:root{--help-bg: #eef3f8;--help-card: #ffffff;--help-text: #18324b;--help-muted: #5c7088;--help-border: #cfdae8;--help-accent: #0e6f63}html,body,#help-root{height:100%}body{margin:0;background:var(--help-bg);color:var(--help-text);font-family:Avenir Next,Avenir,Segoe UI,sans-serif}.help-shell{max-width:560px;margin:0 auto;min-height:100dvh;height:100dvh;box-sizing:border-box;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:0;padding:16px}.help-header{background:var(--help-card);border:1px solid var(--help-border);border-radius:12px;padding:14px}.help-header h1{margin:0 0 6px;font-size:1.2rem}.help-header-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.help-header p{margin:0;color:var(--help-muted);font-size:.95rem}.help-reset-button{border:1px solid var(--help-border);background:#fff;color:var(--help-text);border-radius:10px;padding:6px 10px;font-size:.85rem;font-weight:700}.help-main{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);gap:10px}.help-main-chat-only{grid-template-rows:minmax(0,1fr)}.help-identity-form{margin:0;background:var(--help-card);border:1px solid var(--help-border);border-radius:12px;padding:12px}.help-identity-title{margin:0;font-size:1rem;font-weight:700}.help-identity-copy{margin:4px 0 10px;color:var(--help-muted);font-size:.92rem}.help-identity-grid{display:grid;grid-template-columns:1fr;gap:8px}.help-identity-grid input{border:1px solid var(--help-border);border-radius:10px;padding:10px;font:inherit}.help-identity-button{margin-top:10px;border:1px solid var(--help-accent);background:var(--help-accent);color:#fff;border-radius:10px;padding:9px 12px;font-weight:700}.help-chat{margin:0;background:var(--help-card);border:1px solid var(--help-border);border-radius:12px 12px 0 0;border-bottom:0;padding:12px 12px calc(20px + env(safe-area-inset-bottom,0px));overflow-y:auto;min-height:0;scroll-padding-bottom:calc(20px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:8px}.help-empty,.help-loading{color:var(--help-muted);margin:0}.help-message{border-radius:12px;padding:10px;max-width:92%}.help-message p{margin:0;white-space:pre-wrap}.help-message a{color:inherit;text-decoration:underline;word-break:break-all}.help-message-user{align-self:flex-end;background:#d9f2ee}.help-message-assistant,.help-message-system{align-self:flex-start;background:#f2f6fb}.help-form{margin:0;background:var(--help-card);border:1px solid var(--help-border);border-radius:0 0 12px 12px;padding:10px}.help-error{margin:0 0 8px;color:#a32232;font-size:.9rem}.help-input-row{display:grid;grid-template-columns:1fr auto;gap:8px}.help-input-row input{border:1px solid var(--help-border);border-radius:10px;padding:10px;font:inherit}.help-input-row button{border:1px solid var(--help-accent);background:var(--help-accent);color:#fff;border-radius:10px;padding:0 14px;font-weight:700}.help-input-row button:disabled{opacity:.55}