:root{--bg:#f5f6f8;--card:#fff;--border:#e5e7eb;--text:#1f2937;--muted:#6b7280;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16a34a;--warning:#d97706}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Thonburi,Noto Sans Thai,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:1px solid transparent;border-radius:6px;padding:8px 14px;background:var(--primary);color:#fff}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:#fff;color:var(--text);border-color:var(--border)}button.secondary:hover{background:#f9fafb}button.danger{background:var(--danger)}button.ghost{background:transparent;color:var(--text)}input,select,textarea{font:inherit;width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px}.field{margin-bottom:14px}.field label{display:block;margin-bottom:4px;font-weight:600;color:var(--text)}.field .hint{color:var(--muted)}.field .error,.field .hint{font-size:12px;margin-top:4px}.field .error{color:var(--danger)}.btn-row{display:flex;gap:10px;align-items:center}table.data{width:100%;border-collapse:collapse;background:#fff}table.data td,table.data th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}table.data th{background:#f9fafb;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}table.data tr:hover td{background:#fafbfc}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.active{background:#dcfce7;color:var(--success)}.badge.expiring{background:#fef3c7;color:var(--warning)}.badge.expired{background:#fee2e2;color:var(--danger)}.badge.terminated{background:#e5e7eb;color:var(--muted)}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:#111827;color:#e5e7eb;padding:18px;flex-shrink:0}.sidebar .brand{font-size:16px;font-weight:700;color:#fff;margin-bottom:24px}.sidebar nav a{display:block;padding:9px 12px;border-radius:6px;color:#d1d5db;margin-bottom:2px}.sidebar nav a:hover{background:#1f2937;text-decoration:none;color:#fff}.sidebar .role-chip{margin-top:18px;font-size:12px;color:#9ca3af}.main{flex:1 1;padding:28px;overflow-x:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-header h1{margin:0;font-size:22px}.alert{padding:10px 14px;border-radius:6px;margin-bottom:14px}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}