/* =========================================================
   AI.MUONNOI.ORG
   SOCIAL FEED ALPHA
   COMPLETE ROOT STYLE.CSS
   ========================================================= */

:root{
  --bg:#0b0f14;
  --bg-2:#0f141b;
  --bg-3:#121922;

  --panel:#101720;
  --panel-2:#141d28;
  --panel-3:#182230;

  --card:#131b25;
  --card-2:#16202c;

  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);

  --text:#edf2f7;
  --muted:#9fb0c3;
  --soft:#7d8d9f;

  --accent:#7dd3fc;
  --accent-2:#60a5fa;
  --accent-3:#38bdf8;

  --success:#34d399;
  --warning:#fbbf24;
  --danger:#f87171;
  --purple:#a78bfa;

  --shadow-sm:0 10px 24px rgba(0,0,0,.18);
  --shadow:0 18px 40px rgba(0,0,0,.28);
  --shadow-lg:0 24px 60px rgba(0,0,0,.34);

  --radius-xs:10px;
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:24px;

  --max:1480px;
  --sidebar-left:280px;
  --sidebar-right:320px;

  --topbar-blur:14px;
  --transition-fast:.18s ease;
  --transition:.24s ease;
}

/* =========================================================
   RESET
   ========================================================= */

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-width:320px;
  color:var(--text);
  font:500 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(96,165,250,.10), transparent 28%),
    radial-gradient(circle at top right, rgba(125,211,252,.08), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #0b1016 100%);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

button,
input,
select,
textarea{
  font:inherit;
}

button{
  appearance:none;
  -webkit-appearance:none;
}

textarea{
  resize:vertical;
}

.hidden{
  display:none !important;
}

/* =========================================================
   SCROLLBAR
   ========================================================= */

*{
  scrollbar-width:thin;
  scrollbar-color:rgba(125,211,252,.26) transparent;
}

*::-webkit-scrollbar{
  width:10px;
  height:10px;
}

*::-webkit-scrollbar-track{
  background:transparent;
}

*::-webkit-scrollbar-thumb{
  background:rgba(125,211,252,.20);
  border-radius:999px;
}

*::-webkit-scrollbar-thumb:hover{
  background:rgba(125,211,252,.32);
}

/* =========================================================
   LAYOUT
   ========================================================= */

.site-shell{
  width:min(calc(100% - 28px), var(--max));
  margin:18px auto 28px;
  display:grid;
  grid-template-columns:var(--sidebar-left) minmax(0,1fr) var(--sidebar-right);
  gap:18px;
  align-items:start;
}

.sidebar,
.content-column{
  min-width:0;
}

.left-sidebar{
  position:sticky;
  top:18px;
}

.right-sidebar{
  position:sticky;
  top:18px;
}

/* =========================================================
   CARD SYSTEM
   ========================================================= */

.brand-card,
.side-panel,
.composer-card,
.post-card,
.loading-card,
.feed-controls,
.feed-toolbar{
  background:
    linear-gradient(180deg, rgba(255,255,255,.032), rgba(255,255,255,.016));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
}

.side-panel,
.brand-card,
.composer-card,
.post-card,
.feed-controls,
.feed-toolbar{
  backdrop-filter:saturate(120%);
}

/* =========================================================
   BRAND / LEFT SIDEBAR
   ========================================================= */

.brand-card{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px;
  margin-bottom:14px;
}

.brand-mark{
  width:50px;
  height:50px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-weight:900;
  letter-spacing:.04em;
  color:#031018;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 14px 28px rgba(96,165,250,.18);
}

.brand-copy{
  display:flex;
  flex-direction:column;
  min-width:0;
}

.brand-copy strong{
  font-size:1.04rem;
  line-height:1.2;
}

.brand-copy span{
  margin-top:3px;
  color:var(--muted);
  font-size:.92rem;
}

.main-nav{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:14px;
}

.nav-item{
  display:block;
  padding:13px 16px;
  border-radius:14px;
  color:var(--muted);
  border:1px solid transparent;
  transition:background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition-fast);
}

.nav-item:hover{
  color:var(--text);
  transform:translateX(2px);
}

.nav-item:hover,
.nav-item.active{
  background:rgba(125,211,252,.08);
  border-color:rgba(125,211,252,.18);
  color:var(--text);
}

