:root {
  --bg: #07080d;
  --surface: #10121a;
  --surface-2: #171a24;
  --surface-3: #202432;
  --text: #f7f8fb;
  --muted: #a9afc3;
  --line: rgba(255,255,255,.09);
  --purple: #7c4dff;
  --blue: #2f80ed;
  --gradient: linear-gradient(135deg, #9a4dff, #2f80ed);
  --danger: #ff5f7a;
  --success: #45d483;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
  --radius: 18px;
  --header: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(124,77,255,.14), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(47,128,237,.12), transparent 26%),
    var(--bg);
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(124,77,255,.5);
  outline-offset: 3px;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 4%;
  background: rgba(7,8,13,.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 220px; }
.brand img { width: 44px; height: 44px; object-fit: cover; object-position: left; border-radius: 12px; }
.brand-name { font-weight: 900; font-size: 21px; letter-spacing: -.4px; }
.brand-name span { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.search-wrap { flex: 1; max-width: 560px; position: relative; }
.search-wrap input {
  width: 100%;
  padding: 13px 18px 13px 45px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.search-icon { position: absolute; left: 17px; top: 50%; transform: translateY(-50%); color: var(--muted); }

.top-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn, .avatar-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
}
.avatar-btn {
  background: var(--gradient);
  font-weight: 900;
}
.badge {
  position: absolute;
  top: -4px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 900;
  background: var(--danger);
  border: 2px solid var(--bg);
  border-radius: 999px;
}
.mobile-menu-btn { display: none; }

.page-shell {
  width: min(1500px, 100%);
  margin: 0 auto;
  padding: calc(var(--header) + 28px) 3% 40px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 330px;
  gap: 26px;
}

.left-sidebar, .right-sidebar { position: sticky; top: calc(var(--header) + 24px); align-self: start; }
.card {
  background: rgba(16,18,26,.93);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.profile-mini { padding: 22px; text-align: center; }
.cover-mini { height: 82px; margin: -22px -22px 0; background: var(--gradient); border-radius: var(--radius) var(--radius) 0 0; }
.avatar-large {
  width: 78px; height: 78px; margin: -38px auto 12px;
  display: grid; place-items: center;
  font-size: 26px; font-weight: 900;
  background: var(--gradient);
  border: 5px solid var(--surface);
  border-radius: 50%;
}
.profile-mini h2 { font-size: 19px; }
.profile-mini p { color: var(--muted); font-size: 13px; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.stats strong, .stats span { display: block; }
.stats strong { font-size: 15px; }
.stats span { color: var(--muted); font-size: 11px; }

.nav-card { margin-top: 18px; padding: 10px; }
.side-link {
  display: flex; align-items: center; gap: 13px;
  padding: 13px 14px;
  color: #d8dbea;
  border-radius: 12px;
  font-weight: 700;
  transition: .2s ease;
}
.side-link:hover, .side-link.active { color: white; background: linear-gradient(135deg, rgba(124,77,255,.22), rgba(47,128,237,.18)); }
.side-link span:first-child { width: 24px; text-align: center; }

.main-feed { min-width: 0; }
.welcome {
  position: relative;
  overflow: hidden;
  padding: 28px;
  margin-bottom: 20px;
}
.welcome::after {
  content:"";
  position:absolute;
  width:220px;height:220px;
  right:-70px;top:-80px;
  background:var(--gradient);
  filter:blur(35px);
  opacity:.22;
  border-radius:50%;
}
.welcome h1 { position:relative; z-index:1; font-size: clamp(28px,4vw,44px); line-height:1.05; margin-bottom: 10px; }
.welcome p { position:relative; z-index:1; color:var(--muted); max-width:650px; }
.gradient-text { background:var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; }

.stories {
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:110px;
  gap:14px;
  overflow-x:auto;
  padding: 4px 2px 18px;
  scrollbar-width:none;
}
.story { text-align:center; }
.story-ring {
  width:72px;height:72px;margin:0 auto 8px;
  padding:3px;
  background:var(--gradient);
  border-radius:50%;
}
.story-ring img, .story-ring .story-avatar {
  width:100%;height:100%;
  display:grid;place-items:center;
  object-fit:cover;
  color:white;
  font-weight:900;
  background:var(--surface-3);
  border:3px solid var(--bg);
  border-radius:50%;
}
.story p { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:#d7d9e5; font-size:12px; }

.composer { padding: 18px; margin-bottom: 20px; }
.composer-top { display:flex; gap:12px; }
.composer-avatar { flex:0 0 44px; height:44px; display:grid;place-items:center; font-weight:900; background:var(--gradient); border-radius:50%; }
.composer textarea {
  width:100%; min-height:80px; resize:vertical;
  padding:14px 16px;
  color:var(--text);
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:14px;
}
.composer-actions { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:13px; }
.quick-actions { display:flex; flex-wrap:wrap; gap:8px; }
.quick-btn { padding:9px 12px; color:var(--muted); background:transparent; border:1px solid var(--line); border-radius:10px; }
.post-btn { padding:10px 20px; color:white; font-weight:900; background:var(--gradient); border:0; border-radius:11px; }

