:root{--navy: #1F3864;--blue: #2E5C9A;--head: #D9E2F3;--row: #F5F8FC;--bg: #F7F9FC;--surface: #FFFFFF;--fg: #1B2433;--muted: #5D6A7F;--line: #D3DBE8;--box-line: #AEBBD0;--ok-bg: #2E5C9A;--ok-fg: #FFFFFF;--retry-bg: #FFF2CC;--retry-fg: #7A5A00;--retry-line: #BF9000;--absent-bg: #FBE4E2;--absent-fg: #B3261E;--red: #C0261D;--notice-bg: #FFF2CC;--notice-line: #BF9000;--hatch: #E7ECF4;--focus: #2E5C9A;--green: #3B9B5E;--font: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--navy: #B9CCF0;--blue: #86A8E0;--head: #1F2B42;--row: #141C2A;--bg: #0E141F;--surface: #121A27;--fg: #E5EAF2;--muted: #94A1B6;--line: #2A3650;--box-line: #4A5875;--ok-bg: #5482CF;--ok-fg: #FFFFFF;--retry-bg: #3A3016;--retry-fg: #F1CF6E;--retry-line: #BF9000;--absent-bg: #3B1E1F;--absent-fg: #FF9B92;--red: #FF8C82;--notice-bg: #2A2515;--notice-line: #BF9000;--hatch: #1B2436;--focus: #86A8E0;--green: #5CC283;color-scheme:dark}}:root[data-theme=dark]{--navy: #B9CCF0;--blue: #86A8E0;--head: #1F2B42;--row: #141C2A;--bg: #0E141F;--surface: #121A27;--fg: #E5EAF2;--muted: #94A1B6;--line: #2A3650;--box-line: #4A5875;--ok-bg: #5482CF;--ok-fg: #FFFFFF;--retry-bg: #3A3016;--retry-fg: #F1CF6E;--retry-line: #BF9000;--absent-bg: #3B1E1F;--absent-fg: #FF9B92;--red: #FF8C82;--notice-bg: #2A2515;--notice-line: #BF9000;--hatch: #1B2436;--focus: #86A8E0;--green: #5CC283;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body:before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface)}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:15px;line-height:1.55;word-break:keep-all;overflow-wrap:break-word}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid 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h3{font-size:15.5px;color:var(--blue)}.sec-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 12px}.sec-head h2,.sec-head h3{margin-right:auto}.hint{font-size:12.5px;color:var(--muted)}.tag{font-size:12.5px;font-weight:600;background:var(--head);color:var(--navy);padding:3px 10px;border-radius:999px}.tag.muted{background:transparent;border:1px dashed var(--box-line);color:var(--muted)}.banner{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 14px;font-size:14px}.banner.warn{border-color:var(--retry-line);background:var(--retry-bg);color:var(--retry-fg)}.banner.error{border-color:var(--absent-fg);background:var(--absent-bg);color:var(--absent-fg)}.empty{background:var(--surface);border:1px dashed var(--box-line);border-radius:12px;padding:28px 22px;display:grid;gap:10px;max-width:680px;justify-items:start}.empty h2{font-size:17px;color:var(--navy)}.empty p{color:var(--muted);font-size:14px}.in{border:1px solid 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12px;font-size:13.5px;min-height:34px}.btn.ghost{background:transparent}.btn.danger,.icon-btn.danger{color:var(--red)}.icon-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;background:transparent;width:36px;height:36px;border-radius:8px;font-size:18px;line-height:1;cursor:pointer;color:var(--muted);display:inline-grid;place-items:center;flex:none}.icon-btn:hover{background:var(--row);color:var(--fg)}.icon-btn:disabled{opacity:.3;cursor:default}.link-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;color:var(--blue);font-weight:600;font-size:13px;cursor:pointer;padding:4px 2px;text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--blue) 40%,transparent)}.link-btn:disabled{color:var(--muted);cursor:default}.toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;min-height:32px}.toggle.red.on{background:var(--absent-bg);border-color:var(--red);color:var(--red)}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--bg);flex:none}.seg button{border:0;background:transparent;padding:7px 12px;font-weight:600;font-size:13.5px;color:var(--muted);cursor:pointer;min-height:34px}.seg button+button{border-left:1px solid var(--line)}.seg button[aria-pressed=true]{background:var(--navy);color:var(--surface)}.seg.sm button{padding:4px 10px;font-size:13px;min-height:32px}.inline{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:500}.check-line{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--fg);cursor:pointer;min-height:32px}.check-line