:root{--page-bg:#f8fafc;--panel-bg:#fff;--panel-soft:#f9fafb;--border:#e5e7eb;--border-strong:#d1d5db;--text:#111827;--muted:#6b7280;--soft-muted:#9ca3af;--blue:#2563eb;--soft-blue:#eff6ff;--green:#059669;--shadow:0 20px 60px rgba(15,23,42,.08)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--page-bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.demo-page{min-height:100vh;padding:14px 24px;background:radial-gradient(circle at top left,rgba(37,99,235,.08),transparent 34%),linear-gradient(180deg,#f8fafc,#f3f4f6)}.topbar{max-width:1420px;height:62px;margin:0 auto 10px;justify-content:space-between}.logo-lockup,.topbar{display:flex;align-items:center}.logo-lockup{gap:14px}.fox-logo-image{width:58px;height:58px;display:block;flex:0 0 auto}.brand-copy{display:flex;flex-direction:column}.brand{font-size:25px;font-weight:800;letter-spacing:-.045em;line-height:1}.subtitle{margin-top:5px;font-size:15px;color:var(--muted);line-height:1.2}.ghost-button{border:1px solid var(--border);background:hsla(0,0%,100%,.9);color:var(--text);padding:9px 16px;border-radius:999px;box-shadow:0 1px 2px rgba(15,23,42,.04)}.ghost-button:hover{border-color:var(--border-strong);background:#fff}.shell{max-width:1420px;height:calc(100vh - 86px);min-height:620px;margin:0 auto;display:grid;grid-template-rows:42px minmax(0,1fr) clamp(132px,16vh,184px);background:hsla(0,0%,100%,.94);border:1px solid rgba(229,231,235,.9);border-radius:32px;box-shadow:var(--shadow);overflow:hidden}.model-strip{height:42px;padding:0 24px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--border);background:rgba(249,250,251,.84)}.model-dot{width:9px;height:9px;border-radius:999px;background:var(--green);box-shadow:0 0 0 4px rgba(5,150,105,.12)}.timeline{min-height:0;overflow-y:auto;overflow-x:hidden;padding:16px 24px 12px;scroll-behavior:smooth}.timeline-bottom-anchor{height:1px}.empty-state{max-width:820px;margin:54px auto 0;text-align:center}.eyebrow{display:inline-flex;padding:6px 11px;border-radius:999px;background:var(--soft-blue);color:var(--blue);font-size:13px;font-weight:650}.empty-state h1{margin:22px 0 12px;font-size:clamp(32px,5vw,52px);line-height:1.05;letter-spacing:-.05em}.empty-state p{margin:0 auto;max-width:680px;color:var(--muted);font-size:17px;line-height:1.7}.example-grid{margin:32px auto 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;max-width:820px}.example-grid button{border:1px solid var(--border);border-radius:18px;background:#fff;color:var(--text);padding:14px 16px;text-align:left;line-height:1.4}.example-grid button:hover{border-color:#bfdbfe;background:#f8fbff}.message{max-width:940px;margin:0 auto 12px}.message-label{margin-bottom:5px;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;font-weight:650}.message-label span{font-weight:500;color:var(--soft-muted)}.message-body{white-space:pre-wrap;line-height:1.55;font-size:15px}.message.user .message-body{display:inline-block;max-width:84%;padding:10px 14px;border-radius:18px;background:#f3f4f6}.message-assets{margin-top:7px;display:grid;grid-gap:7px;gap:7px}.message-asset{position:relative;display:flex;align-items:center;gap:10px;max-width:620px;min-height:56px;border:1px solid var(--border);background:#fff;border-radius:15px;padding:6px 8px}.message-asset-copy{min-width:0;flex:1 1 auto}.message-asset-copy strong{display:block;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.message-asset-copy span{display:block;margin-top:2px;color:var(--muted);font-size:11px}.workflow-card{margin-top:14px;border:1px solid #bfdbfe;border-radius:22px;background:linear-gradient(180deg,#eff6ff,#fff 96%);padding:16px;box-shadow:0 14px 36px rgba(37,99,235,.08)}.workflow-card-header{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:14px}.workflow-card-eyebrow{color:var(--blue);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.06em}.workflow-card h3{margin:5px 0 0;color:var(--text);font-size:18px;line-height:1.25;letter-spacing:-.03em}.workflow-mode-pill{flex:0 0 auto;border:1px solid #bfdbfe;background:#fff;color:var(--blue);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.workflow-step-list{display:grid;grid-gap:10px;gap:10px}.workflow-step-card{display:grid;grid-template-columns:28px 1fr;grid-gap:10px;gap:10px;border:1px solid var(--border);border-radius:16px;background:#fff;padding:12px}.workflow-step-number{width:28px;height:28px;border-radius:999px;background:var(--soft-blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900}.workflow-step-body h4{margin:2px 0 5px;color:var(--text);font-size:14px}.workflow-step-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.workflow-step-tags{margin-top:8px;display:flex;flex-wrap:wrap;gap:5px}.workflow-step-tags span{display:inline-flex;border-radius:999px;background:#f3f4f6;color:var(--muted);padding:4px 