:root{--ink:#1e211d;--ink-rgb:30, 33, 29;--muted:#6f746c;--paper:#f0eee8;--surface:#fbfaf7;--card:#fff;--line:#e3e1da;--soft:#efeee9;--accent:#4e614e;--accent-soft:#e7eee4;--warm:#f2eadc;--danger:#a64b45;--shadow:0 14px 40px #282c2611;--ease-out:cubic-bezier(.23, 1, .32, 1);--ease-in-out:cubic-bezier(.77, 0, .175, 1);--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-display:-apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-numeric:"SF Pro Rounded", "Avenir Next", "PingFang SC", -apple-system, BlinkMacSystemFont, sans-serif}:root[data-theme=dark]{--ink:#eeeee8;--ink-rgb:238, 238, 232;--muted:#a9ada5;--paper:#141714;--surface:#171a17;--card:#20231f;--line:#343833;--soft:#292c28;--accent:#a9bba5;--accent-soft:#293229;--warm:#352f26;--danger:#e18b83;--shadow:0 16px 40px 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var(--ease-out);border:0;border-radius:50%;flex:none;place-items:center;display:grid}.schedule-add-button{border:1px dashed color-mix(in srgb, var(--accent) 58%, var(--line));background:var(--accent-soft);min-width:56px;height:44px;color:var(--accent);cursor:pointer;border-radius:13px 4px;flex:none;justify-content:center;align-items:center;gap:5px;padding:0 10px;font-size:9px;font-weight:800;display:inline-flex}.month-card{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);border-radius:28px;padding:20px}.calendar-view-switch{background:var(--soft);border-radius:13px;gap:4px;width:max-content;margin:0 auto 16px;padding:4px;display:flex}.calendar-view-switch button{min-width:92px;min-height:44px;color:var(--muted);cursor:pointer;transition:background .18s var(--ease-out), color .18s var(--ease-out), transform .14s var(--ease-out);background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:6px;font-size:11px;font-weight:700;display:flex}.calendar-view-switch button.active{background:var(--card);color:var(--ink);box-shadow:0 2px 8px #24272212}.calendar-filter-bar{align-items:center;gap:10px;min-height:44px;margin:-4px 0 12px;display:flex}.calendar-filter-bar small{color:var(--muted);text-align:right;flex:1;font-size:9px}.filter-trigger{border:1px solid var(--line);background:var(--card);min-height:44px;color:var(--muted);cursor:pointer;border-radius:13px;align-items:center;gap:7px;padding:0 13px;font-size:10px;font-weight:750;display:inline-flex}.filter-trigger.active{border-color:color-mix(in srgb, var(--accent) 52%, var(--line));background:var(--accent-soft);color:var(--accent)}.filter-trigger span{background:var(--accent);min-width:18px;height:18px;color:var(--surface);border-radius:50%;place-items:center;font-size:9px;display:grid}.calendar-filters{border:1px solid 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var(--line));background:var(--accent-soft);color:var(--accent)}.schedule-visibility-toggle.selected>span{background:var(--accent);color:var(--surface)}.schedule-visibility-toggle.selected>i{background:var(--accent)}.schedule-visibility-toggle.selected>i>b{transform:translate(18px)}.calendar-filters>p{color:var(--muted);margin:0;font-size:8px;line-height:1.5}.calendar-heading{gap:8px;margin-bottom:18px}.calendar-heading>p{color:var(--muted);text-align:center;flex:1;margin:0;font-size:11px}.today-button{border:1px solid var(--line);background:var(--card);cursor:pointer;border-radius:100px;min-height:44px;padding:0 14px;font-size:12px;font-weight:700}.month-nav{gap:4px}.month-nav .icon-button{background:0 0;border-radius:50%;width:44px;height:44px}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;display:grid}.weekday-row{color:#949990;text-align:center;margin-bottom:6px;font-size:10px}.date-cell{cursor:pointer;min-width:44px;height:44px;transition:background .16s 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var(--accent);background:var(--card);border-radius:1px;width:6px;height:6px;transform:rotate(45deg)}.week-mode{padding-left:8px;padding-right:8px}.week-version-bar{justify-content:space-between;align-items:center;gap:8px;min-height:44px;margin-bottom:9px;display:flex}.week-version-bar>small{color:var(--muted);text-align:right;font-size:8px}.week-version-switch{background:var(--soft);border-radius:12px;gap:3px;padding:3px;display:flex}.week-version-switch