input,td input[type=checkbox]{width:18px;height:18px;accent-color:var(--navy)}.date-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.date-nav .icon-btn{font-size:22px;border-color:var(--line);background:var(--surface);width:40px;height:40px}.date-field{position:relative;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:0 14px;min-height:40px;cursor:pointer}.date-text{font-weight:700;color:var(--navy);font-size:15.5px;white-space:nowrap}.date-field input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;width:100%;height:100%;cursor:pointer;border:0;padding:0}.track-tag{font-size:12.5px;font-weight:600;color:var(--muted);margin-left:6px}.save{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;min-height:28px;white-space:nowrap;font-variant-numeric:tabular-nums}.save .dot{width:8px;height:8px;border-radius:50%;background:var(--box-line)}.save[data-s=saved] .dot{background:var(--green)}.save[data-s=saving] .dot{background:var(--retry-line)}.save[data-s=error]{color:var(--red)}.save[data-s=error] .dot{background:var(--red)}.class-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}.class-tabs button{flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 16px;font-weight:600;font-size:14px;cursor:pointer;display:inline-flex;gap:8px;align-items:center;color:var(--fg);min-height:42px}.class-tabs button .count{font-size:12px;font-weight:500;color:var(--muted);font-variant-numeric:tabular-nums}.class-tabs button[aria-selected=true]{background:var(--navy);border-color:var(--navy);color:var(--surface)}.class-tabs button[aria-selected=true] .count{color:var(--surface);opacity:.85}.class-tabs.sm button{padding:5px 12px;min-height:34px;font-size:13px}.panel{display:grid;gap:14px;margin-top:14px}.panel>*{min-width:0}.class-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;border-bottom:2px solid var(--blue);padding-bottom:6px}.class-head h2{font-size:19px;color:var(--blue);font-weight:700}.class-head .n{font-size:13px;color:var(--muted)}.retry-tag{font-size:12px;font-weight:600;color:var(--retry-fg);background:var(--retry-bg);border:1px solid var(--retry-line);border-radius:999px;padding:1px 8px}.notices{display:grid;gap:12px;background:var(--notice-bg);border-left:4px solid var(--notice-line);padding:14px 16px;border-radius:0 8px 8px 0}.notice{display:grid;grid-template-columns:76px minmax(0,1fr);gap:2px 12px}.notice-label{font-size:12.5px;font-weight:700;color:var(--retry-fg);padding-top:2px;letter-spacing:.02em}.notice-body{display:grid;gap:2px}.notice-title{font-weight:600}.notice-line{font-size:14px}.notice-line.red{color:var(--red);font-weight:600}@media (max-width: 560px){.notice{grid-template-columns:minmax(0,1fr)}}.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--muted);align-items:center}.legend .k{display:inline-flex;align-items:center;gap:6px}.legend .box{width:20px;height:20px;font-size:12px;border-radius:5px}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface);-webkit-overflow-scrolling:touch}table.grid{border-collapse:separate;border-spacing:0;width:100%;font-size:14px}.grid th,.grid td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:0;text-align:center;vertical-align:middle}.grid tr>:last-child{border-right:0}.grid thead th{background:var(--head);color:var(--navy);font-weight:600;font-size:13px;padding:8px 6px;line-height:1.35}.grid thead th.col-sub{font-weight:500;min-width:58px}.grid thead th.col-single{min-width:96px;max-width:150px}.grid .gs{border-left:2px solid var(--blue)}.grid .col-name,.grid th.name{position:sticky;left:0;z-index:1;text-align:left;padding:0 14px;min-width:84px;white-space:nowrap;border-right:2px solid var(--line)}.grid thead .col-name{z-index:2;background:var(--head);padding:8px 14px}.grid tbody th.name{font-weight:600;background:var(--surface)}.grid tbody tr:nth-child(2n)>*{background:var(--row)}.grid tbody td{background:var(--surface)}.grid .col-note{min-width:220px;text-align:left;padding-left:12px}.grid tfoot td,.grid tfoot th{background:var(--bg);font-size:12px;color:var(--muted);padding:6px;font-variant-numeric:tabular-nums;border-bottom:0}.grid