:root[data-user-role=admin],:root[data-user-role=student],:root[data-user-role=teacher]{--primary:#526f9f;--primary-light:#e8eff7;--primary-dark:#344f7d;--success:#6f887c;--success-dark:#536b5e;--warning:#a98558;--danger:#EF4444;--danger-dark:#DC2626;--knowledge-purple:#756f91;--knowledge-purple-light:#efedf4;--gray-50:#fafafa;--gray-100:#f4f4f5;--gray-200:#e4e4e7;--gray-300:#d4d4d8;--gray-400:#a1a1aa;--gray-500:#71717a;--gray-600:#52525b;--gray-700:#3f3f46;--gray-800:#27272a;--gray-900:#0a0a0a;--sketch-ink:#2e2a26;--sketch-lime:#a9d86c;--sketch-sky:#8cc5e8;--sketch-butter:#f3d06a;--sketch-peach:#f4b49b;--sketch-orange:#efa05e;--sketch-up:#e8836b;--sketch-down:#7fb77e;--pk-canvas:#fbfbfc;--pk-surface:#ffffff;--pk-surface-soft:#f7f7f8;--pk-surface-muted:#f4f4f5;--pk-ink:#0a0a0a;--pk-ink-soft:#3f3f46;--pk-muted:#71717a;--pk-faint:#a1a1aa;--pk-border:color-mix(in srgb,var(--shadow-color) 14%,transparent);--pk-border-strong:color-mix(in srgb,var(--shadow-color) 28%,transparent);--pk-accent:#526f9f;--pk-accent-strong:#344f7d;--pk-accent-soft:#e8eff7;--pk-dot:#dce7f4;--pk-font-sans:"Satoshi-Medium","MiSans","Segoe UI Variable","PingFang SC","Microsoft YaHei",sans-serif;--pk-font-regular:"Satoshi-Regular","MiSans Normal","Segoe UI Variable","PingFang SC","Microsoft YaHei",sans-serif;--pk-font-strong:"Satoshi-Bold","MiSans Demibold","Segoe UI Variable","PingFang SC","Microsoft YaHei",sans-serif;--pk-font-editorial:"EB Garamond","Songti SC","STSong",Georgia,serif;--font-size-display:28px;--font-size-headline:20px;--font-size-title:16px;--font-size-body:14px;--font-size-body-md:13px;--font-size-label:12px;--font-size-micro:11px;--sidebar-w:232px;--radius-xs:6px;--radius-sm:8px;--radius-md:10px;--radius-lg:14px;--radius-xl:18px;--radius-2xl:22px;--pk-radius-pill:999px;--pk-shadow-hairline:var(--shadow-sm);--pk-shadow-card:var(--shadow-card);--pk-shadow-float:var(--shadow-float);--pk-shadow-modal:var(--shadow-modal);--pk-focus-ring:0 0 0 3px rgba(82,111,159,0.14);--pk-ease:cubic-bezier(0.16,1,0.3,1);--pk-ease-emphasized:cubic-bezier(0.22,1,0.36,1);--pk-duration-fast:150ms;--pk-duration:220ms;--pk-duration-slow:360ms;--badge-green-bg:#edf3ef;--badge-green-text:#536b5e;--badge-orange-bg:#f6f0e7;--badge-orange-text:#8a6a45;--badge-red-bg:#f6edef;--badge-red-text:#87545d;--badge-purple-bg:#efedf4;--badge-purple-text:#675f82;--surface-base:var(--pk-canvas);--surface-elevated:var(--pk-surface);--surface-inset:var(--pk-surface-muted);--border-subtle:var(--pk-border);--border-muted:var(--pk-border-strong);--text-emphasis:var(--pk-ink);--text-body:var(--pk-ink-soft);--text-tertiary:var(--pk-ink-soft);--text-secondary:var(--pk-muted);--text-placeholder:var(--pk-faint);--accent:var(--pk-accent);--accent-surface:var(--pk-accent-soft);--accent-strong:var(--pk-accent-strong);--hero-gradient-brand:var(--pk-accent);--hero-gradient-blue:var(--pk-accent);--hero-gradient-emerald:#6f887c;--hero-gradient-violet:#756f91;--hero-gradient-amber:#a98558;--hero-gradient-rose:#a76f78;--hero-glow-blue:rgba(82,111,159,0.16);--hero-glow-emerald:rgba(111,136,124,0.15);--hero-glow-violet:rgba(117,111,145,0.15);--hero-glow-amber:rgba(169,133,88,0.15);--hero-glow-rose:rgba(167,111,120,0.15);--ai-surface:var(--pk-accent-soft);--ai-border:rgba(82,111,159,0.18);--ai-accent:var(--pk-accent);--ai-accent-deep:var(--pk-accent-strong);--ai-card-gradient:var(--pk-accent-soft);--shadow-lift:0 4px 12px rgba(82,111,159,0.18);--shadow-focus-ring:var(--pk-focus-ring)}.pk-ui{color:var(--pk-ink-soft);font-family:var(--pk-font-sans)}.pk-ui,.pk-ui .main{background:var(--pk-canvas)}.pk-ui .content,.pk-ui .main{position:relative}.pk-ui .content{z-index:1;padding:30px 40px 64px}.pk-ui.pk-home-route .main{--spot-origin-x:var(--sidebar-w)}.pk-ui.pk-home-route .main:before{content:"";position:fixed;inset:0 0 0 var(--sidebar-w);pointer-events:none;background-image:radial-gradient(circle,color-mix(in srgb,var(--pk-accent) 38%,transparent) .8px,transparent .8px);background-size:14px 14px;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 90px,#000 70%,transparent 96%),radial-gradient(ellipse 220px 90px at 50% 50%,#000 0,rgba(0,0,0,.7) 45%,transparent 72%),radial-gradient(ellipse 300px 120px at 50% 50%,rgba(0,0,0,.8) 0,rgba(0,0,0,.45) 50%,transparent 75%);mask-image:linear-gradient(180deg,transparent 0,#000 90px,#000 70%,transparent 96%),radial-gradient(ellipse 220px 90px at 50% 50%,#000 0,rgba(0,0,0,.7) 45%,transparent 72%),radial-gradient(ellipse 300px 120px at 50% 50%,rgba(0,0,0,.8) 0,rgba(0,0,0,.45) 50%,transparent 75%);-webkit-mask-size:100% 100%,680px 470px,960px 620px;mask-size:100% 100%,680px 470px,960px 620px;-webkit-mask-repeat:no-repeat,repeat,repeat;mask-repeat:no-repeat,repeat,repeat;-webkit-mask-composite:source-in,source-over,source-over,xor;mask-composite:intersect,add,add;animation:pkDotPatchDrift 52s linear infinite}@keyframes pkDotPatchDrift{0%{-webkit-mask-position:0 0,0 0,0 0;mask-position:0 0,0 0,0 0}to{-webkit-mask-position:0 0,-1360px 470px,-960px 620px;mask-position:0 0,-1360px 470px,-960px 620px}}@media (prefers-reduced-motion:reduce){.pk-ui.pk-home-route .main:before{animation:none;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 90px,#000 70%,transparent 96%);mask-image:linear-gradient(180deg,transparent 0,#000 90px,#000 70%,transparent 96%);-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-composite:source-over;mask-composite:add;background-image:radial-gradient(circle,color-mix(in srgb,var(--pk-accent) 26%,transparent) .8px,transparent .8px)}}.pk-ui.pk-home-route .main:after{content:"";position:fixed;inset:0 0 0 var(--sidebar-w);pointer-events:none;background-image:radial-gradient(circle,color-mix(in srgb,var(--pk-accent) 80%,transparent) 1px,transparent 1.2px);background-size:14px 14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 42%,#000 58%,transparent),linear-gradient(180deg,transparent,#000 42%,#000 58%,transparent);-webkit-mask-composite:source-in;-webkit-mask-repeat:no-repeat;-webkit-mask-size:220px 220px;-webkit-mask-position:calc(var(--spot-x, -1000px) - var(--spot-origin-x) - 110px) calc(var(--spot-y, -1000px) - 110px);mask-image:linear-gradient(90deg,transparent,#000 42%,#000 58%,transparent),linear-gradient(180deg,transparent,#000 42%,#000 58%,transparent);-webkit-mask-composite:source-in,xor;mask-composite:intersect;mask-repeat:no-repeat;mask-size:220px 220px;mask-position:calc(var(--spot-x, -1000px) - var(--spot-origin-x) - 110px) calc(var(--spot-y, -1000px) - 110px);opacity:var(--spot-on,0);transition:opacity .35s ease-out}.pk-ui .pk-home-duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:16px;align-items:stretch}.pk-ui .pk-home-duo>section{display:flex;flex-direction:column;min-width:0}.pk-ui .pk-home-duo>section>*{flex:1}.pk-ui .pk-home-mode-toggle{display:inline-flex;gap:2px;padding:3px;border-radius:var(--pk-radius-pill);border:1px solid var(--pk-border);background:var(--pk-surface-muted);box-shadow:var(--pk-shadow-hairline)}.pk-ui .pk-home-mode-option{padding:6px 16px;border:0;border-radius:var(--pk-radius-pill);background:transparent;color:var(--pk-muted);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background var(--pk-duration) var(--pk-ease),color var(--pk-duration) var(--pk-ease)}.pk-ui .pk-home-mode-option:hover{color:var(--pk-ink)}.pk-ui .pk-home-mode-option.active{background:var(--pk-surface);color:var(--pk-ink);box-shadow:var(--pk-shadow-hairline)}.pk-ui .pk-assist{position:relative;max-width:720px;margin:0 auto;padding:8px 0 40px;text-align:center;animation:pkAssistIn var(--pk-duration-slow) var(--pk-ease) backwards}.pk-ui .pk-assist-hero-wrap.is-exiting{position:absolute;top:0;left:0;right:0;pointer-events:none;animation:pkAssistHeroOut .24s ease-in both}@keyframes pkAssistHeroOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-14px) scale(.97)}}@keyframes pkAssistIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.pk-ui .pk-assist-hero{display:flex;align-items:center;justify-content:center;gap:2px;margin-bottom:6px}.pk-ui .pk-assist-title{margin:0;font-size:26px;font-weight:700;letter-spacing:-.01em;color:var(--pk-ink)}.pk-ui .pk-assist-sub{margin:0 0 22px;font-size:13.5px;color:var(--pk-muted)}.pk-ui .pk-assist.is-chatting{--assist-chrome:132px;display:flex;flex-direction:column;height:calc(100vh - var(--assist-chrome));min-height:380px;padding-bottom:0}.pk-ui .pk-assist.is-chatting .pk-assist-thread{flex:1;min-height:0;display:flex;flex-direction:column;margin-bottom:10px;border:0;border-radius:0;background:transparent;box-shadow:none}.pk-ui .pk-assist.is-chatting .pk-assist-thread-head{padding:0 4px 8px;border-bottom:0}.pk-ui .pk-assist.is-chatting .pk-assist-messages{flex:1;max-height:none;min-height:0;padding:4px 2px 8px}.pk-ui .pk-assist.is-chatting .pk-assist-composer-slot{flex-shrink:0}.pk-ui .pk-assist.is-chatting .pk-assist-thread{animation:pkAssistIn .32s var(--pk-ease) .12s backwards}.pk-ui .pk-assist-thread{margin-bottom:12px;border:1px solid var(--pk-border);border-radius:18px;background:var(--pk-surface);box-shadow:var(--pk-shadow-card);overflow:hidden;text-align:left;animation:pkAssistIn var(--pk-duration) var(--pk-ease) backwards}.pk-ui .pk-assist-thread-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--pk-border)}.pk-ui .pk-assist-thread-agent{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--pk-ink)}.pk-ui .pk-assist-thread-new{padding:4px 12px;border:1px solid var(--pk-border);border-radius:var(--pk-radius-pill);background:transparent;color:var(--pk-muted);font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;transition:color var(--pk-duration-fast) var(--pk-ease),border-color var(--pk-duration-fast) var(--pk-ease)}.pk-ui .pk-assist-thread-new:hover{color:var(--pk-accent-strong);border-color:var(--pk-accent)}.pk-ui .pk-assist-messages{max-height:min(52vh,460px);min-height:220px;padding:16px}.pk-ui .pk-assist-spin{animation:pkAssistSpin .9s linear infinite}@keyframes pkAssistSpin{to{transform:rotate(1turn)}}.pk-ui .pk-assist-composer{padding:14px 16px 10px;border-radius:18px;border:1px solid var(--pk-border);background:var(--pk-surface);box-shadow:var(--pk-shadow-card);text-align:left;transition:border-color var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)}.pk-ui .pk-assist-composer:focus-within{border-color:var(--pk-accent);box-shadow:var(--pk-focus-ring)}.pk-ui .pk-assist-input{display:block;width:100%;border:0;outline:none;resize:none;background:transparent;color:var(--pk-ink);font-family:inherit;font-size:15px;line-height:1.6}.pk-ui .pk-assist-input::-moz-placeholder{color:var(--pk-faint)}.pk-ui .pk-assist-input::placeholder{color:var(--pk-faint)}.pk-ui .pk-assist-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}.pk-ui .pk-assist-actions-right,.pk-ui .pk-assist-tools{display:flex;align-items:center;gap:8px;min-width:0}.pk-ui .pk-assist-hint{font-size:11.5px;color:var(--pk-faint)}.pk-ui .pk-assist-role{position:relative}.pk-ui .pk-assist-role-dot{width:7px;height:7px;flex-shrink:0;border-radius:50%}.pk-ui .pk-assist-role-menu{position:absolute;z-index:20;top:calc(100% + 8px);left:0;min-width:232px;padding:6px;border:1px solid var(--pk-border);border-radius:14px;background:var(--pk-surface);box-shadow:var(--pk-shadow-float);animation:pkAssistRoleIn .16s var(--pk-ease)}@keyframes pkAssistRoleIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.pk-ui .pk-assist-role-option{display:flex;align-items:flex-start;gap:9px;width:100%;padding:8px 10px;border:0;border-radius:10px;background:transparent;text-align:left;font-family:inherit;cursor:pointer;transition:background var(--pk-duration-fast) var(--pk-ease)}.pk-ui .pk-assist-role-option:hover{background:var(--pk-surface-soft)}.pk-ui .pk-assist-role-option.active{background:var(--pk-accent-soft)}.pk-ui .pk-assist-role-option .pk-assist-role-dot{margin-top:5px}.pk-ui .pk-assist-role-text{display:flex;flex-direction:column;gap:1px;min-width:0}.pk-ui .pk-assist-role-name{font-size:13px;font-weight:600;color:var(--pk-ink)}.pk-ui .pk-assist-role-desc{font-size:11.5px;color:var(--pk-muted)}.pk-ui .pk-assist-files{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.pk-ui .pk-assist-file{display:inline-flex;align-items:center;gap:6px;max-width:220px;padding:4px 8px 4px 10px;border-radius:var(--pk-radius-pill);background:var(--pk-surface-soft);color:var(--pk-ink-soft);font-size:12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.pk-ui .pk-assist-file button{border:0;background:transparent;color:var(--pk-muted);font-size:15px;line-height:1;padding:0 2px;cursor:pointer}.pk-ui .pk-assist-file button:hover{color:var(--pk-ink)}.pk-ui .pk-assist-send{width:38px;height:38px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:0;border-radius:50%;background:var(--pk-accent);color:#fff;cursor:pointer;transition:background var(--pk-duration) var(--pk-ease),transform var(--pk-duration) var(--pk-ease),opacity var(--pk-duration) var(--pk-ease)}.pk-ui .pk-assist-send:hover:not(:disabled){background:var(--pk-accent-strong);transform:translateY(-1px)}.pk-ui .pk-assist-send:disabled{opacity:.4;cursor:default}.pk-ui .pk-assist-suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}.pk-ui .pk-assist-suggestions:empty{display:none}.pk-ui .sidebar{background:rgba(255,255,255,.97);border-right:1px solid var(--pk-border);box-shadow:none}.pk-ui .sidebar-header{padding:18px 14px 12px;border-bottom:0}.pk-ui .sidebar-logo{gap:8px}.pk-ui .sidebar-logo .brand-logo-image,.pk-ui .sidebar-logo .logo-badge{width:30px;height:30px}.pk-ui .sidebar-logo span{color:var(--pk-ink);font-family:var(--pk-font-strong);font-size:18px;letter-spacing:-.025em}.pk-ui .sidebar-logo small{display:none}.pk-ui .sidebar-collapse-btn{margin-top:5px;margin-right:-2px;color:var(--pk-muted);border-radius:var(--radius-sm);transition:color var(--pk-duration-fast),background var(--pk-duration-fast)}.pk-ui .sidebar-collapse-btn:hover{color:var(--pk-ink);background:var(--pk-surface-muted)}.pk-ui .sidebar-header .select-menu-trigger{min-height:36px;border-color:var(--pk-border)!important;border-radius:var(--radius-md)!important;background:var(--pk-surface-soft)!important;color:var(--pk-muted)!important;box-shadow:var(--pk-shadow-hairline)}.pk-ui .sidebar-nav{padding:4px 10px 14px;scrollbar-width:thin;scrollbar-color:var(--pk-border) transparent}.pk-ui .nav-section{margin-bottom:10px}.pk-ui .nav-section-title{padding:14px 12px 6px;color:var(--pk-faint);font-size:10px;font-weight:600;letter-spacing:.08em}.pk-ui .nav-active-indicator{background:var(--pk-accent-soft);border-radius:var(--radius-md);transition:top var(--pk-duration-slow) var(--pk-ease-emphasized),left var(--pk-duration-slow) var(--pk-ease-emphasized),width var(--pk-duration-slow) var(--pk-ease-emphasized),height var(--pk-duration-slow) var(--pk-ease-emphasized),opacity var(--pk-duration-fast) ease-out}.pk-ui .nav-item{min-height:40px;gap:11px;margin-bottom:2px;padding:9px 12px;border-radius:var(--radius-md);color:var(--pk-ink-soft);font-family:var(--pk-font-sans);font-size:14px;font-weight:500;transition:color var(--pk-duration-fast),background var(--pk-duration-fast)}.pk-ui .nav-item:hover{color:var(--pk-ink);background:var(--pk-surface-muted);transform:none}.pk-ui .nav-item.active{color:var(--pk-accent-strong);font-weight:600}.pk-ui .nav-item .nav-icon,.pk-ui .nav-item .nav-icon svg{width:19px;height:19px}.pk-ui .sidebar-footer{padding:10px;border-top:1px solid var(--pk-border);background:rgba(255,255,255,.92)}.pk-ui .user-card{padding:7px 8px;border-radius:var(--radius-lg);transition:background var(--pk-duration-fast)}.pk-ui .user-card:hover{background:var(--pk-surface-muted)}.pk-ui .user-avatar{width:36px;height:36px;color:white;background:var(--pk-ink);border:3px solid white;outline:1px solid var(--pk-border-strong);box-shadow:0 0 0 2px var(--pk-accent-soft)}.pk-ui .page-title{color:var(--pk-ink);font-family:var(--pk-font-strong);font-size:var(--font-size-display);font-weight:700;line-height:1.25;letter-spacing:-.035em}.pk-ui .page-heading{margin-bottom:24px}.pk-ui .page-subtitle{margin-top:7px!important;color:var(--pk-muted)!important;font-family:var(--pk-font-regular);line-height:1.6}.pk-ui .btn{min-height:40px;border-radius:var(--radius-md);font-family:var(--pk-font-sans);font-weight:500;transition:background-color var(--pk-duration) var(--pk-ease),color var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),transform var(--pk-duration) var(--pk-ease)}.pk-ui .btn-outline,.pk-ui .btn-primary{background:var(--pk-surface);border:1px solid