.post { overflow:hidden; margin-bottom:20px; }
.post-head { display:flex; justify-content:space-between; gap:15px; padding:18px; }
.user-row { display:flex; gap:12px; align-items:center; }
.post-avatar { width:46px;height:46px;display:grid;place-items:center;font-weight:900;background:var(--gradient);border-radius:50%; }
.user-row h3 { font-size:15px; }
.user-row p { color:var(--muted); font-size:12px; }
.more-btn { width:38px;height:38px;color:var(--muted);background:transparent;border:0;border-radius:50%;font-size:20px; }
.post-copy { padding:0 18px 16px; color:#e4e6ef; }
.post-media { width:100%; max-height:520px; object-fit:cover; background:#0c0d12; }
.post-meta { display:flex; justify-content:space-between; padding:13px 18px; color:var(--muted); font-size:12px; border-bottom:1px solid var(--line); }
.post-actions { display:grid; grid-template-columns:repeat(3,1fr); padding:8px; }
.action-btn { padding:11px; color:var(--muted); background:transparent; border:0; border-radius:10px; font-weight:800; }
.action-btn:hover { background:var(--surface-2); color:white; }
.action-btn.liked { color:#ff6b85; }
.comments { display:none; padding:0 18px 18px; }
.comments.open { display:block; }
.comment-box { display:flex; gap:9px; margin-top:12px; }
.comment-box input { flex:1; padding:11px 13px; color:var(--text); background:var(--surface-2); border:1px solid var(--line); border-radius:999px; }

.right-card { padding:20px; margin-bottom:18px; }
.card-title { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; }
.card-title h3 { font-size:17px; }
.card-title a { color:#9b7bff; font-size:12px; font-weight:800; }
.trend { padding:12px 0; border-bottom:1px solid var(--line); }
.trend:last-child { border-bottom:0; }
.trend small { color:var(--muted); }
.trend strong { display:block; margin:2px 0; }
.trend span { color:var(--muted); font-size:12px; }

.person { display:flex; align-items:center; gap:10px; padding:10px 0; }
.person-avatar { width:42px;height:42px;display:grid;place-items:center;font-weight:900;background:var(--gradient);border-radius:50%; }
.person-info { flex:1; min-width:0; }
.person-info strong, .person-info span { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.person-info span { color:var(--muted); font-size:12px; }
.follow-btn { padding:8px 11px; color:white; font-size:12px; font-weight:900; background:transparent; border:1px solid #765cff; border-radius:9px; }
.follow-btn.following { background:var(--gradient); border-color:transparent; }

.mobile-nav {
  display:none;
  position:fixed;
  inset:auto 0 0 0;
  z-index:900;
  grid-template-columns:repeat(5,1fr);
  padding:8px 8px max(8px, env(safe-area-inset-bottom));
  background:rgba(10,11,17,.96);
  border-top:1px solid var(--line);
  backdrop-filter:blur(18px);
}
.mobile-nav a { display:grid;place-items:center;gap:3px;padding:7px;color:var(--muted);font-size:11px; }
.mobile-nav a.active { color:#9b7bff; }

.drawer-overlay { display:none; }

@media (max-width: 1180px) {
  .page-shell { grid-template-columns: 230px minmax(0,1fr); }
  .right-sidebar { display:none; }
}
@media (max-width: 860px) {
  :root { --header: 64px; }
  .topbar { padding:0 16px; }
  .brand { min-width:0; }
  .brand-name { display:none; }
  .search-wrap { max-width:none; }
  .top-actions .icon-btn:nth-child(1),
  .top-actions .icon-btn:nth-child(2) { display:none; }
  .mobile-menu-btn { display:grid; }
  .page-shell { display:block; padding:calc(var(--header) + 18px) 14px 95px; }
  .left-sidebar {
    position:fixed;
    inset:0 auto 0 0;
    z-index:1200;
    width:min(84vw,320px);
    padding:18px;
    overflow-y:auto;
    background:var(--bg);
    transform:translateX(-105%);
    transition:transform .28s ease;
  }
  .left-sidebar.open { transform:translateX(0); }
  .drawer-overlay {
    position:fixed; inset:0; z-index:1100;
    display:block; background:rgba(0,0,0,.65);
    opacity:0; visibility:hidden; pointer-events:none;
    transition:.28s ease;
  }
  .drawer-overlay.open { opacity:1; visibility:visible; pointer-events:auto; }
  .mobile-nav { display:grid; }
  .welcome { padding:22px; }
}
@media (max-width: 560px) {
  .topbar { gap:10px; }
  .brand img { width:38px;height:38px; }
  .search-wrap input { padding:11px 13px 11px 40px; font-size:13px; }
  .avatar-btn { width:38px;height:38px; }
  .welcome h1 { font-size:31px; }
  .composer-actions { align-items:stretch; flex-direction:column; }
  .post-btn { width:100%; }
  .post-actions { font-size:13px; }
  .post-media { max-height:390px; }
}