:root{color:var(--text-primary);background:var(--chat-background);font-synthesis:none;--accent:#3390ec;--accent-hover:#2582d8;--surface:#fff;--surface-raised:#fff;--chat-background:#e7ebf0;--text-primary:#111827;--text-secondary:#707579;--border:#d9e0e7;--incoming:#fff;--outgoing:#eeffde;--danger:#d74242;--focus:#0b69c7;--shadow:0 10px 36px #152a4224;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--accent:#5aa7e8;--accent-hover:#71b4ec;--surface:#212b36;--surface-raised:#263544;--chat-background:#17212b;--text-primary:#f5f7fa;--text-secondary:#a8b3bf;--border:#354352;--incoming:#263544;--outgoing:#2b5278;--danger:#ff7373;--focus:#88c6ff;--shadow:0 14px 44px #0000004d}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{min-width:320px}button,input,select,textarea{font:inherit}button,select{cursor:pointer}button:disabled,textarea:disabled{cursor:not-allowed;opacity:.52}:focus-visible{outline:3px solid color-mix(in srgb, var(--focus) 70%, transparent);outline-offset:2px}.access-shell,.form-shell,.landing-shell,.centered-state{background:radial-gradient(circle at 50% 0, color-mix(in srgb, var(--accent) 16%, transparent), transparent 46%), var(--chat-background);place-items:center;min-height:100vh;padding:24px;display:grid}.landing-card{border:1px solid var(--border);background:var(--surface);width:min(100%,560px);box-shadow:var(--shadow);text-align:center;border-radius:24px;padding:clamp(28px,7vw,48px)}.landing-card .brand-mark{margin-inline:auto}.landing-kicker{color:var(--accent);letter-spacing:.04em;text-transform:uppercase;margin:18px 0 6px;font-weight:800}.landing-card h1{margin:0;font-size:clamp(1.75rem,6vw,2.5rem);line-height:1.12}.landing-lead{color:var(--text-secondary);margin:18px auto 0;font-size:1.05rem;line-height:1.6}.landing-note{border:1px solid var(--border);background:var(--surface-raised);color:var(--text-secondary);text-align:left;border-radius:14px;align-items:flex-start;gap:12px;margin:26px 0;padding:16px;line-height:1.5;display:flex}.landing-note svg{color:var(--accent);flex:none}.landing-action{width:100%;text-decoration:none}.landing-card small{color:var(--text-secondary);margin-top:16px;display:block}.form-shell{background:var(--chat-background);min-height:100vh;padding:28px 16px}.external-form{border:1px solid var(--border);background:var(--surface);width:min(100%,680px);box-shadow:var(--shadow);border-radius:20px;gap:18px;margin:0 auto;padding:clamp(22px,5vw,42px);display:grid}.external-form header{align-items:flex-start;gap:14px;display:flex}.external-form h1{margin:0;font-size:clamp(1.45rem,4vw,2rem)}.external-form header p{color:var(--text-secondary);margin:6px 0 0;line-height:1.5}.external-form>label:not(.checkbox-field){gap:7px;font-weight:650;display:grid}.external-form input:not([type=checkbox]),.external-form select,.external-form textarea{border:1px solid var(--border);width:100%;color:var(--text-primary);background:var(--surface-raised);border-radius:10px;padding:11px 12px}.external-form textarea{resize:vertical}.external-form .checkbox-field{align-items:flex-start;gap:10px;line-height:1.45;display:flex}.external-form .checkbox-field input{width:20px;height:20px;margin-top:1px}.external-form small{color:var(--text-secondary)}.external-form>small{text-align:center}.honeypot{clip-path:inset(50%)!important;width:1px!important;height:1px!important;position:absolute!important;overflow:hidden!important}.access-card{border:1px solid var(--border);background:var(--surface);width:min(100%,440px);box-shadow:var(--shadow);border-radius:20px;padding:32px}.brand-mark,.state-icon,.room-avatar{color:#fff;background:linear-gradient(145deg, var(--accent), #2469b4);letter-spacing:-.03em;place-items:center;font-weight:800;display:grid}.brand-mark,.state-icon{border-radius:18px;width:58px;height:58px}.access-card h1,.centered-state h1{margin:18px 0 8px;font-size:1.55rem}.muted,.centered-state p{color:var(--text-secondary);line-height:1.5}.centered-state{text-align:center;align-content:center}.centered-state>*{max-width:520px}.centered-state .state-icon{margin-inline:auto}.access-form{gap:17px;margin-top:24px;display:grid}.employee-login-command{border:1px solid var(--accent);color:#fff;background:var(--accent);border-radius:11px;justify-content:center;align-items:center;gap:9px;min-height:48px;margin-top:24px;font-weight:750;text-decoration:none;display:flex}.employee-login-command:hover{background:var(--accent-hover)}.access-divider{color:var(--text-secondary);text-align:center;align-items:center;gap:12px;margin-top:22px;font-size:.82rem;display:flex}.access-divider:before,.access-divider:after{background:var(--border);content:"";flex:1;height:1px}.access-divider+.access-form{margin-top:20px}.access-form