var(--pk-border);color:var(--pk-ink-soft);box-shadow:var(--pk-shadow-hairline)}.pk-ui .btn-primary:hover:not(:disabled){color:var(--pk-ink);background:var(--pk-surface-soft);border-color:var(--pk-border-strong);transform:translateY(-1px);box-shadow:var(--pk-shadow-card)}.pk-ui .btn-outline{border:1px solid var(--pk-border);color:var(--pk-ink-soft)}.pk-ui .btn-danger,.pk-ui .btn-outline{background:var(--pk-surface);box-shadow:var(--pk-shadow-hairline)}.pk-ui .btn-danger{border:1px solid color-mix(in srgb,var(--danger) 28%,transparent);color:var(--danger)}.pk-ui .btn-danger:hover:not(:disabled){color:var(--danger-dark);background:var(--badge-red-bg);border-color:color-mix(in srgb,var(--danger) 45%,transparent);transform:translateY(-1px);box-shadow:var(--pk-shadow-card)}.pk-ui [role=alertdialog] .btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.pk-ui [role=alertdialog] .btn-danger:hover:not(:disabled){background:var(--danger-dark);border-color:var(--danger-dark);color:#fff}.pk-ui .card,.pk-ui .table-container{background:var(--pk-surface);border:1px solid var(--pk-border);border-radius:var(--radius-xl);box-shadow:var(--pk-shadow-hairline)}.pk-ui .badge{border-radius:var(--pk-radius-pill);font-weight:500}.pk-ui .inline-link{padding:2px 6px;margin:-2px -6px;border-radius:var(--radius-xs);color:var(--pk-accent-strong);font-weight:600;text-decoration:none;cursor:pointer;transition:color var(--pk-duration-fast) var(--pk-ease),background var(--pk-duration-fast) var(--pk-ease)}.pk-ui .inline-link:hover{color:var(--pk-ink);background:var(--pk-accent-soft)}.pk-ui .marker-bar{height:var(--marker-bar-h,12px);border:none;border-radius:999px;background:color-mix(in srgb,var(--sketch-ink) 7%,transparent);overflow:hidden}.pk-ui .marker-bar-fill{height:100%;border-radius:999px;background-color:var(--sketch-fill);background-image:linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,0) 26%,rgba(0,0,0,0) 74%,rgba(0,0,0,.07)),linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.16) 45%,rgba(255,255,255,0));opacity:.95;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 7px),rgba(0,0,0,.35));mask-image:linear-gradient(90deg,#000 calc(100% - 7px),rgba(0,0,0,.35));transition:width .7s cubic-bezier(.4,0,.2,1)}.pk-ui .tabs{padding:3px;border-radius:var(--radius-md);background:var(--pk-surface-muted)}.pk-ui .tab{border-radius:var(--radius-sm)}.pk-ui .tab.active{color:var(--pk-ink);box-shadow:var(--pk-shadow-hairline)}.pk-ui .scope-tab-group{gap:2px;padding:3px;border-radius:var(--radius-md);background:var(--pk-surface-muted)}.pk-ui .scope-tab{padding:7px 16px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--pk-muted);font-weight:500;box-shadow:none;transition:color var(--pk-duration-fast),background var(--pk-duration-fast),box-shadow var(--pk-duration-fast)}.pk-ui .scope-tab:hover:not(.active){color:var(--pk-ink);background:rgba(255,255,255,.6);border-color:transparent;transform:none}.pk-ui .scope-tab.active{background:var(--pk-surface);border-color:transparent;color:var(--pk-ink);box-shadow:var(--pk-shadow-hairline);transform:none}.pk-ui .diff-btn,.pk-ui .gen-type-btn,.pk-ui .tag-option{border-width:1px;border-color:var(--pk-border);background:var(--pk-surface);color:var(--pk-ink-soft);transition:color var(--pk-duration-fast),background var(--pk-duration-fast),border-color var(--pk-duration-fast)}.pk-ui .diff-btn:hover:not(.selected),.pk-ui .gen-type-btn:hover:not(.active),.pk-ui .tag-option:hover:not(.selected){color:var(--pk-ink);border-color:var(--pk-border-strong);transform:none}.pk-ui .gen-type-btn.active,.pk-ui .tag-option.selected{color:var(--pk-accent-strong);border-color:var(--pk-accent-soft);background:var(--pk-accent-soft);box-shadow:none}.pk-ui .diff-btn.selected{box-shadow:none}.pk-ui .diff-btn.easy.selected{background:var(--badge-green-bg);border-color:var(--badge-green-bg);color:var(--badge-green-text)}.pk-ui .diff-btn.medium.selected{background:var(--badge-orange-bg);border-color:var(--badge-orange-bg);color:var(--badge-orange-text)}.pk-ui .diff-btn.hard.selected{background:var(--badge-red-bg);border-color:var(--badge-red-bg);color:var(--badge-red-text)}.pk-ui .filter-select,.pk-ui .form-input,.pk-ui input:not([type=checkbox]):not([type=radio]),.pk-ui textarea{border-color:transparent;background:var(--pk-surface-soft);color:var(--pk-ink-soft);border-radius:var(--radius-md);transition:border-color var(--pk-duration) var(--pk-ease),background var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)}.pk-ui .form-input:focus,.pk-ui input:not([type=checkbox]):not([type=radio]):focus,.pk-ui textarea:focus{outline:none;border-color:var(--pk-accent);background:var(--pk-surface);box-shadow:var(--pk-focus-ring)}.pk-ui .pk-assist-input,.pk-ui .pk-assist-input:focus,.pk-ui textarea.chat-input,.pk-ui textarea.chat-input:focus{background:transparent;border-color:transparent;box-shadow:none;border-radius:0}.pk-ui .search-pill input,.pk-ui .search-pill input:focus{background:transparent!important;border-color:transparent!important;box-shadow:none!important;border-radius:0!important}.pk-ui .modal-overlay{background:rgba(10,10,10,.28);backdrop-filter:blur(8px)}.pk-ui .modal{border:1px solid rgba(255,255,255,.7);border-radius:var(--radius-2xl);box-shadow:var(--pk-shadow-modal)}.pk-ui .modal-footer,.pk-ui .modal-header{border-color:var(--pk-border)}.pk-ui .close-btn{color:var(--pk-muted);background:var(--pk-surface-muted);border-radius:var(--radius-md)}.pk-ui .card-grid{gap:14px}.pk-ui .system-card{min-height:230px;padding:20px!important;gap:14px!