:root{--bg:#f8fbff;--surface:#fff;--surface-variant:#eef3fb;--outline:#d6deea;--outline-strong:#b8c4d6;--text:#111827;--muted:#667085;--primary:#0b57d0;--primary-hover:#0847ae;--primary-soft:#e7f0ff;--success:#16833b;--danger:#b42318;--shadow:0 18px 50px #1f29371a;--radius-lg:24px;--radius-md:18px;--radius-sm:12px}*{box-sizing:border-box}html{background:var(--bg);min-height:100%}body{color:var(--text);background:radial-gradient(circle at 10% 0%, #0b57d014, transparent 28rem), linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);margin:0;font-family:Inter,Roboto,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}button,textarea,input,select,a{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0 148px}.hero-row,.panel-heading,.button-row{align-items:center;display:flex}.hero-row{justify-content:space-between;gap:24px;margin-bottom:0}.mode-panel{border:1px solid var(--outline);box-shadow:var(--shadow);background:#ffffffe0;border-radius:999px;grid-template-columns:repeat(2,minmax(0,1fr)) auto;align-items:center;gap:10px;margin-top:18px;padding:10px;display:grid}.mode-button{color:#344054;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:0;min-height:56px;padding:0 16px;font-weight:800;display:inline-flex}.mode-title-row{justify-content:center;align-items:center;gap:7px;min-width:0;line-height:1;display:inline-flex}.mode-title-row em{max-width:112px;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;background:#6670851a;border-radius:999px;padding:2px 7px;font-size:.72rem;font-style:normal;font-weight:900;overflow:hidden}.mode-button 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span{border:1px solid var(--outline);color:#344054;white-space:nowrap;background:#fbfdff;border-radius:999px;justify-content:center;align-items:center;min-height:38px;padding:0 12px;font-size:.88rem;font-weight:800;display:flex}.progress-modal-backdrop{z-index:40;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a57;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.progress-modal{border:1px solid var(--outline);border-radius:var(--radius-lg);background:#fffffff5;gap:16px;width:min(640px,100%);padding:20px;display:grid;box-shadow:0 28px 80px #0f172a47}.progress-modal-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.icon-button{border:1px solid 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132px;overflow-x:hidden}.hero-row{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:0}.mode-panel{border-radius:var(--radius-md);grid-template-columns:1fr 1fr}.mode-button{min-height:62px;padding:0 8px}.mode-button strong{white-space:normal;font-size:.68rem}.mode-title-row{gap:5px}.mode-title-row em{max-width:76px;padding:2px 5px;font-size:.66rem}.mode-limit{grid-column:1/-1}.local-worker-panel{flex-direction:column;align-items:stretch;padding:12px}.local-worker-actions{grid-template-columns:1fr 1fr;display:grid}h1{font-size:clamp(1.95rem,11vw,2.55rem)}.workspace-grid{grid-template-columns:1fr}.tool-panel{border-radius:var(--radius-md);padding:14px}.sheet-editor{height:var(--editor-mobile-height,330px);min-height:0}.sheet-grid,.sheet-row{grid-template-columns:38px 40px minmax(116px,1fr) minmax(132px,1fr) minmax(116px,1fr) minmax(132px,1fr)}.sheet-grid{min-width:610px;font-size:.88rem}.sheet-header-cell.action,.sheet-action-cell{left:38px}.sheet-header-cell,.sheet-row-number,.sheet-cell,.sheet-action-cell{min-height:36px}.sheet-cell{padding:0 10px;font-size:.88rem}.input-settings,.setting-card,.duration-setting{grid-template-columns:1fr}.setting-card{padding:12px}.result-video-panel,.settings-panel{border-radius:var(--radius-md);padding:14px}.result-video{max-height:52vh}.bottom-action-bar{border-radius:var(--radius-md);grid-template-columns:.9fr 1.1fr;gap:8px;width:calc(100% - 18px);padding:9px;bottom:10px}.bottom-action-bar .primary-button,.bottom-action-bar .download-button{white-space:nowrap;gap:7px;min-height:54px;padding:0 10px;font-size:.92rem}.status-chip{min-height:auto}.primary-button,.download-button{width:100%}.progress-detail{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-detail span{border-radius:var(--radius-sm);white-space:normal;justify-content:flex-start}}