:root{--bg: #f3f6f2;--surface: #ffffff;--surface-2: #eaf0eb;--ink: #1b2420;--muted: #5b6862;--line: #d6dfd9;--brand: #1f6b52;--on-brand: #ffffff;--chalk: #f0bf45;--ok: #1e7346;--warn: #8a5700;--danger: #b3261e;--danger-bg: #fde8e6;--shadow: 0 1px 2px rgba(20, 40, 30, .06), 0 6px 18px rgba(20, 40, 30, .06);--paper: #ffffff;--paper-ink: #1d2421;--paper-muted: #66716c;--paper-line: #9ea9a3;--paper-soft: #f2f5f3;--f-display: "Jua", "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--f-body: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;--r: 12px}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #111714;--surface: #19211d;--surface-2: #212b26;--ink: #e6ede8;--muted: #9caaa3;--line: #2d3a33;--chalk: #e8b740;--ok: #5fc48d;--warn: #e3ac4a;--danger: #f08a80;--danger-bg: #3a1d1a;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 22px rgba(0, 0, 0, .25);color-scheme:dark}}:root[data-theme=dark]{--bg: #111714;--surface: #19211d;--surface-2: #212b26;--ink: #e6ede8;--muted: #9caaa3;--line: #2d3a33;--chalk: #e8b740;--ok: #5fc48d;--warn: #e3ac4a;--danger: #f08a80;--danger-bg: #3a1d1a;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 22px rgba(0, 0, 0, .25);color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.55;word-break:keep-all;overflow-wrap:anywhere}body.no-scroll{overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3{text-wrap:balance;margin:0}code{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.9em;background:var(--surface-2);padding:1px 6px;border-radius:6px}small{font-size:.82em}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}:focus-visible{outline:3px solid var(--chalk);outline-offset:2px}.wrap{max-width:980px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.main{padding-block:20px 120px;display:flex;flex-direction:column;gap:16px}.loading{padding:60px 16px;text-align:center;color:var(--muted)}.eyebrow{margin:0;font-size:12px;letter-spacing:.06em;opacity:.85}.h2{font-family:var(--f-display);font-weight:400;font-size:1.45rem;line-height:1.3}.h3{font-size:1.05rem;font-weight:700}.muted{color:var(--muted);margin:0}.label{font-weight:600;margin:8px 0 0}.lead{font-size:1.02rem;color:var(--muted);margin:0;max-width:34em}.note{margin:0;padding:10px 12px;border-radius:10px;background:var(--surface-2);font-size:.92rem}.empty{color:var(--muted);padding:24px 0;margin:0;text-align:center}.empty.sm{padding:8px 0 4px;text-align:left}.error-text{color:var(--danger)}.num{font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 16px;border-radius:10px;border:1px solid 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0;color:inherit;text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-size:.92rem}.btn-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.row-between{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.row-end{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.back{background:none;border:0;padding:6px 0;cursor:pointer;color:var(--muted);font-weight:600;align-self:flex-start}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field>span{font-weight:600;font-size:.92rem}.field>span small{font-weight:400;color:var(--muted)}.field.inline{flex-direction:row;align-items:center;gap:8px}input[type=text],input[type=email],input[type=password],input[type=number],input[type=time],input[type=date],input:not([type]),select,textarea{width:100%;min-height:42px;padding:8px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}textarea{min-height:110px;resize:vertical;line-height:1.6}input[type=color]{width:64px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:4px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 22%,transparent)}.check{display:flex;gap:8px;align-items:flex-start;cursor:pointer}.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:none}.stack{display:flex;flex-direction:column;gap:14px}.grid-form{display:grid;gap:14px}.grid-form.two{grid-template-columns:repeat(2,minmax(0,1fr))}.span2{grid-column:1 / -1}.inline-form{display:flex;gap:8px;flex-wrap:wrap}.inline-form input{flex:1 1 200px}.inline-form select{flex:0 1 180px}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{position:relative;cursor:pointer}.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}.chip span{display:inline-block;min-width:40px;text-align:center;padding:6px 11px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.9rem}.chip input:checked+span{background:var(--brand);border-color:var(--brand);color:var(--on-brand);font-weight:600}.chip input:focus-visible+span{outline:3px solid var(--chalk);outline-offset:1px}fieldset{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px 14px;margin:0;min-width:0;display:flex;flex-direction:column;gap:12px}legend{font-weight:700;padding:0 6px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:14px;min-width:0}.panel.narrow{max-width:520px;width:100%;margin:0 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em{background:var(--brand);color:var(--on-brand)}.grade-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;max-width:620px}.grade-btn{aspect-ratio:1 / 1;max-width:100%;border-radius:14px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.9rem;color:var(--muted)}.grade-btn b{font-family:var(--f-display);font-weight:400;font-size:2.2rem;line-height:1;color:var(--ink)}.grade-btn:hover{border-color:var(--brand)}.grade-btn.on{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}.grade-btn.on b{color:var(--on-brand)}.