.skydrop-calc-card{--primary:#004aad;--bg:#fff;--text:#1f2937;--muted:#6b7280;--ring:#93c5fd;max-width:760px;margin:24px auto;background:var(--bg);border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.08);padding:20px;border:1px solid #e5e7eb;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";}.skydrop-header{display:flex;align-items:center;gap:12px;margin-bottom:10px;}.skydrop-logo{font-size:28px;}.skydrop-title h3{margin:0;color:var(--primary);}.skydrop-title p{margin:2px 0 0;color:var(--muted);font-size:14px;}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;}@media (max-width:720px){.grid{grid-template-columns:1fr;}}.field{display:flex;flex-direction:column;gap:6px;}.field label{font-weight:600;color:var(--text);font-size:14px;}.field input,.field select{appearance:none;padding:10px 12px;border:1px solid #e5e7eb;border-radius:10px;outline:none;transition:box-shadow .2s,border-color .2s,background .2s;background:#fafafa;}.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,74,173,.15);background:#fff;}.btn-primary{margin-top:10px;background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px 16px;cursor:pointer;transition:transform .08s ease,box-shadow .2s ease,background .2s ease;box-shadow:0 6px 16px rgba(0,74,173,.2);}.btn-primary:hover{background:#003a86;}.btn-primary:active{transform:translateY(1px);}.calc-hint{color:var(--muted);font-size:12px;margin-top:6px;}.result.hidden{display:none;}.result.show{display:block;animation:slideUp .28s ease-out;}@keyframes slideUp{from{transform:translateY(10px);opacity:0;}to{transform:translateY(0);opacity:1;}}.total-banner{margin-top:16px;background:linear-gradient(180deg,rgba(0,74,173,.06),rgba(0,74,173,.02));border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:12px;font-size:18px;}.total-banner strong{font-size:20px;}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid #e5e7eb;border-top-color:var(--primary);animation:spin 1s linear infinite;display:none;}.spinner-text{display:none;color:var(--muted);font-size:12px;}@keyframes spin{to{transform:rotate(360deg);}}.result.loading .spinner,.result.loading .spinner-text{display:inline-block;}.breakdown-wrap{margin-top:10px;}.collapse-toggle{background:transparent;border:1px solid #e5e7eb;padding:8px 12px;border-radius:10px;cursor:pointer;color:var(--primary);transition:background .2s,box-shadow .2s;}.collapse-toggle:hover{background:#f5f7fb;box-shadow:0 2px 6px rgba(0,0,0,.05);}.breakdown table{width:100%;border-collapse:collapse;margin-top:10px;}.breakdown td{padding:8px 6px;border-bottom:1px solid #eef2f7;}.notes{margin:10px 0 0 16px;color:#0f3c8a;}