:root{color-scheme:light;--surface-primary: #f4f6f8;--surface-secondary: #ffffff;--surface-elevated: #eef2f5;--surface-accent: #e7f3f1;--text-primary: #141821;--text-secondary: #526070;--text-tertiary: #7b8797;--border-default: #dde3ea;--border-subtle: #ebeff4;--accent-primary: #0f766e;--accent-hover: #115e59;--status-success: #15803d;--status-warning: #b45309;--status-error: #b91c1c;--status-info: #2563eb;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--surface-primary);color:var(--text-primary);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100dvh;overflow:hidden;background:var(--surface-primary);letter-spacing:0}button,input,textarea{font:inherit}button{min-height:44px;border:1px solid var(--border-default);border-radius:8px;background:var(--surface-secondary);color:var(--text-primary);cursor:pointer;transition:transform .12s ease-out,border-color .12s ease-out,background-color .12s ease-out}button:hover{border-color:var(--accent-primary);background:var(--surface-elevated)}button:active{background:var(--surface-accent)}button:focus-visible,input:focus-visible,textarea:focus-visible,.button-link:focus-visible{outline:3px solid color-mix(in srgb,var(--accent-primary),transparent 70%);outline-offset:2px}button:disabled{cursor:not-allowed;color:var(--text-tertiary);background:var(--surface-elevated);transform:none}button svg,.button-link svg,.section-icon svg,.brand-mark svg{width:18px;height:18px;flex:0 0 auto}.app-shell{width:min(1440px,100%);height:100dvh;margin:0 auto;padding:var(--space-4) var(--space-5);display:flex;flex-direction:column;overflow:hidden}.topbar{display:flex;flex:0 0 auto;min-height:64px;align-items:center;justify-content:space-between;gap:var(--space-6);padding:0 0 var(--space-4)}.brand-lockup,.section-heading{display:flex;min-width:0;align-items:center;gap:var(--space-3)}.brand-mark,.section-icon{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--accent-primary),transparent 72%);border-radius:8px;background:var(--surface-accent);color:var(--accent-primary)}.brand-mark{width:44px;height:44px}.section-icon{width:36px;height:36px}.topbar-actions{display:flex;align-items:center;gap:var(--space-3)}.topbar-actions button{flex:0 0 auto}.button-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 var(--space-4);border:1px solid var(--border-default);border-radius:8px;background:var(--surface-secondary);color:var(--text-primary);font-size:15px;text-decoration:none;gap:var(--space-2);transition:border-color .12s ease-out,background-color .12s ease-out}.button-link:hover{border-color:var(--accent-primary);background:var(--surface-elevated)}.icon-button{display:inline-flex;width:44px;min-width:44px;padding:0;align-items:center;justify-content:center}.eyebrow,.status-pill,dt,.section-kicker,.card-label{margin:0;color:var(--text-tertiary);font-size:12px;font-weight:600;letter-spacing:0}h1,h2,h3,p{margin:0}h1{font-size:32px;line-height:1.2}h2{font-size:22px;line-height:1.3}h3{font-size:18px;line-height:1.4}p{color:var(--text-secondary);font-size:15px;line-height:1.6}.topbar h1{margin-top:var(--space-1);font-size:20px;line-height:1.25}.status-pill{display:inline-flex;align-items:center;width:fit-content;min-height:36px;padding:0 var(--space-3) 0 var(--space-2);border:1px solid color-mix(in srgb,var(--accent-primary),transparent 74%);border-radius:999px;background:var(--surface-accent);color:var(--accent-primary);gap:var(--space-2)}.status-pill span{width:7px;height:7px;border-radius:50%;background:var(--accent-primary)}.workspace{display:grid;grid-template-columns:minmax(360px,.84fr) minmax(520px,1.16fr);gap:var(--space-4);flex:1 1 auto;min-height:0}.panel{border:1px solid var(--border-default);border-radius:8px;background:var(--surface-secondary);padding:var(--space-5)}.panel-header{display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;gap:var(--space-4)}.panel-header.with-action{align-items:center}.panel-header.with-action button{flex:0 0 auto;padding:0 var(--space-4);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}.panel-header p{margin-top:var(--space-1)}.conversation-panel,.results-stack{min-width:0;min-height:0}.conversation-panel{display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;border:1px solid var(--border-default);border-radius:8px;background:var(--surface-secondary)}.conversation-header{justify-content:flex-start;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-subtle)}.conversation-header h2{font-size:20px}.samples,.chip-list{display:flex;min-width:0;flex-wrap:wrap;gap:var(--space-2)}.samples button{min-height:40px;padding:0 var(--space-3);color:var(--text-secondary);font-size:13px}.composer{display:grid;flex:0 0 auto;min-width:0;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-top:1px solid var(--border-subtle);background:var(--surface-secondary)}.composer>*{min-width:0;max-width:100%}.composer label{font-size:12px;font-weight:600;color:var(--text-tertiary)}.composer-heading{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.composer-heading span{color:var(--text-tertiary);font-size:12px}textarea{width:100%;resize:vertical;min-height:92px;border:1px solid var(--border-default);border-radius:8px;padding:var(--space-3);color:var(--text-primary);background:var(--surface-secondary);line-height:1.55}input{width:100%;min-height:44px;border:1px solid var(--border-default);border-radius:8px;padding:0 var(--space-3);color:var(--text-primary);background:var(--surface-secondary)}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.composer-actions button{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;gap:var(--space-2);min-width:120px;padding:0 var(--space-5);background:var(--accent-primary);color:var(--surface-secondary);border-color:var(--accent-primary);white-space:nowrap}.composer-actions button:hover{background:var(--accent-hover)}#error-message{min-width:0;min-height:24px;flex:1 1 auto;color:var(--status-error);overflow-wrap:anywhere}.muted,.empty-state{color:var(--text-tertiary);font-size:13px}.preference-summary{border:1px solid var(--border-default);border-radius:8px;padding:var(--space-5);background:var(--surface-secondary)}.preference-summary 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var(--border-subtle);border-radius:8px;padding:var(--space-4)}@media(max-width:959px){.app-shell{padding:var(--space-4)}.workspace{display:grid;grid-template-columns:1fr}.topbar,.topbar-actions{flex-wrap:wrap}body{overflow:auto}.app-shell{height:auto;min-height:100dvh;overflow:visible}.workspace,.conversation-panel,.results-stack{min-height:auto}.admin-shell{padding:var(--space-4)}.admin-login,.admin-grid,.admin-detail-grid{grid-template-columns:1fr}.admin-login{align-items:start;gap:var(--space-6)}.admin-detail-header,.admin-detail-actions{display:grid}}@media(max-width:560px){.app-shell{padding:var(--space-3)}.topbar{min-height:0;align-items:stretch;gap:var(--space-3);padding-bottom:var(--space-3)}.brand-lockup{width:100%}.brand-mark{width:40px;height:40px}.topbar h1{font-size:18px}.topbar-actions{width:100%;gap:var(--space-2)}.status-pill{margin-right:auto}.button-link{padding:0 var(--space-3)}.workspace{gap:var(--space-3)}.conversation-header,.composer,.preference-summary{padding:var(--space-4)}.conversation-header h2,h2{font-size:20px}.samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.samples button{width:100%;min-height:44px;padding:0 var(--space-1);font-size:12px}textarea{min-height:104px;font-size:16px}.composer-actions{align-items:stretch;flex-direction:column;gap:var(--space-2)}.composer-actions button{width:100%}#error-message:empty{min-height:0}.preference-summary .panel-header{align-items:flex-start}.preference-summary .panel-header.with-action button{padding:0 var(--space-3)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:1ms}}