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.cat-card{position:relative;display:flex;gap:14px;align-items:flex-start;text-align:left;padding:16px;border-radius:14px;border:1px solid var(--line);background:var(--surface);cursor:pointer;min-width:0}.cat-card:hover{border-color:var(--c-line);box-shadow:var(--shadow)}.cat-swatch{flex:none;width:40px;height:40px;border-radius:10px;background:var(--c-bg);border:2px solid var(--c-line)}.cat-text{display:flex;flex-direction:column;gap:3px;min-width:0}.cat-text b{font-size:1.05rem}.cat-text small{color:var(--muted)}.cat-text em{font-style:normal;font-size:.85rem;color:var(--muted)}.badge{position:absolute;top:12px;right:12px;background:var(--chalk);color:#2b2100;font-size:.78rem;font-weight:700;padding:2px 9px;border-radius:999px}.picked{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:8px}.picked ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.picked li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 8px 8px 14px;border-radius:10px;background:var(--surface);border:1px solid var(--line)}.picked small{color:var(--muted)}.cat-title{padding-left:14px;border-left:6px solid var(--c-line)}.prog-list{display:flex;flex-direction:column;gap:12px}.prog{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px}.prog.picked{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.prog-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.prog .meta,.prog .desc,.fee-parts{margin:0;color:var(--muted);font-size:.9rem}.prog .desc{color:var(--ink)}.fee-tag{text-align:right;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;display:flex;flex-direction:column}.fee-tag small{font-weight:400;color:var(--muted)}.fee-tag.free{color:var(--ok)}.sec-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}.sec{text-align:left;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;display:flex;flex-direction:column;gap:2px;min-width:0}.sec b{font-size:1rem}.sec span{font-variant-numeric:tabular-nums;font-size:.9rem}.sec small{color:var(--muted)}.sec:hover{border-color:var(--brand)}.sec.on{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}.sec.on small{color:var(--on-brand);opacity:.85}.sec.on b:after{content:" ✓"}.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 20px #0000000f;padding-bottom:env(safe-area-inset-bottom,0px)}.bottom-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:10px}.bottom-in .sep{color:var(--muted)}.sheet-actions{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);padding-block:8px}.paper{background:var(--paper);color:var(--paper-ink);border-radius:14px;border:1px solid var(--line);padding:4px;overflow:hidden}.sheet{background:var(--paper);color:var(--paper-ink);padding:22px 22px 26px;display:flex;flex-direction:column;gap:14px;font-family:var(--f-body)}.sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;border-bottom:2px solid var(--paper-ink);padding-bottom:12px}.sheet-kicker{margin:0;font-size:12px;color:var(--paper-muted);letter-spacing:.04em}.sheet-title{font-family:var(--f-display);font-weight:400;font-size:1.8rem;line-height:1.2}.sheet-school{margin:2px 0 0;font-weight:600}.sheet-id{border-collapse:collapse;font-size:13px;min-width:210px}.sheet-id th,.sheet-id td{border:1px solid var(--paper-line);padding:4px 10px;text-align:left}.sheet-id th{background:var(--paper-soft);font-weight:600;width:64px;white-space:nowrap}.sheet-sub{font-size:1rem;font-weight:700;margin-top:4px}.sheet-sub small{font-weight:400;color:var(--paper-muted)}.sheet-empty{color:var(--paper-muted);margin:0}.tt-scroll{overflow-x:auto}.swipe-hint{display:none;margin:-6px 0 0;font-size:12px;color:var(--paper-muted)}@media (max-width: 760px){.swipe-hint{display:block}}.tt{display:grid;grid-template-columns:54px repeat(var(--days),minmax(0,1fr));min-width:720px;border:1px solid var(--paper-line);border-radius:8px;overflow:hidden}.tt-corner,.tt-day{background:var(--paper-soft);border-bottom:1px solid var(--paper-line);height:34px;display:grid;place-items:center;font-weight:700;font-size:14px}.tt-corner{font-size:11px;color:var(--paper-muted);font-weight:600}.tt-day{border-left:1px solid var(--paper-line)}.tt-times{position:relative}.tt-tick{position:absolute;right:7px;transform:translateY(-50%);font-size:11px;color:var(--paper-muted);font-variant-numeric:tabular-nums;line-height:1}.tt-tick.first{transform:translateY(3px)}.tt-tick.last{transform:translateY(calc(-100% - 3px))}.tt-gaplabel{position:absolute;left:0;right:0;display:grid;place-items:center;color:var(--paper-muted);background:var(--paper-soft)}.tt-col{position:relative;border-left:1px solid var(--paper-line)}.tt-line{position:absolute;left:0;right:0;border-top:1px solid var(--paper-line)}.tt-line.half{border-top:1px dashed #bcc5c0}.tt-gap{position:absolute;left:0;right:0;background:var(--paper-soft);border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line)}.tt-gaptext{position:absolute;left:8px;display:flex;align-items:center;font-size:11px;color:var(--paper-muted);white-space:nowrap;z-index:2}.tt-block{position:absolute;z-index:3;overflow:hidden;background:var(--b-bg);color:var(--b-ink);border:1px solid var(--b-line);border-left-width:4px;border-radius:6px;padding:4px 6px;display:flex;flex-direction:column;gap:1px;font-size:12px;line-height:1.3}.tt-block>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tt-block b{font-size:12.5px}.tt-block b small{font-weight:600;opacity:.85}.tt-block span{font-variant-numeric:tabular-nums}.tt-block .room{opacity:.8}.tt-block.short{flex-direction:row;flex-wrap:wrap;column-gap:6px;align-items:center;padding-block:2px}.