:root{--color-bg: #f4f6f8;--color-surface: #ffffff;--color-text: #1b1f24;--color-muted: #5f6b7a;--color-primary: #0a63c9;--color-primary-text: #ffffff;--color-danger: #c62828;--color-border: #d9dee5;--radius: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;min-width:320px;background:var(--color-bg);color:var(--color-text);font-family:var(--font);font-size:16px;line-height:1.4;-webkit-text-size-adjust:100%}#root{min-height:100vh;padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px))}h1{font-size:22px;margin:0 0 12px}.status{color:var(--color-muted);font-size:14px}