*{box-sizing:border-box}[hidden]{display:none!important}[data-theme=dark]{--theme-bg: #0d1522;--theme-surface: rgba(23, 34, 53, .86);--theme-surface-strong: #172235;--theme-line: rgba(146, 178, 216, .18);--theme-text: #e8eef8;--theme-muted: #9eacc1;--theme-brand: #4d9fe8;--theme-brand-strong: #7bbcf5;--theme-mint: #34d3c1;--theme-shadow: 0 20px 60px rgba(0, 0, 0, .42);--theme-shadow-soft: 0 12px 32px rgba(0, 0, 0, .3)}[data-theme=dark] body{color-scheme:dark}body{margin:0;background:var(--theme-bg);color:var(--theme-text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.tch-screen-message{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}.tch-shell{min-height:100vh;display:grid;grid-template-columns:57px minmax(0,1fr);transition:grid-template-columns .34s cubic-bezier(.22,1,.36,1)}.tch-shell.tch-sidebar-pinned{grid-template-columns:236px minmax(0,1fr)}.tch-sidebar{position:sticky;top:0;z-index:25;display:flex;flex-direction:column;gap:2px;width:57px;height:100dvh;min-height:0;padding:10px 8px 8px;background:var(--theme-surface);border-right:1px solid var(--theme-line);overflow:visible;transition:width .34s cubic-bezier(.22,1,.36,1)}.tch-sidebar-pinned .tch-sidebar{width:236px}.tch-sidebar-toggle{position:absolute;z-index:2;top:22px;right:-15px;display:grid;place-items:center;width:30px;height:30px;padding:0;border:1px solid var(--theme-line);border-radius:50%;background:var(--theme-surface-strong);color:var(--theme-muted);cursor:pointer;box-shadow:var(--theme-shadow-soft);transition:color var(--motion-fast) var(--motion-ease),transform var(--motion-fast) var(--motion-ease)}.tch-sidebar-toggle:hover{color:var(--theme-brand);transform:scale(1.06)}.tch-sidebar-toggle .ph{font-size:14px}.tch-brand{display:flex;align-items:center;height:37px;min-height:37px;margin:0 0 5px;padding:0 8px 5px 0;border-bottom:1px solid var(--theme-line);color:var(--theme-text);text-decoration:none;white-space:nowrap;overflow:hidden}.tch-brand img{width:26px;height:26px;flex:0 0 26px;margin:0 7px;object-fit:contain}.tch-brand span{min-width:0;overflow:hidden}.tch-brand strong{display:block;font-size:15px;letter-spacing:-.015em}.tch-brand small{color:var(--theme-muted);font-size:10.5px}.tch-nav{display:flex;flex-direction:column;gap:1px;flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden}.tch-nav-item{display:flex;align-items:center;flex:none;height:32px;min-height:32px;padding:0 8px 0 0;border:0;border-radius:7px;background:transparent;color:var(--theme-muted);font:inherit;font-size:13.5px;font-weight:600;text-align:left;text-decoration:none;cursor:pointer;width:100%;white-space:nowrap;overflow:hidden;transition:background var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease)}.tch-nav-item:hover{background:color-mix(in srgb,var(--theme-brand) 10%,transparent);color:var(--theme-text)}.tch-nav-item.active{background:color-mix(in srgb,var(--theme-brand) 14%,transparent);color:var(--theme-brand);font-weight:700}.tch-nav-item i{display:grid;width:40px;flex:0 0 40px;place-items:center;font-size:19px}.tch-nav-item span.tch-nav-count{display:grid;min-width:19px;height:17px;margin-left:auto;padding:0 5px;place-items:center;border-radius:999px;background:color-mix(in srgb,var(--theme-text) 9%,transparent);color:var(--theme-muted);font-size:10.5px;font-weight:750}.tch-nav-group{display:flex;flex-direction:column;gap:1px;margin-left:19px;padding-left:1px;border-left:1px solid var(--theme-line)}.tch-nav-sub{height:28px;min-height:28px;font-size:13px}.tch-nav-sub>i{width:19px;flex:0 0 19px;font-size:15px}.tch-nav-item>.tch-class-dot{width:9px;height:9px;flex:0 0 9px;margin:0 15.5px}.tch-nav-sub>.tch-class-dot{margin:0 5px}.tch-nav-section{display:flex;align-items:center;justify-content:space-between;height:22px;min-height:22px;margin:8px 0 1px;padding:0 8px;border:0;border-radius:6px;background:transparent;color:var(--theme-muted);font:inherit;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease)}.tch-nav-section:hover{background:color-mix(in