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span+span:before{color:var(--positive-border);content:"|";margin-right:6px}.timeline-event .lesson-time{color:var(--navy);font-weight:800}.lesson-payment{text-align:right;white-space:nowrap;border-radius:7px;max-width:150px;padding:4px 7px;font-size:10px;font-weight:900;line-height:1.15;display:grid}.lesson-payment .payment-total,.payment-badge .payment-total{font-weight:950}.lesson-payment.paid{color:var(--positive-ink);background:var(--positive-surface)}.lesson-payment.unpaid{color:var(--danger-ink);background:var(--danger-chip)}.lesson-payment.underpaid{color:var(--warning-ink);background:var(--warning-chip)}.lesson-payment.neutral{color:var(--neutral-ink);background:var(--neutral-chip)}@media (width<=620px){.timeline{--timeline-gutter:48px}.timeline-hour{width:40px;font-size:9px}.timeline-event{left:calc(var(--timeline-gutter) + 5px);right:5px}.lesson-group-body{grid-template-columns:minmax(0,1fr) minmax(68px,max-content);align-items:start;gap:4px;padding:4px 5px}.timeline-event 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time{color:var(--warning-ink);font-size:11px;font-weight:900}.week-travel-entry strong{color:var(--warning-strong-ink);font-size:12px;display:block}.week-travel-entry small{color:var(--warning-muted-ink);margin-top:2px;font-size:9px;display:block}.week-lesson.selectable{padding-left:38px}.week-lesson.selected{outline:3px solid var(--green);background:var(--positive-selected)}.selection-check{border:2px solid var(--positive-border);width:21px;height:21px;color:var(--on-green);background:var(--surface);border-radius:7px;place-items:center;font-size:13px;font-style:normal;font-weight:900;display:grid;position:absolute;top:50%;left:9px;transform:translateY(-50%)}.week-lesson.selected .selection-check{background:var(--green)}.week-lesson.cancelled{background:var(--cancelled-surface);opacity:.82}.week-lesson time{color:var(--navy);font-size:11px;font-weight:900}.week-lesson strong{color:var(--navy);font-size:13px;display:block}.week-lesson small{color:var(--muted);margin-top:2px;font-size:10px;display:block}.travel-badge{color:var(--warning-ink);background:var(--warning-chip);white-space:nowrap;border-radius:8px;padding:4px 7px;font-size:9px;font-weight:900}.week-badges{justify-items:end;gap:4px;display:grid}.payment-badge{text-align:right;border-radius:8px;gap:2px;padding:6px 8px;font-size:9px;font-weight:800;line-height:1.2;display:grid}.payment-badge span{white-space:nowrap}.payment-badge.paid{color:var(--positive-ink);background:var(--positive-surface)}.payment-badge.unpaid{color:var(--danger-ink);background:var(--danger-chip)}.payment-badge.underpaid{color:var(--warning-ink);background:var(--warning-chip)}.payment-badge.neutral{color:var(--neutral-ink);background:var(--neutral-chip)}.week-empty{color:#96a0ad;text-align:center;padding:17px;font-size:12px}.bulk-toolbar{z-index:12;border:1px solid var(--positive-border);background:var(--bulk-surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:14px;grid-template-columns:auto minmax(180px,1fr) auto auto;align-items:center;gap:8px;margin-bottom:13px;padding:10px;display:grid;position:sticky;top:84px}.bulk-toolbar strong{color:var(--navy);font-size:12px}.bulk-toolbar select{min-height:40px}.bulk-toolbar button{min-height:40px;padding:8px 12px}.search-box{border:1px solid var(--line);background:var(--surface);border-radius:13px;align-items:center;gap:8px;margin-bottom:14px;padding:0 14px;display:flex}.search-box span{color:#8a95a3;font-size:20px}.search-box input{background:0 0;border:0;outline:none;width:100%;height:46px}.student-list{gap:12px;display:grid}.student-card{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:17px;grid-template-columns:48px 1fr auto;align-items:center;gap:11px;padding:15px;display:grid;box-shadow:0 8px 25px #16304d0f}.student-avatar{color:#fff;background:var(--avatar-surface);border-radius:15px;place-items:center;width:48px;height:48px;font-size:17px;font-weight:900;display:grid}.student-card h3{color:var(--navy);margin:0;font-size:15px}.student-card p{color:var(--muted);margin:4px 0 0;font-size:11px}.student-card-meta{text-align:right}.student-card-meta strong{color:var(--green);font-size:12px;display:block}.student-card-meta small{color:var(--muted);margin-top:4px;font-size:10px;display:block}.student-card-meta .balance-due{color:var(--danger);font-weight:900}.student-card-meta .balance-over{color:var(--green);font-weight:900}.empty-card{border:1px dashed