.side-panel{
  padding:18px;
  margin-bottom:14px;
}

.side-panel h3{
  margin:0 0 10px;
  font-size:1rem;
  line-height:1.3;
}

.side-panel p{
  margin:0;
  color:var(--muted);
}

.primary-action,
.primary-btn,
.ghost-btn,
.action-btn,
.comment-actions button,
.load-more-btn,
.clear-search-btn,
.reply-box button{
  border:none;
  outline:none;
  cursor:pointer;
  transition:
    transform var(--transition-fast),
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    opacity var(--transition),
    box-shadow var(--transition);
}

.primary-action,
.primary-btn{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#05131c;
  font-weight:800;
  padding:13px 18px;
  border-radius:14px;
  box-shadow:0 14px 28px rgba(96,165,250,.20);
}

.primary-action:hover,
.primary-btn:hover{
  transform:translateY(-1px);
  filter:brightness(1.03);
}

.primary-action:active,
.primary-btn:active{
  transform:translateY(0);
}

/* =========================================================
   TOPBAR
   ========================================================= */

.topbar{
  position:sticky;
  top:10px;
  z-index:20;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  padding:18px 20px;
  margin-bottom:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(11,15,20,.78);
  backdrop-filter:blur(var(--topbar-blur));
  box-shadow:var(--shadow-sm);
}

.topbar-title h1{
  margin:0;
  font-size:1.72rem;
  line-height:1.14;
  letter-spacing:-.02em;
}

.topbar-title p{
  margin:5px 0 0;
  color:var(--muted);
  max-width:720px;
}

.topbar-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}

.ghost-btn{
  padding:11px 14px;
  border-radius:12px;
  color:var(--text);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}

.ghost-btn:hover,
.ghost-btn.active{
  background:rgba(125,211,252,.08);
  border-color:rgba(125,211,252,.18);
  color:var(--accent);
}

.small-btn{
  padding:9px 12px;
  font-size:.92rem;
}

/* =========================================================
   FEED CONTROL BAR
   ========================================================= */

.feed-controls{
  padding:16px 18px;
  margin-bottom:14px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:14px;
}

.search-wrap{
  position:relative;
}

.search-input,
.topic-select{
  width:100%;
  border:none;
  outline:none;
  border-radius:14px;
  padding:14px 16px;
  background:var(--panel-2);
  color:var(--text);
  border:1px solid var(--line);
  transition:border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

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

.search-input:focus,
.topic-select:focus,
.composer-box textarea:focus,
.reply-box input:focus{
  border-color:rgba(125,211,252,.28);
  box-shadow:0 0 0 3px rgba(125,211,252,.08);
}

.clear-search-btn{
  position:absolute;
  top:50%;
  right:10px;
  transform:translateY(-50%);
  padding:7px 10px;
  border-radius:10px;
  background:rgba(255,255,255,.05);
  color:var(--muted);
  border:1px solid var(--line);
}

.clear-search-btn:hover{
  color:var(--text);
  background:rgba(255,255,255,.08);
}

.topic-filter-wrap{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.topic-label{
  color:var(--muted);
  font-size:.9rem;
}

.feed-toolbar{
  padding:14px 18px;
  margin-bottom:14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}

.feed-toolbar-left{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
}

.feed-toolbar-left strong{
  font-size:1rem;
}

.feed-toolbar-left span{
  color:var(--muted);
  font-size:.94rem;
}

/* =========================================================
   COMPOSER
   ========================================================= */

.composer-card{
  padding:18px;
  margin-bottom:14px;
}

.composer-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.composer-meta{
  display:flex;
  flex-direction:column;
  min-width:0;
}

.composer-meta strong{
  line-height:1.25;
}

.composer-meta span{
  color:var(--muted);
  font-size:.94rem;
}

.avatar{
  width:46px;
  height:46px;
  flex:0 0 46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-weight:800;
  color:#071017;
  background:linear-gradient(135deg,#93c5fd,#7dd3fc);
  box-shadow:0 12px 24px rgba(96,165,250,.14);
}

.avatar.user{
  background:linear-gradient(135deg,#93c5fd,#7dd3fc);
}

.avatar.mod{
  background:linear-gradient(135deg,#67e8f9,#60a5fa);
}

.avatar.user2{
  background:linear-gradient(135deg,#a7f3d0,#34d399);
}

.avatar.tech{
  background:linear-gradient(135deg,#fcd34d,#f59e0b);
}

.avatar.ai{
  background:linear-gradient(135deg,#c4b5fd,#818cf8);
}

.avatar.small{
  width:36px;
  height:36px;
  flex:0 0 36px;
  border-radius:12px;
  font-size:.8rem;
}

