:root[data-theme=light]{--sv-color-background:#f7f5f2;--sv-color-surface:#fff;--sv-color-surface-subtle:#f0eeea;--sv-color-surface-raised:#fcfbf9;--sv-color-ink:#161b24;--sv-color-ink-muted:#5e6674;--sv-color-border:#d8d4ce;--sv-color-border-strong:#aaa59d;--sv-color-brand:#2856c6;--sv-color-brand-hover:#1f46aa;--sv-color-brand-contrast:#fff;--sv-color-focus:#3969e8;--sv-color-info:#2563eb;--sv-color-success:#137a52;--sv-color-warning:#8a4b00;--sv-color-danger:#b52f45;--sv-color-teaching-accent:#6d4ae8;--sv-color-data-accent:#0e7180}:root[data-theme=dark]{--sv-color-background:#11151d;--sv-color-surface:#181e29;--sv-color-surface-subtle:#202735;--sv-color-surface-raised:#252d3b;--sv-color-ink:#f3f0eb;--sv-color-ink-muted:#b7bdca;--sv-color-border:#333c4b;--sv-color-border-strong:#566174;--sv-color-brand:#7ea1ff;--sv-color-brand-hover:#9ab5ff;--sv-color-brand-contrast:#0b1020;--sv-color-focus:#98b6ff;--sv-color-info:#75a7ff;--sv-color-success:#55c79a;--sv-color-warning:#f3b562;--sv-color-danger:#ff7b8e;--sv-color-teaching-accent:#ae93ff;--sv-color-data-accent:#62cad3}:root{--sv-font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;--sv-font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--sv-radius-small:6px;--sv-radius-medium:10px;--sv-radius-large:16px;--sv-radius-round:999px;--sv-space-1:4px;--sv-space-2:8px;--sv-space-3:12px;--sv-space-4:16px;--sv-space-5:24px;--sv-space-6:32px;--sv-space-7:48px;--sv-motion-fast:.12s;--sv-motion-normal:.18s;--sv-shadow-raised:0 16px 48px #12182224}:root[data-density=comfortable]{--sv-density-control-height:44px;--sv-density-row-height:52px;--sv-density-content-gap:16px}:root[data-density=compact]{--sv-density-control-height:36px;--sv-density-row-height:40px;--sv-density-content-gap:10px}.sv-skip-link{z-index:1000;clip:rect(0 0 0 0);white-space:nowrap;border-radius:var(--sv-radius-small);width:1px;height:1px;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);margin:-1px;padding:0;font-weight:750;text-decoration:none;position:fixed;inset-block-start:var(--sv-space-2);inset-inline-start:var(--sv-space-2);overflow:hidden}.sv-skip-link:focus{width:auto;height:auto;padding:var(--sv-space-2) var(--sv-space-3);clip:auto;white-space:normal;outline:3px solid var(--sv-color-focus);outline-offset:2px;margin:0;overflow:visible}.sv-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:where(.sv-button,.sv-field input,.sv-select){min-height:var(--sv-density-control-height);border:1px solid var(--sv-color-border-strong);border-radius:var(--sv-radius-medium);font:inherit}.sv-button{justify-content:center;align-items:center;gap:var(--sv-space-2);padding:0 var(--sv-space-4);color:var(--sv-color-ink);background:var(--sv-color-surface);cursor:pointer;transition:background-color var(--sv-motion-fast) ease, border-color var(--sv-motion-fast) ease, transform var(--sv-motion-fast) ease;display:inline-flex}.sv-button:hover{background:var(--sv-color-surface-subtle);border-color:var(--sv-color-ink-muted)}.sv-button:active{transform:translateY(1px)}.sv-button--primary{color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);border-color:var(--sv-color-brand)}.sv-button--primary:hover{color:var(--sv-color-brand-contrast);background:var(--sv-color-brand-hover);border-color:var(--sv-color-brand-hover)}.sv-button--danger{color:var(--sv-color-danger);border-color:color-mix(in srgb, var(--sv-color-danger) 45%, var(--sv-color-border));background:var(--sv-color-surface)}.sv-button--small{min-height:32px;padding-inline:var(--sv-space-3);font-size:.875rem}.sv-button:disabled{opacity:.55;cursor:not-allowed}:where(.sv-button,.sv-field input,.sv-select,[role=tab]):focus-visible{outline:3px solid