:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1f2937;background:#f3f4f6;--accent:#2457d6;--border:#d1d5db}
*{box-sizing:border-box} body{margin:0} button,input,select,textarea{font:inherit}
.app-header{display:flex;justify-content:space-between;align-items:center;padding:24px clamp(18px,4vw,52px);background:white;border-bottom:1px solid var(--border)}
h1{margin:0 0 4px;font-size:clamp(28px,4vw,42px)} h2{font-size:18px;margin:24px 0 12px}.app-header p,.preview-head p,footer p{margin:0;color:#6b7280}
.layout{display:grid;grid-template-columns:minmax(330px,460px) minmax(0,1fr);gap:20px;padding:20px;max-width:1500px;margin:auto}.panel{background:white;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 2px 10px #0000000a}
label{display:grid;gap:7px;margin:10px 0;font-weight:650} input[type=text],select,textarea{width:100%;border:1px solid var(--border);border-radius:9px;padding:10px 12px;background:white} textarea{resize:vertical;min-height:170px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.45}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.filebox{padding:14px;border:1px dashed #9ca3af;border-radius:10px;background:#f9fafb}.filebox input{font-weight:400}.filebox small,.hint{font-weight:400;color:#6b7280;font-size:13px}.button-row{display:flex;gap:8px}.wrap{flex-wrap:wrap}button{border:0;border-radius:9px;background:var(--accent);color:white;padding:10px 14px;font-weight:700;cursor:pointer}button.secondary,.tab{background:#eef2ff;color:#24355c}.tab.active{background:#24355c;color:white}.checkline{display:flex;align-items:center;gap:8px;font-weight:500}.badge{font-size:12px;border-radius:999px;background:#eef2ff;color:#24355c;padding:3px 8px}.status{min-height:20px;color:#374151;font-size:13px}
.pairs-editor{display:grid;gap:8px;max-height:350px;overflow:auto;padding-right:3px}.pair-row{display:grid;grid-template-columns:28px 1fr 1fr 32px;gap:6px;align-items:center}.pair-num{text-align:center;color:#6b7280;font-size:12px}.pair-row textarea{font-family:inherit;font-size:13px;line-height:1.35;text-align:center;min-height:56px;height:56px;resize:vertical;min-width:0;border:1px solid var(--border);border-radius:7px;padding:8px}.pair-row .remove{padding:7px;background:#f3f4f6;color:#9b1c1c}
.preview-panel{min-height:760px}.preview-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.tabs{display:flex;gap:5px}.preview-wrap{margin-top:12px;border:1px solid var(--border);border-radius:10px;overflow:auto;background:#fafafa}.preview-wrap svg{display:block;width:100%;height:auto;min-width:560px;background:white}.warning{padding:10px 12px;border:1px solid #f59e0b;background:#fffbeb;border-radius:8px;color:#7c4a03;margin-top:12px;font-size:13px}.hidden{display:none}footer{text-align:center;padding:10px 20px 28px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.preview-panel{min-height:0}}@media(max-width:520px){.grid2{grid-template-columns:1fr}.pair-row{grid-template-columns:25px 1fr 28px}.pair-row textarea:nth-of-type(2){grid-column:2}.app-header{align-items:flex-start;gap:10px}}
@media print{body{background:white}.app-header,.controls,.preview-head .tabs,#warningBox,footer{display:none!important}.layout{display:block;padding:0}.panel{border:0;box-shadow:none;padding:0}.preview-panel{min-height:0}.preview-head{display:block}.preview-head h2,.preview-head p{display:none}.preview-wrap{border:0;margin:0}.preview-wrap svg{width:100%;min-width:0}@page{size:A4 landscape;margin:8mm}}

.pair-row textarea[aria-invalid="true"]{border-color:#b45309;background:#fffbeb}