:root{--color-text: #2d3b3a;--color-muted: #6b8a88;--color-border: #d4e4e3;--color-border-strong: #c2d6d5;--color-surface: #ffffff;--color-page: #f4f9f9;--color-accent: #48d1cc;--color-accent-dark: #3bb8b3;--color-faint: #8aa8a6;--color-paid: #3a9a5c;--color-partial: #d4882a;--color-unpaid: #d94452;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#2d3b3a;background-color:#f4f9f9;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;height:56px;background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.navbar-brand{display:flex;align-items:center;text-decoration:none}.navbar-logo{height:44px;width:auto}.navbar-toggle{display:none;background:none;border:1px solid var(--color-border-strong);border-radius:4px;color:var(--color-muted);font-size:1.25rem;padding:.25rem .5rem;cursor:pointer}.navbar-menu{display:flex;align-items:center;gap:1.5rem;flex:1;justify-content:space-between;margin-left:2rem}.navbar-links{display:flex;gap:.25rem}.navbar-links a{padding:.4rem .8rem;border-radius:4px;color:var(--color-muted);text-decoration:none;font-size:.9rem;transition:color .2s,background .2s}.navbar-links a:hover{color:var(--color-text);background:#0000000a}.navbar-links a.active{color:var(--color-accent);background:#48d1cc1a}.navbar-right{display:flex;align-items:center;gap:.75rem}.navbar-user{font-size:.875rem;color:var(--color-muted)}.spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem}.spinner{width:36px;height:36px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}.spinner-text{margin-top:1rem;color:var(--color-faint);font-size:.875rem}@keyframes spin{to{transform:rotate(360deg)}}.page-title{font-size:1.5rem;margin:0 0 1.5rem}.not-found-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:2rem}.not-found-page h1{font-size:5rem;margin:0;color:var(--color-accent)}.not-found-page p{font-size:1.15rem;color:var(--color-muted);margin:.5rem 0 2rem}.btn-lg{padding:.7rem 1.5rem;font-size:1rem;text-decoration:none;display:inline-block}.login-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:1rem}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:2rem;width:100%;max-width:400px}.login-logo-link{display:block;width:fit-content;margin:0 auto 1.5rem}.login-logo{display:block;height:56px;width:auto}.login-card h1{margin:0 0 1.5rem;font-size:1.5rem;text-align:center}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.25rem;font-size:.875rem;color:var(--color-muted)}.form-group input{width:100%;padding:.5rem .75rem;border:1px solid var(--color-border-strong);border-radius:4px;background:var(--color-surface);color:inherit;font-size:1rem;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--color-accent)}.login-card button{width:100%;padding:.6rem;margin-top:.5rem;border:none;border-radius:4px;background:var(--color-accent);color:var(--color-surface);font-size:1rem;cursor:pointer}.login-card button:hover{background:var(--color-accent-dark)}.login-card button:disabled{opacity:.6;cursor:not-allowed}.error-message{color:var(--color-unpaid);font-size:.875rem;margin:.5rem 0}.toggle-text{text-align:center;margin-top:1rem;font-size:.875rem;color:var(--color-muted)}.toggle-text a{color:var(--color-accent);text-decoration:none}.toggle-text a:hover{text-decoration:underline}.admin-page{max-width:1200px;margin:0 auto;padding:1rem 1.5rem}.tab-bar{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--color-border);margin-bottom:1.5rem}.tab-bar button{padding:.6rem 1.2rem;border:none;border-bottom:2px solid transparent;background:none;color:var(--color-faint);cursor:pointer;font-size:.9rem;transition:color .2s,border-color .2s}.tab-bar button:hover{color:var(--color-text)}.tab-bar button.