var(--sv-color-focus);outline-offset:3px}.sv-badge{min-height:24px;padding:1px var(--sv-space-2);border-radius:var(--sv-radius-round);color:var(--sv-color-ink-muted);background:var(--sv-color-surface-subtle);letter-spacing:.02em;border:0;align-items:center;font-size:.75rem;font-weight:700;display:inline-flex}.sv-badge--info{color:var(--sv-color-info);background:color-mix(in srgb, currentColor 9%, var(--sv-color-surface))}.sv-badge--success{color:var(--sv-color-success);background:color-mix(in srgb, currentColor 9%, var(--sv-color-surface))}.sv-badge--warning{color:var(--sv-color-warning);background:color-mix(in srgb, currentColor 9%, var(--sv-color-surface))}.sv-badge--danger{color:var(--sv-color-danger);background:color-mix(in srgb, currentColor 9%, var(--sv-color-surface))}.sv-alert{padding:var(--sv-space-3) var(--sv-space-4);border-radius:var(--sv-radius-medium);color:var(--sv-color-info);background:color-mix(in srgb, currentColor 8%, var(--sv-color-surface));border:0}.sv-alert--success{color:var(--sv-color-success)}.sv-alert--warning{color:var(--sv-color-warning)}.sv-alert--danger{color:var(--sv-color-danger)}.sv-context-band{gap:var(--sv-space-1);padding:var(--sv-space-1);border-radius:var(--sv-radius-medium);color:var(--sv-color-ink);background:color-mix(in srgb, var(--sv-color-brand) 7%, var(--sv-color-surface));border:0;grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr));margin:0;display:grid}.sv-context-band>div{align-content:start;gap:var(--sv-space-1);min-width:0;padding:var(--sv-space-2) var(--sv-space-3);display:grid}.sv-context-band dt{color:var(--sv-color-ink-muted);letter-spacing:.08em;text-transform:uppercase;font-size:.65rem;font-weight:800}.sv-context-band dd{text-overflow:ellipsis;white-space:nowrap;min-width:0;margin:0;font-weight:750;overflow:hidden}.sv-context-band dd.is-mono{font-family:var(--sv-font-mono)}.sv-flat-navigation{background:var(--sv-color-surface-subtle);border:0}.sv-app-header{z-index:40;border-bottom:1px solid var(--sv-color-border);color:var(--sv-color-ink);background:color-mix(in srgb, var(--sv-color-surface) 94%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:relative}.sv-app-header__inner{align-items:center;gap:var(--sv-space-3);width:min(100%,1600px);min-height:60px;padding:var(--sv-space-2) clamp(var(--sv-space-3), 3vw, var(--sv-space-6));margin-inline:auto;display:flex}.sv-app-header__brand,.sv-app-header__product-home,.sv-app-header summary,.sv-app-header nav a{color:inherit;text-decoration:none}.sv-app-header__brand{align-items:center;gap:var(--sv-space-2);flex:none;display:inline-flex}.sv-app-header__brand>span{border-radius:var(--sv-radius-medium);width:34px;height:34px;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);place-items:center;font-weight:850;display:grid}.sv-app-header__brand strong{letter-spacing:-.01em;font-size:.95rem}.sv-app-header__divider{background:var(--sv-color-border);width:1px;height:24px}.sv-app-header details{position:relative}.sv-app-header summary{cursor:pointer;list-style:none}.sv-app-header summary::-webkit-details-marker{display:none}.sv-app-header__products>summary,.sv-app-header__product-home{align-items:center;gap:var(--sv-space-2);min-height:36px;padding-inline:var(--sv-space-3);border-radius:var(--sv-radius-medium);font-size:.875rem;font-weight:750;display:inline-flex}.sv-app-header__products>summary:hover,.sv-app-header__product-home:hover,.sv-app-header__account>summary:hover{background:var(--sv-color-surface-subtle)}.sv-app-header__products>summary i{color:var(--sv-color-ink-muted);font-style:normal}.sv-app-header__products nav,.sv-app-header__account-menu{min-width:230px;padding:var(--sv-space-2);border:1px