:root{color-scheme:light;--navy:#123b67;--blue:#1c64b5;--sky:#eaf4ff;--ink:#122033;--muted:#627188;--line:#d9e1eb;--danger:#a22;--white:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(155deg,#eef6ff,#dceafb 55%,#f7fbff);color:var(--ink);min-height:100vh}.shell{width:min(980px,100%);margin:auto;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;color:var(--navy);margin-bottom:22px}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800;opacity:.72}h1{margin:.25rem 0;font-size:clamp(1.75rem,5vw,2.6rem)}h2{margin-top:0}.card{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:24px;box-shadow:0 18px 50px rgba(18,59,103,.12);padding:clamp(20px,4vw,34px)}.login-card{max-width:470px;margin:8vh auto}.login-card form,.admin-form{display:grid;gap:16px}label{display:grid;gap:7px;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 15px;font:inherit;color:inherit;background:#fff}textarea{resize:vertical}.primary,.tab,.link-button{border:0;border-radius:14px;padding:13px 18px;font:inherit;font-weight:800;cursor:pointer}.primary{background:var(--blue);color:#fff}.link-button{background:transparent;color:var(--navy)}.error{color:var(--danger);min-height:1.3em}.tabs{display:flex;gap:8px;overflow:auto;margin-bottom:14px}.tab{background:rgba(255,255,255,.65);color:var(--navy);text-decoration:none;white-space:nowrap}.tab.active{background:var(--navy);color:#fff}.assistant-card{padding-bottom:18px}.messages{min-height:380px;max-height:58vh;overflow:auto;display:flex;flex-direction:column;gap:12px;padding:4px}.message{max-width:78%;border-radius:18px;padding:14px 16px;line-height:1.45;white-space:pre-wrap}.message.assistant{align-self:flex-start;background:#f0f4f8}.message.user{align-self:flex-end;background:var(--blue);color:#fff}.message.loading{opacity:.65}.composer{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:end;border-top:1px solid var(--line);padding-top:16px;margin-top:16px}.mic{width:52px;height:52px;border:0;border-radius:16px;background:var(--sky);font-size:1.55rem;cursor:pointer}.send{height:52px}.hint{color:var(--muted);font-size:.88rem;margin:8px 0 0}.access-list{display:grid;gap:10px;margin:18px 0 28px}.access-item{display:flex;justify-content:space-between;gap:12px;border:1px solid var(--line);padding:14px;border-radius:14px}.check{display:flex;grid-auto-flow:column;justify-content:start;align-items:center}.check input{width:auto}.voice-body{display:grid;place-items:center}.voice-shell{width:min(620px,100%);padding:28px;text-align:center}.voice-shell header{color:var(--navy);margin-bottom:28px}.voice-card{background:#fff;border-radius:36px;padding:clamp(30px,8vw,62px) 24px;box-shadow:0 22px 60px rgba(18,59,103,.17)}.voice-orb{width:clamp(150px,48vw,230px);aspect-ratio:1;border:0;border-radius:50%;font-size:clamp(3.4rem,13vw,6rem);background:radial-gradient(circle at 35% 28%,#3985d9,#1557a7 64%,#0c376e);box-shadow:0 20px 38px rgba(21,87,167,.32);cursor:pointer}.voice-orb.listening{animation:pulse 1.2s infinite}.voice-answer{margin-top:22px;background:#f2f6fa;border-radius:18px;padding:18px;min-height:70px;text-align:left;line-height:1.5}.back-link{display:inline-block;margin-top:22px;color:var(--navy);font-weight:800}@keyframes pulse{50%{transform:scale(1.05);box-shadow:0 0 0 18px rgba(28,100,181,.12)}}@media(max-width:600px){.shell{padding:16px}.composer{grid-template-columns:auto 1fr}.send{grid-column:1/-1}.message{max-width:92%}.admin-form{grid-template-columns:1fr}.voice-shell{padding:18px}}