:root{color-scheme:light;--color-canvas: #fff9f2;--color-surface: #ffffff;--color-ink: #21182b;--color-muted: #665d70;--color-border: #e9e2ed;--color-violet: #6c4dff;--color-pink: #ff4f8b;--color-orange: #ff8a00;--color-yellow: #ffd84d;--color-mint: #2ecf95;--color-cobalt: #2378ff;--color-violet-soft: #eee9ff;--color-pink-soft: #fff0f5;--color-mint-soft: #e8fff6;--color-blue-soft: #eaf2ff;--color-danger: #c72b4e;--color-focus: #21182b;--shadow-float: 0 14px 34px rgb(33 24 43 / .1);--radius-control: 12px;--radius-panel: 18px;--radius-focus: 24px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--motion-fast: .14s;--motion-standard: .22s;--color-orange-soft: #fff0dd;--color-yellow-soft: #fff7d6;--brand-gradient: linear-gradient(135deg, var(--color-violet), var(--color-pink));--hover-violet: var(--color-violet-soft);--hover-pink: var(--color-pink-soft);--hover-mint: var(--color-mint-soft);--hover-cobalt: var(--color-blue-soft);--sticker-border: 2px solid var(--color-ink);--sticker-shadow: 3px 3px 0 var(--color-ink);--sticker-shadow-hover: 5px 5px 0 var(--color-ink);--fs-display: 30px;--fs-title: 24px;--fs-section: 19px;--fs-body: 16px;--fs-table: 14px;--fs-aux: 13px;--lh-body: 1.5;--lh-title: 1.3;--radius-card: 15px;--radius-modal: 20px;--motion-slow: .28s;--ease-out: cubic-bezier(.2, .8, .2, 1);--color-info-ink: #214c93;--color-info-border: #cfe0ff;--color-success-ink: #116543;--color-success-border: #bdeedb;--color-error-ink: #94223d;--color-error-border: #ffc9da}.quick-search{position:relative;display:flex;align-items:center;width:100%}.quick-search__icon{position:absolute;z-index:1;left:14px;width:17px;height:17px;color:var(--color-muted);pointer-events:none}.quick-search input{width:100%;min-height:40px;padding:8px 58px 8px 40px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-surface);transition:border-color var(--motion-fast) 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12px;color:var(--color-muted);font-size:var(--fs-table);text-align:center}.android-download-card{width:min(100%,440px);padding:18px;border:1px solid color-mix(in srgb,var(--color-violet) 22%,var(--color-border));border-radius:20px;background:radial-gradient(circle at 92% 8%,rgb(255 216 77 / .34),transparent 34%),linear-gradient(145deg,var(--color-surface),var(--color-violet-soft));box-shadow:0 12px 28px #21182b14}.android-download-card__heading{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:11px}.android-download-card__heading small{color:var(--color-muted);font-size:.72rem;font-weight:700;letter-spacing:.04em}.android-download-card__heading h3{margin:2px 0 0;color:var(--color-ink);font-size:1rem}.android-download-card__icon{display:grid;width:42px;height:42px;place-items:center;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--color-violet),var(--color-pink));box-shadow:0 8px 16px #6c4dff33}.android-download-card__icon svg{width:21px;height:21px}.android-download-card__badge{display:inline-flex;align-items:center;gap:4px;padding:5px 8px;border-radius:999px;color:color-mix(in srgb,var(--color-mint) 45%,var(--color-ink));background:var(--color-mint-soft);font-size:.7rem;font-weight:750}.android-download-card__badge svg{width:14px;height:14px}.android-download-card>p{margin:13px 0 10px;color:var(--color-muted);font-size:.82rem;line-height:1.65}.android-download-card ul,.android-download-card ol{margin:0;padding-left:1.15rem;color:var(--color-muted);font-size:.76rem;line-height:1.75}.android-download-card__download{display:flex;min-height:46px;align-items:center;justify-content:center;gap:8px;margin-top:14px;border-radius:14px;color:#fff;background:linear-gradient(105deg,var(--color-violet),var(--color-pink));box-shadow:0 10px 20px #6c4dff38;font-size:.88rem;font-weight:780;text-decoration:none;transition:transform