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52%,#09110f)}body:before{position:fixed;inset:0;z-index:-1;pointer-events:none;content:"";opacity:.34;background-image:linear-gradient(rgba(255,246,206,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,246,206,.035) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}button,input,select{font:inherit}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(117,217,196,.68);outline-offset:3px}button{cursor:pointer}button:disabled,input:disabled{cursor:not-allowed;opacity:.48}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{width:min(1500px,calc(100% - 32px));margin:0 auto;padding:24px 0 56px}.app-header,.hero-band,.workbench,.panel,.wave-panel,.result-panel,.drop-zone{border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding:12px 16px;border-radius:var(--radius);background:#09110fc2}.brand{display:inline-flex;align-items:center;gap:12px;min-height:48px;color:var(--text);text-decoration:none}.brand-mark{display:grid;place-items:center;width:48px;height:48px;color:#11201d;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),var(--accent))}.brand strong{display:block;font-family:var(--font-display);font-size:1.35rem;line-height:1.05}.brand small,.muted,.hint{color:var(--muted)}.header-badges{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.header-badges span,.hero-actions span,.hero-actions a{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:8px 12px;color:var(--text);text-decoration:none;border:1px solid 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minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px;color:var(--text);text-decoration:none;border:1px solid var(--line);background:#fff6ce0e}.download-card strong,.download-card small{display:block;overflow-wrap:anywhere}.download-card small{color:var(--muted)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.hero-band,.workbench{grid-template-columns:1fr}.hero-actions{grid-template-columns:repeat(4,minmax(0,1fr))}.status-panel{position:static}}@media(max-width:720px){.app-shell{width:min(100% - 20px,1500px);padding-top:10px}.app-header,.drop-zone,.wave-header{align-items:stretch;flex-direction:column}.header-badges,.hero-actions,.segmented,.metric-grid,.two-fields,.preset-grid{grid-template-columns:1fr}.header-badges{display:grid;justify-content:stretch}.hero-band,.workbench{padding:12px}h1{font-size:2.25rem}.upload-button,.wave-actions 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