:root{--bg0:#f0f3f8;--bg1:#e4eaf2;--ink:#0b1220;--muted:#5a6a80;--line:rgba(11,18,32,0.12);--panel:rgba(255,255,255,0.8);--panel-solid:#ffffff;--accent:#1a6cff;--accent-2:#0ea5a0;--accent-soft:rgba(26,108,255,0.12);--danger:#b42318;--ok:#1a7f4b;--shadow:0 18px 50px rgba(11,18,32,0.08);--radius:14px;--font-display:"Sora","Avenir Next",sans-serif;--font-body:"DM Sans","Segoe UI",sans-serif;--font-mono:"IBM Plex Mono","Consolas",monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;color:var(--ink);font-family:var(--font-body);background:radial-gradient(1200px 600px at 10% -10%,rgba(26,108,255,.16),transparent 55%),radial-gradient(900px 500px at 90% 0,rgba(14,165,160,.1),transparent 50%),linear-gradient(180deg,var(--bg0),var(--bg1));background-attachment:fixed}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;padding:28px 20px;border-right:1px solid var(--line);background:rgba(255,255,255,.55);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:28px;animation:rise .55s ease both}.brand{font-family:var(--font-display);font-weight:800;font-size:1.55rem;letter-spacing:-.03em;line-height:1.1}.brand span{display:block;margin-top:4px;font-size:.78rem;font-weight:600;color:var(--muted);letter-spacing:.02em}.nav{display:flex;flex-direction:column;gap:6px}.nav a{padding:10px 12px;border-radius:10px;color:var(--muted);transition:background .2s ease,color .2s ease,transform .2s ease}.nav a:hover{background:var(--accent-soft);color:var(--ink);transform:translateX(2px)}.nav a.active{background:var(--accent);color:#fff}.main{padding:28px 32px 48px;animation:fade .45s ease both}.page-head{margin-bottom:22px}.page-head h1{margin:0;font-family:var(--font-display);font-size:clamp(1.6rem,2.4vw,2.1rem);letter-spacing:-.03em}.page-head p{margin:8px 0 0;color:var(--muted);max-width:56ch}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:10px;padding:10px 16px;background:var(--accent);color:#fff;font-weight:600;transition:transform .15s ease,filter .15s ease,opacity .15s ease}.btn:hover{filter:brightness(1.05);transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.btn.small{padding:7px 11px;font-size:.92rem}.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:var(--panel-solid);color:var(--ink);padding:10px 12px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.textarea{min-height:120px;resize:vertical;font-size:.9rem;line-height:1.45}.mono,.textarea{font-family:var(--font-mono)}.mono{font-size:.86rem}.muted{color:var(--muted)}.hero-home{min-height:100vh;display:grid;place-items:center;padding:40px 20px;position:relative;overflow:hidden}.hero-home:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,118,110,.16),transparent 40%),url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230f766e' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");animation:drift 18s linear infinite;pointer-events:none}.hero-card{position:relative;z-index:1;width:min(680px,100%);padding:clamp(36px,6vw,56px);text-align:left;animation:rise .7s ease both}.hero-card .brand{font-size:clamp(2.4rem,7vw,3.6rem);margin-bottom:18px}.hero-card h1{margin:0;font-family:var(--font-display);font-size:clamp(1.35rem,3.2vw,1.85rem);font-weight:700;letter-spacing:-.02em;max-width:18ch}.hero-card p{margin:14px 0 28px;color:var(--muted);font-size:1.08rem;max-width:38ch}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.status-pill{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:8px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.9rem;font-weight:600}.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 1.6s ease infinite}.chat-shell{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 120px);overflow:hidden}.chat-history{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:rgba(255,255,255,.45)}.chat-history-head{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 8px;font-weight:600;font-size:.92rem}.chat-site-pick{display:flex;flex-direction:column;gap:4px;padding:0 10px 10px;font-size:.8rem}.chat-site-pick select{width:100%;padding:7px 8px;border-radius:8px;border:1px solid var(--line);background:var(--panel-solid);font:inherit}.chat-history-list{overflow-y:auto;padding:0 8px 12px;display:flex;flex-direction:column;gap:4px}.chat-history-item{display:grid;grid-template-columns:1fr auto;align-items:stretch;border-radius:10px;border:1px solid transparent}.chat-history-item.active{border-color:var(--line);background:var(--panel-solid)}.chat-history-open{text-align:left;background:none;border:0;padding:8px 10px;cursor:pointer;display:flex;flex-direction:column;gap:2px;min-width:0}.chat-history-title{font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-history-site{font-size:.72rem;color:var(--muted,#6b645c)}.chat-history-del{background:none;border:0;cursor:pointer;color:var(--muted,#6b645c);padding:0 8px;font-size:1.1rem}.chat-layout{display:grid;grid-template-rows:auto auto 1fr auto auto;min-height:calc(100vh - 120px);overflow:hidden}.chat-chips{display:flex;flex-wrap:wrap;gap:8px}.chat-chips-bar{padding:0 