fff}
.dev-left__login{
  display:block;text-align:center;
  padding:6px 0 14px;font-size:15px;
  color:var(--text-secondary);font-weight:500;
}
.dev-left__login:hover{color:var(--accent)}

.dev-left__nav{display:flex;flex-direction:column;gap:1px;margin-bottom:16px}
.dev-left__link{
  display:flex;align-items:center;gap:10px;
  padding:9px 14px;border-radius:var(--radius);
  font-size:15px;font-weight:500;color:var(--text-secondary);
  transition:all .1s;
}
.dev-left__link:hover{background:rgba(59,73,223,.04);color:var(--accent)}
.dev-left__link.active{background:var(--bg-white);font-weight:700;color:var(--text);border:1px solid var(--border)}
.dev-left__link svg{flex-shrink:0;opacity:.55}
.dev-left__link:hover svg{opacity:.9}
.dev-left__link.active svg{opacity:1}
.dev-left__emoji{
  width:20px;text-align:center;font-size:18px;flex-shrink:0;
  line-height:1;
}

.dev-left__tags-title{
  font-size:14px;font-weight:700;padding:0 14px;margin-bottom:6px;color:var(--text);
}
.dev-left__tags{padding-bottom:8px}
.dev-left__tag{
  display:block;padding:5px 14px;border-radius:var(--radius);
  font-size:15px;color:var(--text-secondary);
  transition:all .1s;
}
.dev-left__tag:hover{background:rgba(59,73,223,.04);color:var(--accent)}
.dev-left__tag.active{background:rgba(59,73,223,.06);color:var(--accent);font-weight:600}

/* ---- Center feed area ---- */
.dev-center__tabs{
  display:flex;gap:2px;padding:0 0 8px;
}
.dev-center__tab{
  padding:8px 16px;border-radius:var(--radius);
  font-size:15px;font-weight:600;color:var(--text-secondary);
  transition:all .12s;
}
.dev-center__tab:hover{color:var(--text);background:var(--bg-white)}
.dev-center__tab.active{color:var(--text);font-weight:800}

.feed-list{display:flex;flex-direction:column;gap:8px}

/* ---- DEV.to Card ---- */
.dev-card{
  background:var(--bg-white);border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  transition:box-shadow .15s;
}
.dev-card:hover{box-shadow:var(--shadow-hover)}

.dev-card--top{border-top:0}
.dev-card--top .dev-card__cover{display:block;width:100%;overflow:hidden}
.dev-card--top .dev-card__cover img{
  width:100%;height:280px;object-fit:cover;
  display:block;transition:transform .3s;
}
.dev-card--top .dev-card__cover:hover img{transform:scale(1.02)}
.dev-card--top .dev-card__title{font-size:28px;line-height:1.3}

.dev-card__header{display:flex;align-items:center;gap:10px;padding:16px 20px 0}
.dev-card__avatar{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;flex-shrink:0;
}
.dev-card__name{font-size:14px;font-weight:600;color:var(--text-secondary);display:block}
.dev-card__name:hover{color:var(--accent);text-decoration:none}
.dev-card__date{font-size:12px;color:var(--text-muted)}

.dev-card__body{display:block;padding:4px 20px 0 62px;color:inherit}
.dev-card--top .dev-card__body{padding-left:20px}
.dev-card__body:hover{text-decoration:none}
.dev-card__title{
  font-size:22px;font-weight:800;line-height:1.35;
  color:var(--text);margin-bottom:4px;
  transition:color .12s;
}
.dev-card__body:hover .dev-card__title{color:var(--accent)}
.dev-card__tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:2px}
.dev-card__tag{
  font-size:14px;color:var(--text-muted);
  padding:2px 6px;border-radius:var(--radius-sm);
  transition:all .1s;
}
.dev-card__tag:hover{background:var(--bg-hover)}

.dev-card__footer{
  display:flex;align-items:center;gap:2px;
  padding:6px 20px 12px 62px;
}
.dev-card--top .dev-card__footer{padding-left:20px}
.dev-card__react{
  display:inline-flex;align-items:center;gap:5px;
  padding:7px 12px;border-radius:var(--radius);
  font-size:14px;color:var(--text-muted);
  transition:all .12s;
}
.dev-card__react:hover{background:var(--bg-hover);color:var(--text);text-decoration:none}
.dev-card__react-svg{flex-shrink:0;opacity:.6}
.dev-card__react:hover .dev-card__react-svg{opacity:1}
.dev-card__react-emojis{font-size:16px;letter-spacing:-2px;margin-right:2px}
.dev-card__read{margin-left:auto;font-size:13px;color:var(--text-muted)}
.dev-card__save{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--radius);
  color:var(--text-muted);transition:all .12s;margin-left:4px;
}
.dev-card__save:hover{background:var(--accent-soft);color:var(--accent)}