var(--line);color:var(--muted);background:var(--surface-soft);text-align:center;border-radius:17px;padding:35px 20px}.empty-card strong{color:var(--navy);margin-bottom:7px;display:block}.panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:18px}.report-form-card,.settings-card,.finance-report-card{padding:20px}label{display:block}label>span{color:var(--muted);margin-bottom:7px;font-size:11px;font-weight:800;display:block}.date-weekday{color:var(--green);font-size:inherit;margin-left:3px;font-weight:900;display:inline}.field-help{color:var(--muted);margin-top:6px;font-size:9px;line-height:1.4;display:block}input,select,textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:var(--surface);border-radius:11px;outline:none}input,select{min-height:44px;padding:9px 11px}textarea{resize:vertical;padding:11px}input:focus,select:focus,textarea:focus{border-color:var(--focus);box-shadow:0 0 0 3px #48a33f29}.advanced-section{border:1px solid var(--line);background:var(--surface-muted);border-radius:13px;margin:2px 0 14px}.advanced-section summary{min-height:54px;color:var(--navy);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:11px 13px;list-style:none;display:flex}.advanced-section summary::-webkit-details-marker{display:none}.advanced-section summary strong,.advanced-section summary small{display:block}.advanced-section summary strong{font-size:11px}.advanced-section summary small{color:var(--muted);margin-top:3px;font-size:9px}.advanced-section summary b{color:var(--green);font-size:17px;transition:transform .18s}.advanced-section[open] summary b{transform:rotate(45deg)}.advanced-section>label{margin:0 12px 8px}.advanced-section>small{color:var(--muted);margin:0 13px 12px;font-size:9px;line-height:1.4;display:block}.report-form-card>label,.report-form-card .two-fields{margin-bottom:14px}.two-fields{grid-template-columns:1fr 1fr;gap:10px;display:grid}.quick-range{gap:7px;margin:-2px 0 16px;display:flex}.quick-range button{border:1px solid var(--line);min-height:44px;color:var(--navy);background:var(--surface-muted);border-radius:10px;flex:1;font-size:11px;font-weight:800}.finance-report-card{margin-bottom:16px}.finance-report-card .section-heading h2{color:var(--navy);margin:2px 0 14px;font-size:20px}.finance-report-card .two-fields{margin-bottom:14px}.finance-report-summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.finance-report-summary>div{border:1px solid var(--line);background:var(--surface-muted);border-radius:12px;min-width:0;padding:12px 9px}.finance-report-summary span{color:var(--muted);text-transform:uppercase;font-size:9px;font-weight:800;display:block}.finance-report-summary strong{overflow-wrap:anywhere;color:var(--navy);margin-top:5px;font-size:15px;display:block}.finance-report-summary .received{border-color:var(--positive-border);background:var(--positive-soft)}.finance-report-summary .received strong{color:var(--green)}.finance-report-summary .outstanding{background:var(--danger-surface);border-color:#9b5e58}.finance-report-summary .outstanding strong{color:var(--danger)}.finance-report-summary .unknown{background:var(--travel-surface);border-color:#92783b}.section-divider{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:10px;margin:22px 0 13px;font-size:10px;font-weight:900;display:flex}.section-divider:before,.section-divider:after{background:var(--line);content:"";flex:1;height:1px}.outstanding-card{margin-bottom:16px;padding:20px}.outstanding-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:13px;display:flex}.outstanding-heading h2{color:var(--navy);margin:2px 0 0;font-size:20px}.outstanding-heading>strong{color:var(--danger);background:var(--danger-surface);border-radius:10px;padding:8px 11px;font-size:16px}.outstanding-list{gap:7px;display:grid}.outstanding-row{background:var(--danger-surface);text-align:left;border:1px solid #edcfca;border-radius:11px;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:11px 12px;display:flex}.outstanding-row span strong{color:var(--navy);font-size:12px;display:block}.outstanding-row span small{color:var(--muted);margin-top:3px;font-size:9px;display:block}.outstanding-row>b{color:var(--danger);font-size:13px}.progress-report{border:1px solid var(--line);background:var(--report-surface);box-shadow:var(--shadow);border-radius:18px;margin-top:16px;padding:24px}.report-brand{border-bottom:2px solid var(--green);align-items:center;gap:13px;padding-bottom:17px;display:flex}.report-brand img{object-fit:cover;border-radius:14px;width:60px;height:60px}.report-brand