.vhhl-card{max-width:720px;margin:24px auto;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:16px;box-shadow:0 6px 24px rgba(0,0,0,.08);overflow:hidden}
.vhhl-card-header{padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.06);background:linear-gradient(180deg,#f8fafc,#ffffff)}
.vhhl-title{font-size:20px;font-weight:700;margin:0}
.vhhl-subtitle{font-size:13px;color:#5f6b7a;margin-top:4px}
.vhhl-card-body{padding:20px 24px}
.vhhl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:800px){.vhhl-grid{grid-template-columns:1fr}}
.vhhl-field{display:flex;flex-direction:column;gap:6px}
.vhhl-label{font-weight:600;font-size:13px;color:#1f2937}
.vhhl-input{appearance:none;border:1px solid #e5e7eb;border-radius:10px;padding:10px 12px;background:#fff;outline:none}
.vhhl-input:focus{border-color:#94a3b8;box-shadow:0 0 0 3px rgba(100,116,139,.15)}
.vhhl-actions{margin-top:16px;display:flex;justify-content:flex-end}
.vhhl-button{background:#111827;color:#fff;border:none;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer}
.vhhl-button:hover{filter:brightness(1.05)}
.notice{margin:16px auto;max-width:720px}

/* Stack layout */
.vhhl-stack{display:flex;flex-direction:column;gap:14px}
/* Result table */
.vhhl-result{margin-top:12px}
.vhhl-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid rgba(0,0,0,.08);border-radius:12px}
.vhhl-table th,.vhhl-table td{padding:12px 14px;text-align:left;font-size:14px}
.vhhl-table th{width:140px;background:#f8fafc;color:#374151;border-bottom:1px solid rgba(0,0,0,.06)}
.vhhl-table td{background:#fff;border-bottom:1px solid rgba(0,0,0,.06)}
.vhhl-badge{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:600;font-size:13px}
.vhhl-badge-ok{background:#ecfdf5;color:#065f46}
.vhhl-badge-warn{background:#fff7ed;color:#9a3412}
.vhhl-badge-bad{background:#fef2f2;color:#991b1b}

/* --- Refined UI --- */
.vhhl-card{max-width:820px;margin:28px auto;background:#ffffff;border:1px solid #e6e8eb;border-radius:18px;box-shadow:0 10px 30px rgba(16,24,40,.06)}
.vhhl-card-header{padding:22px 26px;border-bottom:1px solid #edf0f3;background:linear-gradient(180deg,#f7fafc 0%,#ffffff 100%)}
.vhhl-title{font-size:22px;line-height:1.2;font-weight:800;letter-spacing:.2px;color:#0f172a;margin:0}
.vhhl-subtitle{font-size:14px;color:#475569;margin-top:6px}
.vhhl-card-body{padding:22px 26px}
.vhhl-stack{display:flex;flex-direction:column;gap:16px}
.vhhl-field{display:flex;flex-direction:column;gap:8px}
.vhhl-label{font-weight:700;font-size:14px;color:#111827}
.vhhl-input{border:1px solid #d1d5db;border-radius:12px;padding:12px 14px;background:#fff;font-size:15px}
.vhhl-input:focus{border-color:#6b7280;box-shadow:0 0 0 4px rgba(107,114,128,.15);outline:0}
.vhhl-actions{margin-top:10px;display:flex;justify-content:flex-end}
.vhhl-button{background:#0f172a;color:#fff;border:none;border-radius:12px;padding:12px 18px;font-weight:800;font-size:14px;cursor:pointer;transition:transform .06s ease,filter .2s}
.vhhl-button:hover{filter:brightness(1.05)}
.vhhl-button:active{transform:translateY(1px)}
.vhhl-result{margin-top:18px}
.vhhl-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid #e6e8eb;border-radius:14px;overflow:hidden}
.vhhl-table th{width:160px;background:#f8fafc;color:#334155;border-bottom:1px solid #eef2f7}
.vhhl-table th,.vhhl-table td{padding:14px 16px;text-align:left;font-size:15px}
.vhhl-badge{display:inline-block;padding:8px 12px;border-radius:999px;font-weight:800;font-size:14px}
.vhhl-badge-ok{background:#ecfdf5;color:#065f46}
.vhhl-badge-warn{background:#fff7ed;color:#9a3412}
.vhhl-badge-bad{background:#fef2f2;color:#991b1b}
.notice{margin:16px auto;max-width:820px}