:root{color-scheme:light;--ink: #151513;--muted: #6c6a62;--line: #d8d3c8;--panel: #fffefa;--ground: #f6f7f2;--teal: #006d68;--teal-dark: #004d4c;--amber: #f0a202;--red: #c53f3f;--green: #168a4a;--shadow: 0 18px 60px rgba(22, 22, 18, .08)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:linear-gradient(90deg,rgba(0,109,104,.05) 1px,transparent 1px),linear-gradient(rgba(0,109,104,.045) 1px,transparent 1px),var(--ground);background-size:34px 34px;color:var(--ink);font-family:Aptos,Segoe UI,Noto Sans KR,sans-serif}button,input,select{font:inherit}button{border:0}a{color:inherit}.app-shell{min-height:100vh;display:grid;gap:14px;padding:16px}.topbar,.main-grid,.insight-bar,.batch-tray,.site-footer{background:#fffefaed;border:1px solid var(--line);box-shadow:var(--shadow)}.topbar{min-height:70px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;padding:14px 18px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:30px;font-weight:900;letter-spacing:0}.brand svg{color:var(--teal)}.topbar h1{margin:0;font-size:17px;font-weight:750}.top-status{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);background:#f8f7f0;color:var(--teal-dark);font-size:14px;font-weight:800}.main-grid{display:grid;grid-template-columns:330px minmax(0,1fr) 360px;min-height:660px}.preset-rail,.control-panel{padding:20px}.preset-rail{border-right:1px solid var(--line)}.drop-zone{min-height:184px;border:2px dashed #bbb5a9;background:#fbfbf8;display:grid;place-items:center;text-align:center;gap:8px;padding:18px}.drop-zone input{display:none}.drop-zone svg{color:var(--teal)}.drop-zone strong{font-size:24px}.drop-zone span,.fine-print,.file-strip span,.preset-button small,.preview-footer,.site-footer,.insight-bar{color:var(--muted)}.drop-zone button,.primary-action,.secondary-action,.batch-tray button{min-height:42px;border-radius:4px;cursor:pointer;font-weight:850}.drop-zone button,.primary-action{background:var(--teal);color:#fff;padding:0 18px}.drop-zone button:disabled,.primary-action:disabled,.secondary-action:disabled,.batch-tray button:disabled{cursor:not-allowed;opacity:.48}.primary-action:disabled{background:#d8d1c3;color:#4e4942}.preset-list{margin-top:24px;display:grid;gap:10px}.section-label{color:var(--teal-dark);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.preset-button{min-height:66px;display:grid;grid-template-columns:42px 1fr;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:#fffefa;border-radius:5px;padding:10px;cursor:pointer;color:var(--ink)}.preset-button.active{border-color:var(--teal);background:#ecfbf7;box-shadow:inset 4px 0 0 var(--teal)}.preset-icon{width:38px;height:38px;display:grid;place-items:center;background:#111816;color:#fff}.preset-button strong,.preset-button small{display:block}.preset-button strong{margin-bottom:3px}.workspace{padding:20px;min-width:0}.empty-canvas,.preview-stage{min-height:620px}.empty-canvas{display:grid;place-items:center;text-align:center;padding:26px}.sample-print{width:min(520px,86%);aspect-ratio:4 / 3;border:1px solid var(--line);background:linear-gradient(45deg,#e4e0d7 25%,transparent 25%),linear-gradient(-45deg,#e4e0d7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e4e0d7 75%),linear-gradient(-45deg,transparent 75%,#e4e0d7 75%),#f8f6f0;background-size:28px 28px;background-position:0 0,0 14px,14px -14px,-14px 0;display:grid;overflow:hidden}.sample-sky{margin:50px;background:radial-gradient(circle at 70% 32%,rgba(240,162,2,.8),transparent 12%),linear-gradient(160deg,#d8f0f0,#83b9bf 47%,#114a4d 48%,#0b332e 72%,#f6f0df 73%)}.sample-grid{border-top:1px solid rgba(0,0,0,.12)}.empty-canvas p{margin:-120px 0 0;max-width:340px;line-height:1.6}.preview-stage{display:grid;grid-template-rows:auto 1fr auto;gap:16px}.file-strip{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fbfbf8;padding:14px}.file-strip