:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--bg-main: #f8fafc;--bg-surface: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border-color: #e2e8f0;--success-bg: #d1fae5;--success-text: #065f46;--error-bg: #ffe4e6;--error-text: #9f1239;--warning-bg: #fef3c7;--warning-text: #92400e;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}button,input{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none}