:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-light: #eef2ff;--color-accent: #7c3aed;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-secondary: #64748b;--color-border: #e2e8f0;--color-danger: #ef4444;--color-danger-hover: #dc2626;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--radius: 12px;--radius-sm: 8px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}input,textarea,button{font-family:inherit;font-size:inherit}.btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;cursor:pointer;transition:background var(--transition),transform var(--transition)}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;background:transparent;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-weight:500;font-size:.875rem;cursor:pointer;transition:background var(--transition),border-color var(--transition)}.btn-secondary:hover{background:var(--color-bg);border-color:var(--color-text-secondary)}.btn-back{display:inline-flex;align-items:center;gap:.25rem;padding:.5rem 1rem;background:transparent;color:var(--color-text-secondary);border:none;border-radius:var(--radius-sm);font-weight:500;font-size:.875rem;cursor:pointer;transition:color var(--transition),background var(--transition)}.btn-back:hover{color:var(--color-text);background:var(--color-primary-light)}.btn-edit{display:inline-flex;align-items:center;padding:.5rem 1rem;background:var(--color-primary-light);color:var(--color-primary);border:none;border-radius:var(--radius-sm);font-weight:500;font-size:.875rem;cursor:pointer;transition:background var(--transition)}.btn-edit:hover{background:#ddd6fe}