:root {
  --bg: #080b21;
  --bg-2: #0c1230;
  --panel: rgba(15, 20, 55, .86);
  --panel-solid: #101638;
  --panel-2: #171d48;
  --panel-3: #1d2458;
  --stroke: rgba(163, 147, 255, .22);
  --stroke-strong: rgba(169, 149, 255, .42);
  --text: #f8f5ff;
  --muted: #a8afd0;
  --faint: #727b9f;
  --violet: #7b5cff;
  --violet-2: #9c84ff;
  --lavender: #c9b4ff;
  --cyan: #74d8ff;
  --pink: #ff7fcf;
  --success: #62d6a1;
  --warning: #ffcd75;
  --danger: #ff758e;
  --shadow: 0 22px 60px rgba(0, 0, 0, .42);
  --radius: 18px;
  --radius-sm: 12px;
  --topbar-h: 64px;
  --side-w: 220px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 80% -10%, rgba(99, 76, 255, .18), transparent 28%),
    radial-gradient(circle at 10% 30%, rgba(63, 148, 255, .08), transparent 28%),
    linear-gradient(180deg, #070a1d 0%, #090d25 50%, #070a1b 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: rgba(123, 92, 255, .48); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #293160; border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

.app-shell { min-height: 100vh; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--topbar-h);
  display: grid;
  grid-template-columns: auto minmax(220px, 680px) auto;
  align-items: center;
  gap: 22px;
  padding: 0 24px;
  background: rgba(7, 10, 29, .86);
  border-bottom: 1px solid var(--stroke);
  backdrop-filter: blur(22px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 28px/1 Georgia, "Times New Roman", serif;
  letter-spacing: -.6px;
  white-space: nowrap;
}
.brand-mark { color: var(--violet-2); font: 900 20px/1 system-ui; transform: translateY(-1px); }
.top-search {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 13px;
  background: rgba(18, 24, 62, .74);
  border: 1px solid var(--stroke);
  border-radius: 999px;
}
.top-search:focus-within { border-color: var(--violet-2); box-shadow: 0 0 0 3px rgba(123, 92, 255, .12); }
.top-search input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; color: var(--text); }
.top-search input::placeholder { color: #7f88ae; }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }

.btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 760;
  transition: .18s ease;
  user-select: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(135deg, #6d4cff, #8d65ff); box-shadow: 0 9px 28px rgba(94, 69, 255, .28); }
.btn-primary:hover { box-shadow: 0 12px 34px rgba(94, 69, 255, .38); }
.btn-secondary { background: rgba(23, 29, 72, .86); border-color: var(--stroke); }
.btn-secondary:hover { border-color: var(--stroke-strong); background: rgba(31, 38, 88, .95); }
.btn-ghost { background: transparent; border-color: var(--stroke); color: #d8ddf5; }
.btn-soft { background: rgba(123, 92, 255, .13); border-color: rgba(123, 92, 255, .2); color: #cfc4ff; }
.btn-danger { background: rgba(255, 117, 142, .12); border-color: rgba(255, 117, 142, .28); color: #ffb2c0; }
.icon-btn { width: 40px; padding: 0; border-radius: 12px; }

.body-grid { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: calc(100vh - var(--topbar-h)); }
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow: auto;
  padding: 18px 14px 90px;
  border-right: 1px solid var(--stroke);
  background: rgba(9, 13, 36, .8);
  backdrop-filter: blur(18px);
}
.nav-group { display: grid; gap: 4px; margin-bottom: 18px; }
.nav-label { padding: 12px 12px 7px; color: #68749f; font-size: 11px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.nav-item {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  border-radius: 11px;
  color: #abb4d6;
  font-size: 14px;
  font-weight: 680;
  cursor: pointer;
}
.nav-item:hover { background: rgba(120, 95, 255, .08); color: #ece9ff; }
.nav-item.active { background: linear-gradient(90deg, rgba(111, 79, 255, .23), rgba(111, 79, 255, .06)); color: #fff; }
.nav-icon { width: 22px; text-align: center; color: #9684ff; }
.nav-spacer { flex: 1; }
.nav-badge { min-width: 22px; height: 22px; display: inline-grid; place-items: center; padding: 0 6px; border-radius: 999px; background: #6f50ff; font-size: 11px; }