srgb,var(--theme-brand) 10%,transparent);color:var(--theme-text)}.tch-nav-section i{font-size:12px;transition:transform var(--motion-fast) var(--motion-ease)}.tch-nav-section[aria-expanded=false] i{transform:rotate(-90deg)}.tch-nav-rule{height:1px;flex:none;margin:8px;background:var(--theme-line)}.tch-sidebar-foot{display:flex;flex-direction:column;gap:1px;flex:none;margin-top:auto;padding-top:8px;border-top:1px solid var(--theme-line)}@media(min-width:821px){.tch-shell:not(.tch-sidebar-pinned) .tch-nav{overflow:visible}.tch-shell:not(.tch-sidebar-pinned) .tch-brand{padding-right:0}.tch-shell:not(.tch-sidebar-pinned) .tch-brand span{display:none}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-item{justify-content:center;padding:0;font-size:0}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-item span.tch-nav-count{display:none}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-group{margin-left:0;padding-left:0;border-left:0}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-sub>i,.tch-shell:not(.tch-sidebar-pinned) .tch-nav-sub>.tch-class-dot{margin:0}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-section{padding:0;font-size:0;pointer-events:none;background:linear-gradient(var(--theme-line),var(--theme-line)) center / calc(100% - 12px) 1px no-repeat}.tch-shell:not(.tch-sidebar-pinned) .tch-nav-section i{display:none}.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]{position:relative;overflow:visible}.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:after{content:attr(data-tooltip);position:absolute;left:calc(100% + 14px);top:50%;z-index:50;width:max-content;padding:7px 12px;border-radius:9px;background:var(--theme-text);color:var(--theme-bg);font-size:12.5px;font-weight:650;line-height:1.2;white-space:nowrap;box-shadow:var(--theme-shadow-soft);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-50%) translate(-4px);transition:opacity var(--motion-fast) var(--motion-ease),transform var(--motion-fast) var(--motion-ease),visibility var(--motion-fast)}.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:before{content:"";position:absolute;left:calc(100% + 7px);top:50%;z-index:50;border:5px solid transparent;border-right-color:var(--theme-text);opacity:0;visibility:hidden;transform:translateY(-50%);transition:opacity var(--motion-fast) var(--motion-ease),visibility var(--motion-fast)}.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:hover:after,.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:hover:before,.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:focus-visible:after,.tch-shell:not(.tch-sidebar-pinned) [data-tooltip]:focus-visible:before{opacity:1;visibility:visible;transform:translateY(-50%) translate(0)}}@media(prefers-reduced-motion:reduce){.tch-shell,.tch-sidebar,.tch-sidebar-toggle,.tch-nav-item,.tch-nav-section i{transition:none}}.tch-main-col{display:flex;flex-direction:column;min-width:0}.tch-page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap}.tch-page-head h1{margin:0 0 4px;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.03em}.tch-page-actions{display:flex;gap:8px;align-items:center}.tch-eyebrow{color:var(--theme-muted);font-size:10px;font-weight:800;letter-spacing:.12em}.tch-home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start}.tch-span-2{grid-column:span 2}.tch-panel-card{background:var(--theme-surface);border:1px solid var(--theme-line);border-radius:var(--theme-radius-xl);box-shadow:var(--theme-shadow-soft);padding:18px;min-width:0}.tch-panel-head{margin-bottom:12px}.tch-panel-head h2{margin:3px 0 0;font-size:1.02rem;display:flex;align-items:center;gap:8px}.tch-panel-head h2 i{color:var(--theme-muted);font-size:18px}.tch-home-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--theme-line);font-size:.9rem}.tch-home-row:first-child{border-top:0}.tch-home-row .tch-home-copy{min-width:0;flex:1}.tch-home-row .tch-home-copy strong{display:block;font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tch-home-row .tch-home-copy small{display:block;color:var(--theme-muted);font-size:.78rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tch-time-tile{min-width:54px;text-align:center;flex:none;background:var(--theme-surface-strong);border-radius:10px;padding:6px 4px;font-size:.78rem;font-variant-numeric:tabular-nums}.tch-all-clear{display:flex;align-items:center;gap:8px;color:var(--theme-mint);font-size:.88rem;padding:8px 0}.tch-attention .tch-home-row i{color:#d98324;flex:none}.tch-class-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.tch-mini-card{border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg);padding:14px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color var(--motion-fast) var(--motion-ease)}.tch-mini-card:hover{border-color:var(--theme-brand)}.tch-mini-card strong{font-size:.95rem}.tch-class-dot{flex:none;width:10px;height:10px;border-radius:50%;border:0;padding:0;background:var(--class-color, var(--theme-muted))}.tch-class-dot.large{width:14px;height:14px}.tch-class-dot.large:not(:disabled){cursor:pointer}.tch-class-dot.large:not(:disabled):hover{box-shadow:0 0 0 4px color-mix(in srgb,var(--class-color, var(--theme-brand)) 25%,transparent)}.tch-class-dot.large:focus-visible{outline:2px solid var(--theme-brand);outline-offset:3px}.tch-mini-card{border-left:3px solid var(--class-color, var(--theme-line))}.tch-color-field{border:0;padding:0;margin:0}.tch-color-field legend{padding:0;margin-bottom:6px;font-size:.78rem;font-weight:600;color:var(--theme-muted)}.tch-swatches{display:flex;flex-wrap:wrap;gap:8px}.tch-swatch{position:relative;cursor:pointer;line-height:0;flex:0 0 auto}.tch-swatch input{position:absolute;opacity:0;width:0;height:0}.tch-swatch span{display:block;width:26px;height:26px;flex:none;border-radius:50%;background:var(--swatch);box-shadow:inset 0 0 0 1px #0000001f;transition:box-shadow var(--motion-fast) var(--motion-ease)}.tch-swatch:hover span{box-shadow:inset 0 0 0 1px #0000001f,0 0 0 3px color-mix(in srgb,var(--swatch) 30%,transparent)}.tch-swatch input:checked+span{box-shadow:inset 0 0 0 1px #0000001f,0 0 0 3px var(--theme-bg),0 0 0 5px var(--swatch)}.tch-swatch input:focus-visible+span{outline:2px solid var(--theme-brand);outline-offset:4px}.tch-swatch.used span{opacity:.55}.tch-swatch b{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.tch-cal-weekdays,.tch-cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.tch-cal-weekdays{gap:8px;margin-bottom:6px}.tch-cal-weekdays span{font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--theme-muted);text-transform:uppercase;padding-left:4px}.tch-cal-grid{gap:8px}.tch-cal-day{min-height:104px;padding:8px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface);display:flex;flex-direction:column;gap:4px}.tch-cal-day.other-month{opacity:.45}.tch-cal-day.today{border-color:var(--theme-brand)}.tch-cal-date{font-size:.76rem;color:var(--theme-muted);font-variant-numeric:tabular-nums}.tch-cal-day.today .tch-cal-date{color:var(--theme-brand);font-weight:700}.tch-cal-event{font-size:.72rem;padding:3px 6px;border-radius:6px;background:var(--theme-surface-strong);color:var(--theme-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-left:3px solid var(--theme-brand)}.tch-cal-event.deadline{border-left-color:#d98324}.tch-cal-event.teachers-only{border-left-style:dashed}.tch-form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tch-weekdays{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.tch-weekdays label{cursor:pointer;min-width:0}.tch-weekdays input{position:absolute;opacity:0;pointer-events:none}.tch-weekdays span{display:grid;place-items:center;height:32px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg);font-size:.76rem;font-weight:600;color:var(--theme-muted);transition:background var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease)}.tch-weekdays