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svg{width:1.1rem;height:1.1rem;stroke:currentColor;fill:none;stroke-width:1.6}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:none;background:var(--bg-surface);border-color:var(--primary-500);box-shadow:var(--shadow-primary-sm)}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1rem;padding-right:2.5rem}button{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;padding:.8rem 1.5rem;border-radius:var(--radius-md);font-weight:600;font-size:.95rem;cursor:pointer;transition:transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),filter var(--duration-fast) var(--ease-out);border:1px solid transparent;background:linear-gradient(135deg,var(--logo-blue-main),var(--logo-blue-light));color:var(--text-on-blue);box-shadow:var(--shadow-primary-md)}button:hover:not(:disabled){filter:brightness(110%);transform:translateY(-2px);box-shadow:var(--shadow-primary-lg)}button:active:not(:disabled){transform:translateY(0) scale(.98)}button:disabled{background:var(--slate-200);color:var(--slate-400);cursor:not-allowed;box-shadow:none}button.ghost{background:transparent;color:var(--text-blue-accent);border:1px solid var(--logo-blue-light);box-shadow:none}button.ghost:hover:not(:disabled){background:#6bb6f21a;border-color:var(--logo-blue-main);color:var(--logo-blue-dark)}button.danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 6px -1px #dc26264d}button.small{padding:.5rem 1rem;font-size:.85rem;border-radius:var(--radius-sm)}button.large{padding:1rem 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var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out);box-shadow:var(--shadow-sm);width:100%}.worksheet-list__item button:hover{border-color:var(--primary-300);transform:translateY(-3px);box-shadow:var(--shadow-md),var(--shadow-primary-sm)}.worksheet-list__item.active button{border-color:var(--primary-500);box-shadow:var(--shadow-primary-md)}.meta-list{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}.meta-list li{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border-subtle)}.meta-list li:last-child{border-bottom:none;padding-bottom:0}.meta-list span{color:var(--text-muted);font-size:.85rem;font-weight:600;letter-spacing:.01em}.meta-list strong{color:var(--slate-900);font-weight:600}.detail-grid>div+div{margin-top:1.5rem}.launch-page{min-height:100vh;display:flex;flex-direction:column}.launch-header{padding:1.5rem 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var(--ease-out);padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0)}.confirm-dialog{width:min(520px,92vw);background:var(--bg-surface);animation:scaleIn var(--duration-normal) var(--ease-out);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:0 20px 50px #0f172a40;border:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:1rem}.confirm-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:.5rem}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.pulsing-button{animation:pulse-shadow 2s infinite}@keyframes pulse-shadow{0%{box-shadow:0 0 #7c3aed66}70%{box-shadow:0 0 0 10px #7c3aed00}to{box-shadow:0 0 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