.main { min-width: 0; width: 100%; }
.page { width: min(1500px, 100%); margin: 0 auto; padding: 26px 28px 72px; }
.page-full { width: 100%; margin: 0; padding: 0; }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.page-kicker { color: var(--violet-2); font-size: 11px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.page-title { margin: 4px 0 0; font: 700 clamp(28px, 3vw, 44px)/1.06 Georgia, "Times New Roman", serif; letter-spacing: -.8px; }
.page-subtitle { margin: 8px 0 0; max-width: 720px; color: var(--muted); line-height: 1.65; }
.section { margin-top: 28px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.section-title { margin: 0; font: 700 20px/1.15 Georgia, serif; }
.section-link { color: #a998ff; font-size: 13px; font-weight: 700; }

.card {
  background: linear-gradient(180deg, rgba(22, 29, 70, .92), rgba(13, 18, 49, .92));
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 12px 38px rgba(0, 0, 0, .16);
}
.card-pad { padding: 18px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12px; }
.inline { display: inline-flex; align-items: center; gap: 8px; }
.stack { display: grid; gap: 12px; }
.divider { height: 1px; background: var(--stroke); }
.chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(112, 85, 255, .11);
  border: 1px solid rgba(137, 114, 255, .18);
  color: #c9beff;
  font-size: 12px;
  font-weight: 700;
}
.chip.active { background: linear-gradient(135deg, #6c50ff, #8d6aff); color: #fff; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(134, 98, 255, .16);
  color: #d5caff;
  border: 1px solid rgba(157, 128, 255, .22);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .02em;
}
.badge.creator { background: linear-gradient(135deg, rgba(167, 90, 255, .26), rgba(91, 114, 255, .18)); }
.badge.success { background: rgba(98, 214, 161, .12); color: #9ff1c9; border-color: rgba(98, 214, 161, .2); }

.hero {
  position: relative;
  min-height: 455px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  overflow: hidden;
  border-radius: 0 0 28px 28px;
  border-bottom: 1px solid var(--stroke);
  background:
    radial-gradient(circle at 35% 20%, rgba(88, 68, 255, .22), transparent 24%),
    linear-gradient(120deg, #080b23 0 48%, #101440 100%);
}
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; padding: 58px clamp(28px, 5vw, 74px); }
.hero-eyebrow { color: #b7a7ff; font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { max-width: 650px; margin: 12px 0 16px; font: 800 clamp(46px, 6vw, 82px)/.9 Georgia, serif; letter-spacing: -3px; }
.hero h1 em { color: #cbb8ff; font-weight: inherit; }
.hero p { max-width: 620px; margin: 0; color: #b6bddc; font-size: 16px; line-height: 1.7; }
.hero-actions { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.hero-art { position: relative; min-height: 455px; background: linear-gradient(90deg, #0b0f2b 0%, rgba(11,15,43,.25) 24%, rgba(11,15,43,.05) 100%), url('assets/hero-scene.jpg') center/cover no-repeat; }
.hero-art::after { content: ""; position: absolute; inset: auto 0 0; height: 40%; background: linear-gradient(transparent, rgba(8,11,33,.94)); }