/* ---- Right sidebar ---- */
.dev-right{align-self:start}
.dev-right__card{
  background:var(--bg-white);border-radius:var(--radius);
  border:1px solid var(--border);
  overflow:hidden;margin-bottom:12px;
}
.dev-right__heading{
  font-size:16px;font-weight:800;color:var(--text);
  padding:16px 16px 0;
}
.dev-right__sub{
  font-size:13px;color:var(--text-muted);
  padding:2px 16px 8px;
  border-bottom:1px solid var(--border);
}
.dev-right__item{
  display:block;padding:10px 16px;
  border-bottom:1px solid var(--border);
  font-size:15px;line-height:1.45;color:var(--text-secondary);
  transition:all .1s;
}
.dev-right__item:last-child{border-bottom:none}
.dev-right__item:hover{background:var(--bg-hover);color:var(--accent)}
.dev-right__comment-cnt{
  display:block;font-size:12px;color:var(--text-muted);margin-top:3px;
}

.dev-right__author{
  display:flex;align-items:center;gap:8px;padding:8px 16px;
  border-bottom:1px solid var(--border);font-size:14px;
}
.dev-right__author:last-child{border-bottom:none}
.dev-right__author:hover{text-decoration:none;background:var(--bg-hover)}
.dev-right__author-av{
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#fff;flex-shrink:0;
}
.dev-right__author-name{flex:1;font-weight:500;color:var(--text-secondary)}
.dev-right__author:hover .dev-right__author-name{color:var(--accent)}
.dev-right__author-cnt{font-size:12px;color:var(--text-muted)}

.dev-right__stats{
  display:flex;justify-content:center;gap:24px;text-align:center;
  padding:16px;
}
.dev-right__stat-num{display:block;font-size:22px;font-weight:800;color:var(--text)}
.dev-right__stat-label{font-size:12px;color:var(--text-muted)}

/* ---- Legacy tab bar (hidden in DEV layout) ---- */
.tab-bar{display:none}

/* ---- Button ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:var(--radius);
  font-size:14px;font-weight:600;
  border:none;background:var(--bg-hover);
  color:var(--text);cursor:pointer;transition:all .12s;font-family:inherit;
}
.btn:hover{background:#ddd}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-hover)}
.btn.ghost{background:transparent;color:var(--text-secondary)}
.btn.ghost:hover{background:var(--bg-hover);color:var(--text)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.sm{padding:5px 12px;font-size:13px}
.btn.danger{background:var(--red);color:#fff}

/* ---- Input ---- */
.input,.textarea,.select{
  width:100%;background:var(--bg-white);
  border:1px solid var(--border);border-radius:var(--radius);
  color:var(--text);font-size:14px;padding:10px 14px;
  outline:none;transition:all .15s;font-family:inherit;
}
.input::placeholder,.textarea::placeholder{color:var(--text-muted)}
.input:focus,.textarea:focus,.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.textarea{min-height:88px;resize:vertical;line-height:1.6}

/* ---- Auth card ---- */
.auth-card{max-width:420px;margin:60px auto;padding:36px;border-radius:var(--radius);background:var(--bg-white);border:1px solid var(--border)}
.auth-card h1{font-size:24px;font-weight:800;margin-bottom:4px}
.auth-card .desc{font-size:14px;color:var(--text-secondary);margin-bottom:24px}
.auth-card .field{margin-bottom:16px}
.auth-card label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.auth-card .msg{font-size:13px;padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:12px}
.auth-card .msg.err{background:rgba(220,38,38,.06);color:var(--red)}
.auth-card .msg.ok{background:rgba(15,191,96,.06);color:var(--green)}
.auth-card .foot{margin-top:16px;font-size:13px;color:var(--text-muted);text-align:center}
.auth-card .foot a{color:var(--accent)}

/* ---- DEV.to Post detail page ---- */
.devpost-page{
  max-width:1280px;margin:0 auto;
  display:grid;
  grid-template-columns:64px 1fr 320px;
  gap:0 16px;
  padding:16px;
  align-items:start;
}
@media(max-width:1100px){
  .devpost-page{grid-template-columns:64px 1fr}
  .devpost-sidebar{display:none}
}
@media(max-width:768px){
  .devpost-page{grid-template-columns:1fr;padding:8px}
  .devpost-reactions{display:none}
}