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.admin-table{width:100%;border-collapse:collapse;font-size:.875rem}.admin-table th,.admin-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--color-border)}.admin-table th{color:var(--color-faint);font-weight:500;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.admin-table tr.editing{background:#48d1cc14}.admin-table input,.admin-table select{padding:.3rem .5rem;border:1px solid var(--color-border-strong);border-radius:4px;background:var(--color-surface);color:inherit;font-size:.85rem;width:100%;box-sizing:border-box}.admin-table input:focus,.admin-table select:focus{outline:none;border-color:var(--color-accent)}.modal .admin-form fieldset{border:0;margin:0;padding:0;min-width:0}.modal .admin-form fieldset{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:.6rem;align-items:start}.modal .admin-form .form-group-heading,.modal .admin-form .invoice-lines,.modal .admin-form input[aria-label=Notes],.modal .admin-form textarea[aria-label="Billing address"]{grid-column:1 / -1}.modal .admin-form textarea{font-family:inherit;font-size:.85rem;padding:.35rem .55rem;border:1px solid var(--color-border, #d8e6e8);border-radius:6px;min-width:0;resize:vertical}.form-group-heading{margin:.5rem 0 0;font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-muted)}.admin-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.admin-form .invoice-lines{flex-basis:100%;display:flex;flex-direction:column;gap:.4rem;align-items:flex-start}.invoice-line{display:flex;gap:.5rem;align-items:center;width:100%}.invoice-line input{min-width:0}.invoice-line input[aria-label$=description]{flex:3 1 0}.invoice-line input[inputmode=decimal]{flex:1 1 0}.admin-form{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap;align-items:flex-end}.admin-form label{display:flex;flex-direction:column;gap:.2rem;font-size:.75rem;color:var(--color-muted)}.admin-form input,.admin-form select,.admin-form .btn{height:2.1rem;box-sizing:border-box;font-size:.85rem;-webkit-appearance:none;appearance:none}.admin-form input,.admin-form select{padding:.4rem .6rem;border:1px solid var(--color-border-strong);border-radius:4px;background:var(--color-surface);color:var(--color-text);max-width:100%}.admin-form input:focus,.admin-form select:focus{outline:none;border-color:var(--color-accent)}.datetime-field{position:relative;display:block}.datetime-field--empty input:not(:focus){color:transparent}.datetime-field--empty input:focus~.datetime-field-hint{display:none}.datetime-field input{text-align:left}.datetime-field input::-webkit-date-and-time-value{text-align:left}.datetime-field-hint{position:absolute;inset:0;display:flex;align-items:center;padding-left:.6rem;font-size:.85rem;color:#9ab3b1;pointer-events:none}.btn{padding:.4rem .8rem;border:none;border-radius:4px;cursor:pointer;font-size:.85rem;transition:opacity .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:var(--color-surface)}.btn-primary:hover:not(:disabled){background:var(--color-accent-dark)}.btn-danger{background:var(--color-unpaid);color:var(--color-surface)}.btn-danger:hover:not(:disabled){background:#c13a47}.btn-sm{padding:.25rem .5rem;font-size:.8rem}.btn-ghost{background:transparent;color:var(--color-muted);border:1px solid var(--color-border-strong)}.btn-ghost:hover:not(:disabled){background:#0000000a}.action-btns{display:flex;gap:.35rem}.badge{display:inline-block;padding:.15rem .5rem;border-radius:10px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-paid{background:#3a9a5c1f;color:var(--color-paid)}.badge-unpaid{background:#d944521f;color:var(--color-unpaid)}.badge-partial{background:#d4882a1f;color:var(--color-partial)}.badge-active{background:#3a9a5c1f;color:var(--color-paid)}.badge-upcoming{background:#48d1cc1f;color:var(--color-accent)}.badge-completed{background:#0000000f;color:var(--color-muted)}.admin-loading,.admin-error{padding:2rem;text-align:center;color:var(--color-faint)}.admin-error{color:var(--color-unpaid)}.dashboard-page{max-width:900px;margin:0 