.feature-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px auto 0; width: min(1400px, calc(100% - 48px)); }
.feature-tile { min-height: 150px; padding: 18px; position: relative; overflow: hidden; }
.feature-tile::after { content:""; position:absolute; width:120px; height:120px; border-radius:50%; right:-45px; bottom:-55px; background: radial-gradient(circle, rgba(122,88,255,.3), transparent 65%); }
.feature-icon { width: 36px; height: 36px; display:grid; place-items:center; border-radius:11px; background: rgba(124, 92, 255, .16); color:#c4b7ff; }
.feature-title { margin-top: 22px; font: 700 18px Georgia, serif; }
.feature-copy { margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.55; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; margin-top: 18px; }
.stat { padding: 22px; text-align: center; background: rgba(14,19,48,.72); }
.stat strong { display:block; font: 700 24px Georgia, serif; }
.stat span { color: var(--muted); font-size: 12px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; }
.feed-list { display: grid; gap: 14px; }
.post { padding: 16px; }
.post-head { display: flex; gap: 10px; align-items: center; }
.avatar { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(147,120,255,.46); background: #20275d; }
.avatar.sm { width: 32px; height: 32px; }
.avatar.lg { width: 94px; height: 94px; border-width: 4px; box-shadow: 0 0 0 5px rgba(9,12,32,.82); }
.post-meta { min-width: 0; flex: 1; }
.post-name { font-weight: 800; }
.post-time { color: #7781a7; font-size: 11px; margin-top: 2px; }
.post-text { margin: 14px 0; color: #d8dcf1; line-height: 1.62; }
.post-media { width: 100%; aspect-ratio: 16/7; object-fit: cover; border-radius: 14px; border: 1px solid var(--stroke); }
.post-actions { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.action-pill { min-height: 32px; padding: 0 10px; display:inline-flex; align-items:center; gap:7px; border:0; border-radius:999px; background:transparent; color:#8f99be; cursor:pointer; }
.action-pill:hover { color:#fff; background:rgba(116, 91, 255, .08); }
.action-pill.liked { color:#ff8fca; }

.right-rail { display: grid; gap: 14px; align-content: start; position: sticky; top: calc(var(--topbar-h) + 18px); height: fit-content; }
.rail-title { font-weight: 850; font-size: 13px; margin-bottom: 12px; }
.mini-list { display: grid; gap: 11px; }
.mini-user { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 9px; align-items: center; }
.mini-name { font-size: 13px; font-weight: 780; white-space: nowrap; overflow:hidden; text-overflow:ellipsis; }
.mini-sub { color: var(--faint); font-size: 11px; white-space: nowrap; overflow:hidden; text-overflow:ellipsis; }

.discovery-hero { position:relative; overflow:hidden; min-height:220px; padding:32px; background: linear-gradient(90deg, rgba(9,13,36,.96), rgba(9,13,36,.28)), url('assets/profile-banner.jpg') center/cover; }
.discovery-hero::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 85% 25%, rgba(146,102,255,.22), transparent 28%); pointer-events:none; }
.discovery-hero > * { position: relative; z-index:1; }
.discovery-hero h1 { margin:8px 0 9px; font: 750 clamp(36px,5vw,62px)/1 Georgia,serif; }
.discovery-hero p { max-width:620px; color:#c0c7e4; line-height:1.6; }

.tab-row { display:flex; gap:4px; overflow:auto; padding-bottom:1px; }
.tab { min-height:38px; padding:0 14px; border:0; border-radius:10px; background:transparent; color:#8892b9; font-weight:720; cursor:pointer; white-space:nowrap; }
.tab:hover { color:#fff; background:rgba(123,92,255,.07); }
.tab.active { color:#fff; background:rgba(123,92,255,.16); }

.card-grid { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:14px; }
.content-card { overflow:hidden; cursor:pointer; transition:.18s ease; }
.content-card:hover { transform: translateY(-3px); border-color:var(--stroke-strong); }
.content-cover { width:100%; aspect-ratio: 16/10; object-fit:cover; background:#171d48; }
.content-body { padding:13px; }
.content-title { font-weight:850; margin-bottom:5px; }
.content-desc { color:var(--muted); font-size:12px; line-height:1.45; min-height:35px; }
.content-foot { display:flex; justify-content:space-between; align-items:center; gap:8px; margin-top:11px; color:#7680a5; font-size:11px; }