.devpost-reactions{position:sticky;top:72px;padding-top:80px;z-index:10}
.devpost-reactions__inner{
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.devpost-react-btn{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  width:48px;padding:10px 0;border-radius:var(--radius);
  border:none;background:transparent;cursor:pointer;
  color:var(--text-muted);transition:all .15s;font-family:var(--font);
  position:relative;
}
.devpost-react-btn:hover{background:rgba(59,73,223,.06);color:var(--accent);transform:scale(1.08)}
.devpost-react-btn:active{transform:scale(0.95)}
.devpost-react-btn__emoji{font-size:22px;line-height:1}
.devpost-react-btn__count{font-size:12px;font-weight:600}
.devpost-react-btn svg{opacity:.5}
.devpost-react-btn:hover svg{opacity:1}

.devpost-main{min-width:0}
.devpost-article{
  background:var(--bg-white);border-radius:var(--radius);
  border:1px solid var(--border);overflow:hidden;
}
.devpost-cover img{
  width:100%;height:300px;object-fit:cover;display:block;
}
.devpost-article__inner{padding:28px 48px 36px}
@media(max-width:768px){.devpost-article__inner{padding:20px 16px}}

.devpost-author-row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.devpost-author-row__avatar{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;flex-shrink:0;
}
.devpost-author-row__name{font-size:15px;font-weight:700;color:var(--text);display:block}
.devpost-author-row__name:hover{color:var(--accent)}
.devpost-author-row__date{font-size:12px;color:var(--text-muted)}

.devpost-emoji-bar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.devpost-emoji-bar__item{
  font-size:15px;color:var(--text-secondary);
  display:inline-flex;align-items:center;gap:4px;
}
.devpost-emoji-bar__item b{font-weight:700;font-size:14px}

.devpost-article__title{
  font-size:40px;font-weight:800;line-height:1.25;
  color:var(--text);margin-bottom:10px;
}
@media(max-width:768px){.devpost-article__title{font-size:28px}}
.devpost-article__tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.devpost-article__content{
  font-size:17px;line-height:1.9;
  word-wrap:break-word;
  color:var(--text);
}
.bbs-code-block{
  margin:18px 0;border:1px solid var(--border);border-radius:10px;
  overflow:hidden;background:#0f172a;box-shadow:0 1px 2px rgba(0,0,0,.06);
}
.bbs-code-block__head{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;background:#111827;border-bottom:1px solid rgba(255,255,255,.08);
  color:#cbd5e1;font-size:12px;font-weight:700;
}
.bbs-code-copy{
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#e5e7eb;border-radius:6px;padding:4px 10px;font-size:12px;cursor:pointer;
}
.bbs-code-copy:hover{background:rgba(255,255,255,.16)}
.bbs-code-block pre{
  margin:0;padding:16px;overflow:auto;white-space:pre;
  color:#e5e7eb;font-size:14px;line-height:1.7;font-family:Consolas,Monaco,'Courier New',monospace;
}
.bbs-code-block code{font-family:inherit}

.devpost-comment-form{
  background:var(--bg-white);border-radius:var(--radius);
  padding:16px;border:1px solid var(--border);margin-bottom:12px;
}

/* Author sidebar */
.devpost-sidebar{align-self:start}
.devpost-author-card{
  background:var(--bg-white);border-radius:var(--radius);
  border:1px solid var(--border);overflow:hidden;margin-bottom:12px;
}
.devpost-author-card__banner{height:32px}
.devpost-author-card__body{padding:0 16px 16px;position:relative}
.devpost-author-card__avatar{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:#fff;
  border:3px solid var(--bg-white);
  position:relative;top:-22px;margin-bottom:-14px;
}
.devpost-author-card__name{
  display:block;font-size:18px;font-weight:800;color:var(--text);
  margin-bottom:8px;
}
.devpost-author-card__name:hover{color:var(--accent)}
.devpost-author-card__follow{width:100%;margin-bottom:12px}
.devpost-author-card__bio{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:12px}
.devpost-author-card__stats{
  display:flex;gap:24px;font-size:14px;color:var(--text);
}
.devpost-author-card__stat-label{
  display:block;font-size:11px;color:var(--text-muted);text-transform:uppercase;
  font-weight:600;letter-spacing:.05em;margin-bottom:2px;
}