auto;padding:1rem 1.5rem}.dashboard-section{margin-bottom:2rem}.dashboard-section h1,.dashboard-section h2{font-size:1.1rem;margin:0 0 1rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.dashboard-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.dashboard-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:1.25rem}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.card-header h3{margin:0;font-size:1rem}.card-description{font-size:.85rem;color:var(--color-muted);margin:0 0 .75rem;line-height:1.4}.card-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem;font-size:.8rem}.card-progress{border-top:1px solid var(--color-border);padding-top:.75rem;display:flex;gap:.5rem;flex-wrap:wrap;font-size:.8rem}.badge-level{background:#48d1cc1f;color:var(--color-accent)}.badge-hw-up-to-date{background:#3a9a5c1f;color:var(--color-paid)}.badge-hw-behind{background:#d4882a1f;color:var(--color-partial)}.badge-hw-not-started,.badge-type{background:#0000000f;color:var(--color-muted)}.dashboard-table{width:100%;border-collapse:collapse;font-size:.875rem}.dashboard-table th,.dashboard-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--color-border)}.dashboard-table .schedule-time{white-space:normal}.dashboard-table th{color:var(--color-faint);font-weight:500;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.dashboard-loading,.dashboard-error,.dashboard-empty{padding:2rem;text-align:center;color:var(--color-faint)}.dashboard-error{color:var(--color-unpaid)}.section-bar{display:flex;gap:.25rem;margin-bottom:1.25rem;border-bottom:1px solid var(--color-border)}.section-bar button{background:none;border:none;border-bottom:2px solid transparent;padding:.5rem .9rem;min-height:44px;font-size:.9rem;color:var(--color-muted);cursor:pointer}.section-bar button.active{color:var(--color-text);font-weight:600;border-bottom-color:var(--color-accent)}.teacher-controls{display:flex;gap:.75rem;align-items:flex-end;flex-wrap:wrap;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:1rem;margin-bottom:1.5rem}.teacher-controls label{display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;color:var(--color-muted)}.teacher-controls select,.teacher-controls input[type=date],.teacher-controls .btn{height:2.1rem;box-sizing:border-box;font-size:.85rem}.teacher-controls select,.teacher-controls input[type=date]{padding:.4rem .6rem;border:1px solid var(--color-border-strong);border-radius:4px;background:var(--color-surface);color:inherit}.teacher-controls select:focus,.teacher-controls input[type=date]:focus{outline:none;border-color:var(--color-accent)}.term-facts{margin:0 0 0 auto;display:flex;align-items:baseline;flex-wrap:wrap;gap:.15rem .6rem;font-size:.8rem;color:var(--color-muted);text-align:right}.term-facts span:before{content:"·";margin-right:.6rem}.session-list{list-style:none;margin:0 0 1rem;padding:0;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);overflow:hidden}.session-row{display:flex;align-items:center;gap:.5rem;padding:.6rem .75rem;border-top:1px solid #eaf3f2}.session-row:first-child{border-top:none}.session-row-active{background:#eefbfa}.session-number{flex:0 0 auto;min-width:4.75rem;font-size:.9rem;font-weight:700;color:var(--color-text);font-variant-numeric:tabular-nums}.session-time{font-size:.8rem;font-weight:400;color:var(--color-muted);white-space:nowrap}.session-when{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;min-width:0;font-weight:500;font-size:.85rem;color:#4a5f5e}.session-state{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.25rem;margin-left:auto;min-width:0;font-size:.8rem;color:var(--color-muted)}.session-state .badge{padding:.1rem .35rem;font-size:.65rem;letter-spacing:.02em;white-space:nowrap}.session-state-done{color:#2e7d32;font-weight:600}.session-badge{background:var(--color-accent);color:var(--color-surface);border-radius:4px;padding:.1rem .35rem;font-size:.7rem;font-weight:700;text-transform:uppercase}.session-badge-moved{background:var(--color-partial)}.session-history{margin:0 0 1rem}.session-history>summary{cursor:pointer;font-size:.8rem;color:var(--color-muted);min-height:44px;display:flex;align-items:center;gap:.4rem;padding:0 .25rem;list-style:none}.session-history>summary::-webkit-details-marker{display:none}.session-history>summary:before{content:"▸";font-size:.7rem;line-height:1}.session-history[open]>summary:before{content:"▾"}.session-history .session-list{margin-top:.5rem}.session-moved{display:flex;align-items:flex-end;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.session-warn{color:#a5651c;font-size:.8rem;margin:.5rem 0;flex-basis:100%}.attendance-toggle{display:flex;gap:.3rem}.teacher-success{color:var(--color-paid);font-size:.875rem;margin:.5rem 0}.teacher-notes{width:100%;min-height:80px;padding:.5rem .75rem;border:1px solid var(--color-border-strong);border-radius:4px;background:var(--color-surface);color:inherit;font-size:.85rem;font-family:inherit;resize:vertical;box-sizing:border-box}.teacher-notes:focus{outline:none;border-color:var(--color-accent)}.progress-fields{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:.75rem}.progress-fields label,.progress-notes{display:flex;flex-direction:column;gap:.25rem;font-size:.8rem;color:var(--color-muted)}.progress-notes{margin-bottom:.5rem}.progress-empty{font-size:.85rem;color:var(--color-muted);margin:.25rem 0 0}.progress-score-form{margin-top:.75rem}.scores-table{width:100%;border-collapse:collapse;font-size:.85rem;margin-top:.5rem}.scores-table th,.scores-table td{padding:.4rem .6rem;text-align:left;border-bottom:1px solid var(--color-border)}.scores-table th{color:var(--color-faint);font-weight:500;font-size:.75rem;text-transform:uppercase}.badge-present{background:#3a9a5c1f;color:var(--color-paid)}.badge-absent{background:#d944521f;color:var(--color-unpaid)}.badge-late{background:#d4882a1f;color:var(--color-partial)}.badge-listening{background:#4285f41f;color:#4285f4}.badge-writing{background:#9c27b01f;color:#9c27b0}.badge-reading{background:#3a9a5c1f;color:var(--color-paid)}.badge-speaking{background:#d4882a1f;color:var(--color-partial)}.card-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.5rem}.hw-percent{font-size:.9rem;font-weight:700;color:#2e7d32;font-variant-numeric:tabular-nums}.hw-progress-bar{height:8px;border-radius:4px;background:#e4eeed;overflow:hidden;margin:.5rem 0 .75rem}.hw-progress-bar span{display:block;height:100%;background:var(--color-accent);border-radius:4px}.progress-derived{display:flex;flex-direction:column;gap:.35rem}.progress-derived .badge{align-self:flex-start}.form-label{font-size:.85rem;font-weight:600;color:#4a6866}.hw-current{font-weight:600;margin:.25rem 0 0}.hw-response{margin-top:.5rem}.hw-link{display:inline-block;color:#4285f4;text-decoration:none;font-weight:500;font-size:.85rem}.hw-link:hover{text-decoration:underline}.hw-response{margin-top:.5rem;padding:.5rem .75rem;background:#00000008;border-radius:6px;font-size:.85rem;white-space:pre-wrap}.btn-materials{min-height:44px;padding:.6rem 1.1rem}.student-materials{display:flex;flex-direction:column;gap:1.4rem}.student-materials h3{margin:0 0 .6rem;font-size:.95rem}.student-materials-list{display:flex;flex-direction:column;gap:.5rem;margin-top:.6rem}.material-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-height:44px;padding:.7rem .9rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);color:var(--color-text);text-decoration:none}.material-row:hover,.material-row:focus-visible{border-color:var(--color-accent)}.material-row-dead{color:var(--color-faint);border-style:dashed;cursor:default}.material-row-name{font-weight:500;overflow-wrap:anywhere}.material-row .materials-meta{flex-shrink:0;white-space:nowrap}.student-materials summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:#4285f4;font-size:.9rem}.modal-overlay{position:fixed;inset:0;z-index:200;background:#1c2e2d73;display:flex;align-items:flex-start;justify-content:center;padding:2rem 1rem;overflow-y:auto}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;box-shadow:0 12px 32px #1c2e2d2e;width:100%;max-width:760px;max-height:90vh;display:flex;flex-direction:column}.modal:focus{outline:none}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--color-border)}.modal-header h2{margin:0;font-size:1.1rem}.modal-close{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin:-.5rem -.5rem -.5rem 0;background:none;border:none;color:var(--color-muted);font-size:1.5rem;line-height:1;cursor:pointer}.modal-close:hover{color:var(--color-text)}.modal-body{padding:1.25rem;overflow-y:auto}.modal-footer{display:flex;gap:.5rem;padding:1rem 1.25rem;border-top:1px solid var(--color-border)}.modal-subheading{margin:1.5rem 0 .5rem;font-size:.95rem}.form-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:.85rem 1rem}.form-field{display:flex;flex-direction:column;gap:.3rem;min-width:0}.form-field-full{grid-column:1 / -1}.form-field label{font-size:.8rem;font-weight:600;color:var(--color-muted)}.form-field input,.form-field select,.form-field textarea{min-height:2.3rem;width:100%;padding:.4rem .6rem;border:1px solid var(--color-border-strong);border-radius:6px;background:var(--color-surface);color:var(--color-text);font:inherit;font-size:.9rem;box-sizing:border-box}.form-field select{appearance:none;padding-right:1.9rem;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%236b8a88' stroke-width='1.6' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .65rem center;background-size:.7rem}.form-field textarea{min-height:4.5rem;resize:vertical}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--color-accent)}.form-help{font-size:.75rem;line-height:1.35;color:var(--color-faint)}.materials-check{border:1px solid var(--color-border);border-radius:8px;padding:1rem}.materials-check-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding-bottom:.75rem;font-size:.85rem;color:var(--color-muted)}.materials-check-head code{background:#0000000a;padding:.1rem .35rem;border-radius:4px}.materials-row{display:flex;flex-direction:column;align-items:flex-start;gap:.45rem;padding:.85rem 0;border-top:1px solid var(--color-border)}.materials-row-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:.5rem}.materials-ok{color:var(--color-paid);font-weight:700}.materials-warn{color:var(--color-partial);font-weight:700}.materials-meta{font-size:.75rem;color:var(--color-faint)}.materials-missing{margin:0;font-size:.8rem;color:var(--color-partial)}.materials-notice{margin:.5rem 0;padding:.5rem .75rem;border-radius:6px;background:#d4882a1a;color:#a5661c;font-size:.8rem}.materials-hint{margin:.75rem 0 0;font-size:.75rem;color:var(--color-faint)}.materials-row a,.materials-list a{color:#4285f4;text-decoration:none;font-size:.85rem}.materials-row a:hover,.materials-list a:hover{text-decoration:underline}.materials-list{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:.35rem}.materials-list li{display:flex;align-items:center;gap:.5rem}.materials-row summary{cursor:pointer;font-size:.8rem;color:var(--color-muted)}.materials-row details{width:100%}.materials-delete{margin-left:auto;color:#c0392b;flex-shrink:0}.materials-delete:hover:not(:disabled){background:#fbeae8;color:#a5281c}.materials-file{display:flex;align-items:center;gap:.5rem;width:100%;min-width:0}.materials-file a{min-width:0}.materials-upload{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .7rem;border:1px solid