button{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;justify-content:center;align-items:center;gap:5px;padding:0 10px;font-size:9px;font-weight:750;display:inline-flex}.week-version-switch button.selected{background:var(--card);color:var(--ink);box-shadow:0 2px 8px #24272212}.week-timeline{border:1px solid var(--line);background:color-mix(in srgb, var(--soft) 34%, var(--card));border-radius:17px;overflow:hidden}.week-timeline-header{border-bottom:1px solid var(--line);background:var(--card);display:grid}.week-timeline.compact .week-timeline-header{grid-template-columns:28px repeat(7,minmax(0,1fr))}.week-timeline-header>span{color:var(--muted);place-items:center;font-size:6px;display:grid}.week-timeline-header button{border:0;border-left:1px solid var(--line);min-width:0;height:44px;color:var(--muted);cursor:pointer;background:0 0;align-content:center;place-items:center;gap:1px;padding:0;display:grid}.week-timeline-header button small{font-size:7px;font-weight:650}.week-timeline-header button strong{font-family:var(--font-numeric);font-variant-numeric:tabular-nums;font-size:12px;font-weight:760}.week-timeline-header button.active{background:var(--ink);color:var(--surface)}.week-timeline-body{display:grid}.week-timeline.compact .week-timeline-body{grid-template-columns:28px minmax(0,1fr)}.week-time-axis{z-index:2;border-right:1px solid var(--line);background:color-mix(in srgb, var(--card) 92%, transparent);position:relative}.week-time-axis span{color:var(--muted);font-family:var(--font-numeric);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:7px;line-height:1;position:absolute;right:4px;transform:translateY(-3px)}.week-timeline-columns{grid-template-columns:repeat(7,minmax(0,1fr));height:100%;display:grid}.week-timeline-day{border-right:1px solid var(--line);min-width:0;position:relative}.week-timeline-day:last-child{border-right:0}.week-timeline-day.selected-day{background:color-mix(in srgb, var(--accent-soft) 42%, transparent)}.week-hour-line{z-index:0;background:color-mix(in srgb, var(--line) 78%, transparent);pointer-events:none;height:1px;position:absolute;left:0;right:0}.week-timeline-lesson{z-index:1;cursor:pointer;text-align:left;border:1px solid;position:absolute;overflow:hidden;box-shadow:0 2px 5px #1f221d1f}.compact-lesson{text-align:center;border-radius:5px;flex-direction:column;justify-content:center;align-items:center;gap:0;min-height:20px;padding:1px;display:flex;left:1px;right:1px}.compact-lesson span,.compact-lesson strong,.compact-lesson small{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.compact-lesson span{font-family:var(--font-numeric);font-variant-numeric:tabular-nums;opacity:.86;font-size:6px;line-height:1.1}.compact-lesson strong{font-size:8px;line-height:1.15}.compact-lesson small{opacity:.9;font-size:7px;line-height:1.1}.compact-lesson.short-lesson span{display:none}.week-schedule-entry{z-index:3;border:1px dashed var(--accent);background:repeating-linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 92%, var(--card)) 0 6px, color-mix(in srgb, var(--card) 92%, var(--accent-soft)) 6px 12px);color:var(--accent);cursor:pointer;text-align:left;clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);position:absolute;overflow:hidden;box-shadow:0 2px 6px #1f221d1c}.week-schedule-entry.todo{border-color:color-mix(in srgb, #9b6b38 72%, var(--line));color:color-mix(in srgb, #9b6b38 80%, var(--ink));background:repeating-linear-gradient(135deg, color-mix(in srgb, var(--warm) 90%, var(--card)) 0 6px, color-mix(in srgb, var(--card) 94%, var(--warm)) 6px 12px)}.week-schedule-entry.completed{opacity:.68}.compact-schedule-entry{justify-content:center;align-items:center;gap:2px;min-height:16px;padding:1px;font-size:6px;display:flex;left:2px;right:2px}.compact-schedule-entry span{flex:none;font-size:6px;font-weight:900}.compact-schedule-entry strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:6px;overflow:hidden}.expanded-week-layer{z-index:70;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);animation:layer-enter .22s var(--ease-out) both;background:#12151294;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.expanded-week-dialog{border:1px solid color-mix(in srgb, var(--line) 86%, transparent);background:var(--surface);width:min(100%,980px);height:min(100%,820px);animation:sheet-enter .24s var(--ease-out) both;border-radius:30px;flex-direction:column;padding:22px;display:flex;overflow:hidden;box-shadow:0 32px 100px #0a0d0a57}.expanded-week-dialog>header{flex:none;justify-content:space-between;align-items:center;gap:18px;padding-bottom:14px;display:flex}.expanded-week-dialog>header .eyebrow{margin-bottom:4px}.expanded-week-dialog>header h2{font-family:var(--font-display);letter-spacing:-.045em;margin:0;font-size:27px}.expanded-week-dialog>header span{color:var(--muted);font-family:var(--font-numeric);font-variant-numeric:tabular-nums;margin-top:5px;font-size:10px;display:block}.week-return-button{border:1px solid var(--line);background:var(--card);min-height:44px;color:var(--ink);cursor:pointer;font:inherit;white-space:nowrap;touch-action:manipulation;border-radius:13px;justify-content:center;align-items:center;gap:7px;padding:0 13px;font-size:10px;font-weight:780;transition:border-color .18s,background-color .18s,color .18s;display:inline-flex}.week-return-button:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.week-return-button:active{background:color-mix(in srgb, var(--accent-soft) 78%, var(--accent))}.expanded-week-tools{flex:none;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin:0 0 10px;display:grid}.week-toolbar-return{grid-area:1/1}.expanded-week-hint{background:var(--accent-soft);min-height:44px;color:var(--accent);border-radius:11px;grid-area:2/1/auto/-1;align-items:center;gap:7px;margin:0;padding:7px 11px;font-size:9px;line-height:1.45;display:flex}.week-scroll-controls{grid-area:1/3;gap:6px;display:flex}.expanded-week-scroll{border:1px solid var(--line);background:var(--card);overscroll-behavior:contain;border-radius:18px;flex:1;min-height:0;scroll-padding:64px 0 0 60px;overflow:auto}.week-timeline.full{border:0;border-radius:0;width:max(100%,760px);overflow:visible}.week-timeline.full .week-timeline-header{z-index:5;grid-template-columns:60px repeat(7,minmax(96px,1fr));position:sticky;top:0}.week-timeline.full .week-timeline-header>span{z-index:6;background:var(--card);font-size:9px;position:sticky;left:0}.week-timeline.full .week-timeline-header button{height:58px}.week-timeline.full .week-timeline-header button small{font-size:9px}.week-timeline.full .week-timeline-header button strong{font-size:16px}.week-timeline.full .week-timeline-body{grid-template-columns:60px minmax(672px,1fr)}.week-timeline.full .week-time-axis{z-index:4;position:sticky;left:0}.week-timeline.full .week-time-axis span{font-size:8px;right:9px;transform:translateY(-4px)}.full-lesson{border-radius:10px;flex-direction:column;align-items:flex-start;min-height:42px;padding:6px 8px;display:flex;left:4px;right:4px}.full-lesson strong,.full-lesson span,.full-lesson small{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.full-lesson strong{font-family:var(--font-numeric);font-variant-numeric:tabular-nums;font-size:8px;line-height:1.25}.full-lesson span{margin-top:3px;font-size:11px;font-weight:800}.full-lesson small{opacity:.9;margin-top:2px;font-size:8px}.full-schedule-entry{flex-direction:column;align-items:flex-start;min-height:36px;padding:6px 8px;display:flex;left:6px;right:6px}.full-schedule-entry strong,.full-schedule-entry span,.full-schedule-entry small{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.full-schedule-entry strong{font-family:var(--font-numeric);font-size:8px}.full-schedule-entry span{margin-top:3px;font-size:10px;font-weight:800}.full-schedule-entry small{opacity:.82;margin-top:2px;font-size:8px}.schedule-section{margin-top:30px}.section-heading{justify-content:space-between;gap:14px;margin-bottom:14px}.section-heading.compact{margin:0 0 18px}.section-heading h3{letter-spacing:-.02em;margin:0;font-family:Georgia,Songti