.devpost-more{
  background:var(--bg-white);border-radius:var(--radius);
  border:1px solid var(--border);padding:16px;
}
.devpost-more__heading{
  font-size:15px;color:var(--text);margin-bottom:10px;
}
.devpost-more__item{
  display:block;padding:8px 0;
  border-bottom:1px solid var(--border);
  font-size:14px;line-height:1.45;color:var(--text-secondary);
}
.devpost-more__item:last-child{border-bottom:none}
.devpost-more__item:hover{color:var(--accent)}

/* Legacy compat */
.post-detail{
  background:var(--bg-white);border-radius:var(--radius);
  padding:32px;border:1px solid var(--border);
  max-width:750px;margin:20px auto;
}
.post-detail__vote{display:none}
.post-detail__main{width:100%}
.post-detail__title{font-size:28px;font-weight:800;line-height:1.35;margin-bottom:12px}
.post-detail__meta{
  font-size:13px;color:var(--text-muted);margin-bottom:20px;
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
  padding-bottom:14px;border-bottom:1px solid var(--border);
}
.post-detail__meta a{color:var(--text-secondary);font-weight:500}
.post-detail__meta a:hover{color:var(--accent)}
.post-detail__content{font-size:16px;line-height:1.85;white-space:pre-wrap;word-wrap:break-word;color:var(--text)}
.post-detail__actions{display:flex;gap:12px;margin-top:20px;padding-top:14px;border-top:1px solid var(--border)}

/* ---- Comments ---- */
.comments-section{max-width:750px;margin:16px auto 0}
.comments-section__title{
  font-size:18px;font-weight:800;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.comments-section__title .count-badge{
  font-size:12px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);padding:2px 10px;border-radius:12px;
}
.comment{
  background:var(--bg-white);border-radius:var(--radius);
  padding:16px;margin-bottom:8px;border:1px solid var(--border);
}
.comment__head{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.comment__avatar{
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#fff;flex-shrink:0;
}
.comment__author{font-size:14px;font-weight:600;color:var(--text)}
.comment__time{font-size:12px;color:var(--text-muted);margin-left:auto}
.comment__body{font-size:15px;line-height:1.7;color:var(--text-secondary);padding-left:36px;white-space:pre-wrap}
.comment__foot{padding-left:36px;margin-top:8px;display:flex;gap:8px}
.comment__actions{opacity:0;transition:opacity .15s}
.comment:hover>.comment__actions{opacity:1}
@media (hover:none){.comment__actions{opacity:1}}
.tag-cloud{display:flex;flex-wrap:wrap;gap:6px;align-items:baseline;padding:4px 0}
.tag-cloud__item{display:inline-flex;align-items:baseline;padding:3px 10px;background:rgba(99,102,241,.06);color:#4f46e5;border-radius:12px;text-decoration:none;transition:all .15s;line-height:1.4}
.tag-cloud__item:hover{background:#6366f1;color:#fff;transform:translateY(-1px)}
.tag-cloud__item:hover span{color:#c7d2fe !important}
.bbs-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;text-align:center;color:var(--text-muted)}
.bbs-empty__icon{color:#cbd5e1;margin-bottom:16px;opacity:.85}
.bbs-empty__title{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.bbs-empty__desc{font-size:13px;color:var(--text-muted);max-width:320px;line-height:1.6}
.bbs-empty__action{margin-top:16px;display:inline-flex;align-items:center;padding:8px 22px;background:linear-gradient(135deg,#6366f1,#a855f7);color:#fff;border-radius:20px;font-size:13px;text-decoration:none;font-weight:600}
.ai-badge{display:inline-flex;align-items:center;font-size:11px;padding:2px 8px;background:linear-gradient(135deg,#a855f7,#6366f1);color:#fff;border-radius:10px;font-weight:600;letter-spacing:.3px}
.ai-badge--sm{font-size:10px;padding:1px 6px;border-radius:8px;margin-left:6px}
.comment__floor{margin-left:8px;font-size:12px;color:var(--text-muted);text-decoration:none;padding:1px 6px;border-radius:4px;border:1px solid transparent}
.comment__floor:hover{color:var(--primary);background:rgba(99,102,241,.06);border-color:rgba(99,102,241,.18)}
.comment__body--clamped{max-height:220px;overflow:hidden;position:relative}
.comment__body--clamped::after{content:"";position:absolute;left:0;right:0;bottom:0;height:56px;background:linear-gradient(180deg,transparent,var(--bg-white))}
.comment__body--expanded{max-height:none}
.comment__expand{margin:6px 0 0 36px;font-size:12px}
.comment--highlight{animation:cmHL 1.4s ease}
@keyframes cmHL{0%{background:rgba(250,204,21,.35)}100%{background:transparent}}
.comment-form{
  max-width:750px;margin:12px auto 0;
  background:var(--bg-white);border-radius:var(--radius);
  padding:20px;border:1px solid var(--border);
}
.comment-form h4{font-size:15px;font-weight:700;color:var(--text-secondary);margin-bottom:10px}
.msg{font-size:13px;padding:10px 14px;border-radius:var(--radius-sm)}
.msg.err{background:rgba(220,38,38,.06);color:var(--red)}
.msg.ok{background:rgba(15,191,96,.06);color:var(--green)}