8px;font-size:11px;font-weight:700}.workflow-model-line{margin-top:10px;color:var(--text);font-size:13px}.workflow-reasons{margin:7px 0 0;padding-left:17px;color:var(--muted);font-size:12px;line-height:1.45}.workflow-alternatives{margin-top:8px;color:var(--soft-muted);font-size:12px}.workflow-summary-note{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.45}.workflow-action-bar{max-width:940px;width:100%;margin:0 auto 2px;min-height:40px;border:1px solid #bfdbfe;border-radius:14px;background:#eff6ff;padding:7px 9px;display:flex;align-items:center;justify-content:space-between;gap:12px}.workflow-action-bar strong{display:block;color:var(--text);font-size:12px;line-height:1.2}.workflow-action-bar span{display:block;color:var(--muted);font-size:11px;line-height:1.2;margin-top:2px}.workflow-action-bar button{border:none;border-radius:999px;background:var(--blue);color:#fff;font-size:12px;font-weight:800;padding:8px 12px;white-space:nowrap}.workflow-action-bar button:hover{background:#1d4ed8}.workflow-action-bar.complete{background:#ecfdf5;border-color:#a7f3d0}.asset-visual{display:block;object-fit:cover;background:#f3f4f6;flex:0 0 auto}.asset-visual-message{width:44px;height:44px;border-radius:11px}.asset-visual-composer{width:24px;height:24px;border-radius:7px}.asset-fallback{display:flex;align-items:center;justify-content:center;color:var(--muted);text-transform:uppercase;background:#f3f4f6;flex:0 0 auto}.asset-fallback-message{width:44px;height:44px;border-radius:11px;font-size:10px;padding:4px;text-align:center}.asset-fallback-composer{width:24px;height:24px;border-radius:7px;font-size:8px;padding:3px;text-align:center}.asset-preview-small-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;border:1px solid #bfdbfe;background:#eff6ff;color:var(--blue);border-radius:999px;font-weight:800;line-height:1;white-space:nowrap;z-index:3}.asset-preview-small-button:hover{background:#dbeafe;border-color:#93c5fd}.asset-preview-small-button:focus-visible{outline:2px solid rgba(37,99,235,.45);outline-offset:2px}.message-preview-button{height:22px;padding:0 10px;font-size:11px;margin-left:auto}.composer-preview-button{height:20px;padding:0 8px;font-size:10px;margin-left:auto}.status-line{max-width:940px;margin:0 auto 8px;color:var(--muted);font-size:13px}.composer-wrap{min-height:0;height:100%;padding:7px 20px 10px;border-top:1px solid var(--border);background:rgba(249,250,251,.98);display:grid;grid-template-rows:auto auto auto auto;align-content:end;grid-row-gap:4px;row-gap:4px;overflow:hidden}.composer-asset-strip{max-width:940px;width:100%;margin:0 auto;display:flex;align-items:center;gap:8px;min-height:34px;overflow:hidden}.composer-asset-title{color:var(--muted);font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;flex:0 0 auto}.composer-asset-list{display:flex;gap:6px;overflow-x:auto;overflow-y:hidden;padding-bottom:1px}.composer-asset-list::-webkit-scrollbar{height:3px}.composer-asset-list::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:999px}.composer-asset-chip{position:relative;display:flex;align-items:center;gap:6px;width:244px;min-width:244px;height:34px;border:1px solid var(--border);background:#fff;border-radius:10px;padding:4px 28px 4px 6px;overflow:visible}.composer-asset-copy{min-width:0;flex:1 1 auto}.composer-asset-copy strong{display:block;max-width:78px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;line-height:1.1}.composer-asset-copy span{display:none}.asset-remove-button{position:absolute;top:9px;right:6px;width:15px;height:15px;border:none;border-radius:999px;background:#f3f4f6;color:var(--muted);display:flex;align-items:center;justify-content:center;line-height:1;font-size:12px;font-weight:700;z-index:4}.asset-remove-button:hover{background:#e5e7eb;color:var(--text)}.drop-hint{max-width:940px;margin:0 auto;color:var(--muted);text-align:center;font-size:10px;line-height:1.1}.drop-hint.active{color:var(--blue);font-weight:700}.composer{max-width:940px;width:100%;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;grid-gap:8px;gap:8px;align-items:center;border:1px solid var(--border-strong);background:#fff;border-radius:17px;padding:5px 6px;box-shadow:0 8px 26px rgba(15,23,42,.05)}.composer textarea{width:100%;min-height:29px;max-height:58px;resize:none;border:none;outline:none;padding:5px 4px;font-size:14px;line-height:1.3;background:transparent;color:var(--text)}.icon-button,.send-button{width:30px;height:30px;border-radius:999px;border:none;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.icon-button{background:#f3f4f6;color:var(--text)}.icon-button:hover{background:#e5e7eb}.send-button{background:#8aa7ff;color:#fff}.send-button:hover{background:var(--blue)}.hidden-file{display:none}.smart-select-overlay{position:fixed;inset:0;z-index:999999;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.32);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.smart-select-modal{width:min(880px,100%);border:1px