SC,serif;font-size:23px}.schedule-heading-meta{align-items:center;gap:8px;display:flex}.schedule-heading-meta>small{color:var(--muted);white-space:nowrap;font-size:8px}.count-badge{background:var(--soft);color:var(--muted);border-radius:100px;padding:7px 11px;font-size:11px}.lesson-card{border:1px solid var(--line);background:var(--card);text-align:left;cursor:pointer;width:100%;min-height:88px;transition:border-color .18s var(--ease-out), transform .14s var(--ease-out), box-shadow .18s var(--ease-out);border-left-width:4px;border-radius:22px;gap:13px;margin-bottom:10px;padding:15px 14px;box-shadow:0 5px 18px #24272206}.lesson-card:hover{border-color:color-mix(in srgb, var(--accent) 48%, var(--line));box-shadow:0 10px 28px #2427220f}.long-pressable{isolation:isolate;touch-action:pan-x pan-y;position:relative}.long-pressable:after{content:"";z-index:5;background:var(--danger);clip-path:inset(0 100% 0 0 round 999px);opacity:0;pointer-events:none;border-radius:999px;height:3px;position:absolute;bottom:3px;left:5px;right:5px}.long-pressable.long-pressing:after{clip-path:inset(0 round 999px);opacity:1;transition:clip-path .65s linear, opacity 90ms var(--ease-out)}.long-pressable.long-press-selected{outline:2px solid var(--danger);outline-offset:2px;box-shadow:0 0 0 4px color-mix(in srgb, var(--danger) 13%, transparent), 0 8px 24px #4a1e1c24}.schedule-entry-card{border:1px dashed var(--accent);background:repeating-linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 72%, var(--card)) 0 9px, var(--card) 9px 18px);width:100%;min-height:82px;color:var(--ink);text-align:left;cursor:pointer;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);transition:transform .14s var(--ease-out), border-color .18s var(--ease-out), box-shadow .18s var(--ease-out);border-radius:20px 7px;grid-template-columns:38px 58px minmax(0,1fr) auto 16px;align-items:center;gap:11px;margin-bottom:10px;padding:13px 14px;display:grid}.schedule-entry-card.todo{border-color:color-mix(in srgb, #9b6b38 70%, var(--line));background:repeating-linear-gradient(135deg, color-mix(in srgb, var(--warm) 68%, var(--card)) 0 9px, var(--card) 9px 18px)}.schedule-entry-card.completed{opacity:.7}.schedule-shape{background:var(--card);width:34px;height:34px;color:var(--accent);border:1px dashed;place-items:center;display:grid;transform:rotate(45deg)}.schedule-shape svg{transform:rotate(-45deg)}.schedule-entry-card.todo .schedule-shape{color:#8b6338}.schedule-entry-info{min-width:0}.schedule-entry-info 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0 0;font-size:11px;overflow:hidden}.lesson-info .lesson-location{color:var(--ink);align-items:center;gap:4px;font-size:10px;font-weight:700;display:flex}.lesson-location svg{color:var(--muted);flex:none}.avatar{border-radius:13px;flex:none;place-items:center;width:38px;height:38px;font-family:Georgia,serif;font-weight:700;display:grid}.avatar-mia{color:#5c526f;background:#e5e0ed}.avatar-leo{color:#4d644b;background:#e4ede1}.avatar-emma{color:#775a43;background:#efe2d6}:root[data-theme=dark] .avatar-mia{color:#c5b9d7;background:#332f3b}:root[data-theme=dark] .avatar-leo{color:#b4caae;background:#293329}:root[data-theme=dark] .avatar-emma{color:#ddbd9f;background:#392f28}.avatar.large{border-radius:18px;width:54px;height:54px;font-size:19px}.avatar.xlarge{border-radius:24px;width:72px;height:72px;font-size:25px}.avatar.small{border-radius:11px;width:34px;height:34px;font-size:12px}.status{white-space:nowrap;border-radius:100px;padding:7px 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16px}.primary-button{background:var(--ink);color:var(--surface);border:0;padding:0 18px}.danger-button{border:1px solid color-mix(in srgb, var(--danger) 38%, var(--line));background:color-mix(in srgb, var(--danger) 8%, var(--card));width:46px;color:var(--danger)}.text-button,.back-button{color:var(--accent);background:0 0;border:0;padding:0 4px}.grow{flex:1}.search-field{border:1px solid var(--line);background:var(--card);height:50px;color:var(--muted);border-radius:16px;align-items:center;gap:10px;margin-bottom:18px;padding:0 15px;display:flex}.search-field