:root{--font-system:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;--slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;--slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;--slate-800:#1e293b;--slate-900:#0f172a;--slate-950:#020617;--apple-blue:#0071e3;--apple-blue-hover:#0077ed;--apple-teal:#06b6d4;--apple-green:#34c759;--apple-orange:#ff9500;--apple-red:#ff3b30;--apple-purple:#af52de;--bg-canvas:#f8fafc;--surface-card:#fff;--surface-card-muted:#f1f5f9;--surface-overlay:#0f172a80;--glass-bg:#ffffffd9;--glass-bg-subtle:#ffffffb3;--glass-border:#0f172a14;--glass-blur:blur(24px);--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--border-focus:#0f172a;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-lg:0 12px 32px #0f172a14, 0 2px 6px #0f172a0a;--shadow-dock:0 20px 40px #0f172a1f, 0 1px 3px #0f172a0f;--spring-bounce:cubic-bezier(.175, .885, .32, 1.15);--spring-snappy:cubic-bezier(.16, 1, .3, 1);--ease-natural:cubic-bezier(.25, 1, .5, 1);--touch-min-height:54px;--touch-padding-x:24px;--touch-radius:16px;--card-radius:20px}*,:before,:after{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}html,body,#root{background-color:var(--bg-canvas);width:100vw;height:100vh;color:var(--slate-900);font-family:var(--font-system);-webkit-user-select:none;user-select:none;overflow:hidden}button,[role=button]{cursor:pointer;touch-action:manipulation;background:0 0;border:none;outline:none;font-family:inherit}.apple-touch-btn{min-height:var(--touch-min-height);padding:0 var(--touch-padding-x);border-radius:var(--touch-radius);transition:transform .12s var(--spring-bounce), background-color .15s ease, box-shadow .15s ease;will-change:transform;justify-content:center;align-items:center;font-size:1.05rem;font-weight:600;display:inline-flex}.apple-touch-btn:active{transform:scale(.96)}.apple-touch-btn.primary{background-color:var(--slate-900);color:#fff;box-shadow:var(--shadow-sm)}.apple-touch-btn.primary:hover{background-color:var(--slate-800);box-shadow:var(--shadow-md)}.apple-touch-btn.secondary{background-color:var(--slate-100);color:var(--slate-800);border:1px solid var(--border-subtle)}.apple-touch-btn.secondary:hover{background-color:var(--slate-200)}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:var(--shadow-lg);border-radius:var(--card-radius)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--slate-300);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--slate-400)}.app-stage-container{background:radial-gradient(circle at 50% 0,#f1f5f9 0%,#f8fafc 100%);flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.island-header{z-index:50;justify-content:space-between;align-items:center;width:min(94vw,1380px);height:72px;padding:0 24px;display:flex;position:absolute;top:18px;left:50%;transform:translate(-50%)}.stage-viewport{flex:1;justify-content:center;align-items:center;width:100%;max-width:1520px;margin:104px auto 100px;padding:0 32px;display:flex;position:relative;overflow:hidden}.stage-card-wrapper{border:1px solid var(--border-subtle);border-radius:var(--card-radius);width:100%;height:100%;box-shadow:var(--shadow-lg);background:#fff;flex-direction:column;padding:32px 36px;display:flex;position:relative;overflow-y:auto}.touch-dock{z-index:50;justify-content:space-between;align-items:center;width:min(92vw,1080px);height:74px;padding:0 28px;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.stage-title{color:var(--slate-900);letter-spacing:-.02em;margin-bottom:6px;font-size:1.85rem;font-weight:700}.stage-subtitle{color:var(--slate-500);margin-bottom:20px;font-size:1.12rem}.stage-grid-2col{grid-template-columns:1.05fr 1fr;align-items:start;gap:28px;height:100%;display:grid}.apple-badge{border-radius:999px;align-items:center;gap:6px;padding:6px 14px;font-size:.88rem;font-weight:600;display:inline-flex}.apple-badge.neutral{background:var(--slate-100);color:var(--slate-700);border:1px solid var(--slate-200)}.apple-badge.success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0}.apple-badge.accent{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe}