:root{color-scheme:light dark;--bg: #f4f5f2;--card: #ffffff;--text: #15201c;--muted: #5c6661;--border: #d9ddd8;--brand: #1d3a33;--brand-text: #ffffff;--accent: #1d5c4d;--accent-hover: #164a3e;--focus: #1a6fd6;--danger: #b3261e;--danger-bg: #fdecea;--ok: #1e7d4a;--ok-bg: #e5f4ea;--warn: #8a5300;--warn-bg: #fff4e0;--radius: 8px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}@media(prefers-color-scheme:dark){:root{--bg: #0f1513;--card: #18211e;--text: #e9eeeb;--muted: #a0aaa5;--border: #2d3934;--brand: #1d3a33;--accent: #7fc8a9;--accent-hover: #9bd6bc;--brand-text: #ffffff;--focus: #4c9bff;--danger: #ff8a80;--danger-bg: #3a1714;--ok: #7fd6a3;--ok-bg: #16301f;--warn: #ffc56b;--warn-bg: #3a2a10}}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5}h1{font-size:1.6rem;margin:0 0 .5rem;line-height:1.25}h2{font-size:1.2rem;margin:1.5rem 0 .5rem}a{color:var(--accent)}p{margin:.4rem 0}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip-link{position:absolute;left:.5rem;top:-3rem;background:var(--card);padding:.5rem 1rem;border-radius:var(--radius);z-index:10}.skip-link:focus{top:.5rem}.muted{color:var(--muted)}.small{font-size:.875rem}.strong{font-weight:600}.topbar{background:var(--brand);color:var(--brand-text)}.topbar-inner{max-width:1200px;margin:0 auto;padding:.6rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.topbar .muted{color:#c8d6d0}.topbar-end{margin-left:auto;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;letter-spacing:.01em}.brand-large{font-size:1.25rem;margin-bottom:1rem}.brand-mark{display:inline-grid;place-items:center;width:1.8rem;height:1.8rem;border-radius:6px;background:#f5f2e8;color:var(--brand);font-weight:800}.school-name{font-weight:600}.school-switch select,.lang-switch{background:transparent;color:inherit;border:1px solid rgba(255,255,255,.4);border-radius:6px;padding:.25rem .5rem;font:inherit}.school-switch option,.lang-switch option{color:#000}.user-email{font-size:.875rem}.topbar .button{background:transparent;color:inherit;border-color:#ffffff80}.nav{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;gap:.25rem;overflow-x:auto}.nav a{color:#dfe8e4;text-decoration:none;padding:.6rem .9rem;border-bottom:3px solid transparent;white-space:nowrap}.nav a:hover{color:#fff}.nav a.active{color:#fff;border-bottom-color:#f5f2e8;font-weight:600}.page{max-width:1200px;margin:0 auto;padding:1.5rem 1rem 4rem}.page:focus{outline:none}.page-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:.5rem}.actions{display:flex;gap:.5rem;flex-wrap:wrap}.breadcrumb{font-size:.875rem;color:var(--muted)}.section{margin-top:2rem}.centered{min-height:100vh;display:grid;place-items:center;padding:1rem}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.card>h2:first-child,.card>h1:first-child{margin-top:0}.narrow{width:100%;max-width:26rem}.stack{display:flex;flex-direction:column;gap:.9rem}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.9rem}.field{display:flex;flex-direction:column;gap:.25rem}.field label,.fieldset legend{font-weight:600;font-size:.925rem}input:not([type=checkbox]):not([type=file]),select,textarea{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--border);border-radius:6px;padding:.5rem .65rem;min-height:2.5rem}textarea{font-family:var(--mono);font-size:.875rem}input[aria-invalid=true]{border-color:var(--danger)}.hint{font-size:.85rem;color:var(--muted);margin:0}.field-error,.form-error{color:var(--danger);font-size:.875rem;margin:0}.form-error{background:var(--danger-bg);padding:.5rem .75rem;border-radius:6px}.fieldset{border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1rem;margin:0}.checkbox{display:flex;align-items:flex-start;gap:.5rem;cursor:pointer}.checkbox input{width:1.1rem;height:1.1rem;margin-top:.2rem;accent-color:var(--accent)}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(6rem,1fr));gap:.4rem}.inline-form{display:flex;align-items:flex-end;gap:.75rem;flex-wrap:wrap;margin:1rem 