.flight-calc-shell{--fc-blue:#1ca7ec;--fc-blue-dark:#1679a7;--fc-green:#7ac943;--fc-black:#1a1a1a;--fc-gray:#555;--fc-bg:#fff;--fc-border:#ddd}.flight-calc-section-title{font-size:26px;font-weight:700;color:#1a1a1a;margin:0 0 30px 0;text-align:center}.flight-calc-shell{width:100%;max-width:1200px;background:var(--fc-bg);border:1px solid var(--fc-border);border-radius:20px;box-shadow:0 10px 40px rgba(0,0,0,0.08);overflow:hidden;margin:0 auto}.flight-calc-content{padding:24px;display:grid;gap:20px}.flight-calc-progress{display:flex;gap:8px;justify-content:center}.flight-calc-step{flex:1;height:6px;border-radius:999px;background:#eee}.flight-calc-step.fill{background:linear-gradient(90deg,var(--fc-blue),var(--fc-green))}.flight-calc-card{background:var(--fc-bg);border:1px solid var(--fc-border);border-radius:16px;padding:18px}.flight-calc-card h3{margin-bottom:10px;font-size:16px;font-weight:700;color:var(--fc-black)}.flight-calc-card label{font-size:14px;color:var(--fc-gray);display:block;margin-bottom:6px}.flight-calc-card input[type="number"],.flight-calc-card select{width:100%;padding:12px;border:1px solid var(--fc-border);border-radius:10px;font-size:15px}.flight-calc-card input:focus,.flight-calc-card select:focus{outline:none;border-color:var(--fc-blue);box-shadow:0 0 0 3px rgba(28,167,236,0.3)}.flight-calc-card select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3e%3cpath fill='%23555' d='M0 0l6 8 6-8z'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:12px;padding-right:36px;cursor:pointer}.flight-calc-searchable-select{position:relative;width:100%}.flight-calc-searchable-select input{width:100%;padding:12px;padding-right:36px;border:1px solid var(--fc-border);border-radius:10px;font-size:15px;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3e%3cpath fill='%23555' d='M0 0l6 8 6-8z'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:12px}.flight-calc-searchable-select input:focus{outline:none;border-color:var(--fc-blue);box-shadow:0 0 0 3px rgba(28,167,236,0.3)}.flight-calc-dropdown{position:absolute;top:100%;left:0;right:0;max-height:300px;overflow-y:auto;background:white;border:1px solid var(--fc-border);border-top:none;border-radius:0 0 10px 10px;box-shadow:0 4px 12px rgba(0,0,0,0.1);z-index:1000;display:none;margin-top:-1px;-webkit-overflow-scrolling:touch}.flight-calc-dropdown.show{display:block}.flight-calc-dropdown-group{padding:8px 12px;font-weight:600;font-size:12px;color:var(--fc-blue-dark);background:#f8fcff;border-bottom:1px solid var(--fc-border);text-transform:uppercase}.flight-calc-dropdown-item{padding:12px;cursor:pointer;border-bottom:1px solid #f0f0f0;font-size:14px;color:var(--fc-black);transition:background 0.2s}.flight-calc-dropdown-item:hover,.flight-calc-dropdown-item:active{background:#f8fcff}.flight-calc-dropdown-item:last-child{border-bottom:none}.flight-calc-dropdown-empty{padding:20px;text-align:center;color:var(--fc-gray);font-size:14px}.flight-calc-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.flight-calc-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}.flight-calc-btn{padding:12px 18px;border:none;border-radius:8px;cursor:pointer;font-weight:700;font-size:15px}.flight-calc-btn-gray{background:#f5f5f5;color:var(--fc-black)}.flight-calc-btn-primary{background:linear-gradient(90deg,var(--fc-blue),var(--fc-green));color:#fff}.flight-calc-btn-primary:hover{filter:brightness(1.05)}.flight-calc-result{display:grid;gap:14px;text-align:center}.flight-calc-kpi{display:grid;grid-template-columns:1fr 1fr;gap:12px}.flight-calc-k{background:#f8fcff;border:1px solid var(--fc-blue);border-radius:14px;padding:16px}.flight-calc-k h3{font-size:14px;margin:0;color:var(--fc-blue-dark)}.flight-calc-k p{margin-top:6px;font-size:22px;font-weight:800;color:var(--fc-black)}.flight-calc-pill{display:inline-block;padding:6px 12px;background:var(--fc-blue);color:#fff;border-radius:999px;font-size:12px;margin:3px}.flight-calc-tip{font-size:13px;color:var(--fc-gray)}.flight-calc-footer{text-align:center;font-size:12px;color:#888;padding:12px;border-top:1px solid var(--fc-border);background:#fafafa}.flight-calc-footer span{font-weight:600;color:var(--fc-blue-dark)}@media (max-width:600px){.flight-calc-section-title{font-size:22px}.flight-calc-row{grid-template-columns:1fr}.flight-calc-actions{justify-content:center}.flight-calc-kpi{grid-template-columns:1fr}}