#app{min-height:100vh}:root{--color-bg: #f8fafc;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f1f5f9;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-secondary: #64748b;--color-primary: #0ea5e9;--color-primary-hover: #0284c7;--color-error: #dc2626;--color-error-bg: #fef2f2;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5}input,button,textarea{font-family:inherit}button{cursor:pointer}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:800px;margin:0 auto;padding:20px}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-size:13px;color:var(--color-text-secondary)}.form-group input,.form-group textarea{width:100%;padding:10px 12px;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:14px}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary)}.error{background:var(--color-error-bg);color:var(--color-error);padding:12px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}