:root{--paper:#f3f6f9;--card:#fff;--ink:#15202b;--muted:#5b7083;--line:#dce4eb;--accent:#0a66c2;--accent-ink:#fff;--accent-soft:#e8f1fb;--signal:#c8860d;--danger:#c0392b;--like:#d6336c;--success:#1b7a4a;--display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;--body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;--sidebar-w:240px;--topbar-h:58px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--body)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:var(--accent)}h1,h2,h3{font-family:var(--display);margin:0;font-weight:600}.shell{display:flex;min-height:100dvh}.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 12px;position:fixed;inset:0 auto 0 0}.side-brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;font:650 1.25rem/1 var(--display)}.side-logo{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700}.side-nav{display:flex;flex-direction:column;gap:2px}.side-nav a{display:block;text-decoration:none;padding:10px 12px;border-radius:9px;color:var(--muted);font-weight:550;font-size:.92rem}.side-nav a:hover{background:var(--paper);color:var(--ink)}.side-nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:650}.side-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}.side-foot button{width:100%;text-align:left;padding:10px 12px;border-radius:9px;border:0;background:none;color:var(--muted);font-weight:550;font-size:.92rem}.content-wrap{flex:1 1 auto;min-width:0;margin-left:var(--sidebar-w)}.top{position:-webkit-sticky;position:sticky;top:0;z-index:10;display:flex;align-items:center;padding:14px 24px;background:rgba(243,246,249,.9);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);min-height:var(--topbar-h)}main.page{max-width:920px;margin:0 auto;padding:24px 24px 64px}.hero p{color:var(--muted);margin:6px 0 0}.section-title{font-size:1.05rem;margin:28px 0 10px}.hint{font-size:.86rem}.hint,.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:12px 0}.card-row{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.row{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:transparent;font-weight:600;font-size:.88rem;color:var(--ink);text-decoration:none}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.danger{color:var(--danger);border-color:transparent}.btn.small{padding:6px 13px;font-size:.82rem}.btn:disabled{opacity:.5;cursor:progress}label{display:block;font-weight:600;font-size:.85rem;margin:14px 0 6px}input,select,textarea{width:100%;padding:10px 12px;background:var(--paper);border:1px solid var(--line);border-radius:8px;font-size:15px}textarea{resize:vertical}.tag{display:inline-block;font-size:.74rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-right:4px}.tag.accent{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.tag.success{color:var(--success);border-color:var(--success)}.potential{display:inline-flex;font-size:.78rem;font-weight:650;padding:3px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.potential.mid{background:color-mix(in srgb,var(--signal) 20%,transparent);color:var(--signal)}.potential.low{background:color-mix(in srgb,var(--danger) 15%,transparent);color:var(--danger)}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px;margin:14px 0}.stat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.stat-card .num{font-family:var(--display);font-size:1.7rem;color:var(--accent)}.stat-card .lbl{color:var(--muted);font-size:.8rem;margin-top:2px}.error{color:var(--danger)}.error,.success-text{font-size:.88rem;margin:8px 0}.success-text{color:var(--success)}.spin{width:13px;height:13px;border-radius:50%;border:2px solid;border-right:2px solid transparent;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.auth-wrap{max-width:380px;margin:10vh auto;padding:0 20px}.auth-wrap .card{padding:28px}@media (max-width:880px){.sidebar{display:none}.content-wrap{margin-left:0}.grid-2,.stat-grid{grid-template-columns:1fr}}.ws-switcher{position:relative;margin:0 2px 16px}.ws-current{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--paper);text-align:left}.ws-current.skeleton{color:var(--muted)}.ws-avatar{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-family:var(--display);flex:none}.ws-avatar.small{width:26px;height:26px;font-size:.85rem}.ws-avatar.plus{background:var(--card);color:var(--accent);border:1px dashed var(--accent)}.ws-info{flex:1 1;min-width:0;display:flex;flex-direction:column}.ws-name{font-size:.86rem;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ws-persona{font-size:.72rem;color:var(--muted)}.ws-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:6px;z-index:30}.ws-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px;border-radius:8px;border:0;background:none;text-align:left}.ws-item:hover{background:var(--paper)}.ws-item.on{background:var(--accent-soft)}.ws-item.ws-add{color:var(--accent);font-weight:600;border-top:1px solid var(--line);margin-top:4px;padding-top:10px}.persona-choice{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:8px}.persona-card{border:1px solid var(--line);border-radius:10px;padding:14px;text-align:left;background:var(--card)}.persona-card.on{border-color:var(--accent);background:var(--accent-soft)}.persona-card h3{font-size:.95rem;margin-bottom:4px}.persona-card p{margin:0;font-size:.82rem;color:var(--muted)}.usage-badge{display:block;padding:8px 10px;margin-bottom:4px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:.78rem}.usage-badge:hover{background:var(--paper)}.usage-bar{display:block;height:4px;background:var(--line);border-radius:2px;margin-top:5px;overflow:hidden}.usage-fill{display:block;height:100%}.verify-banner{background:var(--accent-soft);color:var(--accent);padding:10px 24px;font-size:.86rem;text-align:center}.verify-banner button{background:none;border:0;color:var(--accent);font-weight:650;text-decoration:underline;padding:0;cursor:pointer}