/* ---- Tag ---- */
.tag{display:inline-block;padding:3px 10px;border-radius:var(--radius);font-size:13px;font-weight:500}
.tag--blue,.tag.tag--blue{background:var(--accent-soft);color:var(--accent)}
.post-card__cat{background:var(--accent-soft);color:var(--accent)}

/* ---- New post ---- */
.new-post{max-width:680px;margin:24px auto;padding:32px;border-radius:var(--radius);background:var(--bg-white);border:1px solid var(--border)}
.new-post h1{font-size:22px;font-weight:800;margin-bottom:20px}
.new-post .field{margin-bottom:16px}
.new-post label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}

/* ---- Admin ---- */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:24px}
.admin-stat{padding:18px;border-radius:var(--radius);text-align:center;background:var(--bg-white);border:1px solid var(--border)}
.admin-stat__num{font-size:26px;font-weight:800}
.admin-stat__label{font-size:12px;color:var(--text-secondary);margin-top:2px}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border)}
.admin-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.admin-table tr:hover{background:var(--bg-hover)}

/* ---- Badge ---- */
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}
.badge--admin{background:var(--accent-soft);color:var(--accent)}
.badge--ai{background:rgba(124,58,237,.06);color:var(--purple)}
.badge--active{background:rgba(15,191,96,.06);color:var(--green)}

/* ---- Empty ---- */
.empty{text-align:center;padding:48px 24px;color:var(--text-muted);font-size:14px;background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border)}

/* ---- User page ---- */
.user-header{
  display:flex;align-items:center;gap:16px;
  padding:24px;margin-bottom:16px;border-radius:var(--radius);
  background:var(--bg-white);border:1px solid var(--border);
}
.user-header__avatar{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff}
.user-header__name{font-size:22px;font-weight:800}
.user-header__bio{font-size:14px;color:var(--text-secondary);margin-top:4px}

/* ---- Pagination ---- */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:16px}
.pagination a,.pagination span{padding:7px 14px;border-radius:var(--radius);font-size:14px;font-weight:500}
.pagination a{color:var(--text-secondary);background:var(--bg-white);border:1px solid var(--border)}
.pagination a:hover{background:var(--bg-hover);color:var(--text)}
.pagination .current{background:var(--accent);color:#fff}

/* ---- Legacy compat ---- */
.glass{background:var(--bg-white);border:1px solid var(--border)}
.glass-strong{background:var(--bg-nav);border-bottom:1px solid var(--border)}
.main-container{max-width:1100px;margin:0 auto;padding:20px 16px}
.home-layout{display:grid;grid-template-columns:1fr 280px;gap:20px}
@media(max-width:860px){.home-layout{grid-template-columns:1fr}}
.sb-card{background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border);padding:16px;margin-bottom:14px}
.sb-card__title{font-size:14px;font-weight:700;margin-bottom:12px}

/* ---- Mobile bottom navigation bar ---- */
.mobile-nav{
  display:none;
  position:fixed;bottom:0;left:0;right:0;z-index:999;
  height:56px;
  background:var(--bg-white);
  border-top:1px solid var(--border);
  box-shadow:0 -1px 6px rgba(0,0,0,.06);
  padding:4px 0 env(safe-area-inset-bottom, 0);
}
.mobile-nav__inner{
  display:flex;align-items:center;justify-content:space-around;
  height:100%;max-width:500px;margin:0 auto;
}
.mobile-nav__item{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  text-decoration:none;color:var(--text-muted);
  font-size:10px;font-weight:500;
  padding:4px 8px;border-radius:var(--radius-sm);
  transition:color .15s;
  -webkit-tap-highlight-color:transparent;
}
.mobile-nav__item:hover,.mobile-nav__item.active{color:var(--accent)}
.mobile-nav__item svg{width:22px;height:22px}