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-xl)!important;background:rgba(255,255,255,.96)!important;box-shadow:var(--pk-shadow-hairline);transition:transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease)!important}.pk-ui .system-card:hover{transform:translateY(-2px)!important;border-color:var(--pk-border-strong)!important;box-shadow:var(--pk-shadow-card)!important}.pk-ui .system-card-glow{display:none}.pk-ui .system-card-icon{width:44px!important;height:44px!important;color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border:1px solid rgba(82,111,159,.12);border-radius:var(--radius-lg)!important;box-shadow:none!important}.pk-ui .system-card-icon svg{width:21px;height:21px}.pk-ui .system-card-kicker{color:var(--pk-faint)!important;font-family:var(--pk-font-sans);font-size:10px!important;font-weight:600!important;letter-spacing:.08em!important}.pk-ui .system-card-title{color:var(--pk-ink)!important;font-family:var(--pk-font-strong);font-size:17px!important;letter-spacing:-.02em}.pk-ui .system-card-desc{color:var(--pk-muted)!important;font-family:var(--pk-font-regular)}.pk-ui .system-card-cta{color:var(--pk-accent-strong)!important;font-weight:600!important}.pk-ui .search-filter-bar{gap:8px!important}.pk-ui .search-pill:focus-within{border-color:var(--pk-accent);box-shadow:var(--pk-shadow-hairline),var(--pk-focus-ring)}.pk-ui .search-filter-action{width:40px!important;height:40px!important;border-width:1px!important;border-color:var(--pk-border)!important;border-radius:var(--pk-radius-pill)!important;background:var(--pk-surface)!important;color:var(--pk-muted)!important;box-shadow:var(--pk-shadow-hairline);transition:color var(--pk-duration) var(--pk-ease),background var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease),transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)}.pk-ui .search-filter-action:hover,.pk-ui .search-filter-action[aria-pressed=true]{color:var(--pk-accent-strong)!important;border-color:var(--pk-border-strong)!important;background:var(--pk-accent-soft)!important;transform:translateY(-1px);box-shadow:var(--pk-shadow-card)}.pk-ui .search-filter-popover{padding:16px!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-xl)!important;box-shadow:var(--pk-shadow-float)!important}.pk-ui .filter-section-title{color:var(--pk-faint)!important;font-weight:600!important}.pk-ui .filter-pill{padding:6px 12px!important;border:1px solid var(--pk-border)!important;border-radius:var(--pk-radius-pill)!important;background:var(--pk-surface)!important;color:var(--pk-ink-soft)!important;font-weight:500!important;transition:color 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.pk-section-title{color:var(--pk-ink)!important;font-family:var(--pk-font-strong);font-size:18px!important;font-weight:700!important;letter-spacing:-.02em}.pk-ui .pk-assist-chip,.pk-ui .pk-assist-tool,.pk-ui .pk-quick-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:8px 16px!important;border-radius:var(--pk-radius-pill);color:var(--pk-ink-soft)!important;background:rgba(255,255,255,.92)!important;border:1px solid var(--pk-border)!important;box-shadow:var(--pk-shadow-hairline);font-family:inherit;font-size:13px;font-weight:600;white-space:nowrap;cursor:pointer;transition:color var(--pk-duration-fast),background var(--pk-duration-fast),border-color var(--pk-duration-fast),transform var(--pk-duration-fast)}.pk-ui .pk-assist-chip:hover,.pk-ui .pk-assist-role-trigger.open,.pk-ui .pk-assist-tool:hover,.pk-ui .pk-quick-link:hover{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border-color:rgba(82,111,159,.16)!important;transform:translateY(-1px)}.pk-ui .pk-assist-role-trigger.open{transform:none}.pk-ui .pk-assist-tool-icon{width:38px;padding:8px 0!important}.pk-ui .insights-stat-tile{padding:16px 18px!important;background:var(--pk-surface)!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-lg)!important;box-shadow:var(--pk-shadow-hairline)}.pk-ui .insights-stat-value{color:var(--pk-accent-strong)!important;font-family:var(--pk-font-strong)}.pk-ui .insights-subject-bar{background:var(--pk-accent)!important}.pk-ui .activity-cell.activity-level-0{background:var(--pk-surface-muted)!important}.pk-ui .activity-cell.activity-level-1{background:#e8eff7!important}.pk-ui .activity-cell.activity-level-2{background:#cbd9e9!important}.pk-ui .activity-cell.activity-level-3{background:#91a9c5!important}.pk-ui .activity-cell.activity-level-4{background:var(--pk-accent)!important}.pk-ui .insights-section-title{color:var(--pk-ink)!important;font-family:var(--pk-font-strong);font-size:16px!important;letter-spacing:-.015em}.pk-ui .insights-recommendation{padding:13px 14px!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-lg)!important;background:var(--pk-surface)!important;box-shadow:var(--pk-shadow-hairline);transition:background var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease),transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)}.pk-ui .insights-recommendation:hover:not(:disabled){background:var(--pk-surface-soft)!important;border-color:var(--pk-border-strong)!important;transform:translateY(-1px);box-shadow:var(--pk-shadow-card)}.pk-ui .insights-recommendation-success{color:var(--pk-ink-soft)!important;background:var(--pk-surface-soft)!important;border:1px solid var(--pk-border)!important}.pk-ui .study-stats-panel{background:var(--pk-accent-soft)!important;border:1px solid rgba(82,111,159,.13)!important;border-radius:var(--radius-xl)!important;box-shadow:var(--pk-shadow-hairline)}.pk-ui .study-create-card,.pk-ui .study-join-card,.pk-ui .study-room-card{border-width:1px!important;border-color:var(--pk-border)!important;border-radius:var(--radius-xl)!important;background:var(--pk-surface)!important;box-shadow:var(--pk-shadow-hairline)}.pk-ui .study-create-card:hover,.pk-ui .study-room-card:hover{border-color:var(--pk-border-strong)!important;transform:translateY(-1px)!important;box-shadow:var(--pk-shadow-card)!important}.pk-ui .question-toolbar-button{min-height:38px;padding:8px 14px!important;color:var(--pk-ink-soft)!important;background:var(--pk-surface)!