solid var(--sv-color-border);border-radius:var(--sv-radius-large);background:var(--sv-color-surface-raised);box-shadow:var(--sv-shadow-raised);position:absolute;inset-block-start:calc(100% + var(--sv-space-2))}.sv-app-header__products nav{inset-inline-start:0}.sv-app-header__products nav a{justify-content:space-between;align-items:center;gap:var(--sv-space-3);min-height:40px;padding:var(--sv-space-2) var(--sv-space-3);border-radius:var(--sv-radius-medium);font-size:.875rem;display:flex}.sv-app-header__products nav a:hover,.sv-app-header__products nav a[aria-current=page]{background:var(--sv-color-surface-subtle)}.sv-app-header__products nav a span{color:var(--sv-color-brand);font-size:.7rem;font-weight:750}.sv-app-header__context{min-width:0;color:var(--sv-color-ink-muted);flex:auto;justify-content:center;font-size:.8rem;display:flex}.sv-app-header__actions{align-items:center;gap:var(--sv-space-2);margin-inline-start:auto;display:flex}.sv-app-header__account>summary{align-items:center;gap:var(--sv-space-2);min-height:40px;padding:3px 4px 3px var(--sv-space-3);border-radius:var(--sv-radius-round);display:flex}.sv-app-header__user-copy{justify-items:end;display:grid}.sv-app-header__user-copy strong,.sv-app-header__user-copy small{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.sv-app-header__user-copy strong{font-size:.75rem}.sv-app-header__user-copy small{color:var(--sv-color-ink-muted);font-size:.65rem}.sv-app-header__avatar{border-radius:var(--sv-radius-round);width:32px;height:32px;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);place-items:center;font-size:.75rem;font-weight:850;display:grid}.sv-app-header__account-menu{gap:var(--sv-space-1);display:grid;inset-inline-end:0}.sv-app-header__account-menu :where(a,button){width:100%;min-height:38px;padding:var(--sv-space-2) var(--sv-space-3);border-radius:var(--sv-radius-medium);color:var(--sv-color-ink);font:inherit;text-align:start;cursor:pointer;background:0 0;border:0;align-items:center;font-size:.875rem;text-decoration:none;display:flex}.sv-app-header__account-menu :where(a,button):hover{background:var(--sv-color-surface-subtle)}.sv-product-sidebar{min-width:0;padding:var(--sv-space-2);border-radius:var(--sv-radius-large);background:var(--sv-color-surface-subtle);align-self:start}.sv-product-sidebar__title{padding:var(--sv-space-2) var(--sv-space-3) var(--sv-space-3);color:var(--sv-color-ink-muted);letter-spacing:.1em;text-transform:uppercase;margin:0;font-size:.68rem;font-weight:800}.sv-product-sidebar nav{gap:2px;display:grid}.sv-product-sidebar nav a{justify-content:space-between;align-items:center;gap:var(--sv-space-3);min-width:0;min-height:44px;padding:var(--sv-space-2) var(--sv-space-3);border-radius:var(--sv-radius-medium);color:var(--sv-color-ink-muted);text-decoration:none;display:flex}.sv-product-sidebar nav a:hover,.sv-product-sidebar nav a.is-current{color:var(--sv-color-ink);background:var(--sv-color-surface)}.sv-product-sidebar nav a.is-current{box-shadow:inset 3px 0 0 var(--sv-color-brand)}.sv-product-sidebar nav a[aria-disabled=true]{opacity:.52;cursor:not-allowed}.sv-product-sidebar nav a>span{gap:2px;min-width:0;display:grid}.sv-product-sidebar nav strong{font-size:.85rem}.sv-product-sidebar nav small{text-overflow:ellipsis;white-space:nowrap;font-size:.68rem;font-weight:500;overflow:hidden}.sv-product-sidebar nav i{color:var(--sv-color-ink-muted);flex:none;font-size:.68rem;font-style:normal}.sv-product-sidebar__footer{margin-top:var(--sv-space-3);padding:var(--sv-space-3);border-top:1px solid var(--sv-color-border);color:var(--sv-color-ink-muted);font-size:.75rem}@media (width<=720px){.sv-app-header__inner{gap:var(--sv-space-2);min-height:56px}.sv-app-header__brand strong,.sv-app-header__divider,.sv-app-header__context,.sv-app-header__user-copy{display:none}.sv-app-header__products>summary,.sv-app-header__product-home{padding-inline:var(--sv-space-2)}.sv-app-header__products nav{inset-block-start:58px;inset-inline:var(--sv-space-3);min-width:0;position:fixed}.sv-product-sidebar{padding:var(--sv-space-1);border-radius:var(--sv-radius-medium);scrollbar-width:thin;overflow-x:auto}.sv-product-sidebar__title,.sv-product-sidebar__footer{display:none}.sv-product-sidebar nav{width:max-content;display:flex}.sv-product-sidebar nav a{min-height:40px;padding-inline:var(--sv-space-3)}.sv-product-sidebar nav small,.sv-product-sidebar nav i{display:none}}.sv-field{gap:var(--sv-space-1);display:grid}.sv-field label{font-weight:700}.sv-field>span{color:var(--sv-color-ink-muted);font-size:.875rem}.sv-field input{padding-inline:var(--sv-space-3);color:var(--sv-color-ink);background:var(--sv-color-surface)}.sv-field__error{color:var(--sv-color-danger);font-size:.875rem}.sv-dialog__backdrop{background:color-mix(in srgb, var(--sv-color-ink) 58%, transparent);opacity:1;transition:opacity var(--sv-motion-normal) ease;position:fixed;inset:0}.sv-dialog__viewport{padding:var(--sv-space-4);place-items:center;display:grid;position:fixed;inset:0}.sv-dialog__popup{width:min(100%,520px);padding:var(--sv-space-5);border:1px solid var(--sv-color-border);border-radius:var(--sv-radius-large);color:var(--sv-color-ink);background:var(--sv-color-surface-raised);box-shadow:var(--sv-shadow-raised)}.sv-dialog__title{margin:0;font-size:1.25rem}.sv-dialog__description{margin:var(--sv-space-2) 0 0;color:var(--sv-color-ink-muted);line-height:1.6}.sv-dialog__content{margin-top:var(--sv-space-4)}.sv-dialog__actions{justify-content:flex-end;gap:var(--sv-space-2);margin-top:var(--sv-space-5);display:flex}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto;transition-duration:.01ms;animation-duration:.01ms;animation-iteration-count:1}}@media (forced-colors:active){.sv-skip-link{color:canvas;background:canvastext}.sv-button,.sv-badge,.sv-alert,.sv-dialog__popup{forced-color-adjust:auto;border:1px solid buttontext}.sv-context-band{outline:1px solid canvastext}.sv-app-header,.sv-app-header__products nav,.sv-app-header__account-menu,.sv-product-sidebar{border:1px solid canvastext}}:root{color:var(--sv-color-ink);background:var(--sv-color-background);font-family:var(--sv-font-sans);font-synthesis:none;text-rendering:optimizelegibility}*{box-sizing:border-box}body{background:radial-gradient(circle at 85% 2%, color-mix(in srgb, var(--sv-color-teaching-accent) 20%, transparent), transparent 25rem), linear-gradient(180deg, var(--sv-color-background) 0, var(--sv-color-surface-subtle) 100%);min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}:where(button,a,input,textarea):focus-visible{outline:3px solid var(--sv-color-focus);outline-offset:3px}.studio-shell{width:min(1440px,100%);min-height:100vh;margin:0 auto;padding:0 42px 48px}.studio-header{border-bottom:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);grid-template-columns:1fr auto 1fr;align-items:center;height:76px;display:grid}.brand{width:fit-content;color:inherit;align-items:center;gap:11px;text-decoration:none;display:flex}.brand-mark{border-radius:var(--sv-radius-small);width:38px;height:38px;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);font-family:var(--sv-font-sans);place-items:center;font-size:23px;display:grid}.brand strong,.brand small{display:block}.brand strong{font-family:var(--sv-font-sans);letter-spacing:.02em;font-size:19px}.brand small{color:var(--sv-color-ink-muted);letter-spacing:.14em;text-transform:uppercase;margin-top:1px;font-size:10px;font-weight:700}.workspace-chip{border:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:color-mix(in srgb, var(--sv-color-surface) 45%, transparent);align-items:center;gap:9px;padding:9px 16px;font-size:13px;display:flex}.presence-dot{border-radius:var(--sv-radius-small);background:var(--sv-color-success);width:7px;height:7px;box-shadow:none}.teacher-avatar{border:1px solid color-mix(in srgb, var(--sv-color-ink) 20%, transparent);border-radius:var(--sv-radius-small);width:38px;height:38px;color:var(--sv-color-ink);background:var(--sv-color-surface-subtle);font-family:var(--sv-font-sans);justify-self:end;place-items:center;font-weight:700;display:grid}.studio-mode-switch{border:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface-subtle);gap:4px;margin-top:24px;padding:4px;display:inline-flex}.studio-mode-switch button{border-radius:calc(var(--sv-radius-small) - 2px);min-height:38px;color:var(--sv-color-ink-muted);cursor:pointer;background:0 0;border:0;padding:0 18px;font-weight:700}.studio-mode-switch button.active{color:var(--sv-color-ink);background:var(--sv-color-surface);box-shadow:0 1px 4px color-mix(in srgb, var(--sv-color-ink) 12%, transparent)}.evaluation-only-hero{padding-bottom:26px}.hero{grid-template-columns:1fr 310px;align-items:end;gap:50px;padding:48px 4px 38px;display:grid}.eyebrow,.card-heading p{color:var(--sv-color-teaching-accent);letter-spacing:.22em;margin:0 0 9px;font-size:10px;font-weight:800}.hero h1{max-width:760px;color:var(--sv-color-ink);font-family:var(--sv-font-sans);letter-spacing:-.035em;margin:0;font-size:clamp(36px,4.4vw,64px);font-weight:500;line-height:1.12}.hero-copy{color:var(--sv-color-ink-muted);margin:18px 0 0;font-size:15px;line-height:1.7}.hero-note{border-left:3px solid var(--sv-color-teaching-accent);background:color-mix(in srgb, var(--sv-color-surface) 38%, transparent);min-height:116px;padding:22px 24px}.hero-note span,.hero-note strong,.hero-note small{display:block}.hero-note span{color:var(--sv-color-ink-muted);letter-spacing:.12em;font-size:11px;font-weight:700}.hero-note strong{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:9px 0;font-size:20px}.hero-note small{color:var(--sv-color-ink-muted);font-size:11px}.stepper{border-top:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);border-bottom:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);grid-template-columns:repeat(4,1fr);margin-bottom:22px;display:grid}.step{color:var(--sv-color-ink-muted);align-items:center;gap:10px;padding:15px 10px;display:flex;position:relative}.step span{font-family:var(--sv-font-sans);font-size:12px}.step strong{font-size:12px;font-weight:700}.step i{background:0 0;height:2px;position:absolute;bottom:-1px;left:0;right:0}.step-active{color:var(--sv-color-ink)}.step-active i{background:var(--sv-color-teaching-accent)}.workflow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.work-card{border:1px solid color-mix(in srgb, var(--sv-color-ink) 13%, transparent);border-radius:var(--sv-radius-small);background:color-mix(in srgb, var(--sv-color-surface) 84%, transparent);min-height:450px;box-shadow:none;padding:26px;position:relative;overflow:hidden}.work-card:before{background:linear-gradient(225deg, color-mix(in srgb, var(--sv-color-teaching-accent) 12%, transparent), transparent 62%);content:"";width:80px;height:80px;position:absolute;top:0;right:0}.card-heading{grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin-bottom:25px;display:grid}.card-number{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);width:37px;height:37px;color:var(--sv-color-ink);font-family:var(--sv-font-sans);place-items:center;font-size:13px;display:grid}.card-heading