:root{--color-primary: #4f46e5;--color-primary-dark: #4338ca;--color-primary-light: #eef2ff;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-muted: #64748b;--color-danger: #ef4444;--color-success: #22c55e;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--header-height: 56px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background-color:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh;min-height:100dvh}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select{font-family:inherit;font-size:1rem}ul{list-style:none}.container{max-width:640px;margin:0 auto;padding:calc(var(--header-height) + 1rem) 1rem 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