.search-layout { display:grid; grid-template-columns: 230px minmax(0,1fr) 280px; gap:18px; }
.filter-panel { padding:16px; position:sticky; top:calc(var(--topbar-h) + 18px); align-self:start; }
.filter-group { display:grid; gap:8px; margin-top:18px; }
.filter-label { color:#eef0ff; font-size:12px; font-weight:850; }
.check { display:flex; gap:8px; align-items:center; color:#9da6c9; font-size:12px; }
.check input { accent-color:var(--violet); }
.search-result-grid { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:13px; }
.search-card { overflow:hidden; }
.search-card img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.search-card .content-body { padding:12px; }

.profile-hero { overflow:hidden; }
.profile-banner { height:230px; background: linear-gradient(180deg, transparent 45%, rgba(8,11,31,.86)), url('assets/profile-banner.jpg') center/cover no-repeat; }
.profile-info { position:relative; display:flex; gap:18px; align-items:flex-end; padding:0 22px 22px; margin-top:-55px; }
.profile-copy { min-width:0; flex:1; padding-bottom:3px; }
.profile-name { margin:0; font:700 32px Georgia,serif; }
.profile-handle { color:#8d96ba; font-size:13px; margin-top:2px; }
.profile-bio { max-width:670px; margin:10px 0 0; color:#bec5df; font-size:13px; line-height:1.55; }
.profile-actions { display:flex; gap:8px; align-items:center; padding-bottom:6px; }
.profile-stats { display:flex; gap:22px; flex-wrap:wrap; margin-top:11px; }
.profile-stat strong { display:block; font-size:14px; }
.profile-stat span { color:#7983a8; font-size:11px; }
.profile-tabs { display:flex; gap:3px; padding:0 16px 13px; border-top:1px solid rgba(163,147,255,.09); }

.chat-shell { display:grid; grid-template-columns: 260px minmax(0,1fr) 320px; height:calc(100vh - var(--topbar-h)); }
.chat-list { border-right:1px solid var(--stroke); padding:14px; overflow:auto; background:rgba(9,13,36,.58); }
.chat-list-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.chat-thread { display:grid; grid-template-columns:auto minmax(0,1fr); gap:10px; align-items:center; padding:10px; border-radius:12px; cursor:pointer; }
.chat-thread:hover,.chat-thread.active { background:rgba(119,91,255,.1); }
.chat-center { min-width:0; display:grid; grid-template-rows:auto minmax(0,1fr) auto; background:radial-gradient(circle at 60% 10%,rgba(94,70,255,.09),transparent 30%); }
.chat-head { min-height:64px; display:flex; align-items:center; gap:11px; padding:10px 16px; border-bottom:1px solid var(--stroke); }
.chat-head-copy { min-width:0; flex:1; }
.chat-head-name { font-weight:850; }
.chat-head-status { color:#7e89b0; font-size:11px; }
.chat-messages { overflow:auto; padding:18px clamp(15px,4vw,50px); display:grid; gap:14px; align-content:start; }
.message-row { display:flex; gap:10px; align-items:flex-start; }
.message-row.user { justify-content:flex-end; }
.message-bubble { max-width:min(720px,78%); padding:12px 14px; border-radius:15px; background:#141a44; border:1px solid var(--stroke); color:#e0e4f6; line-height:1.55; font-size:14px; }
.message-row.user .message-bubble { background:linear-gradient(135deg,#6f50ff,#815dff); border-color:transparent; }
.message-image { width:min(600px,100%); border-radius:13px; margin-top:10px; border:1px solid var(--stroke); }
.quick-prompts { display:flex; gap:7px; overflow:auto; padding:0 18px 10px; }
.quick-prompt { white-space:nowrap; min-height:30px; border-radius:999px; border:1px solid var(--stroke); background:rgba(16,22,56,.8); color:#929dc4; padding:0 10px; cursor:pointer; }
.composer-wrap { padding:0 16px 16px; }
.composer { display:grid; grid-template-columns:auto minmax(0,1fr) auto; gap:9px; align-items:end; padding:9px; border:1px solid var(--stroke-strong); border-radius:16px; background:#101638; box-shadow:0 -12px 40px rgba(4,7,20,.22); }
.composer textarea { min-height:42px; max-height:150px; resize:none; border:0; outline:0; background:transparent; color:#fff; padding:10px 2px; }
.chat-context { border-left:1px solid var(--stroke); padding:14px; overflow:auto; background:rgba(9,13,36,.58); }
.context-cover { width:100%; aspect-ratio:16/8; object-fit:cover; border-radius:13px; margin-bottom:12px; }
.context-section { padding:14px 0; border-bottom:1px solid var(--stroke); }
.context-section:last-child { border-bottom:0; }