label:hover span{border-color:var(--theme-brand);color:var(--theme-text)}.tch-weekdays input:checked+span{background:var(--theme-brand);border-color:var(--theme-brand);color:#fff}.tch-weekdays input:focus-visible+span{outline:2px solid var(--theme-brand);outline-offset:2px}.tch-check{flex-direction:row!important;align-items:center;gap:9px!important;font-weight:400!important}.tch-check input{width:auto}.tch-meet-field{border:0;padding:0;margin:0;min-width:0;display:flex;flex-direction:column;min-height:0}.tch-meet-field legend{display:none}.tch-step{display:flex;flex-direction:column;gap:10px;flex:none}.tch-step-head{display:flex;align-items:center;gap:10px;margin:0;font-size:.98rem;font-weight:650;letter-spacing:-.01em}.tch-step-num{display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:50%;background:var(--theme-brand);color:#fff;font-size:.74rem;font-weight:700}.tch-form label>.tch-label{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px}.tch-hint{margin:-4px 0 0;font-size:.79rem;color:var(--theme-muted);line-height:1.5}.tch-ask{display:flex;flex-direction:column;gap:8px;padding:11px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface-strong)}.tch-ask-label{flex-direction:row!important;align-items:center;gap:8px;font-size:.85rem!important;font-weight:600!important}.tch-ask-label i{color:var(--theme-brand);font-size:17px}.tch-meet-ai{display:flex;gap:8px;align-items:stretch}.tch-meet-ai input{flex:1 1 auto;min-width:0}.tch-meet-ai .tch-btn{flex:0 0 auto;white-space:nowrap}.tch-meet-status{margin:0;font-size:.8rem;line-height:1.45}.tch-or{display:flex;align-items:center;gap:10px;margin:0;font-size:.78rem;color:var(--theme-muted)}.tch-or:before,.tch-or:after{content:"";flex:1;height:1px;background:var(--theme-line)}.tch-meetings{display:flex;flex-direction:column;gap:9px;flex:1 1 auto;min-height:0;overflow-y:auto}.tch-meeting{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid var(--theme-line);border-radius:var(--theme-radius)}.tch-meeting-head{display:flex;align-items:center;gap:10px}.tch-meeting-head .tch-weekdays{flex:1 1 auto;min-width:0}.tch-meeting-head .tch-icon-btn{flex:0 0 auto}.tch-meeting-when{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:9px}.tch-meeting-when label{gap:3px!important;font-size:.73rem!important;font-weight:600!important;color:var(--theme-muted)}.tch-meeting-when input{font-size:.9rem;width:100%;min-width:0}.tch-meet-add{align-self:flex-start}.tch-step-grow{flex:1 1 auto;min-height:0}.tch-app{min-height:100vh;display:flex;flex-direction:column}.tch-appbar{display:flex;align-items:center;gap:12px;padding:14px 22px;border-bottom:1px solid var(--theme-line);background:var(--theme-surface)}.tch-appbar-title{font-size:1.1rem;margin:0}.tch-appbar-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.tch-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface);color:var(--theme-text);cursor:pointer;transition:background var(--motion-fast) var(--motion-ease)}.tch-icon-btn:hover{background:var(--theme-surface-strong)}.tch-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface);color:var(--theme-text);font:inherit;font-size:.9rem;cursor:pointer;text-decoration:none;transition:background var(--motion-fast) var(--motion-ease)}.tch-btn:hover{background:var(--theme-surface-strong)}.tch-btn.primary{background:var(--theme-brand);border-color:var(--theme-brand);color:#fff}.tch-btn.primary:hover{background:var(--theme-brand-strong)}.tch-btn.danger{color:#c0392b}.tch-main{flex:1;width:min(1060px,100%);margin:0 auto;padding:22px}.tch-muted{color:var(--theme-muted);font-size:.85rem}.tch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.tch-card{border:1px solid var(--theme-line);border-radius:var(--theme-radius-xl);background:var(--theme-surface);box-shadow:var(--theme-shadow-soft);padding:18px;cursor:pointer;display:flex;flex-direction:column;gap:6px;transition:box-shadow