strong,.file-strip span{display:block}.compare-grid{min-height:480px;display:grid;grid-template-columns:1fr 1fr;gap:1px;border:1px solid var(--line);background:var(--line)}.compare-grid figure{margin:0;background:#fffefa;display:grid;grid-template-rows:auto 1fr;min-width:0}.compare-grid figcaption{padding:14px;display:grid;gap:5px}.compare-grid figcaption span{color:var(--muted);font-size:14px}.compare-grid img,.processing-slot{width:100%;height:100%;min-height:400px;object-fit:contain;background:linear-gradient(45deg,#e6e6e0 25%,transparent 25%),linear-gradient(-45deg,#e6e6e0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e6e6e0 75%),linear-gradient(-45deg,transparent 75%,#e6e6e0 75%),#fbfbf8;background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0}.processing-slot{display:grid;place-items:center;color:var(--muted)}.preview-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-weight:800}.control-panel{border-left:1px solid var(--line);display:flex;flex-direction:column;gap:16px}.control-panel h2{margin:0;font-size:24px}.target-input{min-height:58px;display:grid;grid-template-columns:1fr 56px;border:1px solid var(--line);background:#fffefa}.target-input input{min-width:0;border:0;background:transparent;padding:0 16px;font-size:25px;font-weight:850}.target-input span{display:grid;place-items:center;border-left:1px solid var(--line);color:var(--muted);font-weight:850}.meter{height:10px;background:linear-gradient(90deg,#238b45,#f0a202 54%,#d94b42);position:relative}.meter span{position:absolute;left:var(--meter);top:50%;width:22px;height:22px;transform:translate(-50%,-50%);border:3px solid var(--teal);background:#fffefa;border-radius:50%}.result-state{min-height:42px;display:flex;align-items:center;gap:8px;color:var(--red);font-weight:850}.result-state.good{color:var(--green)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field-grid label,.range-field{display:grid;gap:7px;color:var(--muted);font-size:13px;font-weight:850}.field-grid input,.field-grid select{width:100%;min-height:44px;border:1px solid var(--line);background:#fffefa;color:var(--ink);padding:0 11px;border-radius:4px;font-size:16px;font-weight:750}.range-field span{display:flex;justify-content:space-between}.range-field input{accent-color:var(--teal)}.secondary-action,.batch-tray button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#f5f3ed;color:var(--ink)}.primary-action{display:inline-flex;align-items:center;justify-content:center;gap:8px}.fine-print{line-height:1.6;margin:auto 0 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10px;display:grid;gap:3px}.thumb-card strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thumb-card span{color:var(--muted);font-size:13px}.thumb-card button{position:absolute;top:8px;right:8px;width:30px;min-height:30px;padding:0;background:#151513b8;color:#fff}.add-card{display:grid;place-items:center;gap:8px;color:var(--muted);border-style:dashed;font-weight:850}.site-footer{min-height:54px;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.site-footer nav{display:flex;gap:14px}.site-footer a{text-decoration:none;font-weight:800}@media(max-width:1180px){.main-grid{grid-template-columns:280px minmax(0,1fr)}.control-panel{grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:end}.fine-print{margin:0}}@media(max-width:780px){.app-shell{padding:10px}.topbar,.main-grid,.insight-bar,.site-footer{display:flex;flex-direction:column;align-items:stretch}.brand{font-size:25px}.preset-rail,.control-panel{border:0}.preset-list{grid-template-columns:1fr}.workspace{padding:12px}.compare-grid{grid-template-columns:1fr}.compare-grid img,.processing-slot{min-height:270px}.control-panel{display:flex}.field-grid,.insight-bar,.thumb-row{grid-template-columns:1fr}}