.workspace { display:grid; grid-template-columns: 250px minmax(0,1fr) 300px; min-height:calc(100vh - var(--topbar-h)); }
.workspace-nav,.workspace-inspector { padding:18px; border-right:1px solid var(--stroke); background:rgba(9,13,36,.55); }
.workspace-inspector { border-right:0; border-left:1px solid var(--stroke); }
.workspace-main { padding:24px; min-width:0; }
.editor-title { width:100%; border:0; outline:0; background:transparent; color:#fff; font:700 34px Georgia,serif; padding:8px 0; }
.editor { width:100%; min-height:62vh; resize:vertical; border:0; outline:0; background:transparent; color:#d8dcef; font:16px/1.85 Georgia,serif; }
.editor-toolbar { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:14px; }
.tool { min-width:34px; height:34px; padding:0 9px; border:1px solid var(--stroke); border-radius:8px; background:#11173b; color:#aab2d4; cursor:pointer; }

.settings-grid { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:14px; }
.setting-card { padding:18px; display:grid; gap:13px; }
.setting-card.selected { border-color:var(--violet-2); box-shadow:0 0 0 2px rgba(123,92,255,.1); }
.setting-icon { width:46px; height:46px; display:grid; place-items:center; border-radius:13px; background:rgba(123,92,255,.14); font-size:22px; }
.setting-title { font-weight:850; }
.setting-desc { color:var(--muted); font-size:12px; line-height:1.5; }
.form-field { display:grid; gap:7px; }
.form-field label { font-size:12px; font-weight:800; color:#c5cae2; }
.input,.textarea,.select { width:100%; border:1px solid var(--stroke); border-radius:11px; background:#101638; color:#fff; outline:0; padding:11px 12px; }
.input:focus,.textarea:focus,.select:focus { border-color:#8a70ff; box-shadow:0 0 0 3px rgba(123,92,255,.1); }

.persona-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
.persona-card { padding:18px; cursor:pointer; }
.persona-card.selected { border-color:#8f76ff; box-shadow:0 0 0 2px rgba(123,92,255,.1); }
.persona-head { display:flex; gap:12px; align-items:center; }
.persona-avatar { width:54px; height:54px; border-radius:16px; object-fit:cover; }

.toggle-row { display:flex; align-items:center; justify-content:space-between; gap:14px; }
.toggle { width:44px; height:24px; padding:2px; border:0; border-radius:999px; background:#30385f; cursor:pointer; transition:.18s; }
.toggle::after { content:""; display:block; width:20px; height:20px; border-radius:50%; background:#fff; transition:.18s; }
.toggle.on { background:#7557ff; }
.toggle.on::after { transform:translateX(20px); }