var(--motion-fast) var(--motion-ease)}.tch-card:hover{box-shadow:var(--theme-shadow)}.tch-card strong{font-size:1.02rem}.tch-card .tch-role-chip{align-self:flex-start;font-size:.72rem;padding:2px 8px;border-radius:999px;border:1px solid var(--theme-line);color:var(--theme-muted);text-transform:uppercase;letter-spacing:.04em}.tch-empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:60px 20px;text-align:center;color:var(--theme-muted)}.tch-empty i{font-size:44px}.tch-empty strong{color:var(--theme-text);font-size:1.1rem}.tch-detail-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.tch-detail-title h2{margin:0;font-size:1.25rem}.tch-detail-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.tch-preview-banner{display:flex;align-items:center;gap:10px;padding:10px 14px;margin-bottom:14px;font-size:.88rem;border:1px solid var(--theme-brand);border-radius:var(--theme-radius);background:var(--theme-surface-strong)}.tch-preview-banner .tch-btn{margin-left:auto}.tch-code-chip{display:inline-flex;align-items:center;gap:8px;border:1px dashed var(--theme-line);border-radius:var(--theme-radius);padding:6px 12px;background:var(--theme-surface)}.tch-code-chip strong{letter-spacing:.18em;font-size:1.05rem}.tch-tabs{display:flex;gap:4px;border-bottom:1px solid var(--theme-line);margin-bottom:16px}.tch-tab{padding:9px 16px;border:0;background:none;color:var(--theme-muted);font:inherit;font-size:.92rem;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.tch-tab.active{color:var(--theme-text);border-bottom-color:var(--theme-brand)}:root{--blue: #4778ee;--blue2: #6e91f5;--ink: #152238;--muted: #65748b;--line: #dfe7f3;--surface: #fff;--bg: #f3f6fb;--soft: #eef3ff;--danger: #c53d50;--shadow: 0 14px 40px rgba(34, 61, 110, .1);--global-header-height: 0px}[data-theme=dark]{--ink: #f5f5f5;--muted: #b3b3b3;--line: #3a3a3a;--surface: #1c1c1c;--bg: #050505;--soft: #292929;--shadow: 0 14px 40px rgba(0, 0, 0, .42)}.tch-tasks-main{flex:1;width:100%;padding:0 22px 40px}.home-tasks-list{flex:1;min-height:0;max-height:360px;overflow-y:auto;padding-right:4px}.home-tasks-list .task-row{padding:8px 4px}.tch-panel-head:has(>.tch-icon-btn){display:flex;align-items:center;gap:10px}.tch-panel-head>.tch-icon-btn{margin-left:auto}@media(max-width:820px){.tch-tasks-main{padding-bottom:90px}}.tch-table-wrap{overflow-x:auto}.tch-table{width:100%;border-collapse:collapse;font-size:.9rem}.tch-table th{text-align:left;font-weight:600;color:var(--theme-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;padding:8px 10px;border-bottom:1px solid var(--theme-line)}.tch-table td{padding:10px;border-bottom:1px solid var(--theme-line)}.tch-avatar{width:26px;height:26px;border-radius:50%;background:var(--theme-surface-strong);display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:600;vertical-align:middle;margin-right:8px;overflow:hidden}.tch-avatar img{width:100%;height:100%;object-fit:cover}.tch-people-note{margin-bottom:10px}.tch-feed{display:flex;flex-direction:column;gap:8px}.tch-feed-row{display:flex;align-items:center;gap:10px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface);padding:10px 14px;font-size:.9rem}.tch-feed-row i{color:var(--theme-muted)}.tch-topic-label{margin:16px 0 8px;font-weight:600;font-size:.85rem;color:var(--theme-muted);text-transform:uppercase;letter-spacing:.05em}.tch-row{display:flex;align-items:center;gap:12px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-surface);padding:12px 16px;margin-bottom:8px}.tch-row .tch-row-copy{display:flex;flex-direction:column;gap:2px;min-width:0}.tch-row .tch-row-copy strong{font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tch-row .tch-row-actions{margin-left:auto;display:flex;gap:6px;align-items:center}.tch-row.clickable{cursor:pointer}.tch-row.clickable:hover{background:var(--theme-surface-strong)}.tch-progressbar{width:130px;height:7px;background:var(--theme-surface-strong);border-radius:999px;overflow:hidden}.tch-progressbar>span{display:block;height:100%;background:var(--theme-brand);border-radius:999px}.tch-status-chip{font-size:.72rem;padding:2px 