var(--color-border-strong);border-radius:6px;background:var(--color-surface);color:var(--color-muted);font-size:.75rem;cursor:pointer}.materials-upload:before{content:"↑";font-weight:700}.materials-upload:hover{border-color:var(--color-accent);color:var(--color-text)}.materials-upload:focus-within{outline:2px solid var(--color-accent);outline-offset:2px}.materials-upload:has(input:disabled){opacity:.5;cursor:not-allowed}.materials-upload input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.materials-check progress{width:120px;height:6px}.admin-table-empty{text-align:center;color:var(--color-faint)}.site-footer{text-align:center;padding:1rem 1.5rem;font-size:.8rem;color:var(--color-faint);border-top:1px solid var(--color-border);margin-top:auto}@media(max-width:768px){.modal-overlay{padding:0}.modal{max-width:none;height:100vh;height:100dvh;max-height:100dvh;border:none;border-radius:0}.modal-body{flex:1 1 auto;min-height:0}.form-fields{grid-template-columns:1fr}.navbar-toggle{display:block}.navbar-menu{display:none;position:absolute;top:56px;left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-direction:column;padding:1rem 1.5rem;gap:1rem;margin-left:0}.navbar-menu.open{display:flex}.navbar-links{flex-direction:column;gap:.25rem}.navbar-links a{padding:.5rem .8rem}.navbar-right{padding-top:.75rem;border-top:1px solid var(--color-border)}.admin-page,.dashboard-page{padding:1rem}.dashboard-table,.scores-table{display:block;overflow-x:auto}.dashboard-table th,.dashboard-table td{padding:.5rem}.admin-table,.admin-table tbody{display:block}.admin-table thead{display:none}.admin-table tbody tr{display:block;border:1px solid var(--color-border);border-radius:6px;margin-bottom:.75rem;padding:.75rem}.admin-table td{display:flex;justify-content:space-between;padding:.25rem 0;border:none}.admin-table td[data-label]:before{content:attr(data-label);font-weight:500;color:var(--color-faint);margin-right:1rem}.admin-table td:not([data-label]){justify-content:flex-end;padding-top:.5rem}.admin-table td input,.admin-table td select{min-width:0}.admin-form{flex-direction:column}.invoice-line{flex-direction:column;align-items:stretch}.admin-form label,.admin-form .datetime-field,.admin-form input,.admin-form select,.admin-form .btn{width:100%}.teacher-controls{flex-direction:column;align-items:stretch}.teacher-controls label,.teacher-controls select,.teacher-controls input,.teacher-controls .btn{min-width:0;max-width:100%}}@media(max-width:480px){.tab-bar{flex-wrap:wrap;overflow-x:auto;white-space:nowrap}.tab-bar button{flex:1 1 auto;padding:.85rem .3rem;font-size:.8rem}.page-title{font-size:1.25rem}}@media(max-width:560px){.session-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.3rem .5rem;padding:.7rem .75rem}.session-number{grid-column:1;grid-row:1;min-width:0;font-size:.95rem}.session-state{grid-column:2;grid-row:1;margin-left:0;justify-self:end}.session-when{grid-column:1;grid-row:2}.session-row .btn{grid-column:2;grid-row:2;justify-self:end}}.student-attendance-summary{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem;margin:0 0 1rem;font-size:.85rem;color:#4a5f5e}.student-attendance-list{list-style:none;margin:0;padding:0;border:1px solid var(--color-border);border-radius:8px;overflow:hidden}.student-attendance-row{display:flex;align-items:center;gap:.5rem;padding:.55rem .7rem;border-top:1px solid #eaf3f2}.student-attendance-row:first-child{border-top:none}.student-attendance-none{font-size:.75rem;color:#9bb0ae;font-style:italic}@media(max-width:560px){.student-attendance-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.3rem .5rem}.student-attendance-row .session-number{grid-column:1;grid-row:1;min-width:0}.student-attendance-row .session-state{grid-column:2;grid-row:1;justify-self:end}.student-attendance-row .session-when{grid-column:1 / -1;grid-row:2}}#root{min-height:100vh}