:root{--color-primary: #dc2626;--color-primary-dark: #b91c1c;--color-primary-light: #fef2f2;--color-danger: #dc2626;--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-500: #6b7280;--color-gray-700: #374151;--color-gray-900: #111827;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 2px 4px rgba(0, 0, 0, .08);--radius: 6px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Sarabun,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--color-gray-50);color:var(--color-gray-900);line-height:1.4;font-size:14px;-webkit-font-smoothing:antialiased}.page{max-width:1200px;margin:0 auto;padding:.75rem}.card{background:var(--color-white);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1rem;margin-bottom:.75rem}.card-header{border-bottom:2px solid var(--color-primary);padding-bottom:.5rem;margin-bottom:.75rem}.card-title{font-size:1rem;font-weight:700;color:var(--color-primary)}.btn{display:inline-flex;align-items:center;gap:.25rem;padding:.35rem .75rem;border:none;border-radius:var(--radius);font-family:inherit;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s}.btn-primary{background:var(--color-primary);color:var(--color-white)}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-gray-100);color:var(--color-gray-700)}.btn-secondary:hover{background:var(--color-gray-200)}.btn-danger{background:var(--color-danger);color:var(--color-white)}.btn-danger:hover{background:var(--color-primary-dark)}.btn-sm{padding:.2rem .4rem;font-size:.7rem}input,select{width:100%;padding:.4rem .5rem;border:1px solid var(--color-gray-300);border-radius:var(--radius);font-family:inherit;font-size:.8rem}input:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}table{width:100%;border-collapse:collapse;background:var(--color-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}th{background:var(--color-primary);color:var(--color-white);text-align:left;padding:.5rem .75rem;font-weight:600;font-size:.8rem}td{padding:.5rem .75rem;border-bottom:1px solid var(--color-gray-100);font-size:.85rem}tr:hover{background:var(--color-primary-light)}.alert{padding:.75rem;border-radius:var(--radius);margin-bottom:.75rem}.alert-warning{background:#fff7ed;border-left:3px solid #f97316;color:#c2410c}.alert-danger{background:var(--color-primary-light);border-left:3px solid var(--color-primary);color:var(--color-primary-dark)}.badge{display:inline-block;padding:.15rem .4rem;border-radius:9999px;font-size:.65rem;font-weight:600}.badge-danger{background:var(--color-primary);color:var(--color-white)}.badge-warning{background:#f97316;color:var(--color-white)}.loading{display:flex;align-items:center;justify-content:center;padding:1.5rem;color:var(--color-gray-500)}.empty-state{text-align:center;padding:1.5rem;color:var(--color-gray-500)}