0}.inline-form .field{flex:1 1 12rem}.auth-links{display:flex;flex-wrap:wrap;gap:.25rem 1rem}.example{font-family:var(--mono);font-size:.85rem;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.5rem .75rem;margin:0;overflow-x:auto}.button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font:inherit;font-weight:600;min-height:2.5rem;padding:.45rem 1rem;border-radius:6px;border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;text-decoration:none}.button:hover{border-color:var(--muted)}.button:disabled{opacity:.55;cursor:not-allowed}.button-primary{background:var(--accent);border-color:var(--accent);color:#fff}@media(prefers-color-scheme:dark){.button-primary{color:#0f1513}}.button-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.button-danger{background:var(--danger);border-color:var(--danger);color:#fff}.button-danger-quiet{color:var(--danger)}.button-small{min-height:2rem;padding:.2rem .65rem;font-size:.875rem}.link-button{background:none;border:none;padding:0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer}.link-button:disabled{opacity:.55}.icon-button{background:none;border:none;font-size:1.5rem;line-height:1;color:var(--muted);cursor:pointer;width:2.25rem;height:2.25rem;border-radius:6px}.table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table th,.table td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--border);vertical-align:top}.table thead th{font-size:.85rem;color:var(--muted);font-weight:600;background:var(--bg)}.table tbody th{font-weight:600}.table tr:last-child>*{border-bottom:none}.table .num{text-align:right;font-variant-numeric:tabular-nums}.table-compact th,.table-compact td{padding:.35rem .6rem;font-size:.9rem}.table-scroll{max-height:22rem;overflow:auto;border-radius:var(--radius)}.row-bad td{background:var(--danger-bg)}td.row-actions{text-align:right}td.row-actions>*{margin:.1rem 0 .1rem .4rem}div.row-actions{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.5rem}@media screen and (max-width:720px){.table thead{display:none}.table tr{display:block;border-bottom:1px solid var(--border);padding:.5rem 0}.table th,.table td{display:block;border:none;padding:.2rem .75rem}.table .num,td.row-actions{text-align:left}td.row-actions>*{margin:.2rem .4rem .2rem 0}}.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}.chip{display:inline-flex;align-items:center;gap:.15rem;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:.05rem .25rem .05rem .65rem;font-size:.875rem}.chip-remove{background:none;border:none;color:var(--muted);cursor:pointer;font-size:1.05rem;line-height:1;width:1.6rem;height:1.6rem;border-radius:999px}.chip-remove:hover{color:var(--danger);background:var(--danger-bg)}.class-cell{display:flex;flex-direction:column;gap:.4rem;align-items:flex-start}.select-small{min-height:2rem!important;padding:.15rem .4rem!important;font-size:.875rem!important}.badge{display:inline-block;font-size:.8rem;font-weight:600;padding:.1rem .55rem;border-radius:999px}.badge-ok{background:var(--ok-bg);color:var(--ok)}.badge-pending{background:var(--warn-bg);color:var(--warn)}.state{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:3rem 1rem;text-align:center;color:var(--muted)}.state-error{color:var(--danger)}.state-empty{background:var(--card);border:1px dashed var(--border);border-radius:var(--radius)}.state-title{font-weight:600;color:var(--text)}.spinner{width:1.75rem;height:1.75rem;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}.notice{background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:.6rem .8rem;font-size:.9rem}.notice-strong{font-weight:600}.toasts{position:fixed;right:1rem;bottom:1rem;display:flex;flex-direction:column;gap:.5rem;z-index:100;max-width:min(26rem,calc(100vw - 2rem))}.toast{display:flex;align-items:flex-start;gap:.75rem;padding:.7rem .6rem .7rem 