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--paper-muted)}.legend .lg{display:inline-flex;align-items:center;gap:6px}.legend i{width:14px;height:14px;border-radius:4px;border:2px solid;display:inline-block}.fee-wrap{overflow-x:auto}.fee{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}.fee th,.fee td{border:1px solid var(--paper-line);padding:6px 8px;text-align:center}.fee th{background:var(--paper-soft);font-weight:600;white-space:nowrap}.fee td.l{text-align:left}.fee td.when{font-size:12px;color:var(--paper-muted)}.fee td.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.fee td.strong{font-weight:700}.fee tfoot td{background:var(--paper-soft);font-weight:700}.fee tfoot small{font-weight:400;color:var(--paper-muted)}.fee td.total{font-size:15px;color:var(--paper-ink)}.sheet-notice{border:1px solid var(--paper-line);border-radius:8px;padding:10px 14px;font-size:13px;background:var(--paper-soft)}.sheet-notice p{margin:4px 0 0;line-height:1.6}.sheet-export{width:1120px;padding:34px 36px 38px}.sheet-export .tt,.sheet-export .fee{min-width:0}.landing{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding-block:40px;gap:16px}.landing-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(22px,5vw,44px);display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}.landing-card:before{content:"";position:absolute;inset:0 0 auto;height:10px;background:var(--brand)}.landing-card .eyebrow{color:var(--brand);font-weight:700}.landing-title{font-family:var(--f-display);font-weight:400;font-size:clamp(2rem,7vw,3.2rem);line-height:1.15}.demo-cta{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px dashed var(--line);color:var(--muted)}.landing-foot{text-align:center;margin:0;color:var(--muted)}.admin-bar{background:var(--ink);color:var(--bg);padding-top:env(safe-area-inset-top,0px)}.admin-bar-in{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-block:14px}.admin-title{font-family:var(--f-display);font-weight:400;font-size:1.35rem}.admin-user{display:flex;align-items:center;gap:10px;font-size:.88rem;flex-wrap:wrap}.admin-user .btn{color:var(--bg);border-color:color-mix(in srgb,var(--bg) 40%,transparent)}.demo-banner{background:var(--chalk);color:#2b2100;font-size:.88rem;padding-block:8px}.admin-sub{margin-bottom:-4px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}.tab{border:0;background:none;padding:10px 14px;cursor:pointer;font-weight:600;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap}.tab.on{color:var(--ink);border-bottom-color:var(--brand)}.rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid var(--line);flex-wrap:wrap}.row:first-child{border-top:0}.row.off .row-main>b{color:var(--muted);text-decoration:line-through}.row-main{flex:1 1 260px;min-width:0;display:flex;flex-direction:column;gap:4px}.row-main>.muted{display:inline}.row-btns{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.dot{width:18px;height:18px;border-radius:6px;border:2px solid;flex:none;display:inline-block;margin-top:3px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:.78rem;padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.tag.ok{color:var(--ok)}.tag.warn{color:var(--warn)}.sec-sum{list-style:none;margin:0;padding:0;font-size:.86rem;color:var(--muted);font-variant-numeric:tabular-nums}.sec-sum b{color:var(--ink)}.group-title{display:flex;align-items:center;gap:8px;font-size:1rem;margin-top:8px;padding-top:12px;border-top:2px solid var(--line)}.group-title .dot{margin-top:0}.table-wrap{overflow-x:auto}.list{width:100%;border-collapse:collapse}.list th,.list td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}.list th{font-size:.85rem;color:var(--muted);font-weight:600}.list .actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}.url-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.url-row code{flex:1 1 260px;padding:10px 12px;overflow-wrap:anywhere}.qr-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.qr{width:148px;height:148px;display:grid;place-items:center;background:#fff;border-radius:10px;border:1px solid var(--line);flex:none}.qr img{width:136px;height:136px;image-rendering:pixelated}.qr-row .muted{flex:1 1 220px}.code-area{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}.swatches{display:flex;flex-wrap:wrap;gap:8px}.swatch{display:inline-flex;align-items:center;gap:6px;padding:4px 10px 4px 4px;border-radius:999px;border:1px solid var(--line);cursor:pointer;font-size:.86rem}.swatch input{position:absolute;opacity:0}.swatch i{width:22px;height:22px;border-radius:50%;border:2px solid}.swatch:has(input:checked){border-color:var(--brand);box-shadow:0 0 0 1px var(--brand);font-weight:700}.fee-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;align-items:end}.fee-sum{display:flex;flex-direction:column;gap:6px}.fee-sum 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