:root{--bg: #fff5f8;--bg-deep: #ffe9f0;--surface: #ffffff;--ink: #2b2440;--ink-soft: #6b6280;--pink: #ff5c8a;--pink-deep: #e8386c;--line: #f2dbe4;--danger: #d33a5a;--radius: 20px;--shadow: 0 10px 30px rgba(226, 106, 143, .16)}@media(prefers-color-scheme:dark){:root{--bg: #1a1522;--bg-deep: #241a2c;--surface: #241d2e;--ink: #f6eef5;--ink-soft: #b6a8bf;--line: #362b42;--shadow: 0 10px 30px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:linear-gradient(170deg,var(--bg),var(--bg-deep));color:var(--ink);font-family:ui-rounded,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}.screen{display:flex;flex-direction:column;height:100%;padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom))}.pair{align-items:center;justify-content:center;gap:12px;text-align:center;max-width:420px;margin:0 auto}.pair-mark{font-size:56px;animation:heartbeat 2.4s 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