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-md)!important;box-shadow:var(--pk-shadow-hairline)!important;transition:transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),color var(--pk-duration) var(--pk-ease),background var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease)!important}.pk-ui .question-toolbar-ai,.pk-ui .question-toolbar-button.active,.pk-ui .question-toolbar-button:hover{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border-color:rgba(82,111,159,.14)!important;transform:translateY(-1px);box-shadow:var(--pk-shadow-card)!important}.pk-ui .page-entering{animation:pk-page-enter var(--pk-duration-slow) var(--pk-ease) backwards}@keyframes pk-page-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (max-width:899px){.app.pk-ui.app-mobile .main .content,.app.pk-ui.app-mobile .main.sidebar-hidden .content{padding:72px 18px 48px!important}.pk-ui .pk-home-duo{grid-template-columns:minmax(0,1fr)}.pk-ui.pk-home-route .main{--spot-origin-x:0px}.pk-ui.pk-home-route .main:after,.pk-ui.pk-home-route .main:before{left:0}.pk-ui .pk-assist.is-chatting{--assist-chrome:182px}}@media (max-width:520px){.pk-ui .pk-welcome{margin-top:6px!important}.pk-ui .pk-welcome-title{font-size:20px!important}}@media (prefers-reduced-motion:reduce){.pk-ui *,.pk-ui :after,.pk-ui :before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.student-ui .student-home-page{position:relative}.student-ui .student-recommendation-card{padding:22px 24px!important;color:var(--pk-ink-soft)!important;background:rgba(255,255,255,.97)!important;border:1px solid var(--pk-border);border-radius:var(--radius-2xl)!important;box-shadow:0 10px 30px color-mix(in srgb,var(--shadow-color) 12%,transparent)!important}.student-ui .student-recommendation-card>div:first-child{display:none}.student-ui .student-recommendation-card:not(.student-recommendation-fallback):after{content:"";position:absolute;right:20px;bottom:20px;width:36%;aspect-ratio:512/410;max-height:60%;background:url(/brand/Module_background/Selected_topics.png) no-repeat 100% 100%;background-size:contain;opacity:.5;pointer-events:none}.student-ui .student-recommendation-card:not(.student-recommendation-fallback)>div:nth-child(4){padding-right:calc(36% + 24px)}.student-ui .student-recommendation-card:not(.student-recommendation-fallback){display:flex;flex-direction:column}.student-ui .student-recommendation-card:not(.student-recommendation-fallback)>div:nth-child(3){margin-top:auto}.student-ui .student-recommendation-card:not(.student-recommendation-fallback)>.student-recommendation-primary{align-self:flex-start;margin-bottom:auto}.student-ui .student-recommendation-card>div:nth-child(2)>span:last-child{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-ui .student-recommendation-card>div:nth-child(2)>span:first-child{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border:1px solid rgba(82,111,159,.1);flex-shrink:0;white-space:nowrap;padding:3px 10px!important}.student-ui .student-recommendation-card>div:nth-child(2){align-items:flex-start!important}.student-ui .student-recommendation-card>div:nth-child(3){color:var(--pk-ink)!important;font-family:var(--pk-font-strong);font-weight:700!important;letter-spacing:-.025em!important}.student-ui .student-recommendation-card>div:nth-child(2)>span:last-child:not(.student-rec-tags),.student-ui .student-recommendation-card>div:nth-child(4){color:var(--pk-muted)!important;opacity:1!important}.student-ui .student-rec-tags{font-family:var(--pk-font-strong);font-weight:600;font-size:var(--font-size-body-md);letter-spacing:.01em;color:color-mix(in srgb,var(--pk-accent) 78%,white)}.student-ui .student-rec-tag-rotator{display:inline-block;transition:opacity .7s var(--pk-ease,ease),filter .7s var(--pk-ease,ease),transform .7s var(--pk-ease,ease)}.student-ui .student-rec-tag-rotator[data-shown=false]{opacity:0;filter:blur(4px);transform:translateY(-3px)}.student-ui .student-recommendation-primary{min-height:40px;padding:9px 22px!important;color:var(--pk-ink)!important;background:var(--pk-surface)!important;border:1px solid var(--pk-border)!important;border-radius:var(--pk-radius-pill)!important;box-shadow:var(--pk-shadow-hairline)!important;transition:transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),background var(--pk-duration) var(--pk-ease)}.student-ui .student-recommendation-primary:hover{background:var(--pk-surface)!important;transform:translateY(-1px);box-shadow:var(--pk-shadow-card)!important}.student-ui .student-recommendation-action{color:var(--pk-ink-soft)!important;background:var(--pk-surface-soft)!important;border:1px solid transparent!important;border-radius:var(--radius-lg)!important}.student-ui .student-recommendation-action:hover{color:var(--pk-ink)!important;background:var(--pk-accent-soft)!important;border-color:rgba(82,111,159,.1)!important;transform:translateY(-1px)}.student-ui .student-recommendation-action>div:first-child{color:var(--pk-accent-strong)!important;background:var(--pk-surface)!important;border:1px solid var(--pk-border)}.student-ui .student-class-card{padding:17px 18px!important;gap:11px!important;background:rgba(255,255,255,.96)!