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58%,white)}}.lesson-row.completed:before{content:"";background:var(--success);inset-block:7px;border-radius:0 3px 3px 0;width:3px;position:absolute;left:0}.lesson-row input{opacity:0;pointer-events:none;position:absolute}.lesson-drag-zone{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;grid-column:1;place-items:center;min-height:60px;display:grid}.lesson-drag-zone:active{cursor:crosshair}.custom-check{color:#0000;cursor:pointer;border:1.5px solid #9daab5;border-radius:6px;place-items:center;width:23px;height:23px;font-size:13px;font-weight:900;transition:background .17s,border-color .17s,transform .17s;display:grid}.lesson-row input:focus-visible+.custom-check{outline:3px solid var(--accent)}@supports (color:color-mix(in lab, red, red)){.lesson-row input:focus-visible+.custom-check{outline:3px solid color-mix(in srgb,var(--accent) 25%,transparent)}}.lesson-row input:focus-visible+.custom-check{outline-offset:2px}.lesson-row.completed .custom-check{border-color:var(--success);background:var(--success);color:#fff;transform:scale(1.05)}.lesson-id{color:#536270;font:750 13px ui-monospace,monospace}.lesson-title{flex-direction:column;align-items:flex-start;gap:4px;min-width:0;padding:7px 16px 7px 0;font-size:14px;display:flex}.lesson-title i{color:#145d92;vertical-align:1px;background:#edf7ff;border:1px solid #b7d6ee;border-radius:99px;margin-left:7px;padding:1px 6px;font-size:9px;font-style:normal;display:inline-block}.lesson-name{cursor:pointer}.lesson-row.completed .lesson-name{color:#33483f}.lesson-date{color:#126747;cursor:pointer;background:#fff;border:1px solid #bcd8cb;border-radius:99px;align-items:center;gap:4px;min-height:28px;margin:0;padding:3px 8px;line-height:1.6;display:inline-flex}.lesson-date time{color:inherit;font:850 11px ui-monospace,monospace}.lesson-date span{font-size:11px;font-weight:800}.lesson-date:hover{border-color:var(--success);background:var(--success-soft)}.lesson-pending{color:#7a8792;padding:2px 0;font-size:12px;font-weight:750}.lesson-row>time{color:#334552;text-align:right;font:750 13px ui-monospace,monospace}.dragging .lesson-list,.dragging .lesson-row{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.dragging .lesson-drag-zone{cursor:crosshair}.dragging .lesson-row:hover{background:var(--accent-soft)}@supports (color:color-mix(in lab, red, red)){.dragging .lesson-row:hover{background:color-mix(in srgb,var(--accent-soft) 75%,white)}}.dragging .lesson-row:hover{box-shadow:inset 4px 0 var(--accent)}.empty-state{min-height:220px;color:var(--muted);background:#fff;border:1px dashed #b8c3cc;border-radius:14px;align-content:center;place-items:center;gap:8px;display:grid}.empty-state span{font-size:30px}.empty-state button{color:var(--accent);cursor:pointer;background:0 0;border:0}.planning-grid{grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;display:grid}.planning-grid.single{grid-template-columns:1fr}.history-card{border:1px solid var(--line);background:var(--paper);min-height:270px;box-shadow:var(--shadow-sm);border-radius:16px;padding:28px;overflow:hidden}.planning-grid.single .history-card{min-height:0}.section-heading{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.section-heading h2{margin:4px 0 0;font-size:26px;font-weight:900;line-height:1.25}.section-heading>small{color:var(--muted);font-size:12px}.history-heading p{color:var(--muted);margin:7px 0 0;font-size:14px}.history-range{border:1px solid var(--line);background:#f3f5f7;border-radius:10px;padding:4px;display:flex}.history-range button{color:#65717f;cursor:pointer;background:0 0;border:0;border-radius:7px;min-height:36px;padding:7px 12px;font-size:12px;font-weight:800}.history-range button.active{background:var(--navy);color:#fff;box-shadow:0 1px 5px #142b3b29}.history-days{color:var(--muted);background:#f3f5f7;border-radius:8px;padding:7px 10px;font-size:12px;font-weight:750}.rhythm-summary{border:1px solid var(--line);border-radius:12px;grid-template-columns:1.3fr 1fr 1fr;margin-top:24px;display:grid;overflow:hidden}.rhythm-stat{border-left:1px solid var(--line);background:#f8fafb;flex-direction:column;justify-content:center;min-height:108px;padding:17px 18px;display:flex}.rhythm-stat:first-child{border-left:0}.rhythm-stat.primary{color:#fff;background:linear-gradient(135deg,#153343,#214b57)}.rhythm-stat>span{color:#6d7985;font-size:12px;font-weight:760}.rhythm-stat.primary>span{color:#bacbd3}.rhythm-stat strong{color:#20303b;font-variant-numeric:tabular-nums;margin:3px 0 2px;font-size:22px;font-weight:900;line-height:1.25}.rhythm-stat.primary strong{color:#fff}.rhythm-stat small{color:#7a8792;font-size:12px}.rhythm-stat.primary small{color:#a9bec7}.rhythm-plot{border:1px solid var(--line);background:#fbfcfd;border-radius:13px;margin-top:16px;padding:20px 20px 17px}.rhythm-plot-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.rhythm-plot-heading>div{align-items:baseline;gap:10px;display:flex}.rhythm-plot-heading strong{font-size:15px}.rhythm-plot-heading span{color:var(--muted);font-size:12px}.rhythm-chart-scroll{scrollbar-width:thin;scrollbar-color:#c7d0d7 transparent;overflow-x:auto}.rhythm-chart{--day-count:7;min-width:max(600px,calc(var(--day-count) * 92px));grid-template-columns:repeat(var(--day-count),minmax(66px,1fr));background:repeating-linear-gradient(0deg,#0000 0 58px,#cdd6de8c 59px,#0000 60px);border-bottom:1px solid #d7dee3;align-items:end;gap:12px;height:258px;margin-top:18px;padding:10px 4px 0;display:grid}.rhythm-day{grid-template-rows:28px 1fr 26px 21px;place-items:end center;min-width:0;height:100%;display:grid}.rhythm-day-value{color:#3a4c58;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:11px;font-weight:820;line-height:1}.rhythm-day-track{background:#edf1f3;border-radius:8px 8px 2px 2px;align-items:flex-end;width:min(50px,72%);height:100%;display:flex;overflow:hidden}.rhythm-day-track i{width:100%;height:var(--bar);background:linear-gradient(#315f71 0%,#142b3b 100%);border-radius:7px 7px 2px 2px;transition:height .45s cubic-bezier(.2,.7,.2,1);display:block;box-shadow:inset 0 1px #ffffff40}.rhythm-day.peak .rhythm-day-track{outline:2px solid var(--accent)}@supports (color:color-mix(in lab, red, red)){.rhythm-day.peak .rhythm-day-track{outline:2px solid color-mix(in srgb,var(--accent) 18%,transparent)}}.rhythm-day.peak .rhythm-day-track{outline-offset:3px}.rhythm-day.peak .rhythm-day-track i{background:linear-gradient(#ffb078 0%,#e86628 66%)}.rhythm-day-label{justify-content:center;align-items:center;gap:4px;min-width:0;display:flex}.rhythm-day-label time{color:#344653;white-space:nowrap;font-size:12px;font-weight:800}.rhythm-day-label span{background:var(--accent-soft);color:#a84819;border-radius:4px;padding:1px 4px;font-size:9px;font-weight:850}.rhythm-day>small{color:#73808b;white-space:nowrap;font-size:11px}.rhythm-empty{text-align:center;background:#f8fafb;border:1px dashed #bdc8d0;border-radius:13px;justify-items:center;margin-top:24px;padding:56px 20px;display:grid}.rhythm-empty>span{color:#c5ced4;letter-spacing:-.05em;font:900 34px ui-monospace,monospace}.rhythm-empty strong{margin-top:8px;font-size:17px}.rhythm-empty p{color:var(--muted);margin:3px 0 0;font-size:13px}footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;min-height:80px;margin-top:26px;padding:20px 4px;display:flex}footer>div{flex-direction:column;display:flex}footer strong{font-size:17px}footer span{color:var(--muted);margin-top:3px;font-size:12px}.danger-link{color:#a13e3e;cursor:pointer;background:0 0;border:0;font-size:12px}.toast{z-index:80;opacity:0;pointer-events:none;background:var(--navy);color:#fff;border-radius:9px;padding:11px 17px;font-size:13px;transition:opacity .18s,transform .18s;position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);box-shadow:0 9px 28px #142b3b40}.toast.show{opacity:1;transform:translate(-50%)}.date-dialog-backdrop{z-index:90;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0a1b257a;place-items:center;padding:18px;animation:.16s ease-out fade-in;display:grid;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}}.dialog-dismiss{cursor:default;background:0 0;border:0;position:absolute;inset:0}.date-dialog{z-index:1;border-top:4px solid var(--accent);background:#fff;border-radius:8px 20px;width:min(430px,100%);padding:26px;position:relative;box-shadow:0 25px 75px #0a1b254d}.date-dialog h2{margin:8px 0 5px;font-size:26px}.date-dialog p{color:var(--muted);margin:0 0 19px;font-size:13px}.date-dialog>label{margin-bottom:6px;font-size:13px;font-weight:800;display:block}.date-dialog>input{border:1px solid #c6d0d8;border-radius:8px;width:100%;min-height:44px;padding:8px 10px;font:750 14px ui-monospace,monospace}.date-dialog>div{justify-content:flex-end;gap:9px;margin-top:21px;display:flex}.dialog-primary{background:var(--navy);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:9px 15px;font-weight:800}.dialog-primary:disabled{opacity:.45;cursor:not-allowed}@media (max-width:980px){.global-progress{display:none}.top-actions{margin-left:auto}.hero{align-items:stretch}.hero-total{flex-basis:285px;width:285px}.course-overview,.workspace{grid-template-columns:1fr}.chapter-sidebar{min-height:0;padding:13px;position:static}.chapter-bars{flex-direction:row;padding-bottom:10px;overflow-x:auto}.chapter-bars button{min-width:180px}.sidebar-total{display:none}}@media (max-width:700px){.topbar-inner{min-height:62px;padding-inline:16px}.brand{min-width:0}.brand small{display:none}.brand-mark{width:34px;height:34px}.top-actions .ghost-button{padding:7px 9px;font-size:12px}.page{padding-inline:14px}.hero{flex-direction:column;gap:28px;min-height:0;margin-inline:-14px;padding:38px 16px 32px}.hero h1{font-size:42px}.hero p{font-size:15px}.hero-total{flex-basis:auto;width:100%}.course-switcher{grid-template-columns:1fr}.course-tab{min-height:82px}.course-overview{padding:19px}.overview-heading{flex-direction:column}.metric-grid{grid-template-columns:1fr 1fr}.metric-card{min-height:108px}.record-strip{flex-wrap:wrap;align-items:stretch}.record-strip>label{justify-content:space-between;width:100%}.record-strip p{flex-basis:calc(100% - 125px)}.tool-row{flex-wrap:wrap}.search-box{flex-basis:100%}.filter-tabs{flex:1}.chapter-toggle{grid-template-columns:48px minmax(0,1fr) 24px;gap:10px;padding-left:11px}.chapter-number{width:46px;height:46px}.chapter-status-copy{grid-column:2;margin-top:-5px}.chapter-status-copy