:root{--bg: #fdf6ec;--bg-accent: #e8f4f0;--card: #ffffff;--ink: #33383d;--ink-soft: #5b6167;--brand: #2a9d8f;--brand-dark: #1d7268;--sun: #f4a261;--sun-dark: #b25e14;--berry: #e76f51;--berry-dark: #b34324;--sky: #4c7fb5;--happy: #2e8b57;--shadow: 0 4px 14px rgba(51, 56, 61, .12);--radius: 22px;--focus: 3px solid #1d4ed8}*{box-sizing:border-box}html,body{margin:0;padding:0;background:linear-gradient(160deg,var(--bg) 0%,var(--bg-accent) 100%);min-height:100%;color:var(--ink);font-family:Avenir Next,Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100vh}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:var(--focus);outline-offset:2px}.app-shell{max-width:560px;margin:0 auto;padding:16px 16px 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