label{color:var(--text-secondary);gap:7px;font-size:.9rem;font-weight:650;display:grid}.access-form input,.access-form select{border:1px solid var(--border);width:100%;min-height:46px;color:var(--text-primary);background:var(--surface-raised);border-radius:11px;padding:10px 12px}.primary-command,.text-command{border-radius:11px;justify-content:center;align-items:center;gap:9px;min-height:46px;font-weight:750;display:inline-flex}.primary-command{color:#fff;background:var(--accent);border:0}.primary-command:hover:not(:disabled){background:var(--accent-hover)}.text-command{color:var(--accent);background:0 0;border:0}.error-message{color:var(--danger);margin:16px 0 0}.room-shell{background:var(--chat-background);width:min(100%,1180px);height:100vh;box-shadow:var(--shadow);grid-template-rows:auto 1fr auto;margin-inline:auto;display:grid}.room-header{border-bottom:1px solid var(--border);background:var(--surface);z-index:2;align-items:center;gap:12px;min-height:68px;padding:9px 14px;display:flex}.room-avatar{border-radius:50%;flex:none;width:46px;height:46px}.room-heading{flex:1;min-width:0}.room-heading h1{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:1rem;overflow:hidden}.room-heading p{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;margin:4px 0 0;font-size:.82rem;overflow:hidden}.room-actions{gap:2px;display:flex}.icon-button{min-width:44px;min-height:44px;color:var(--text-secondary);background:0 0;border:0;border-radius:50%;place-items:center;display:inline-grid}.icon-button:hover:not(:disabled){color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent)}.message-feed{background-color:var(--chat-background);background-image:radial-gradient(circle, color-mix(in srgb, var(--text-secondary) 8%, transparent) 1px, transparent 1px);background-size:24px 24px;flex-direction:column;gap:8px;padding:18px clamp(12px,5vw,70px);display:flex;overflow-y:auto}.day-separator{justify-content:center;margin-bottom:18px;display:flex}.day-separator span,.system-message{color:var(--text-secondary);background:color-mix(in srgb, var(--surface) 88%, transparent);border-radius:999px;box-shadow:0 1px 2px #00000014}.day-separator span{padding:5px 11px;font-size:.76rem;font-weight:700}.system-message{text-align:center;width:fit-content;max-width:540px;margin:0 auto;padding:9px 14px;font-size:.86rem;line-height:1.4}.message-bubble{background:var(--incoming);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:6px 16px 16px;align-self:flex-start;width:fit-content;max-width:min(76%,720px);padding:8px 12px 6px;box-shadow:0 1px 2px #0000001a}.message-bubble.own{background:var(--outgoing);border-radius:16px 6px 16px 16px;align-self:flex-end}.message-bubble strong{color:var(--accent);margin-bottom:2px;font-size:.82rem;display:block}.message-bubble p{margin:0;line-height:1.4}.message-bubble time{color:var(--text-secondary);text-align:right;margin:2px 0 0 18px;font-size:.7rem;display:block}.message-bubble footer{justify-content:flex-end;align-items:center;gap:4px;margin-top:3px;display:flex}.message-bubble footer time{margin:0}.message-bubble .favorite{width:30px;height:30px;color:var(--text-secondary);background:0 0;border:0;border-radius:50%;place-items:center;display:grid}.message-bubble .favorite svg{width:17px;height:17px}.message-bubble .favorite:hover,.message-bubble .favorite.active{color:#f4b400}.message-bubble .favorite.active svg{fill:currentColor}.message-attachment{color:var(--accent);align-items:center;gap:8px;margin-top:6px;text-decoration:none;display:flex}.message-attachment:hover{text-decoration:underline}.composer{padding:9px 10px max(9px, env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface);grid-template-columns:auto 1fr auto auto;align-items:end;gap:4px;display:grid}.hidden-file-input{display:none}.pending-file{border:1px solid var(--border);min-width:0;color:var(--accent);background:var(--surface-raised);border-radius:12px;grid-column:1/-1;align-items:center;gap:8px;padding:7px 11px;display:flex}.pending-file span{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.pending-file button{width:36px;height:36px;color:var(--danger);background:0 0;border:0;border-radius:50%;font-size:1.3rem}.composer textarea{resize:none;border:1px solid var(--border);min-height:44px;max-height:140px;color:var(--text-primary);background:var(--surface-raised);border-radius:22px;padding:11px 15px}@media (width<=620px){.access-shell{align-items:stretch;padding:0}.access-card{width:100%;min-height:100vh;box-shadow:none;border:0;border-radius:0;padding:28px 20px}.room-header{padding-inline:10px}.room-actions .icon-button:nth-child(-n+2){display:none}.message-feed{padding-inline:12px}.composer{grid-template-columns:auto 1fr auto}.composer .icon-button:nth-last-child(2){display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}