solid #bfdbfe;border-radius:24px;background:linear-gradient(180deg,#eff6ff,#fff);box-shadow:0 30px 90px rgba(15,23,42,.25),inset 0 0 0 1px hsla(0,0%,100%,.65);padding:20px}.smart-select-modal-header{display:flex;justify-content:space-between;gap:18px}.smart-select-eyebrow{color:var(--blue);font-size:13px;font-weight:800}.smart-select-modal h2{margin:6px 0 0;color:var(--text);font-size:22px;line-height:1.15;letter-spacing:-.035em}.smart-select-modal p{margin:8px 0 0;max-width:680px;color:var(--muted);font-size:14px;line-height:1.45}.smart-select-close{width:34px;height:34px;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--muted);font-size:22px;line-height:1}.smart-select-close:hover{color:var(--text);border-color:var(--border-strong)}.smart-select-context{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}.smart-select-context span{display:inline-flex;border:1px solid #bfdbfe;background:#fff;color:var(--blue);border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}.smart-select-modal-options{margin-top:16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.smart-select-modal-option{min-height:156px;border:1px solid var(--border);border-radius:18px;background:#fff;padding:14px;text-align:left;transition:border-color .12s ease,transform .12s ease,box-shadow .12s ease}.smart-select-modal-option:hover:not(:disabled){border-color:#93c5fd;box-shadow:0 14px 36px rgba(37,99,235,.12);transform:translateY(-2px)}.smart-select-option-rank{color:var(--blue);font-size:13px;font-weight:850}.smart-select-option-model{margin-top:8px;color:var(--text);font-size:15px;font-weight:800;line-height:1.25}.smart-select-option-reason{margin-top:9px;color:var(--muted);font-size:13px;line-height:1.4}.smart-select-option-action{margin-top:14px;color:var(--blue);font-size:13px;font-weight:800}.asset-preview-overlay{position:fixed;inset:0;z-index:2147483647;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.32);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.asset-preview-modal{width:min(980px,100%);max-height:88vh;border:1px solid var(--border);border-radius:24px;background:#fff;box-shadow:0 30px 90px rgba(15,23,42,.25),inset 0 0 0 1px hsla(0,0%,100%,.65);padding:18px;display:flex;flex-direction:column}.asset-preview-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.asset-preview-eyebrow{color:var(--blue);font-size:13px;font-weight:800}.asset-preview-header h2{margin:5px 0 0;color:var(--text);font-size:20px;line-height:1.2;letter-spacing:-.03em}.asset-preview-header p{margin:5px 0 0;color:var(--muted);font-size:13px}.asset-preview-close{width:34px;height:34px;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--muted);font-size:22px;line-height:1}.asset-preview-close:hover{color:var(--text);border-color:var(--border-strong)}.asset-preview-body{min-height:360px;height:min(64vh,640px);border:1px solid var(--border);border-radius:18px;background:#f9fafb;overflow:hidden;display:flex;align-items:center;justify-content:center}.asset-preview-image{width:100%;height:100%;object-fit:contain;background:#f9fafb}.asset-preview-frame-full{width:100%;height:100%;border:none;background:#fff}.asset-preview-empty{color:var(--muted);font-size:14px}.asset-preview-footer{margin-top:12px;display:flex;justify-content:flex-end}.asset-preview-footer a{color:var(--blue);font-size:13px;font-weight:750;text-decoration:none}.asset-preview-footer a:hover{text-decoration:underline}@media (max-width:900px){.demo-page{padding:10px}.topbar{height:54px;margin-bottom:8px}.fox-logo-image{width:48px;height:48px}.brand{font-size:21px}.subtitle{font-size:13px}.shell{height:calc(100vh - 72px);min-height:560px;border-radius:24px;grid-template-rows:40px minmax(0,1fr) clamp(168px,24vh,220px)}.model-strip{height:40px}.timeline{padding:14px 12px 0}.example-grid{grid-template-columns:1fr}.message,.message-asset,.message.user .message-body{max-width:100%}.workflow-card{padding:12px;border-radius:18px}.workflow-card-header{flex-direction:column}.workflow-step-card{grid-template-columns:24px 1fr;padding:10px}.workflow-step-number{width:24px;height:24px}.workflow-action-bar{align-items:flex-start;flex-direction:column}.workflow-action-bar button{width:100%}.composer-wrap{padding:8px 10px 10px;row-gap:4px}.composer-asset-strip{align-items:flex-start;flex-direction:column;gap:4px;min-height:34px}.composer-asset-title{display:none}.smart-select-overlay{padding:16px;align-items:flex-end}.smart-select-modal{padding:16px;border-radius:22px}.smart-select-modal-options{grid-template-columns:1fr}.smart-select-modal-option{min-height:auto}.asset-preview-overlay{padding:14px;align-items:flex-end}.asset-preview-modal{max-height:92vh;border-radius:22px;padding:14px}.asset-preview-body{min-height:300px;height:62vh}}