h2{color:var(--navy);margin:0;font-size:22px}.report-brand p{color:var(--muted);margin:4px 0 0;font-size:11px}.report-stats{grid-template-columns:repeat(3,1fr);gap:8px;margin:17px 0;display:grid}.report-stat{background:var(--report-stat-surface);text-align:center;border-radius:12px;padding:12px}.report-stat strong{color:var(--navy);font-size:20px;display:block}.report-stat span{color:var(--muted);text-transform:uppercase;font-size:9px}.report-section{margin:19px 0}.report-section h3{color:var(--green);text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px;font-size:13px}.report-section p,.report-section li{color:var(--ink);font-size:13px;line-height:1.55}.report-section ul{margin:0;padding-left:19px}.report-footer-actions{gap:8px;margin-top:20px;display:flex}.settings-card{margin-bottom:14px}.settings-card h2{color:var(--navy);margin:0 0 10px;font-size:17px}.settings-card p{color:var(--muted);margin:0 0 15px;font-size:12px;line-height:1.55}.settings-card .two-fields{margin-bottom:14px}.settings-card input:disabled,.settings-card select:disabled,.settings-card button:disabled{cursor:not-allowed;opacity:.58}.settings-heading{align-items:flex-start;gap:10px;margin-bottom:18px;display:flex}.settings-heading h1{color:var(--navy);letter-spacing:-.04em;margin:1px 0 4px;font-size:clamp(27px,7vw,37px);line-height:1.08}.settings-heading>div>span{color:var(--muted);font-size:12px}.settings-back{border:1px solid var(--line);min-height:44px;color:var(--navy);background:var(--surface);border-radius:10px;flex:none;margin-top:1px;padding:7px 10px;font-size:11px;font-weight:850}.settings-menu{gap:10px;display:grid}.settings-menu>button{border:1px solid var(--line);width:100%;min-height:76px;color:var(--ink);background:var(--surface);text-align:left;border-radius:16px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:11px;padding:13px;display:grid;box-shadow:0 7px 22px #16304d0f}.settings-menu-icon{width:42px;height:42px;color:var(--green);background:var(--green-soft);border-radius:13px;place-items:center;font-size:19px;font-weight:900;display:grid}.settings-menu strong,.settings-menu small{display:block}.settings-menu strong{color:var(--navy);font-size:13px}.settings-menu small{color:var(--muted);margin-top:4px;font-size:10px;line-height:1.35}.settings-menu b{color:var(--muted);font-size:22px}.settings-page{animation:.18s appear}.integration-list{gap:10px;display:grid}.integration-card{border:1px solid var(--line);background:var(--surface);border-radius:15px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px;display:grid}.integration-card strong,.integration-card small{display:block}.integration-card strong{color:var(--navy);font-size:13px}.integration-card small{color:var(--muted);margin-top:4px;font-size:10px;line-height:1.4}.integration-state{color:var(--warning-ink);background:var(--warning-chip);white-space:nowrap;border-radius:999px;padding:5px 8px;font-size:9px;font-style:normal;font-weight:850}.integration-note{color:var(--muted);background:#48a33f17;border-radius:12px;margin-bottom:14px;padding:12px;font-size:11px;line-height:1.5}.settings-actions{gap:8px;display:flex}.settings-actions>*{text-align:center;flex:1}.file-button{place-items:center;display:grid}.file-button input{display:none}.install-steps{color:var(--muted);gap:9px;margin:4px 0 16px;padding-left:22px;font-size:12px;line-height:1.45;display:grid}.install-warning{background:var(--warning-surface);border:1px solid #eed58b;border-radius:11px;padding:11px 12px}:root[data-theme=dark] .app-header,:root[data-theme=dark] .panel,:root[data-theme=dark] .timeline-card,:root[data-theme=dark] .week-day,:root[data-theme=dark] .student-card,:root[data-theme=dark] input,:root[data-theme=dark] select,:root[data-theme=dark] textarea,:root[data-theme=dark] .secondary-button,:root[data-theme=dark] .sync-indicator,:root[data-theme=dark] .settings-menu>button,:root[data-theme=dark] .integration-card,:root[data-theme=dark] .settings-back,:root[data-theme=dark] .advanced-section,:root[data-theme=dark] .date-switcher button,:root[data-theme=dark] .week-switcher button{background-color:#16222d}@media (prefers-color-scheme:dark){:root[data-theme=system] .app-header,:root[data-theme=system] .panel,:root[data-theme=system] .timeline-card,:root[data-theme=system] .week-day,:root[data-theme=system] .student-card,:root[data-theme=system] input,:root[data-theme=system] select,:root[data-theme=system] textarea,:root[data-theme=system] .secondary-button,:root[data-theme=system] .settings-menu>button,:root[data-theme=system] .integration-card,:root[data-theme=system] .settings-back,:root[data-theme=system] .advanced-section,:root[data-theme=system] .sync-indicator,:root[data-theme=system] .date-switcher