.plugin-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
.plugin-card { padding:17px; display:grid; gap:13px; }
.plugin-top { display:flex; gap:11px; align-items:center; }
.plugin-icon { width:42px; height:42px; display:grid; place-items:center; border-radius:13px; background:linear-gradient(135deg,#5d49e8,#8d69ff); }
.permission-list { display:flex; gap:5px; flex-wrap:wrap; }
.permission { padding:4px 7px; border-radius:999px; background:rgba(255,255,255,.04); color:#8f99bd; font-size:10px; }

.mobile-bottom { display:none; }
.mobile-only { display:none; }

.modal-backdrop { position:fixed; inset:0; z-index:100; display:grid; place-items:center; padding:18px; background:rgba(2,4,15,.72); backdrop-filter:blur(10px); }
.modal { width:min(520px,100%); max-height:min(760px,90vh); overflow:auto; padding:20px; background:#101638; border:1px solid var(--stroke-strong); border-radius:20px; box-shadow:var(--shadow); }
.modal-head { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:18px; }
.modal-title { font:700 23px Georgia,serif; }
.toast { position:fixed; z-index:120; right:20px; bottom:20px; max-width:360px; padding:13px 16px; border-radius:13px; background:#181f4c; border:1px solid var(--stroke-strong); box-shadow:var(--shadow); color:#e8eaff; animation:toast-in .22s ease; }
@keyframes toast-in { from { opacity:0; transform:translateY(10px); } }

@media (max-width: 1180px) {
  :root { --side-w: 84px; }
  .nav-item { justify-content:center; padding:0; }
  .nav-item span:not(.nav-icon):not(.nav-badge) { display:none; }
  .nav-label { display:none; }
  .content-grid { grid-template-columns:minmax(0,1fr) 280px; }
  .card-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .search-layout { grid-template-columns:210px minmax(0,1fr); }
  .search-layout > .right-rail { display:none; }
  .chat-shell { grid-template-columns:220px minmax(0,1fr); }
  .chat-context { display:none; }
  .workspace { grid-template-columns:210px minmax(0,1fr); }
  .workspace-inspector { display:none; }
}
@media (max-width: 820px) {
  :root { --topbar-h: 58px; }
  body { padding-bottom:72px; }
  .topbar { grid-template-columns:auto 1fr auto; padding:0 14px; gap:10px; }
  .top-search { display:none; }
  .brand { font-size:23px; }
  .desktop-only { display:none !important; }
  .mobile-only { display:inline-flex; }
  .body-grid { display:block; min-height:0; }
  .sidebar { display:none; }
  .page { padding:18px 14px 28px; }
  .hero { min-height:auto; display:block; border-radius:0; }
  .hero-copy { padding:36px 18px 24px; }
  .hero h1 { font-size:clamp(42px,13vw,62px); letter-spacing:-2px; }
  .hero-art { min-height:280px; background-position:center; }
  .feature-strip { grid-template-columns:repeat(2,1fr); width:calc(100% - 28px); }
  .stats { grid-template-columns:repeat(2,1fr); }
  .content-grid { display:block; }
  .right-rail { display:none; }
  .card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .search-layout { display:block; }
  .filter-panel { position:static; margin-bottom:14px; }
  .search-result-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .profile-banner { height:170px; }
  .profile-info { align-items:flex-start; flex-wrap:wrap; margin-top:-42px; padding:0 15px 16px; }
  .avatar.lg { width:82px; height:82px; }
  .profile-copy { flex-basis:calc(100% - 104px); }
  .profile-actions { width:100%; }
  .profile-stats { gap:15px; }
  .chat-shell { display:block; height:calc(100vh - var(--topbar-h) - 72px); }
  .chat-list { display:none; }
  .chat-center { height:100%; }
  .chat-messages { padding:14px; }
  .message-bubble { max-width:86%; }
  .workspace { display:block; min-height:0; }
  .workspace-nav,.workspace-inspector { display:none; }
  .workspace-main { padding:18px 14px; }
  .settings-grid,.persona-grid,.plugin-grid { grid-template-columns:1fr; }
  .mobile-bottom {
    position:fixed; z-index:70; left:0; right:0; bottom:0; height:72px; display:grid; grid-template-columns:repeat(5,1fr); padding:6px 6px calc(6px + env(safe-area-inset-bottom)); background:rgba(7,10,29,.93); border-top:1px solid var(--stroke); backdrop-filter:blur(22px);
  }
  .bottom-item { display:grid; place-items:center; align-content:center; gap:3px; border-radius:10px; color:#7e89ae; font-size:10px; font-weight:700; }
  .bottom-item .nav-icon { font-size:18px; }
  .bottom-item.active { color:#fff; background:rgba(117,88,255,.1); }
  .toast { left:14px; right:14px; bottom:88px; max-width:none; }
}
@media (max-width: 520px) {
  .feature-strip { grid-template-columns:1fr 1fr; gap:9px; }
  .feature-tile { min-height:138px; padding:14px; }
  .feature-title { font-size:16px; }
  .feature-copy { font-size:11px; }
  .card-grid,.search-result-grid { grid-template-columns:1fr; }
  .discovery-hero { padding:24px 18px; min-height:190px; }
  .page-header { align-items:flex-start; flex-direction:column; }
  .top-actions .btn { padding:0 11px; }
}