14px 8px}.chat-chip{border:1px solid var(--line);background:rgba(255,255,255,.7);border-radius:999px;padding:6px 12px;font-size:.82rem;cursor:pointer;color:inherit}.chat-chip:hover:not(:disabled){border-color:var(--accent)}.chat-chip:disabled{opacity:.5;cursor:default}.tool-actions{margin-top:6px;font-family:var(--font-body);font-size:.8rem}.tool-actions a{color:inherit}.chat-context-bar{margin:12px 14px 0;font-size:.9rem}.chat-tree{margin:8px 14px 0;padding:10px 12px;max-height:140px;overflow:auto;font-size:.78rem;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.55);color:#4a433c}.linkish{background:none;border:0;padding:0;color:inherit;text-decoration:underline;cursor:pointer;font:inherit}.chat-messages{padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.bubble{max-width:min(720px,92%);padding:12px 14px;border-radius:14px;white-space:pre-wrap;line-height:1.45;animation:fade .25s ease both}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff}.bubble.assistant{align-self:flex-start;background:var(--panel-solid);border:1px solid var(--line)}.bubble.tool{align-self:flex-start;background:rgba(196,92,38,.08);border:1px solid rgba(196,92,38,.2);color:#7a3a16;font-family:var(--font-mono);font-size:.82rem}.bubble.tool.edited{border-color:rgba(46,125,50,.35);background:rgba(46,125,50,.08);color:#1b5e20}.bubble.tool.fail{border-color:rgba(180,40,40,.35);background:rgba(180,40,40,.08);color:#7a1c1c}.tool-diff{margin:8px 0 0;padding:8px;max-height:180px;overflow:auto;white-space:pre-wrap;font-size:.74rem;border-radius:8px;background:rgba(0,0,0,.04)}.chat-compose{display:grid;grid-template-columns:1fr auto;grid-gap:10px;gap:10px;padding:14px;border-top:1px solid var(--line);background:rgba(255,255,255,.7)}@media (max-width:860px){.chat-shell{grid-template-columns:1fr}.chat-history{border-right:0;border-bottom:1px solid var(--line);max-height:160px}}.files-layout{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 140px);overflow:hidden}.files-editor,.files-tree{min-height:0;overflow:auto}.files-tree{border-right:1px solid var(--line);padding:12px}.files-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.crumb{font-family:var(--font-mono);font-size:.8rem;color:var(--muted);margin-bottom:10px;word-break:break-all}.file-row{display:grid;grid-template-columns:1fr auto;grid-gap:8px;gap:8px;align-items:center;width:100%;text-align:left;padding:8px 10px;border:none;border-radius:8px;background:transparent;color:var(--ink);transition:background .15s ease}.file-row.active,.file-row:hover{background:var(--accent-soft)}.file-row .name{font-family:var(--font-mono);font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row .meta{font-size:.75rem;color:var(--muted)}.editor-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}.editor-body{padding:0}.editor-body textarea{min-height:calc(100vh - 220px);border:none;border-radius:0;box-shadow:none}.sites-grid{display:grid;grid-gap:14px;gap:14px}.site-row{display:grid;grid-template-columns:1fr auto;grid-gap:16px;gap:16px;align-items:center;padding:16px 18px}.site-row h3{margin:0;font-family:var(--font-display);font-size:1.15rem}.site-actions{display:flex;flex-wrap:wrap;gap:8px}.create-site{padding:16px 18px;margin-bottom:16px;display:grid;grid-gap:12px;gap:12px}.create-site form{display:grid;grid-template-columns:1fr 1fr auto;grid-gap:10px;gap:10px}.migrate-form{display:grid;grid-gap:12px;gap:12px}.wizard-steps{display:flex;flex-wrap:wrap;gap:8px}.wizard-steps button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:7px 12px;color:var(--muted);font-weight:600}.wizard-steps button.active{background:var(--accent);border-color:var(--accent);color:#fff}.progress-track{height:10px;border-radius:999px;background:rgba(20,32,26,.08);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#1a9b8e);transition:width .2s ease;border-radius:999px}.code-editor{display:flex;flex-direction:column;height:100%;min-height:0}.code-editor-meta{padding:8px 12px;border-bottom:1px solid var(--line);font-size:.8rem}.code-editor-area{flex:1 1;min-height:360px;width:100%;border:none;border-radius:0;resize:none;font-family:var(--font-mono);font-size:.9rem;line-height:1.45;-moz-tab-size:2;tab-size:2;background:#0f1714;color:#e7f0ea;padding:14px 16px}.empty{padding:28px;text-align:center;color:var(--muted)}.error-banner{margin-bottom:14px;padding:10px 12px;border-radius:10px;background:rgba(180,35,24,.08);color:var(--danger);border:1px solid rgba(180,35,24,.2)}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.85)}}@keyframes drift{0%{background-position:0 0,0 0}to{background-position:0 0,60px 60px}}@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:none;border-bottom:1px solid var(--line)}.nav{flex-direction:row;flex-wrap:wrap}.files-layout{grid-template-columns:1fr}.files-tree{border-right:none;border-bottom:1px solid var(--line);max-height:280px}.create-site form{grid-template-columns:1fr}.main{padding:20px 16px 36px}}