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span{font-size:11px;font-weight:650}.period-label.custom-period{background:#fbfbfc}.period-label.custom-period strong{color:var(--text)}.period-add-label{min-height:64px;background:#fffaf5}.period-add-button{display:inline-grid;place-items:center;width:36px;height:36px;color:#fff;background:var(--accent);border:0;border-radius:50%;box-shadow:0 10px 20px #ff751f38}.period-add-button:disabled{color:#fff;background:#c7c7cc;box-shadow:none}.period-cell{position:relative;display:flex;flex-direction:column;justify-content:stretch;align-items:stretch;gap:4px;min-height:68px;padding:4px;color:#c7c7cc;background:var(--surface);border-top:0;border-left:0;letter-spacing:0;transition:background-color .12s ease,box-shadow .12s 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span{display:block;width:100%;overflow:hidden;text-align:center;text-overflow:ellipsis;white-space:nowrap}.mini-lesson-name{display:grid;flex:1 1 auto;place-items:center;min-height:0;width:100%;padding:6px 4px 4px;overflow:hidden;font-size:10.5px;font-weight:800;line-height:1.1;text-align:center;white-space:normal;word-break:break-all;overflow-wrap:anywhere;letter-spacing:0}.mini-lesson-name.two-by-two{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;word-break:keep-all;overflow-wrap:normal}.mini-lesson-name.two-by-two .mini-lesson-name-line{display:block;width:100%;line-height:1.05;white-space:nowrap}.mini-lesson-time{display:grid;grid-template-columns:1fr;flex:0 0 auto;gap:1px;place-items:center;min-height:28px;padding:3px 2px;background:#00000014;border-top:1px solid rgba(255,255,255,.24);font-size:9px;font-weight:700;line-height:1;letter-spacing:0;opacity:.9}.mini-lesson-time span{line-height:1}.period-cell.has-multiple-lessons 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svg{position:relative}.week-add-period-button:active:not(:disabled){transform:scale(.94)}.week-add-period-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.week-add-period-button:disabled{color:#a1a1aa;cursor:default}.week-add-period-button:disabled:before{background:#f4f4f5;border-color:#e4e4e7}.week-add-fab{position:absolute;right:20px;bottom:18px;z-index:8;display:grid;place-items:center;width:68px;height:68px;color:#fff;background:var(--accent);border:0;border-radius:50%;box-shadow:0 14px 28px #ff7a1a47;cursor:grab;touch-action:none;transition:box-shadow .12s ease,transform .12s ease;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.week-add-fab:active{transform:scale(.96)}.week-add-fab.dragging{cursor:grabbing;box-shadow:0 18px 34px #ff7a1a57;transform:scale(1.04)}.mini-lesson.dragging-source{opacity:.35}.drag-lesson-ghost{position:fixed;z-index:90;display:grid;gap:2px;width:128px;min-height:50px;padding:8px 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button.active{color:var(--text);background:var(--surface);box-shadow:0 3px 10px #11182714}.analytics-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.analytics-summary-grid .metric{min-width:0;padding:12px 10px;background:#f5f5f7;border-radius:14px}.analytics-summary-grid .metric strong{overflow:hidden;text-overflow:ellipsis;font-size:15px;white-space:nowrap}.chart-card{display:grid;gap:12px;background:var(--surface)}.line-chart-card{padding-bottom:calc(96px + env(safe-area-inset-bottom))}.chart-title-row h3{font-size:18px;font-weight:760}.line-basis-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;background:#f1f1f4;border-radius:13px}.line-basis-switch button{min-width:0;min-height:34px;padding:0 8px;overflow:hidden;color:var(--muted);background:transparent;border:0;border-radius:10px;font-size:13px;font-weight:760;text-overflow:ellipsis;white-space:nowrap}.line-basis-switch button.active{color:var(--text);background:var(--surface);box-shadow:0 3px 10px #11182714}.income-line-chart{width:100%;max-width:100%;height:auto;overflow:visible}.income-line-chart line{stroke:#e6e6ea;stroke-width:1}.income-line-chart .line-area{fill:#34c7591f}.income-line-chart .line-path{fill:none;stroke:#34c759;stroke-linecap:round;stroke-linejoin:round;stroke-width:4}.income-line-chart circle{fill:#34c759;stroke:#fff;stroke-width:2}.income-line-chart text{fill:var(--muted);font-size:10px;font-weight:700;text-anchor:middle}.chart-axis-labels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));color:var(--muted);font-size:12px;font-weight:650}.chart-axis-labels span:nth-child(2){text-align:center}.chart-axis-labels span:last-child{text-align:right}.chart-empty{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.chart-empty.inline{padding:8px 0}.pie-switch-stack{display:grid;gap:8px;margin-bottom:14px}.pie-group-switch,.pie-period-switch,.pie-metric-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;background:#f1f1f4;border-radius:13px}.pie-period-switch{grid-template-columns:repeat(4,minmax(0,1fr))}.pie-metric-switch{background:#fff3e9;grid-template-columns:repeat(3,minmax(0,1fr))}.pie-group-switch button,.pie-period-switch button,.pie-metric-switch button{min-height:34px;color:var(--muted);border:0;border-radius:10px;background:transparent;font-size:14px;font-weight:760}.pie-group-switch button.active,.pie-period-switch button.active,.pie-metric-switch button.active{color:var(--text);background:var(--surface);box-shadow:0 5px 14px #10182814}.pie-metric-switch button.active{color:#fff;background:var(--accent);box-shadow:0 8px 18px #ff7a1a33}.pie-chart-layout{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:center;gap:14px}.pie-donut{position:relative;display:grid;place-items:center;width:112px;aspect-ratio:1;border-radius:50%;box-shadow:inset 0 0 0 1px #1118270a}.pie-donut:after{position:absolute;top:22px;right:22px;bottom:22px;left:22px;content:"";background:var(--surface);border-radius:50%}.pie-donut div{position:relative;z-index:1;color:var(--text);font-size:13px;font-weight:760}.pie-legend{display:grid;gap:8px}.pie-legend-row{display:grid;grid-template-columns:10px minmax(0,1fr) minmax(94px,auto);align-items:center;gap:8px;min-height:26px}.pie-legend-button{width:100%;border:0;border-radius:10px;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left;transition:background .16s ease,transform .16s ease}.pie-legend-button:active{background:#0000000a;transform:scale(.985)}.pie-legend-dot{width:10px;height:10px;border-radius:50%}.pie-legend-row 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72px;align-items:center;gap:10px}.bar-chart-row>span{color:var(--text);font-size:13px;font-weight:740}.bar-chart-row>em{color:var(--muted);text-align:right;font-size:12px;font-style:normal;font-weight:700}.bar-track-group{display:grid;gap:4px}.bar-track{height:7px;overflow:hidden;background:#f0f0f3;border-radius:999px}.bar-track i{display:block;height:100%;border-radius:inherit}.bar-track.due i{background:#ffd6bd}.bar-track.paid i{background:#34c759}.bar-legend{display:flex;gap:14px;color:var(--muted);font-size:12px;font-weight:700}.bar-legend span{display:inline-flex;align-items:center;gap:6px}.bar-legend i{width:9px;height:9px;border-radius:999px}.due-dot{background:#ffd6bd}.paid-dot{background:#34c759}.ink{color:#111}.green{color:#34c759}.amber{color:#ff7a1a}.backup-actions{display:flex;gap:10px;flex-wrap:wrap}.action-button{min-height:42px;padding:0 14px;color:#fff;background:#111;border-radius:21px;font-weight:800}.action-button.secondary{color:#111;background:#f2f2f7}.file-button{position:relative;overflow:hidden}.file-button input,.calendar-import-button input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0}.calendar-import-button{position:relative;overflow:hidden;background:#ff7a1a}.import-result{margin:10px 0 0;padding:10px 12px;color:#1d7a35;background:#eef9f1;border-radius:12px;font-size:13px;font-weight:700}.editor-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;overflow:auto;background:var(--subtle)}.course-editor{width:min(100%,520px);min-height:100vh;margin:0 auto;padding-bottom:calc(28px + env(safe-area-inset-bottom));background:var(--subtle)}.editor-nav{position:sticky;top:0;z-index:3;display:grid;grid-template-columns:64px minmax(0,1fr) 78px;align-items:center;gap:8px;padding:calc(16px + env(safe-area-inset-top)) 16px 12px;background:color-mix(in srgb,var(--subtle),transparent 8%);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.editor-nav button{display:inline-grid;place-items:center;min-height:44px;color:var(--text);background:transparent;border:0;border-radius:22px}.editor-nav h2{margin:0;text-align:center;font-size:20px;font-weight:780}.editor-nav .done-button{justify-self:end;min-width:72px;min-height:42px;color:#fff;background:var(--accent);font-size:16px;font-weight:780;box-shadow:0 10px 24px #ff701f38}.editor-nav .done-button:disabled{color:#fff;background:#d1d1d6;box-shadow:none}.round-nav-button{width:58px;height:58px;color:var(--text)!important;background:var(--surface)!important;border-radius:29px!important;box-shadow:var(--shadow-float)}.round-nav-button.confirm{color:#fff!important;background:var(--accent)!important;box-shadow:0 12px 26px #ff701f3d!important}.lesson-delete-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;display:flex;align-items:center;justify-content:center;padding:max(20px,env(safe-area-inset-top)) 16px max(20px,env(safe-area-inset-bottom));background:#12121447;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);overscroll-behavior:contain}.lesson-delete-card{width:min(100%,420px);max-height:calc(100dvh - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overflow-y:auto;padding:24px 18px 18px;border-radius:24px;color:var(--text);background:#fff;box-shadow:var(--shadow-float);text-align:center}.lesson-delete-card h2{margin:8px 0 12px;font-size:23px}.lesson-delete-card p{margin:0;line-height:1.6;overflow-wrap:anywhere}.lesson-delete-student{color:var(--text);font-size:16px;font-weight:700}#lesson-delete-description{color:#71717a;font-size:13px}.lesson-delete-options{display:grid;gap:10px;margin:20px 0 12px}.lesson-delete-options button{display:grid;gap:5px;width:100%;min-height:72px;padding:14px 12px;border:1px solid #fee2e2;border-radius:16px;background:#fff5f4;text-align:left}.lesson-delete-options strong{color:#c52c25;font-size:16px;line-height:1.4}.lesson-delete-options span{color:#71717a;font-size:12px;line-height:1.5}.lesson-delete-retained{color:#71717a;font-size:12px}.lesson-delete-card .lesson-delete-error{margin-top:12px;color:#b42318;font-size:13px}.lesson-delete-cancel{width:100%;min-height:48px;margin-top:16px;border:0;border-radius:14px;background:#f4f4f5;color:var(--text);font-size:17px;font-weight:650}.lesson-delete-card button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.recurring-scope-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:72;display:grid;align-items:start;justify-items:center;padding:calc(96px + env(safe-area-inset-top)) 18px 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button:last-child{color:#c65f12;background:#fff1e8}.title-card,.editor-list,.fee-card,.payment-sheet{margin:18px;background:var(--surface);border-radius:16px}.title-card{padding:20px 18px 15px}.title-card label{position:relative;display:flex;align-items:center;min-height:48px}.input-stripe{width:3px;height:33px;margin-right:9px;border-radius:3px}.title-card input{min-width:0;width:100%;color:var(--text);background:transparent;border:0;outline:none;font-size:22px;font-weight:700}.title-card input::placeholder{color:#a1a1a8}.color-row{display:flex;align-items:center;gap:7px;margin-top:16px;overflow-x:auto;padding:1px 2px 5px;scrollbar-width:none}.color-row::-webkit-scrollbar{display:none}.color-row button,.custom-color-swatch{flex:0 0 auto;width:30px;height:30px;background:var(--swatch);border:3px solid var(--surface);border-radius:15px;box-shadow:0 0 0 1px var(--line)}.color-row button.active,.custom-color-swatch.active{box-shadow:0 0 0 3px color-mix(in srgb,var(--swatch),transparent 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