@import url("https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,200..800&display=swap");:root{--font-body:"DM Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--bg-canvas:#fbfaf6;--bg-app:#000000;--panel-bg:rgba(8,8,10,0.9);--panel-bg-soft:rgba(8,8,10,0.68);--surface:rgba(12,12,14,0.98);--border:rgba(255,255,255,0.13);--border-strong:rgba(255,255,255,0.22);--text:rgba(255,255,255,0.98);--text-soft:rgba(255,255,255,0.78);--text-dim:rgba(255,255,255,0.52);--active:#f2eee2;--accent:#a6f755;--danger:#ff5f56;--shadow:rgba(0,0,0,0.34)}*{box-sizing:border-box}body,html{width:100%;min-height:100%;margin:0;overflow:hidden;background:var(--bg-app);color:var(--text);font-family:var(--font-body);letter-spacing:0}button,input,select,textarea{font:inherit;letter-spacing:0}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.app-shell{min-height:100svh;background:var(--bg-app)}.tool-logo{position:fixed;top:22px;left:24px;z-index:300;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:flex;flex-direction:column;gap:2px;mix-blend-mode:difference;text-transform:uppercase}.tool-logo-headline{color:rgba(255,255,255,.96);font-size:24px;font-weight:800;line-height:1}.tool-logo-subheadline{max-width:230px;color:rgba(255,255,255,.52);font-size:8px;font-weight:650;line-height:1.4;letter-spacing:.22em}.canvas-frame,.stage-column,.tool-shell{position:fixed;inset:0;width:100vw;height:100svh;overflow:hidden}.canvas-frame{background:var(--bg-canvas);isolation:isolate}.canvas-frame:before{position:absolute;inset:0;z-index:2;pointer-events:none;content:"";background:linear-gradient(90deg,rgba(0,0,0,.035) 1px,transparent 0),linear-gradient(180deg,rgba(0,0,0,.028) 1px,transparent 0);background-size:42px 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p{max-width:440px;margin:0;color:rgba(17,17,17,.68);font-size:.95rem;font-weight:600;line-height:1.45}.stage-meta{right:24px;z-index:80;gap:10px;color:rgba(0,0,0,.48);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;pointer-events:none}.control-panel,.stage-meta{position:fixed;bottom:20px;display:flex}.control-panel{left:68px;z-index:100;width:320px;max-height:min(80svh,760px);overflow-y:auto;flex-direction:column;gap:0;padding:16px 14px;border:1px solid var(--border);border-radius:16px;background:linear-gradient(135deg,var(--panel-bg),var(--panel-bg-soft));box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 20px 60px var(--shadow);-webkit-backdrop-filter:blur(24px) saturate(.82);backdrop-filter:blur(24px) saturate(.82);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.24) transparent}.mobile-panel-head{display:none}.control-panel-body{display:block}.panel-section{padding:12px 0;border-bottom:1px solid 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ease}.charset-button:hover,.preset-button:hover,.segment-button:hover{transform:translateY(-1px);border-color:rgba(242,238,226,.32);color:var(--text)}.charset-button[data-active=true],.segment-button[data-active=true]{border-color:rgba(242,238,226,.4);background:rgba(242,238,226,.16);color:var(--active)}.charset-grid,.preset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px}.pattern-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:6px;gap:6px;margin-bottom:14px}.preset-button{justify-content:flex-start;display:inline-flex;align-items:center;gap:8px;padding:0 10px;color:var(--text-soft)}.preset-swatch{width:18px;height:18px;flex:0 0 auto;border:1px solid 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