*{box-sizing:border-box}
:root{
  --bg:#f3f5f8;--card:#fff;--ink:#111827;--muted:#667085;--line:#d9dee7;
  --accent:#111827;--yellow:#ffe800;--blue:#2563eb;--danger:#b42318;--soft:#f8fafc;
  font-family:Inter,Arial,"Noto Sans KR",sans-serif
}
body{margin:0;background:var(--bg);color:var(--ink)}
button,input,select{font:inherit}
.app-header{background:#111827;color:#fff;padding:24px max(24px,calc((100vw - 1460px)/2));display:flex;justify-content:space-between;gap:24px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:800;color:#fde047}
h1{margin:4px 0 4px;font-size:28px} .app-header p{margin:0;color:#cbd5e1}
.page{max-width:1460px;margin:22px auto;padding:0 20px 36px;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(360px,.85fr);gap:18px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 18px rgba(16,24,40,.05);overflow:hidden}
.flight-card,.import-card,.manual-card{grid-column:1}.output-card{grid-column:2;grid-row:1/span 3;position:sticky;top:14px}
.section-head{min-height:64px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:12px}
.section-head>div:first-child{display:flex;align-items:center;gap:10px}.section-head h2{margin:0;font-size:17px}
.step{width:30px;height:30px;border-radius:8px;background:#111827;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:800}
.hint,.section-note{font-size:12px;color:var(--muted)} .section-note{margin:12px 16px}
.flight-grid{display:grid;grid-template-columns:1.15fr 1fr .75fr .75fr 1fr;gap:10px;padding:16px}
label{font-size:11px;font-weight:800;color:#475467;text-transform:uppercase}
input,select{width:100%;margin-top:6px;border:1px solid #cfd5df;border-radius:8px;background:#fff;padding:9px 10px;color:#111827;min-width:0}
input:focus,select:focus{outline:2px solid rgba(37,99,235,.16);border-color:#2563eb}
.btn{border:0;border-radius:8px;padding:9px 13px;font-weight:800;font-size:12px;cursor:pointer}
.btn-primary{background:#111827;color:white}.btn-ghost{background:#eef1f5;color:#111827;border:1px solid #d5dae3}
.file-btn{display:inline-flex;align-items:center}.compact-actions,.header-actions{display:flex;gap:8px;align-items:center}
.drop-zone{margin:14px 16px;border:1.5px dashed #98a2b3;border-radius:10px;background:#fafbfc;padding:18px;text-align:center;color:#475467}
.drop-zone.drag{background:#eff6ff;border-color:#2563eb}.drop-zone small{display:block;margin-top:5px;color:#98a2b3}
.status-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e4e7ec;border-top:1px solid #e4e7ec;border-bottom:1px solid #e4e7ec}
.status-row>div{background:#fff;padding:10px 14px;display:flex;align-items:baseline;gap:7px}.metric{font-size:20px;font-weight:900}.status-row small{font-size:10px;color:#667085}
.table-wrap{overflow:auto;max-height:520px}
table{width:100%;border-collapse:collapse;min-width:980px}
th{position:sticky;top:0;background:var(--yellow);z-index:2;padding:7px 6px;font-size:11px;border-bottom:1px solid #9ca3af;white-space:nowrap}
td{padding:4px;border-bottom:1px solid #e5e7eb;vertical-align:middle}
td input,td select{margin:0;padding:6px 7px;border-radius:5px;font-size:12px}
td:nth-child(1){text-align:center;width:35px;font-weight:700}.mini-check{width:18px;height:18px;margin:auto;display:block}
.icon-btn{border:0;background:transparent;color:#98a2b3;cursor:pointer;font-size:16px}.icon-btn:hover{color:#b42318}
.manual-card table{min-width:600px}.manual-total{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:12px;align-items:center}.manual-total span{color:#667085;font-size:12px}.manual-total strong{font-size:18px}
.output-head{background:#fff}.mode-switch{display:flex;border:1px solid #d0d5dd;border-radius:9px;overflow:hidden}.mode{border:0;background:#fff;padding:9px 16px;font-weight:900;cursor:pointer}.mode.active{background:#111827;color:#fff}
.output-toolbar{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.mode-badge{background:#fff4cc;color:#7a5b00;border:1px solid #f4d66a;font-weight:900;border-radius:999px;padding:6px 10px;font-size:12px}
.message-output{margin:0;padding:18px;background:#fbfcfe;min-height:560px;max-height:72vh;overflow:auto;white-space:pre-wrap;word-break:break-word;font-family:Consolas,"Courier New",monospace;font-size:15px;line-height:1.55}
.warnings{padding:0 14px 14px}.warning{background:#fff4ed;color:#9a3412;border:1px solid #fed7aa;padding:8px 10px;border-radius:8px;font-size:12px;margin-top:8px}
.sph-desc{display:block;color:#667085;font-size:10px;margin-top:3px;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
footer{text-align:center;color:#98a2b3;font-size:11px;padding:0 0 28px}
@media(max-width:1050px){
 .page{grid-template-columns:1fr}.flight-card,.import-card,.manual-card,.output-card{grid-column:1;grid-row:auto}.output-card{position:static}
 .flight-grid{grid-template-columns:repeat(2,1fr)}.message-output{min-height:360px;max-height:none}
}
@media(max-width:620px){
 .app-header{padding:18px;align-items:flex-start;flex-direction:column}.page{padding:0 10px;margin-top:10px}.flight-grid{grid-template-columns:1fr 1fr}.status-row{grid-template-columns:1fr 1fr}
 .section-head{align-items:flex-start;flex-direction:column}.output-toolbar{align-items:flex-start;gap:10px;flex-direction:column}.compact-actions{flex-wrap:wrap}
}