/* Alpha 0.2 expansion */
.message-stack{display:grid;gap:6px;max-width:min(720px,78%)}
.message-stack .message-bubble{max-width:none}
.message-row.user .message-stack{justify-items:end}
.message-tools{display:flex;gap:5px;flex-wrap:wrap;opacity:.38;transition:opacity .15s ease}
.message-row:hover .message-tools{opacity:1}
.message-tools button{border:0;background:transparent;color:#8994ba;font-size:10px;padding:4px 6px;border-radius:7px;cursor:pointer}
.message-tools button:hover{background:rgba(123,92,255,.12);color:#fff}
.excluded-message .message-bubble{opacity:.48;border-style:dashed}

.create-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.create-card{padding:18px;display:grid;grid-template-rows:auto 1fr auto;gap:16px;min-height:230px}
.create-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,rgba(129,94,255,.28),rgba(74,117,255,.12));border:1px solid var(--stroke)}

.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.collection-card{overflow:hidden}.collection-card>img{width:100%;aspect-ratio:16/8;object-fit:cover}.collection-card .inline{justify-content:space-between;width:100%}
.notification-list{display:grid;gap:9px}
.notification-item{padding:13px 15px;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px;align-items:center}
.notification-item.read{opacity:.58}.notification-dot{width:8px;height:8px;border-radius:50%;background:#8a63ff;box-shadow:0 0 12px rgba(138,99,255,.7)}.notification-item.read .notification-dot{background:#42496a;box-shadow:none}

.object-hero{overflow:hidden}.object-cover{min-height:410px;background-position:center;background-size:cover;display:flex;align-items:end}.object-copy{padding:40px;max-width:760px}.object-copy h1{margin:10px 0;font:750 54px/1 Georgia,serif}.object-copy p{color:#c1c8e4;line-height:1.7}
.object-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;margin-top:18px}.scenario-row,.permission-row,.task-row,.knowledge-row,.privacy-row,.branch-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--stroke)}.scenario-row:last-child,.permission-row:last-child,.task-row:last-child,.knowledge-row:last-child,.privacy-row:last-child,.branch-row:last-child{border-bottom:0}
.stat-grid-compact{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric-card{padding:18px;text-align:center}.metric-card b{display:block;font:750 26px Georgia,serif}.metric-card span{color:var(--muted);font-size:11px}

.community-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 290px;gap:14px}.community-message{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--stroke)}