9px;border-radius:999px;border:1px solid var(--theme-line);color:var(--theme-muted);white-space:nowrap}.tch-status-chip.completed{border-color:var(--theme-mint);color:var(--theme-mint)}.tch-status-chip.late{color:#c0392b;border-color:currentColor}.tch-term-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--theme-line);font-size:.9rem}.tch-term-q{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tch-term-bar{width:220px;height:9px;background:var(--theme-surface-strong);border-radius:999px;overflow:hidden;flex:none}.tch-term-bar>span{display:block;height:100%;background:var(--theme-brand)}.tch-term-pct{width:52px;text-align:right;font-variant-numeric:tabular-nums;flex:none}.tch-framing{margin-top:20px;font-size:.8rem;color:var(--theme-muted);font-style:italic}.tch-dialog{border:1px solid var(--theme-line);border-radius:var(--theme-radius-xl);background:var(--theme-surface);color:var(--theme-text);box-shadow:var(--theme-shadow);padding:0;width:min(440px,calc(100vw - 32px))}.tch-dialog::backdrop{background:#00000073}.tch-form{display:flex;flex-direction:column;gap:14px;padding:22px}.tch-form h3{margin:0 0 4px}.tch-form label{display:flex;flex-direction:column;gap:5px;font-size:.88rem;font-weight:500}.tch-form input,.tch-form select,.tch-form textarea{padding:9px 12px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg);color:var(--theme-text);font:inherit}.tch-form textarea{resize:vertical}.tch-form input[type=file]{padding:7px 9px;font-size:.85rem}.tch-form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}.tch-dialog-form{width:min(560px,calc(100vw - 32px))}.tch-dialog-schedule{width:min(600px,calc(100vw - 32px))}.tch-dialog-schedule .tch-form{gap:14px;padding:24px}.tch-dialog-schedule .tch-form-actions{margin-top:0}.tch-meeting-when input{padding:7px 10px}.tch-dialog-schedule h3{margin:0 0 6px;font-size:1.22rem;letter-spacing:-.02em}.tch-steps{display:flex;align-items:center;gap:10px;list-style:none;margin:0 0 2px;padding:0}.tch-steps-item{display:flex;align-items:center;gap:10px;min-width:0}.tch-steps-item+.tch-steps-item:before{content:"";width:26px;height:2px;border-radius:1px;background:var(--theme-line);transition:background var(--motion-fast) var(--motion-ease)}.tch-steps-item.is-done+.tch-steps-item:before,.tch-steps-item.is-current+.tch-steps-item:before,.tch-steps-item+.tch-steps-item.is-current:before{background:var(--theme-brand)}.tch-steps-btn{display:flex;align-items:center;gap:9px;padding:4px;border:0;background:none;color:var(--theme-muted);font:inherit;font-size:.86rem;font-weight:600;cursor:default;min-width:0}.tch-steps-dot{display:grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--theme-line);font-size:.76rem;font-weight:700;transition:background var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease)}.tch-steps-item.is-current .tch-steps-btn{color:var(--theme-text)}.tch-steps-item.is-current .tch-steps-dot{background:var(--theme-brand);border-color:var(--theme-brand);color:#fff}.tch-steps-item.is-done .tch-steps-btn{cursor:pointer}.tch-steps-item.is-done .tch-steps-btn:hover{color:var(--theme-text)}.tch-steps-item.is-done .tch-steps-dot{background:var(--theme-brand);border-color:var(--theme-brand);color:#fff}.tch-steps-item.is-done .tch-steps-dot{font-size:0}.tch-steps-item.is-done .tch-steps-dot:after{content:"\2713";font-size:.82rem;font-weight:700}.tch-steps-btn:focus-visible{outline:2px solid var(--theme-brand);outline-offset:3px;border-radius:var(--theme-radius)}.tch-steps-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tch-pane{display:flex;flex-direction:column;gap:14px;min-height:0}.tch-panes{display:flex;flex-direction:column;min-height:322px;flex:1 1 auto}@media(prefers-reduced-motion:no-preference){.tch-pane{animation:tch-pane-in var(--motion-fast) var(--motion-ease) both}@keyframes