var(--motion-fast) ease,box-shadow var(--motion-fast) 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var(--color-blue-soft)}.decor--orange{--decor-color: var(--color-orange-soft)}.decor--yellow{--decor-color: var(--color-yellow-soft)}.decor--sm{width:64px;height:64px}.decor--md{width:120px;height:120px}.decor--lg{width:200px;height:200px}.decor--bar{width:160px;height:20px}.decor--tl{top:var(--space-4);left:var(--space-4)}.decor--tr{top:var(--space-4);right:var(--space-4)}.decor--bl{bottom:var(--space-4);left:var(--space-4)}.decor--br{right:var(--space-4);bottom:var(--space-4)}.app-shell{min-height:100vh}.sidebar{position:fixed;z-index:30;inset:0 auto 0 0;display:flex;width:236px;flex-direction:column;padding:24px 16px;color:var(--color-ink);background:var(--color-surface);border-right:1px solid var(--color-border)}.brand{position:relative;display:flex;min-height:88px;align-items:center;gap:12px;margin:-24px -16px 0;padding:22px 24px;overflow:hidden;border-radius:0 0 28px;color:#fff;background:var(--brand-gradient);font-size:1.08rem;font-weight:850;letter-spacing:-.02em}.brand__decor{top:14px;right:16px;width:54px;height:40px;--decor-color: rgb(255 255 255 / .38);--decor-gap: 12px}.brand__mark{display:grid;width:40px;height:40px;flex:0 0 auto;place-items:center;border:var(--sticker-border);border-radius:var(--radius-control);color:var(--color-violet);background:var(--color-yellow);box-shadow:var(--sticker-shadow)}.brand__mark svg{width:21px;height:21px}.sidebar__nav{display:grid;gap:var(--space-2);margin-top:var(--space-6)}.nav-link{display:flex;min-height:48px;align-items:center;gap:12px;padding:0 14px;border:2px solid transparent;border-radius:var(--radius-card);color:var(--color-ink);font-size:.93rem;font-weight:700;transition:color var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out)}.nav-link:hover{color:var(--color-violet);background:var(--color-violet-soft);transform:translate(2px)}.nav-link--active,.nav-link--active:hover{border-color:var(--color-ink);color:var(--color-violet);background:var(--color-violet-soft);box-shadow:2px 2px 0 var(--color-ink);font-weight:800}.sidebar__footer{display:flex;align-items:center;gap:10px;margin-top:auto;padding:12px 14px;border:1px solid color-mix(in srgb,var(--color-violet) 24%,var(--color-surface));border-radius:var(--radius-card);color:var(--color-violet);background:var(--color-violet-soft);font-size:.78rem;font-weight:700}.app-column{min-width:0;min-height:100vh;margin-left:236px}.desktop-topbar{position:sticky;z-index:20;top:0;display:grid;min-height:72px;grid-template-columns:minmax(0,1fr) minmax(220px,390px) 40px 40px;align-items:center;justify-content:end;gap:12px;padding:14px clamp(22px,3vw,44px);border-bottom:1px solid var(--color-border);background:color-mix(in srgb,var(--color-canvas) 92%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.context-controls{display:flex;align-items:center;gap:8px}.context-control{display:flex;min-height:40px;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-surface);font-size:.8rem;font-weight:700;transition:border-color var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out)}.context-control svg{width:16px;height:16px;color:var(--color-violet)}.context-control svg:last-child{color:var(--color-muted)}.class-switcher{position:relative;min-width:0}.class-switcher>.context-control{max-width:min(330px,28vw)}.class-switcher>.context-control>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.class-switcher>.context-control[aria-expanded=true]{border-color:var(--color-violet);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-violet) 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0)}.mobile-drawer--agent{position:fixed;z-index:65;inset:0;display:grid;place-items:end;padding:18px 