:root{--accent: #4f46e5;--accent-dark: #4338ca;--danger: #dc2626;--text-1: #111827;--text-2: #4b5563;--text-3: #9ca3af;--surface: #ffffff;--surface-2: #f9fafb;--border: #e5e7eb;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text-1);background:var(--surface-2)}.chat-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px 16px}.chat-page--embedded{padding:0;background:transparent}.chat-page--embedded .intake-card,.chat-page--embedded .chat-card{box-shadow:none;border-radius:0;height:100vh;max-height:none}.intake-card,.chat-card{width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius);box-shadow:0 1px 3px #00000014,0 8px 24px #0000000f;padding:24px;display:flex;flex-direction:column}.chat-card{max-height:640px;padding:0;overflow:hidden}.intake-card h1{font-size:20px;margin:0 0 4px}.intake-sub{color:var(--text-2);font-size:14px;margin:0 0 20px}.form-label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:14px}.form-input{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-1)}.form-input:focus{outline:2px solid var(--accent);outline-offset:-1px}.form-hint{font-size:13px;color:var(--text-3);margin:4px 0 0}.form-hint--warn{color:var(--danger)}.form-error{font-size:13px;color:var(--danger);margin:0 0 12px}.intake-signin{margin-top:8px;display:flex;justify-content:center}.gsi-button-slot{min-height:40px}.btn{font:inherit;font-weight:600;border:none;border-radius:8px;padding:9px 16px;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{background:var(--border);color:var(--text-3);cursor:not-allowed}.btn-secondary{background:var(--surface-2);color:var(--text-1);border:1px solid var(--border)}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-sm{padding:6px 10px;font-size:13px}.chat-header{padding:16px 20px;font-weight:700;border-bottom:1px solid var(--border)}.chat-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:8px}.chat-empty-hint{color:var(--text-3);font-size:13px;text-align:center;margin-top:20px}.chat-bubble{max-width:80%;padding:8px 12px;border-radius:14px;font-size:14px;line-height:1.4;word-break:break-word}.chat-bubble--visitor{align-self:flex-start;background:var(--surface-2);color:var(--text-1)}.chat-bubble--operator,.chat-bubble--operator-self{align-self:flex-end;background:var(--accent);color:#fff}.chat-closed-banner{align-self:center;font-size:12px;color:var(--text-3);background:var(--surface-2);padding:6px 12px;border-radius:999px;margin-top:8px}.chat-input-row{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.chat-input-row .form-input{flex:1}.admin-shell{display:flex;height:100vh}.admin-sidebar{width:320px;border-right:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column}.admin-sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border)}.admin-tabs{display:flex;gap:4px}.tab{border:none;background:none;padding:6px 10px;border-radius:6px;font:inherit;font-weight:600;color:var(--text-3);cursor:pointer}.tab--active{background:var(--surface-2);color:var(--text-1)}.admin-convo-list{overflow-y:auto;flex:1}.admin-convo-item{display:block;width:100%;text-align:left;border:none;background:none;padding:12px 14px;border-bottom:1px solid var(--border);cursor:pointer;font:inherit}.admin-convo-item:hover,.admin-convo-item--active{background:var(--surface-2)}.admin-convo-name{font-weight:600;font-size:14px}.admin-convo-role{color:var(--text-3);font-weight:400}.admin-convo-detail{font-size:12px;color:var(--text-2);margin-top:2px}.admin-convo-preview{font-size:12px;color:var(--text-3);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-thread{flex:1;display:flex;flex-direction:column;background:var(--surface-2)}.admin-thread-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.admin-thread-sub{font-size:12px;color:var(--text-2);margin-top:2px}.admin-thread-actions{display:flex;gap:8px}.chat-messages--admin{max-width:none}@media(max-width:640px){.admin-sidebar{width:100%;position:absolute;top:0;right:0;bottom:0;left:0;z-index:1}.admin-thread{width:100%}}