tch-pane-in{0%{opacity:0;transform:translate(10px)}}.tch-pane[data-back]{animation-name:tch-pane-in-back}@keyframes tch-pane-in-back{0%{opacity:0;transform:translate(-10px)}}}.tch-next,.tch-back{transition:background var(--motion-fast) var(--motion-ease),box-shadow var(--motion-fast) var(--motion-ease),transform var(--motion-fast) var(--motion-ease)}.tch-next i,.tch-back i{transition:transform var(--motion-fast) var(--motion-ease)}.tch-next{padding-right:16px;box-shadow:0 1px 2px color-mix(in srgb,var(--theme-brand) 30%,transparent)}.tch-next:hover{box-shadow:0 6px 18px color-mix(in srgb,var(--theme-brand) 34%,transparent);transform:translateY(-1px)}.tch-next:hover i{transform:translate(3px)}.tch-next:active{transform:translateY(0);box-shadow:0 1px 2px color-mix(in srgb,var(--theme-brand) 30%,transparent)}.tch-back{margin-right:auto}.tch-back:hover i{transform:translate(-3px)}@media(prefers-reduced-motion:reduce){.tch-next:hover,.tch-next:active,.tch-next:hover i,.tch-back:hover i{transform:none}}.tch-form-cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px 22px;align-items:start}.tch-form-col{display:flex;flex-direction:column;gap:14px;min-width:0}.tch-dialog{max-height:calc(100vh - 40px);overflow:auto}.tch-form{max-height:inherit}.tch-form-cols,.tch-form-col{min-height:0}.tch-dialog-form .tch-form-cols{flex:1 1 auto}.tch-dialog-form .tch-form-col:last-child{overflow:hidden}.tch-segmented{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:4px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg)}.tch-segment{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 6px;border:0;border-radius:calc(var(--theme-radius) - 3px);background:transparent;color:var(--theme-muted);font:inherit;font-size:.85rem;cursor:pointer;transition:background var(--motion-fast, .14s) ease,color var(--motion-fast, .14s) ease}.tch-segment:hover{color:var(--theme-text)}.tch-segment.active{background:var(--theme-surface-strong);color:var(--theme-brand);font-weight:650}.tch-invite-banner{display:flex;align-items:center;gap:12px;margin:14px 24px 0;padding:12px 16px;border:1px solid var(--theme-brand);border-radius:var(--theme-radius);background:var(--theme-surface)}.tch-invite-banner>i{font-size:22px;color:var(--theme-brand);flex:none}.tch-invite-copy{display:flex;flex-direction:column;min-width:0;flex:1}.tch-invite-copy small{color:var(--theme-muted)}.tch-invite-code{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg)}.tch-invite-code strong{font-family:ui-monospace,SF Mono,Menlo,monospace;letter-spacing:.14em}.tch-invite-code .tch-btn{margin-left:auto}.tch-invite-ok{margin:0;color:var(--theme-mint);font-size:.88rem}.tch-invite-skipped{margin:6px 0 0;padding-left:18px;font-size:.84rem;color:var(--theme-muted)}.tch-invite-sent{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.tch-invite-sent li{display:flex;align-items:center;gap:8px;font-size:.86rem}.tch-invite-sent .tch-status-chip{margin-left:auto}.tch-invite-avatar{flex:none;width:24px;height:24px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:var(--theme-surface-strong);color:var(--theme-muted);font-size:.72rem;font-weight:700}.tch-invite-avatar img{width:100%;height:100%;object-fit:cover}.tch-invite-skipped strong{color:var(--theme-text)}.tch-row-pending td{opacity:.75}.tch-row-open{cursor:pointer}.tch-row-open:hover td{background:var(--theme-surface-strong)}.tch-row-link{border:0;padding:0;background:none;font:inherit;color:inherit;text-align:left;cursor:pointer}.tch-row-link:hover{text-decoration:underline}.tch-row-link:focus-visible{outline:2px solid var(--theme-brand);outline-offset:2px;border-radius:3px}.tch-dialog-wide{width:min(620px,calc(100vw - 32px))}.tch-student{display:flex;flex-direction:column;gap:16px;padding:22px}.tch-student-head{display:flex;align-items:center;gap:14px}.tch-student-head h3{margin:0}.tch-student-id{display:flex;flex-direction:column;gap:2px;min-width:0}.tch-student-head .tch-icon-btn{margin-left:auto;flex:none}.tch-avatar-lg{width:52px;height:52px;font-size:1.2rem;margin-right:0;flex:none}.tch-student-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0;padding:14px 16px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg)}.tch-student-facts dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--theme-muted);margin-bottom:3px}.tch-student-facts dd{margin:0;font-size:.9rem;overflow-wrap:anywhere}.tch-student-facts a{color:var(--theme-brand)}.tch-student-stats{display:flex;gap:10px}.tch-stat{flex:1;display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--theme-line);border-radius:var(--theme-radius);background:var(--theme-bg)}.tch-stat strong{font-size:1.25rem;font-variant-numeric:tabular-nums}.tch-stat span{font-size:.78rem;color:var(--theme-muted)}.tch-student-section{margin:0;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--theme-muted)}#tchStudentWork{max-height:40vh;overflow-y:auto}.tch-student-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}.tch-search{padding:8px 12px;border:1px solid var(--theme-line);border-radius:999px;background:var(--theme-surface);color:var(--theme-text);font:inherit;font-size:.88rem;min-width:200px}.tch-search:focus-visible{outline:2px solid var(--theme-brand);outline-offset:1px}.tch-class-tag{display:inline-flex;align-items:center;gap:6px;margin:2px 6px 2px 0;padding:3px 10px 3px 8px;border:1px solid var(--theme-line);border-radius:999px;font-size:.78rem;white-space:nowrap}.tch-person-head{display:flex;align-items:center;gap:12px;margin:4px 0 18px}.tch-person-head .tch-icon-btn{flex:none}.tch-person-head h1{margin:0;font-size:clamp(20px,2.2vw,26px);letter-spacing:-.03em}#tchPersonFacts,#tchPersonStats{margin-bottom:16px}#tchPersonStats{flex-wrap:wrap}.tch-person-class{margin-bottom:16px;padding:14px 16px;border:1px solid var(--theme-line);border-left:3px solid var(--class-color, var(--theme-line));border-radius:var(--theme-radius);background:var(--theme-surface)}.tch-person-class-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}.tch-person-class-head .tch-row-link{font-weight:650}.tch-person-class .tch-row:first-of-type{border-top:0}.tch-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--theme-surface-strong);color:var(--theme-text);border:1px solid var(--theme-line);border-radius:var(--theme-radius);box-shadow:var(--theme-shadow);padding:10px 18px;font-size:.9rem;z-index:50}@media(max-width:1000px){.tch-home-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tch-span-2{grid-column:span 2}}@media(max-width:760px){.tch-form-cols{grid-template-columns:minmax(0,1fr)}}@media(max-width:820px){.tch-shell,.tch-shell.tch-sidebar-pinned{grid-template-columns:1fr}.tch-sidebar,.tch-sidebar-pinned .tch-sidebar{position:fixed;inset:auto 0 0;z-index:30;flex-direction:row;gap:2px;padding:6px;width:auto;height:auto;border-right:0;border-top:1px solid var(--theme-line);overflow-x:auto}.tch-brand,.tch-nav-section,.tch-nav-rule,.tch-sidebar-foot,.tch-sidebar-toggle,#tchNavClasses{display:none}.tch-nav{flex:none;flex-direction:row;gap:2px;overflow:visible}.tch-nav-group{flex-direction:row;gap:2px;margin-left:0;padding-left:0;border-left:0}.tch-nav-item{flex-direction:column;justify-content:center;gap:2px;height:auto;min-height:0;width:auto;font-size:.66rem;min-width:62px;padding:6px 4px;white-space:normal}.tch-nav-item i,.tch-nav-sub>i{width:auto;flex:none;margin:0;font-size:18px}.tch-main{padding-bottom:80px}}@media(max-width:640px){.tch-main{padding:14px 14px 80px}.tch-home-grid{grid-template-columns:minmax(0,1fr)}.tch-span-2{grid-column:auto}.tch-code-chip{display:none}.tch-term-bar{width:120px}.tch-cal-day{min-height:74px}.tch-form-row{grid-template-columns:1fr}.tch-meet-ai{flex-direction:column}.tch-meet-ai .tch-btn{align-self:flex-start}.tch-student-stats{flex-direction:column}.tch-search{min-width:0;width:100%}.tch-person-class .tch-row,.tch-student .tch-row{flex-wrap:wrap}.tch-student .tch-row-actions{margin-left:34px}}