tfoot th.name{background:var(--bg);font-weight:500}.cell{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;width:100%;min-width:56px;height:50px;display:grid;place-items:center;cursor:pointer;padding:0}.box{width:30px;height:30px;border-radius:7px;border:1.5px solid var(--box-line);display:inline-grid;place-items:center;font-size:17px;font-weight:700;line-height:1;background:var(--surface);color:var(--fg);transition:background-color .12s,border-color .12s,transform .08s}.cell:active .box{transform:scale(.9)}.cell[data-v=ok] .box,.box.ok{background:var(--ok-bg);border-color:var(--ok-bg);color:var(--ok-fg)}.cell[data-v=retry] .box,.box.retry{background:var(--retry-bg);border-color:var(--retry-line);color:var(--retry-fg)}.cell[data-v=absent] .box,.box.absent{background:var(--absent-bg);border-color:var(--absent-fg);color:var(--absent-fg)}.cell:focus-visible{outline:2px solid var(--focus);outline-offset:-4px;border-radius:8px}.cell:disabled{cursor:default}.grid tbody tr>td.na{color:var(--muted);background-image:repeating-linear-gradient(135deg,transparent 0 6px,var(--hatch) 6px 7px)}.note-cell{display:flex;align-items:center;gap:6px;padding:6px 8px 6px 10px;min-height:50px;flex-wrap:wrap}.pin{flex:none;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--head);color:var(--navy);white-space:nowrap}.pin.red{background:var(--absent-bg);color:var(--red)}.note-input{flex:1;min-width:120px;border:1px solid transparent;background:transparent;border-radius:6px;padding:7px 8px;font-size:16px}@media (min-width: 900px){.note-input{font-size:14px}}.note-input:hover{border-color:var(--line)}.note-input:focus{outline:none;border-color:var(--focus);background:var(--surface)}.note-input::placeholder{color:var(--box-line)}.memo{display:grid;gap:6px}.memo label{font-size:13px;font-weight:600;color:var(--muted)}.memo textarea{width:100%;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:10px 12px;font-size:16px;line-height:1.5}.memo textarea:focus{outline:none;border-color:var(--focus)}.last{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}.head-card 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minmax(0,1fr)}}.entry-main{display:grid;gap:12px;align-content:start;min-width:0}.two{display:grid;gap:12px;grid-template-columns:minmax(0,1fr)}@media (min-width: 700px){.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}.field{display:grid;gap:4px;min-width:0}.field-head{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;min-height:22px}.field-label{font-size:13px;font-weight:700;color:var(--muted)}.field-action{margin-left:auto}.test-sec{border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;gap:10px;background:var(--bg)}.test-sec h3{font-size:15.5px;color:var(--navy)}.test-sec .arrow{color:var(--muted);font-weight:500;font-size:13px}.entry-preview{min-width:0;display:grid;gap:10px;align-content:start}@media (min-width: 1160px){.entry-preview{position:sticky;top:72px;max-height:calc(100vh - 90px);overflow:auto}}.preview-head{display:flex;align-items:baseline;gap:8px}.preview-head h4{font-size:13px;color:var(--muted);font-weight:700}.preview-body{display:grid;gap:10px}.preview-body .grid .cell{height:40px}.preview-body .grid .box{width:24px;height:24px}.tb{display:grid;gap:12px}.tb-block{display:grid;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}.tb-title,.students-ed summary{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.tb-title h4,.students-ed summary h4{font-size:14px;color:var(--navy)}.students-ed summary{cursor:pointer;list-style:none}.students-ed summary::-webkit-details-marker{display:none}.students-ed summary:before{content:"▸";color:var(--muted)}.students-ed[open] summary:before{content:"▾"}.notice-ed{display:grid;gap:6px;border-left:3px solid var(--notice-line);background:var(--notice-bg);padding:8px 8px 8px 10px;border-radius:0 6px 6px 0}.notice-ed .label-in{width:96px;font-weight:700}.line-row{padding-left:16px}.item-ed{border:1px solid var(--line);border-radius:8px;padding:8px 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