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-xl)!important;box-shadow:var(--pk-shadow-hairline)!important;transition:transform var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)!important}.student-ui .student-class-card[role=button]:hover{transform:translateY(-2px);border-color:var(--pk-border-strong)!important;box-shadow:var(--pk-shadow-card)!important}.student-ui .student-class-card-title{color:var(--pk-ink)!important;font-family:var(--pk-font-strong);letter-spacing:-.02em}.student-ui .student-class-card-footer,.student-ui .student-class-card-meta{color:var(--pk-muted)!important}.student-ui .student-class-card-footer{border-color:var(--pk-border)!important}.student-ui .score-prediction-card{padding:22px 24px!important;background:rgba(255,255,255,.97)!important;border:1px solid var(--pk-border)!important;border-radius:var(--radius-2xl)!important;box-shadow:var(--pk-shadow-hairline)!important}.student-ui .score-prediction-badge{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border:1px solid rgba(82,111,159,.1);flex-shrink:0;white-space:nowrap}.student-ui .score-prediction-heading{align-items:flex-start!important}.student-ui .score-prediction-caption{color:var(--pk-faint)!important}.student-ui .score-prediction-sketch .sketch-score-num,.student-ui .score-prediction-sketch .sketch-subject,.student-ui .score-prediction-sketch .sketch-subject-score,.student-ui .score-prediction-sketch .sketch-title{color:var(--sketch-ink)!important;font-family:var(--pk-font-strong)}.student-ui .score-prediction-sketch .sketch-score-cap{color:color-mix(in srgb,var(--sketch-ink) 55%,transparent)}.student-ui .score-prediction-sketch .sketch-body{color:color-mix(in srgb,var(--sketch-ink) 68%,transparent)}.student-ui .score-prediction-sketch .marker-bar{--marker-bar-h:15px}.student-ui .score-prediction-sketch .sketch-cta{padding:9px 20px;border:1.8px solid var(--sketch-ink);border-radius:999px;background:var(--sketch-butter);color:var(--sketch-ink);font-family:inherit;font-size:var(--font-size-body);font-weight:700;cursor:pointer;transition:transform .18s var(--pk-ease,ease)}.student-ui .score-prediction-sketch .sketch-cta:hover{transform:translateY(-1px)}.student-ui .score-prediction-sketch .sketch-footnote{margin-top:16px;font-size:var(--font-size-micro);line-height:1.5;color:color-mix(in srgb,var(--sketch-ink) 45%,transparent)}.student-ui .student-new-note-button{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border:1px solid rgba(82,111,159,.14)!important;box-shadow:var(--pk-shadow-hairline)!important;transition:transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),background var(--pk-duration) var(--pk-ease)}.student-ui .student-new-note-button:hover,.student-ui .student-upload-note-button:hover{transform:translateY(-1px);box-shadow:var(--pk-shadow-card)!important}.student-ui .student-upload-note-button{border-width:1px!important;border-color:var(--pk-border)!important;box-shadow:var(--pk-shadow-hairline);transition:transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease)}.student-ui .student-insights-panel{border:1px solid var(--pk-border)!important;border-radius:var(--radius-xl)!important;box-shadow:var(--pk-shadow-hairline)}.student-ui .practice-mode-card{border-width:1px!important;border-color:var(--pk-border)!important;border-radius:var(--radius-lg)!important;box-shadow:var(--pk-shadow-hairline)!important;transition:transform var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)!important}.student-ui .practice-mode-card.active,.student-ui .practice-mode-card:hover{border-color:rgba(82,111,159,.28)!important;background:var(--pk-accent-soft)!important;transform:translateY(-1px);box-shadow:var(--pk-shadow-card)!important}.student-ui .practice-filter-pill{color:var(--pk-ink-soft)!important;background:var(--pk-surface-muted)!important;border:1px solid transparent!important;transition:color var(--pk-duration-fast),background var(--pk-duration-fast),border-color var(--pk-duration-fast)}.student-ui .practice-filter-pill.active,.student-ui .practice-filter-pill:hover{color:var(--pk-accent-strong)!important;background:var(--pk-accent-soft)!important;border-color:rgba(82,111,159,.12)!important}@media (max-width:899px){.student-ui .student-insights-grid{grid-template-columns:1fr!important}}@media (max-width:520px){.student-ui .student-insights-overview{grid-template-columns:repeat(2,minmax(0,1fr))!important}.student-ui .student-insights-panel{padding:16px!important}.student-ui .student-recommendation-card:not(.student-recommendation-fallback):after{width:84px;right:6px;bottom:6px;opacity:.38}.student-ui .student-recommendation-card:not(.student-recommendation-fallback)>div:nth-child(2),.student-ui .student-recommendation-card:not(.student-recommendation-fallback)>div:nth-child(4){padding-right:0}}.teacher-ui .teacher-home-page{position:relative}.teacher-ui .teacher-duo-card{display:flex;flex-direction:column;padding:22px 24px;background:rgba(255,255,255,.97);border:1px solid var(--pk-border);border-radius:var(--radius-2xl);box-shadow:var(--pk-shadow-hairline)}.teacher-ui .teacher-briefing-card{box-shadow:0 10px 30px color-mix(in srgb,var(--shadow-color) 12%,transparent)}.teacher-ui .teacher-card-heading{display:flex;align-items:flex-start;gap:8px;margin-bottom:14px}.teacher-ui .teacher-card-badge{flex-shrink:0;white-space:nowrap;padding:3px 10px;border-radius:var(--pk-radius-pill);border:1px solid color-mix(in srgb,var(--pk-accent) 10%,transparent);background:var(--pk-accent-soft);color:var(--pk-accent-strong);font-size:var(--font-size-micro);font-weight:700;letter-spacing:.05em}.teacher-ui .teacher-card-caption{min-width:0;color:var(--pk-muted);font-size:var(--font-size-body-md);line-height:1.5}.teacher-ui .teacher-card-headline{margin-bottom:16px;color:var(--pk-ink);font-family:var(--pk-font-strong);font-size:20px;font-weight:700;letter-spacing:-.025em;line-height:1.3}.teacher-ui .teacher-briefing-row{display:flex;align-items:center;gap:12px;width:100%;padding:11px 13px;border:1px solid transparent;border-radius:var(--radius-lg);background:var(--pk-surface-soft);color:var(--pk-ink-soft);text-align:left;font-family:inherit;cursor:pointer;transition:color var(--pk-duration-fast),background var(--pk-duration-fast),border-color var(--pk-duration-fast),transform var(--pk-duration-fast)}.teacher-ui .teacher-briefing-row:hover{color:var(--pk-ink);background:var(--pk-accent-soft);border-color:color-mix(in srgb,var(--pk-accent) 12%,transparent);transform:translateY(-1px)}.teacher-ui .teacher-briefing-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:34px;height:34px;border:1px solid var(--pk-border);border-radius:var(--radius-md);background:var(--pk-surface);color:var(--pk-accent-strong)}.teacher-ui .teacher-briefing-title{font-size:var(--font-size-body);font-weight:700;line-height:1.35}.teacher-ui .teacher-briefing-sub{margin-top:2px;overflow:hidden;color:var(--pk-muted);font-size:var(--font-size-label);text-overflow:ellipsis;white-space:nowrap}.teacher-ui .teacher-briefing-cta{flex-shrink:0;color:var(--pk-accent-strong);font-size:var(--font-size-body-md);font-weight:700;white-space:nowrap}.teacher-ui .teacher-snapshot-figure{display:flex;align-items:baseline;gap:9px;margin-bottom:4px}.teacher-ui .teacher-snapshot-number{color:var(--pk-ink);font-family:var(--pk-font-strong);font-size:38px;font-weight:800;line-height:1;letter-spacing:-.03em}.teacher-ui .teacher-snapshot-unit{color:var(--pk-muted);font-size:var(--font-size-body);font-weight:600}.teacher-ui .teacher-snapshot-hint{margin-bottom:18px;color:var(--pk-muted);font-size:var(--font-size-body-md);line-height:1.55}.teacher-ui .teacher-progress-list{padding-right:98px}@media (max-width:400px){.teacher-ui .teacher-progress-list{padding-right:0}}.teacher-ui .teacher-progress-row+.teacher-progress-row{margin-top:13px}.teacher-ui .teacher-progress-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;line-height:1.25}.teacher-ui .teacher-progress-name{overflow:hidden;color:var(--pk-ink-soft);font-size:var(--font-size-body-md);font-weight:700;text-overflow:ellipsis;white-space:nowrap}.teacher-ui .teacher-progress-value{flex-shrink:0;color:var(--pk-muted);font-size:var(--font-size-label);font-weight:700;font-variant-numeric:tabular-nums}.teacher-ui .teacher-progress-track{--marker-bar-h:11px;margin-top:5px}.teacher-ui .teacher-snapshot-footnote{margin-top:auto;padding-top:16px;color:var(--pk-faint);font-size:var(--font-size-micro);line-height:1.5}.teacher-ui .voice-entry{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;margin-bottom:16px;border:1px solid var(--pk-border);border-radius:var(--radius-lg);background:var(--pk-accent-soft);color:inherit;text-decoration:none;box-shadow:var(--pk-shadow-hairline);cursor:pointer;transition:border-color var(--pk-duration) var(--pk-ease),transform var(--pk-duration) var(--pk-ease),box-shadow var(--pk-duration) var(--pk-ease)}.teacher-ui .voice-entry:hover{border-color:color-mix(in srgb,var(--pk-accent) 26%,transparent);transform:translateY(-1px);box-shadow:var(--pk-shadow-card)}.teacher-ui .voice-entry:active{transform:translateY(0);box-shadow:var(--pk-shadow-hairline)}.teacher-ui .voice-entry-icon{display:flex;justify-content:center;width:36px;height:36px;border:1px solid var(--pk-border);border-radius:var(--radius-sm);background:var(--pk-surface)}.teacher-ui .voice-entry-cta,.teacher-ui .voice-entry-icon{align-items:center;flex-shrink:0;color:var(--pk-accent-strong)}.teacher-ui .voice-entry-cta{display:inline-flex;gap:6px;padding:7px 14px;border:1px solid var(--pk-border);border-radius:var(--pk-radius-pill);background:rgba(255,255,255,.7);font-size:var(--font-size-body-md);font-weight:600;white-space:nowrap;transition:background var(--pk-duration) var(--pk-ease),border-color var(--pk-duration) var(--pk-ease)}.teacher-ui .voice-entry:hover .voice-entry-cta{background:var(--pk-surface);border-color:color-mix(in srgb,var(--pk-accent) 22%,transparent)}.teacher-ui .voice-entry-arrow{display:inline-block;transition:transform var(--pk-duration) var(--pk-ease)}.teacher-ui .voice-entry:hover .voice-entry-arrow{transform:translateX(3px)}.teacher-ui .voice-entry-title{margin-bottom:2px;color:var(--pk-accent-strong);font-size:var(--font-size-body);font-weight:600}.teacher-ui .voice-entry-desc{color:var(--pk-muted);font-size:var(--font-size-label);line-height:1.5}.teacher-ui .teacher-stat-pill{display:inline-flex;align-items:baseline;gap:6px;padding:7px 14px;border:1px solid var(--pk-border);border-radius:var(--radius-md);background:rgba(255,255,255,.92);box-shadow:var(--pk-shadow-hairline)}.teacher-ui .teacher-stat-value{font-family:var(--pk-font-strong);font-size:19px;font-weight:800;line-height:1}.teacher-ui .teacher-stat-label{color:var(--pk-muted);font-size:var(--font-size-body-md)}