input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:14px}.student-status-filter{background:var(--soft);border-radius:16px;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:-4px 0 16px;padding:5px;display:grid}.student-status-filter button{min-width:0;min-height:44px;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:12px;padding:0 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strong{color:var(--ink);margin-bottom:3px;font-size:12px;display:block}.detail-actions{justify-content:space-between;margin-bottom:20px;display:flex}.student-hero{align-items:center;gap:17px;display:flex}.student-hero h3{margin:0 0 5px;font-family:Georgia,Songti SC,serif;font-size:30px}.student-hero p:last-child{color:var(--muted);margin:0;font-size:12px}.summary-strip{border:1px solid var(--line);background:var(--card);border-radius:20px;grid-template-columns:repeat(3,1fr);margin:24px 0 18px;padding:16px;display:grid}.summary-strip span{color:var(--muted);text-align:center;font-size:9px}.summary-strip span+span{border-left:1px solid var(--line)}.summary-strip strong{color:var(--ink);margin-bottom:5px;font-size:15px;display:block}.location-card{border:1px solid var(--line);background:var(--card);border-radius:19px;grid-template-columns:auto 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label>span{color:var(--muted);margin-bottom:7px;font-size:10px;font-weight:700;display:block}.archive-fields textarea{min-height:92px}.archive-save-hint{color:var(--accent);align-items:center;gap:6px;margin:0;font-size:9px;display:flex}.timeline{padding-left:12px;position:relative}.timeline:before{content:"";background:var(--line);width:1px;position:absolute;top:10px;bottom:20px;left:17px}.timeline button{text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:20px 1fr auto;gap:12px;width:100%;min-height:88px;padding:10px 0;display:grid;position:relative}.timeline button>div span,.timeline button>div strong,.timeline button>div p{display:block}.timeline button>div span{color:var(--muted);font-size:9px}.timeline button>div strong{margin-top:5px;font-size:13px}.timeline button>div p{color:var(--muted);margin:5px 0 0;font-size:10px;line-height:1.5}.timeline button>svg{color:var(--muted);align-self:center}.mastery-dot{z-index:1;border:3px solid var(--surface);width:11px;height:11px;box-shadow:0 0 0 1px var(--line);border-radius:50%;margin:4px 0 0;position:relative}.mastery-dot.已掌握{background:#668362}.mastery-dot.需要巩固{background:#b98b42}.mastery-dot.未掌握{background:#b66058}.mastery-badges{gap:4px;margin-top:8px;display:grid}.mastery-badges span{color:var(--muted);background:var(--soft);border-radius:8px;padding:6px 8px;font-size:9px;line-height:1.45;display:block}.mastery-badges span b{color:var(--ink);margin-right:6px}.mastery-badges span.mastered{background:var(--accent-soft);color:color-mix(in srgb, var(--accent) 84%, var(--muted))}.mastery-badges span.practice{background:var(--warm);color:#806338}:root[data-theme=dark] .mastery-badges span.practice{color:#d8bd8d}.mastery-badges span.not-mastered{background:color-mix(in srgb, var(--danger) 9%, 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button.active{color:var(--ink)}.income-hero{color:#fff;background:#273128;border-radius:28px;min-height:394px;padding:22px;position:relative;overflow:hidden}.income-hero:after{content:"";border:1px solid #ffffff17;border-radius:50%;width:240px;height:240px;position:absolute;top:-110px;right:-80px;box-shadow:0 0 0 44px #ffffff06}.income-hero p{color:#aeb9ab;margin:0 0 7px;font-size:11px}.income-period-heading{z-index:1;justify-content:space-between;align-items:flex-start;gap:14px;display:flex;position:relative}.income-period-heading>div{min-width:0}.income-period-heading strong{font-family:var(--font-numeric);letter-spacing:-.055em;font-variant-numeric:tabular-nums;font-size:clamp(36px,9vw,46px);font-weight:680;line-height:1;display:block}.income-period-heading>small{color:#cbd4c8;text-align:right;background:#ffffff0f;border:1px solid #ffffff1a;border-radius:10px;flex:none;max-width:118px;padding:7px 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