i{max-width:220px}.chapter-toggle .chevron{grid-area:1/3/3}.chapter-check{min-width:74px;min-height:44px;margin-right:9px;padding:7px 8px;font-size:12px}.lesson-head,.lesson-row{grid-template-columns:44px 58px minmax(0,1fr) 78px;padding-inline:10px}.lesson-title{padding-right:6px;font-size:14px}.lesson-date span,.lesson-date time{font-size:11px}.lesson-row>time{font-size:12px}.planning-grid{grid-template-columns:1fr}.history-card{padding:20px}.history-heading{flex-direction:column}.history-range{width:100%}.history-range button{flex:1}.rhythm-summary{grid-template-columns:1fr 1fr}.rhythm-stat{border-top:1px solid var(--line);border-left:0}.rhythm-stat.primary{border-top:0;grid-column:1/-1}.rhythm-stat:nth-child(3){border-left:1px solid var(--line)}.rhythm-plot{padding-inline:14px}.rhythm-plot-heading>div>span{display:none}.rhythm-chart-scroll{overflow:visible}.rhythm-chart{background:0 0;border-bottom:0;flex-direction:column;gap:12px;min-width:0;height:auto;padding:10px 0 0;display:flex}.rhythm-day{grid-template-rows:auto auto;grid-template-columns:74px minmax(0,1fr) 84px;place-items:center stretch;gap:5px 10px;height:auto;display:grid}.rhythm-day-value{text-align:right;grid-area:1/3;font-size:12px}.rhythm-day-track{border-radius:99px;grid-area:1/2;width:100%;height:10px}.rhythm-day-track i{width:var(--bar);border-radius:inherit;height:100%;transition:width .45s cubic-bezier(.2,.7,.2,1)}.rhythm-day-label{grid-area:1/1/3;justify-content:flex-start}.rhythm-day>small{grid-area:2/2/auto/4}.rhythm-day.peak .rhythm-day-track{outline-offset:2px}footer{align-items:flex-start;gap:12px}}@media (max-width:430px){.metric-grid{grid-template-columns:1fr}.course-tab-copy small{font-size:12px}.chapter-header{min-height:112px}.chapter-check{margin-right:7px;font-size:12px}.chapter-copy strong{white-space:normal;line-height:1.35}.lesson-head{display:none}.lesson-row{grid-template-rows:auto auto;grid-template-columns:38px 50px minmax(0,1fr) 66px;min-height:88px;padding-block:9px}.lesson-row .lesson-drag-zone,.lesson-row .custom-check,.lesson-row .lesson-id,.lesson-row>time{grid-row:1/3}.lesson-title{grid-area:1/3/3}.lesson-id,.lesson-pending{font-size:12px}.lesson-date{min-height:30px}.lesson-date span,.lesson-date time{font-size:11px}.section-heading h2{font-size:23px}.history-heading p{font-size:13px}.history-range button{padding-inline:7px;font-size:11px}.rhythm-summary{grid-template-columns:1fr}.rhythm-stat.primary{grid-column:auto}.rhythm-stat,.rhythm-stat:nth-child(3){border-left:0;min-height:92px;padding:14px 15px}.rhythm-stat strong{font-size:19px}.rhythm-day{gap-inline:8px;grid-template-columns:68px minmax(0,1fr) 78px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation:none!important}}.sync-banner{border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px 16px;max-width:1120px;margin:14px auto 0;padding:10px 16px;font-size:14px;line-height:1.5;display:flex}.sync-banner.warn{color:#6b5a2e;background:#f7f1e2;border:1px solid #e2d5b4}.sync-banner.conflict{color:#7c3f35;background:#f9e9e5;border:1px solid #e0b9ae}.sync-banner a{color:inherit;font-weight:650}.sync-banner strong{font-size:15px}.sync-banner-actions{gap:8px;margin-left:auto;display:flex}.sync-banner .ghost-button{min-height:34px;padding:0 12px;font-size:13px}@media (max-width:720px){.sync-banner{margin-inline:12px}.sync-banner-actions{width:100%;margin-left:0}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}