button,:root[data-theme=system] .week-switcher button{background-color:#16222d}}@media (width<=460px){.sync-indicator span{display:none}.sync-indicator{justify-content:center;width:44px;padding:0}}.bottom-nav{z-index:30;padding:7px 8px calc(7px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface-soft);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav button{min-width:0;min-height:44px;color:var(--muted);background:0 0;border:0;border-radius:10px;flex-direction:column;align-items:center;gap:2px;padding:5px 2px;display:flex}.bottom-nav button span{font-size:20px;line-height:1}.bottom-nav button small{font-size:10px;font-weight:800}.bottom-nav button.active{color:var(--green);background:var(--green-soft)}.modal{z-index:80;align-items:end;display:grid;position:fixed;inset:0}.modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#081b3085;position:absolute;inset:0}.modal-sheet{width:100%;max-height:min(92vh,920px);padding:8px 18px calc(26px + env(safe-area-inset-bottom));background:var(--surface);border-radius:24px 24px 0 0;animation:.23s sheetUp;position:relative;overflow-y:auto;box-shadow:0 -20px 60px #081b3033}@keyframes sheetUp{0%{opacity:.5;transform:translateY(30px)}}.modal-handle{background:#d8dde2;border-radius:4px;width:48px;height:5px;margin:2px auto 11px}.modal-sheet header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;display:flex}.modal-sheet header h2{color:var(--navy);margin:2px 0 0;font-size:24px}.modal-sheet header>button{width:44px;height:44px;color:var(--muted);background:var(--surface-muted);border:0;border-radius:12px;font-size:23px}.modal-sheet form{gap:14px;display:grid}.travel-setting{background:var(--travel-surface);border:1px solid #92783b;border-radius:13px;grid-template-columns:42px 1fr auto;align-items:center;gap:10px;padding:13px;display:grid}.travel-icon{width:42px;height:42px;color:var(--warning-ink);background:var(--travel-icon);border-radius:12px;place-items:center;font-size:22px;display:grid}.travel-setting strong{color:var(--warning-strong-ink);font-size:12px;display:block}.travel-setting small{color:var(--warning-muted-ink);margin-top:3px;font-size:10px;line-height:1.35;display:block}.travel-setting label{place-items:center;min-width:48px;min-height:44px;display:grid}.travel-setting label input{display:none}.travel-setting label span{background:#768391;border-radius:20px;width:48px;height:28px;margin:0;transition:all .2s;display:block;position:relative}.travel-setting label span:after{background:var(--toggle-knob);content:"";border-radius:50%;width:20px;height:20px;transition:all .2s;position:absolute;top:4px;left:4px}.travel-setting label input:checked+span{background:var(--green)}.travel-setting label input:checked+span:after{transform:translate(20px)}.travel-preview{color:var(--warning-ink);background:var(--warning-surface);border:1px solid #92783b;border-radius:11px;padding:11px 13px;font-size:11px;font-weight:800}.lesson-travel-editor{background:var(--travel-editor);border:1px solid #92783b;border-radius:14px;gap:9px;padding:10px;display:grid}.lesson-travel-editor .travel-preview{background:0 0;border:0;border-bottom:1px solid #f0dfa9;border-radius:0;padding:2px 3px 9px}.lesson-travel-controls{grid-template-columns:48px 1fr 48px;align-items:end;gap:8px;display:grid}.lesson-travel-controls>button{min-height:44px;color:var(--warning-ink);background:var(--travel-surface);border:1px solid #92783b;border-radius:11px;font-size:16px;font-weight:900}.lesson-travel-controls label>span:first-child{font-size:10px}.minute-input{display:block;position:relative}.minute-input input{text-align:center;padding-right:42px;font-weight:900}.minute-input b{color:var(--warning-muted-ink);pointer-events:none;font-size:10px;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.lesson-travel-shortcuts{grid-template-columns:1fr 1fr;gap:8px;display:grid}.lesson-travel-shortcuts button{min-height:44px;color:var(--warning-ink);background:var(--surface);border:1px solid #92783b;border-radius:10px;padding:7px 9px;font-size:10px;font-weight:800}.travel-entry-preview{color:var(--warning-ink);background:var(--warning-surface);border:1px solid #92783b;border-radius:11px;padding:12px 13px;font-size:12px;font-weight:900}.payment-form-card{border:1px solid 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