.composer-box textarea{
  width:100%;
  min-height:120px;
  border:none;
  outline:none;
  border-radius:16px;
  padding:16px 18px;
  background:var(--panel-2);
  color:var(--text);
}

.composer-box textarea::placeholder{
  color:var(--soft);
}

.composer-tools{
  margin-top:14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
}

.tool-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.tool-tags span{
  padding:7px 10px;
  border-radius:999px;
  background:rgba(125,211,252,.08);
  color:var(--accent);
  border:1px solid rgba(125,211,252,.14);
  font-size:.9rem;
  white-space:nowrap;
}

.composer-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* =========================================================
   FEED LIST
   ========================================================= */

.feed-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.post-card{
  padding:18px;
  transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition-fast);
}

.post-card:hover{
  border-color:rgba(255,255,255,.11);
  box-shadow:var(--shadow-lg);
}

.post-card.featured{
  border-color:rgba(125,211,252,.24);
}

.post-card.hot{
  box-shadow:0 18px 40px rgba(251,191,36,.08);
}

.post-header{
  display:flex;
  gap:12px;
  align-items:flex-start;
}

.post-meta{
  min-width:0;
  flex:1;
}

.post-userline{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}

.post-userline strong{
  line-height:1.2;
}

.post-userline span{
  color:var(--muted);
  font-size:.92rem;
}

.post-topic{
  margin-top:3px;
  color:var(--soft);
  font-size:.92rem;
}

.verified{
  padding:4px 8px;
  border-radius:999px;
  background:rgba(52,211,153,.12);
  color:var(--success) !important;
  border:1px solid rgba(52,211,153,.18);
  font-size:.78rem !important;
  line-height:1;
}

.dot{
  opacity:.55;
}

.post-labels{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}

.post-label{
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.84rem;
  line-height:1;
  background:rgba(255,255,255,.03);
}

.post-label.hot{
  color:var(--warning);
  border-color:rgba(251,191,36,.18);
  background:rgba(251,191,36,.08);
}

.post-label.verified{
  color:var(--success);
}

.post-label.ai{
  color:var(--purple);
  border-color:rgba(167,139,250,.18);
  background:rgba(167,139,250,.08);
}

.post-title{
  margin:14px 0 10px;
  font-size:1.45rem;
  line-height:1.28;
  letter-spacing:-.02em;
}

.post-body{
  margin:0;
  color:var(--text);
}

.link-preview{
  margin-top:16px;
  padding:14px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  display:flex;
  gap:12px;
}

.link-badge{
  padding:8px 10px;
  white-space:nowrap;
  align-self:flex-start;
  border-radius:12px;
  background:rgba(96,165,250,.10);
  color:var(--accent);
  font-size:.88rem;
  border:1px solid rgba(96,165,250,.16);
}

.link-content{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}

.link-content strong{
  line-height:1.35;
}

.link-content span{
  color:var(--muted);
}

.post-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}

.action-btn{
  padding:10px 12px;
  border-radius:12px;
  color:var(--muted);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}

.action-btn:hover,
.action-btn.active{
  color:var(--text);
  background:rgba(125,211,252,.08);
  border-color:rgba(125,211,252,.22);
}

/* =========================================================
   COMMENTS
   ========================================================= */

.comment-thread{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:14px;
}

.comment-item{
  display:flex;
  gap:12px;
}

.comment-item.nested{
  margin-left:28px;
}

.comment-body{
  flex:1;
  min-width:0;
  padding:12px 14px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
}

.comment-head{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:6px;
}

.comment-head span{
  color:var(--muted);
  font-size:.88rem;
}

.comment-body p{
  margin:0;
  color:var(--text);
}

.comment-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:10px;
}

.comment-actions button{
  background:none;
  color:var(--muted);
  padding:0;
}

.comment-actions button:hover{
  color:var(--accent);
}

.reply-box{
  margin-top:10px;
  display:flex;
  gap:10px;
}

.reply-box input{
  flex:1;
  min-width:0;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  outline:none;
}

.reply-box button{
  padding:10px 12px;
  border-radius:12px;
  background:rgba(125,211,252,.10);
  border:1px solid rgba(125,211,252,.18);
  color:var(--accent);
}

.reply-box button:hover{
  background:rgba(125,211,252,.16);
}

/* =========================================================
   POLL
   ========================================================= */

.mini-poll{
  margin-top:16px;
  padding:14px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
}

.poll-row{
  display:grid;
  grid-template-columns:120px 1fr 52px;
  gap:10px;
  align-items:center;
  margin-bottom:10px;
}