1rem;border-radius:var(--radius);box-shadow:0 4px 18px #0000002e;background:var(--card);border-left:4px solid var(--ok)}.toast-error{border-left-color:var(--danger)}.toast span{flex:1}.toast-close{background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer;line-height:1}.dialog{border:none;border-radius:12px;padding:0;width:min(32rem,calc(100vw - 2rem));background:var(--card);color:var(--text);box-shadow:0 10px 40px #0000004d}.dialog-wide{width:min(56rem,calc(100vw - 2rem))}.dialog::backdrop{background:#0a141073}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem .25rem}.dialog-header h2{margin:0}.dialog-body{padding:.5rem 1.25rem 1.25rem}.dialog-actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.confirm-text ul{margin:.4rem 0;padding-left:1.25rem}.letters-setup{display:grid;grid-template-columns:minmax(16rem,22rem) 1fr;gap:1.25rem;align-items:start;margin-top:1rem}@media(max-width:820px){.letters-setup{grid-template-columns:1fr}}.check-list{list-style:none;margin:0;padding:0;columns:2 18rem}.check-list li{break-inside:avoid;padding:.2rem 0}.print-toolbar{margin-bottom:1.5rem}.letters{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.letter{width:210mm;min-height:297mm;padding:18mm 18mm 14mm;background:#fff;color:#111;box-shadow:0 2px 12px #00000026;font-size:10.5pt;line-height:1.45;display:flex;flex-direction:column}.letter p{margin:0 0 .6em}.letter-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1.5px solid #1d3a33;padding-bottom:4mm;margin-bottom:6mm}.letter-school{font-size:14pt;font-weight:700;margin:0!important}.letter-class{color:#444;margin:0!important}.letter-brand{font-weight:800;color:#1d3a33;font-size:13pt;margin:0!important}.letter-title{font-size:15pt;margin:0 0 4mm;color:#111}.letter-steps{margin:0 0 4mm;padding-left:6mm}.letter-steps li{margin-bottom:1.5mm}.letter-codes{display:grid;grid-template-columns:1fr 1fr;gap:5mm;margin:3mm 0 5mm}.letter-code{display:flex;gap:4mm;align-items:center;border:1.2px dashed #777;border-radius:3mm;padding:4mm;break-inside:avoid}.letter-code-label{font-weight:700;margin:0 0 1mm!important}.letter-code-value{font-family:var(--mono);font-size:15pt;font-weight:700;letter-spacing:.06em;white-space:nowrap;margin:0 0 1mm!important}.letter-code-hint{font-size:8.5pt;color:#555;margin:0!important}.qr{width:30mm;height:30mm;flex:none;background:#fff}.qr svg{width:100%;height:100%;display:block}.letter-foot{margin-top:auto;border-top:1px solid #ccc;padding-top:3mm;font-size:8.5pt;color:#444}@media screen and (max-width:860px){.letter{width:100%;min-height:auto;padding:1.25rem}.letter-codes{grid-template-columns:1fr}}@page{size:A4;margin:0}@media print{html,body{background:#fff}.no-print,.topbar,.toasts,.skip-link{display:none!important}.page{padding:0;max-width:none}.letters{display:block}.letter{width:210mm;height:297mm;min-height:0;box-shadow:none;break-after:page;page-break-after:always;overflow:hidden}.letter:last-child{break-after:auto;page-break-after:auto}.letter-codes{grid-template-columns:1fr 1fr}}.field-label{display:flex;align-items:center;gap:.35rem}.infotip{position:relative;display:inline-flex;vertical-align:middle;font-size:1rem;font-weight:400}.infotip-button{width:1.25rem;height:1.25rem;border-radius:50%;border:1px solid var(--muted);background:transparent;color:var(--muted);font:italic 600 .75rem/1 Georgia,serif;cursor:help;padding:0;display:inline-flex;align-items:center;justify-content:center}.infotip-button:hover,.infotip[data-open] .infotip-button{border-color:var(--accent);color:var(--accent)}.infotip-bubble{display:none;position:absolute;z-index:20;top:calc(100% + .4rem);left:-.5rem;width:max-content;max-width:min(20rem,80vw);padding:.55rem .75rem;border-radius:6px;background:var(--text);color:var(--bg);font-size:.85rem;font-style:normal;font-weight:400;line-height:1.45;text-align:left;white-space:normal;box-shadow:0 4px 16px #0003}.infotip:hover .infotip-bubble,.infotip[data-open] .infotip-bubble{display:block}p .infotip,th .infotip{margin-left:.3rem}h1 .infotip,h2 .infotip{margin-left:.4rem}.more>summary{cursor:pointer;color:var(--accent);font-size:.9rem;width:fit-content}.more-body{margin-top:.5rem}.import-steps{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;margin:0;padding:0;list-style:none;font-size:.9rem;color:var(--muted)}.import-steps li{display:flex;align-items:center;gap:.5rem}.import-step-num{display:inline-grid;place-items:center;width:1.5rem;height:1.5rem;border-radius:50%;border:1px solid var(--border);font-size:.8rem;font-weight:600}.import-step-current{color:var(--text);font-weight:600}.import-step-current .import-step-num{background:var(--accent);border-color:var(--accent);color:var(--card)}.import-step-done .import-step-num{background:var(--ok-bg);border-color:var(--ok-bg);color:var(--ok)}.dropzone{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:2.75rem 1.25rem;border:2px dashed var(--border);border-radius:12px;background:var(--bg);text-align:center;cursor:pointer;transition:border-color .15s,background-color .15s}.dropzone:hover,.dropzone-active{border-color:var(--accent);background:var(--ok-bg)}.dropzone-input:focus-visible+.dropzone{outline:3px solid var(--focus);outline-offset:2px}.dropzone-icon{color:var(--accent)}.dropzone-title{font-size:1.05rem;font-weight:600}.dropzone .hint{max-width:26rem}.file-chip{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem .75rem;padding:.6rem .85rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);font-size:.9rem}.file-chip-name{font-weight:600;overflow-wrap:anywhere}.file-chip .link-button{margin-left:auto}.matcher{border:1px solid var(--border);border-radius:var(--radius)}.matcher-row{display:grid;grid-template-columns:9.5rem 1fr;align-items:start;gap:.5rem 1rem;padding:.85rem 1rem}.matcher-row+.matcher-row{border-top:1px solid var(--border)}.matcher-row-missing{background:var(--warn-bg)}.matcher-label{display:flex;align-items:center;gap:.55rem;min-height:2.5rem;font-weight:600}.matcher-check{display:inline-grid;place-items:center;flex:none;width:1.3rem;height:1.3rem;border-radius:50%;border:1.5px solid var(--border);font-size:.75rem}.matcher-check-on{background:var(--ok);border-color:var(--ok);color:var(--card)}.matcher-control{display:flex;flex-direction:column;gap:.4rem;min-width:0}.matcher-control select{width:100%}.matcher-example{font-size:.875rem;color:var(--muted);overflow-wrap:anywhere}@media(max-width:34rem){.matcher-row{grid-template-columns:1fr}.matcher-label{min-height:0}}.segmented{display:flex;flex-wrap:wrap;gap:.4rem;margin:.2rem 0 0;padding:0;border:none}.segmented legend{width:100%;margin-bottom:.4rem;font-size:.875rem}.segmented label{display:inline-flex;align-items:center;padding:.35rem .8rem;border:1px solid var(--border);border-radius:999px;font-size:.875rem;cursor:pointer}.segmented input{position:absolute;opacity:0;pointer-events:none}.segmented label:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px}.segmented-on{border-color:var(--accent)!important;background:var(--ok-bg);color:var(--text);font-weight:600}.import-preview{display:flex;flex-direction:column;gap:.6rem}.import-preview-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem}.import-preview-head h3{margin:0;font-size:1rem}.import-preview-scroll{max-height:18rem;overflow-y:auto}.import-preview-scroll thead th{position:sticky;top:0;background:var(--card)}.inline-label{font-size:.9rem}.inline-label select{width:auto;display:inline-block;margin-left:.25rem}.import-counts{display:flex;flex-wrap:wrap;gap:.4rem}.badge-error{background:var(--danger-bg);color:var(--danger)}.import-counts .badge:not(.badge-ok):not(.badge-error){background:var(--bg);color:var(--muted);border:1px solid var(--border)}.row-skip td{color:var(--muted)}.state .actions{justify-content:center}