:root{--bg-main: #f8fafc;--bg-card: #ffffff;--border-color: #e2e8f0;--border-dark: #cbd5e1;--text-main: #0f172a;--text-muted: #64748b;--text-subtle: #94a3b8;--primary: #1e293b;--primary-hover: #0f172a;--green-text: #15803d;--green-bg: #dcfce7;--green-border: #bbf7d0;--red-text: #b91c1c;--red-bg: #fee2e2;--red-border: #fecaca}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:100%;margin:0 auto;padding:16px 20px 40px}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--border-color)}.brand-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:var(--text-main)}.brand-subtitle{font-size:.85rem;color:var(--text-muted)}.header-status{display:flex;align-items:center;gap:12px}.status-badge{font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:9999px;border:1px solid var(--border-color);background:#fff;display:inline-flex;align-items:center;gap:6px}.status-dot{width:7px;height:7px;border-radius:50%;background-color:#22c55e}.status-dot.mock{background-color:#f59e0b}.search-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:20px;margin-bottom:24px;box-shadow:0 1px 2px #0000000a}.search-grid{display:grid;grid-template-columns:1.5fr 1.5fr 1.2fr 1.5fr 1fr auto;gap:12px;align-items:flex-end}@media (max-width: 1024px){.search-grid{grid-template-columns:1fr 1fr}}@media (max-width: 640px){.search-grid{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:6px;position:relative}.form-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.form-input,.form-select{height:40px;padding:8px 12px;font-size:.9rem;color:var(--text-main);background:#fff;border:1px solid var(--border-color);border-radius:6px;outline:none;transition:border-color .15s ease}.form-input:focus,.form-select:focus{border-color:var(--text-main)}.btn-search{height:40px;padding:0 24px;font-size:.9rem;font-weight:600;color:#fff;background-color:var(--primary);border:none;border-radius:6px;cursor:pointer;transition:background-color .15s ease;white-space:nowrap}.btn-search:hover{background-color:var(--primary-hover)}.btn-search:disabled{opacity:.6;cursor:not-allowed}.autocomplete-list{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--border-color);border-radius:6px;margin-top:4px;max-height:240px;overflow-y:auto;z-index:50;box-shadow:0 4px 12px #00000014}.autocomplete-item{padding:10px 12px;font-size:.85rem;cursor:pointer;border-bottom:1px solid #f1f5f9;display:flex;justify-content:space-between}.autocomplete-item:last-child{border-bottom:none}.autocomplete-item:hover{background-color:#f8fafc}.airport-code{font-weight:700;color:var(--text-main)}.airport-city{color:var(--text-muted)}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.results-title{font-size:1rem;font-weight:700;color:var(--text-main)}.results-meta{font-size:.85rem;color:var(--text-muted)}.table-wrapper{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;overflow-x:auto;box-shadow:0 1px 2px #0000000a}.flight-table{width:100%;border-collapse:collapse;text-align:left;font-size:.8rem}.flight-table th{background-color:#f1f5f9;color:var(--text-muted);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;padding:8px;border-bottom:1px solid var(--border-color);white-space:nowrap}.flight-table th.th-grouped{background-color:#e2e8f0;color:var(--text-main);text-align:center;border-bottom:1px solid var(--border-color);font-weight:700;letter-spacing:.03em}.th-content{display:inline-flex;align-items:center;gap:4px;position:relative}.info-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;border-radius:50%;border:1px solid var(--border-dark);background-color:#fff;color:var(--text-muted);cursor:pointer;padding:0;transition:all .15s ease;vertical-align:middle}.info-icon-btn:hover,.info-icon-btn.active{border-color:var(--text-main);color:var(--text-main);background-color:#f1f5f9}.header-info-popover{position:absolute;top:calc(100% + 6px);left:0;background-color:#0f172a;color:#fff;padding:6px 10px;border-radius:6px;font-size:.72rem;font-weight:500;line-height:1.35;text-transform:none;letter-spacing:normal;white-space:normal;width:200px;box-shadow:0 4px 14px #0000002e;z-index:100;display:none}.header-info-popover:before{content:"";position:absolute;bottom:100%;left:10px;border-width:4px;border-style:solid;border-color:transparent transparent #0f172a transparent}.flight-table td{padding:7px 8px;border-bottom:1px solid var(--border-color);vertical-align:middle;white-space:nowrap}.flight-table tr:last-child td{border-bottom:none}.flight-table tr:hover{background-color:#f8fafc}.flight-airline{font-weight:600;font-size:.8rem;color:var(--text-main)}.flight-number{font-size:.68rem;color:var(--text-muted)}.flight-schedule{font-weight:600;font-size:.8rem;color:var(--text-main)}.flight-route-info{font-size:.68rem;color:var(--text-muted)}.price-tag{font-variant-numeric:tabular-nums;font-weight:600;font-size:.8rem}.b2c-price{color:var(--text-main)}.b2b-price{color:#0369a1;font-weight:700}.nta-price{color:var(--text-muted);font-size:.76rem}.diff-badge{display:inline-flex;align-items:center;font-size:.72rem;font-weight:700;padding:2px 5px;border-radius:4px;font-variant-numeric:tabular-nums;white-space:nowrap}.diff-positive{color:var(--green-text);background-color:var(--green-bg);border:1px solid var(--green-border)}.diff-negative{color:var(--red-text);background-color:var(--red-bg);border:1px solid var(--red-border)}.diff-zero{color:var(--text-muted);background-color:#f1f5f9;border:1px solid var(--border-color)}.text-positive{color:var(--green-text)!important;font-weight:600}.text-negative{color:var(--red-text)!important;font-weight:600}.text-zero{color:var(--text-muted)!important}.btn-detail{padding:3px 8px;font-size:.7rem;font-weight:600;color:var(--text-main);background:#fff;border:1px solid var(--border-color);border-radius:4px;cursor:pointer;transition:all .15s ease}.btn-detail:hover{background:#f1f5f9;border-color:var(--border-dark)}.empty-state,.loading-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.loading-spinner{width:28px;height:28px;border:3px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a66;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-content{background:#fff;border-radius:8px;border:1px solid var(--border-color);width:100%;max-width:580px;padding:24px;box-shadow:0 10px 25px #0000001a}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.1rem;font-weight:700}.btn-close{background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--text-muted)}.breakdown-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border-color);font-size:.875rem}.breakdown-row.total{border-top:2px solid var(--text-main);border-bottom:none;font-weight:700;margin-top:12px;padding-top:12px}