/* ---- Responsive: Tablet (≤768px) ---- */
@media(max-width:768px){
  .mobile-nav{display:flex}
  body{padding-bottom:60px}

  .topbar__center{flex:1;margin:0 8px}
  .topbar__search{width:100%}
  .topbar__search:focus{width:100%}
  .topbar__search-form{width:100%}
  .topbar__nav{display:none}

  .btn.sm{padding:5px 10px;font-size:12px}
  .devpost-emoji-bar{flex-wrap:wrap}
  .devpost-cover img{height:180px}
  .comments-section{padding:0 4px;margin:12px auto 0}

  /* Feed cards */
  .dev-card__body{padding:4px 14px 0 14px}
  .dev-card__header{padding:12px 14px 0}
  .dev-card__footer{padding:6px 14px 10px 14px}
  .dev-card--top .dev-card__body{padding-left:14px}
  .dev-card--top .dev-card__footer{padding-left:14px}

  /* Post detail */
  .devpost-page{padding:8px}
  .devpost-article__inner{padding:20px 16px}

  /* User profile */
  .profile-page{padding:8px!important}
  .profile-card{flex-direction:column;text-align:center;padding:20px 16px!important}
  .profile-card .profile-avatar{margin:0 auto}
  .profile-card .profile-stats{justify-content:center}
  .profile-card .profile-actions{justify-content:center}
  .profile-tabs{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}

  /* Settings page */
  .settings-page{max-width:100%!important;margin:12px 8px!important;padding:20px 16px!important}

  /* Auth card */
  .auth-card{margin:24px 12px;padding:24px 20px}

  /* New post / edit page */
  .new-post,.editor-page{max-width:100%!important;margin:12px 8px!important;padding:20px 16px!important}

  /* Notification / messages */
  .notif-page,.msg-page{max-width:100%!important;margin:12px 8px!important}

  /* Comment form */
  .comment-form{margin:12px 4px 0;padding:14px}
  .devpost-comment-form{padding:12px}
}

/* ---- Responsive: Phone (≤500px) ---- */
@media(max-width:500px){
  .topbar{padding:0 10px;height:48px;gap:6px}
  .topbar__search{width:100%;font-size:13px;padding:7px 12px 7px 34px}
  .topbar__search-icon{left:10px}
  .topbar__logo-badge{font-size:15px;padding:4px 8px}
  .topbar__right{gap:4px}
  .topbar__right .btn.primary.sm{display:none}
  .topbar__icon-btn{width:34px;height:34px}
  .topbar__icon-btn svg{width:18px;height:18px}
  .topbar__user-avatar{width:28px;height:28px;font-size:12px}

  /* Feed cards compact */
  .dev-card--top .dev-card__cover img{height:160px}
  .dev-card__title{font-size:16px}
  .dev-card__footer{font-size:11px;gap:6px}
  .dev-card__avatar{width:26px;height:26px;font-size:11px}
  .dev-card__name{font-size:13px}
  .dev-card__date{font-size:11px}
  .dev-card__tags{gap:4px}
  .dev-card__tag{font-size:12px;padding:1px 4px}
  .dev-card__summary{font-size:13px;line-clamp:2;-webkit-line-clamp:2}
  .dev-card__react{padding:5px 8px;font-size:13px}
  .dev-card__read{font-size:12px}

  /* Post detail compact */
  .devpost-article__title{font-size:22px}
  .devpost-article__inner{padding:14px 12px}
  .devpost-article__content{font-size:15px;line-height:1.8}
  .devpost-author-card{display:none}
  .post-detail{padding:14px 12px;margin:0 4px}

  /* Comments compact */
  .comment{padding:10px;margin-bottom:6px}
  .comment__body{padding-left:0;font-size:14px}
  .comment__foot{padding-left:0}
  .comment__avatar{width:24px;height:24px;font-size:10px}
  .comment__author{font-size:13px}

  /* User profile compact */
  .profile-card{padding:16px 12px!important}

  /* Auth compact */
  .auth-card{margin:16px 8px;padding:20px 14px}
  .auth-card h1{font-size:20px}

  /* Pagination */
  .pagination{flex-wrap:wrap}
  .pagination a,.pagination span{padding:6px 10px;font-size:13px}
}