18px 76px;background:color-mix(in srgb,var(--color-ink) 32%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mobile-drawer--agent nav{display:grid;width:min(340px,100%);max-height:min(620px,calc(100dvh - 96px));gap:var(--space-2);padding:10px;overflow-y:auto;border:1px solid var(--color-border);border-radius:22px;background:color-mix(in srgb,var(--color-surface) 98%,transparent);box-shadow:0 24px 70px #21182b47;animation:fade-in-up var(--motion-standard) var(--ease-out)}.mobile-drawer--agent .nav-link{border-color:var(--color-border);color:var(--color-muted);background:var(--color-surface)}.mobile-drawer--agent .nav-link--active,.mobile-drawer--agent 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p{max-width:520px;color:var(--color-muted);line-height:1.65}.login-page{position:relative;display:grid;min-height:100vh;grid-template-columns:minmax(420px,.95fr) minmax(480px,1.05fr);overflow:hidden;background:var(--color-canvas)}.login-decor--energy-dots{top:44px;right:48px;width:132px;height:96px}.login-decor--panel-checker{top:44px;left:48px;width:128px;height:32px}.login-decor--panel-dots{right:56px;bottom:48px;width:108px;height:80px}.login-energy{position:relative;display:flex;min-height:100vh;flex-direction:column;justify-content:space-between;overflow:hidden;padding:clamp(32px,5vw,72px);color:var(--color-ink);background:radial-gradient(circle at 88% 10%,var(--color-violet-soft),transparent 46%),var(--color-canvas)}.login-brand{display:flex;align-items:center;gap:12px;font-size:1.05rem;font-weight:850}.login-brand svg{color:var(--color-violet)}.login-energy__content{display:grid;max-width:620px;gap:22px;margin:auto 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svg{width:clamp(120px,12vw,178px);height:clamp(120px,12vw,178px);color:var(--color-yellow);filter:drop-shadow(0 18px 22px rgb(40 20 117 / .27));stroke-width:1.5}.quick-stack{display:grid;min-width:0;gap:15px}.quick-card{min-height:171px;padding:19px 20px;border-radius:var(--radius-control);color:var(--color-ink);box-shadow:var(--sticker-shadow);transition:box-shadow var(--motion-fast) var(--ease-out)}.quick-card:hover{box-shadow:var(--sticker-shadow-hover)}.quick-card--record{background:var(--color-yellow)}.quick-card--todo{background:var(--color-pink)}.quick-card>header{display:flex;min-height:30px;align-items:center;justify-content:space-between;gap:10px}.quick-card h2{font-size:1.02rem;letter-spacing:-.02em}.quick-card__add{display:grid;width:34px;height:34px;padding:0;place-items:center;border:1px solid rgb(33 24 43 / .14);border-radius:50%;color:var(--color-ink);background:#ffffffd9;transition:transform var(--motion-fast) var(--ease-out),background var(--motion-fast) 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8px}.tag--teaching{color:var(--color-ink);background:var(--color-violet-soft)}.tag--class{color:var(--color-ink);background:var(--color-blue-soft)}.tag--family{color:var(--color-ink);background:var(--color-pink-soft)}.tag--personal{color:var(--color-ink);background:var(--color-yellow-soft)}.todo-status{min-height:25px;padding:4px 9px;color:var(--color-muted);background:var(--color-border)}.todo-status--completed{color:var(--color-ink);background:var(--color-mint-soft)}.todo-status--cancelled{color:var(--color-ink);background:var(--color-pink-soft)}.todo-row__record{display:grid;width:34px;height:34px;padding:0;place-items:center;border:1px solid var(--color-border);border-radius:9px;color:var(--color-muted);background:#fff}.todo-row__record:hover{color:var(--color-ink);border-color:var(--color-muted)}.todo-row__record svg{width:17px;height:17px}.today-rail{grid-auto-rows:min-content}.rail-card{padding:18px}.next-schedule .panel-heading,.activity-card 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