.poll-row:last-child{
  margin-bottom:0;
}

.poll-row span{
  color:var(--muted);
  font-size:.94rem;
}

.poll-row b{
  text-align:right;
}

.poll-bar{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}

.poll-bar i{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}

/* =========================================================
   RIGHT SIDEBAR
   ========================================================= */

.trend-list{
  margin:0;
  padding:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.trend-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
}

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

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

.trend-list span{
  color:var(--muted);
  font-size:.9rem;
  white-space:nowrap;
}

.room-card,
.tool-card{
  padding:14px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  margin-bottom:10px;
}

.room-card:last-child,
.tool-card:last-child{
  margin-bottom:0;
}

.room-card strong,
.tool-card strong{
  display:block;
  margin-bottom:4px;
  line-height:1.3;
}

.room-card span,
.tool-card p{
  color:var(--muted);
  margin:0;
}

.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
}

.stat-box{
  padding:14px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
}

.stat-box b{
  display:block;
  font-size:1.15rem;
  margin-bottom:4px;
}

.stat-box span{
  color:var(--muted);
  font-size:.92rem;
}

/* =========================================================
   LOADING / EMPTY / LOAD MORE
   ========================================================= */

.loading-card{
  padding:18px;
}

.loading-line{
  height:14px;
  border-radius:999px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.04), rgba(255,255,255,.10), rgba(255,255,255,.04));
  margin-bottom:12px;
}

.loading-line:last-child{
  margin-bottom:0;
}

.w-40{width:40%}
.w-75{width:75%}
.w-90{width:90%}

.empty-state{
  padding:28px 20px;
  text-align:center;
  border-radius:18px;
  border:1px dashed var(--line-strong);
  color:var(--muted);
  background:rgba(255,255,255,.02);
}

.load-more-wrap{
  margin-top:14px;
  display:flex;
  justify-content:center;
}

.load-more-btn{
  padding:13px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.03);
  color:var(--text);
  border:1px solid var(--line);
}

.load-more-btn:hover{
  background:rgba(125,211,252,.08);
  border-color:rgba(125,211,252,.18);
}

/* =========================================================
   FOCUS STATES
   ========================================================= */

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(125,211,252,.12);
  border-color:rgba(125,211,252,.28);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1280px){
  :root{
    --sidebar-left:252px;
    --sidebar-right:300px;
  }
}

@media (max-width: 1200px){
  .site-shell{
    grid-template-columns:250px minmax(0,1fr);
  }

  .right-sidebar{
    position:static;
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
  }

  .right-sidebar .side-panel{
    margin-bottom:0;
  }
}

@media (max-width: 920px){
  .site-shell{
    grid-template-columns:1fr;
  }

  .left-sidebar{
    position:static;
    order:2;
  }

  .content-column{
    order:1;
  }

  .right-sidebar{
    order:3;
    position:static;
    grid-template-columns:1fr;
  }

  .topbar{
    position:static;
    flex-direction:column;
    align-items:stretch;
  }

  .topbar-actions{
    justify-content:flex-start;
  }

  .feed-controls{
    grid-template-columns:1fr;
  }

  .feed-toolbar{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media (max-width: 640px){
  .site-shell{
    width:min(calc(100% - 16px), var(--max));
    margin:8px auto 20px;
    gap:12px;
  }

  .topbar,
  .composer-card,
  .post-card,
  .side-panel,
  .brand-card,
  .feed-controls,
  .feed-toolbar{
    border-radius:16px;
  }

  .brand-card,
  .side-panel,
  .composer-card,
  .post-card,
  .feed-controls,
  .feed-toolbar,
  .topbar{
    padding-left:14px;
    padding-right:14px;
  }

  .topbar-title h1{
    font-size:1.38rem;
  }

  .post-title{
    font-size:1.16rem;
  }

  .poll-row{
    grid-template-columns:88px 1fr 42px;
    gap:8px;
  }

  .comment-item.nested{
    margin-left:14px;
  }

  .post-actions{
    gap:8px;
  }

  .action-btn{
    flex:1 1 calc(50% - 8px);
    text-align:center;
  }

  .reply-box{
    flex-direction:column;
  }

  .reply-box button{
    width:100%;
  }
}

@media (max-width: 420px){
  .tool-tags,
  .composer-actions,
  .topbar-actions,
  .feed-toolbar-left{
    gap:8px;
  }

  .action-btn{
    flex:1 1 100%;
  }

  .post-userline{
    gap:6px;
  }
}