.reader-page{min-height:100vh;background:radial-gradient(circle at 50% 0,rgba(104,73,255,.12),transparent 30%),#070a1d;padding-bottom:80px}.reader-top{height:70px;position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 20px;background:rgba(7,10,29,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--stroke)}.reader-sheet{width:min(760px,calc(100% - 34px));margin:46px auto;background:#f6f0e5;color:#272230;padding:clamp(28px,6vw,70px);border-radius:18px;box-shadow:0 25px 70px rgba(0,0,0,.34)}.reader-sheet h1{font:750 clamp(38px,7vw,64px)/1 Georgia,serif;margin:10px 0}.reader-byline{color:#746c78}.reader-sheet>img{width:100%;margin:28px 0;border-radius:12px}.reader-sheet>p{font:18px/1.85 Georgia,serif}.reader-actions{display:flex;justify-content:space-between;margin-top:40px}

.episode-card{padding:15px;display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:14px;align-items:center}.episode-thumb{height:70px;border-radius:12px;display:grid;place-items:center;font:700 22px Georgia,serif;background:linear-gradient(135deg,#222b66,#704fff)}.progress{height:6px;margin-top:10px;border-radius:999px;background:#171c42;overflow:hidden}.progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#7254ff,#b590ff)}
.workspace-dashboard{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;margin-top:18px}.workspace-project{width:100%;display:flex;justify-content:space-between;gap:10px;padding:12px 0;border:0;border-bottom:1px solid var(--stroke);background:transparent;color:#fff;text-align:left;cursor:pointer}.workspace-project span{color:var(--muted);font-size:11px}

.knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.meter,.context-meter{height:9px;border-radius:999px;background:#171c42;overflow:hidden}.meter span,.context-meter span{display:block;height:100%;background:linear-gradient(90deg,#6b4cff,#b492ff)}
.privacy-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px}.select.compact{width:auto;min-width:140px}

.advanced-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.span-2{grid-column:span 2}.context-segments{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:14px}.context-segments>div{padding:11px;border-radius:10px;background:rgba(112,84,255,.07);border:1px solid rgba(146,124,255,.12)}.context-segments b,.context-segments span{display:block}.context-segments b{font-size:11px}.context-segments span{font-size:10px;color:var(--muted);margin-top:4px}.memory-map{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.memory-map span{padding:8px 10px;border-radius:999px;background:rgba(116,87,255,.12);border:1px solid var(--stroke);font-size:11px}.memory-map i{width:18px;height:1px;background:#5f68a0}

@media (max-width:1100px){.create-grid,.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.community-layout{grid-template-columns:190px minmax(0,1fr)}.community-layout>aside:last-child{grid-column:1/-1}.advanced-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.context-segments{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace-dashboard,.knowledge-layout,.privacy-layout,.object-layout{grid-template-columns:1fr}}
@media (max-width:760px){.create-grid,.library-grid,.stat-grid-compact,.advanced-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.notification-item{grid-template-columns:auto minmax(0,1fr) auto}.notification-item .btn{grid-column:2/-1;justify-self:start}.community-layout{grid-template-columns:1fr}.object-cover{min-height:500px}.object-copy{padding:24px}.object-copy h1{font-size:42px}.episode-card{grid-template-columns:54px minmax(0,1fr)}.episode-card>.btn{grid-column:2}.context-segments{grid-template-columns:1fr}.reader-top{padding:0 10px}.reader-top>div{display:none}.reader-sheet{margin-top:20px}.message-stack{max-width:88%}.message-tools{opacity:.8;overflow:auto;flex-wrap:nowrap}.message-tools button{white-space:nowrap}.privacy-row{align-items:flex-start;flex-direction:column}.select.compact{width:100%}}
.chat-center{grid-template-columns:minmax(0,1fr)}
.chat-center>*{min-width:0}
.content-grid>*{min-width:0}
.feed-list{min-width:0;max-width:100%}
.post{min-width:0;max-width:100%;width:100%}
.post>*{min-width:0;max-width:100%}
.profile-tabs{max-width:100%;overflow-x:auto;overflow-y:hidden}