p{margin-bottom:4px;font-size:8px}.card-heading h2{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:21px;font-weight:600}.state-pill{border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:var(--sv-color-background);text-transform:uppercase;padding:6px 9px;font-size:10px;font-weight:700}.state-pill.done{color:var(--sv-color-success);background:color-mix(in srgb, var(--sv-color-success) 10%, var(--sv-color-surface))}.capture-tabs{border-radius:var(--sv-radius-small);background:var(--sv-color-background);border:0;gap:6px;margin-bottom:22px;padding:4px;display:flex}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.capture-tab{border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:0 0;border:0;flex:1;padding:8px 6px;font-size:11px}.capture-tab.active{color:var(--sv-color-ink);background:var(--sv-color-surface);box-shadow:none;font-weight:700}.capture-tab small{color:var(--sv-color-teaching-accent);margin-left:3px;font-size:8px}.field-label{color:var(--sv-color-ink-muted);margin-bottom:8px;font-size:11px;font-weight:700;display:block}textarea,input{border:1px solid color-mix(in srgb, var(--sv-color-ink) 17%, transparent);border-radius:var(--sv-radius-small);width:100%;color:var(--sv-color-ink);background:var(--sv-color-surface);transition:border-color var(--sv-motion-normal) ease, box-shadow var(--sv-motion-normal) ease;outline:none}textarea:focus,input:focus{border-color:var(--sv-color-brand);box-shadow:none}textarea:disabled,input:disabled{color:var(--sv-color-ink-muted);background:var(--sv-color-background)}textarea{resize:vertical;min-height:92px;font-family:var(--sv-font-sans);padding:14px;font-size:19px;line-height:1.45}input{height:43px;padding:0 13px;font-size:13px}.answer-preview{grid-template-columns:1fr 1fr;gap:8px;margin:10px 0 21px;display:grid}.answer-preview span{border:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);padding:10px 12px;font-size:12px}.answer-preview .correct{border-color:color-mix(in srgb, var(--sv-color-success) 42%, var(--sv-color-border));color:var(--sv-color-success);background:color-mix(in srgb, var(--sv-color-success) 8%, var(--sv-color-surface))}.recognition-proof{border-left:3px solid var(--sv-color-teaching-accent);color:var(--sv-color-ink-muted);background:var(--sv-color-background);grid-template-columns:1fr auto;gap:5px 10px;margin:-10px 0 18px;padding:10px 12px;font-size:10px;display:grid}.recognition-proof code{color:var(--sv-color-teaching-accent)}.recognition-proof small{color:var(--sv-color-danger);grid-column:1/-1}.primary-button,.outline-button,.session-actions button{border-radius:var(--sv-radius-small);min-height:40px;transition:transform var(--sv-motion-fast) ease, background var(--sv-motion-fast) ease, opacity var(--sv-motion-fast) ease;font-size:12px;font-weight:750}.primary-button{border:1px solid var(--sv-color-brand);width:100%;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand)}.primary-button:not(:disabled):hover,.session-actions button:not(:disabled):hover,.outline-button:not(:disabled):hover{transform:translateY(-1px)}.primary-button:disabled,.outline-button:disabled,.session-actions button:disabled{opacity:.45}.lesson-outline{border-top:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);margin:18px 0 24px}.lesson-outline div{border-bottom:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);grid-template-columns:54px 1fr;gap:12px;padding:12px 2px;display:grid}.lesson-outline span{color:var(--sv-color-teaching-accent);letter-spacing:.08em;font-size:10px;font-weight:800}.lesson-outline p{color:var(--sv-color-ink-muted);margin:0;font-size:12px;line-height:1.55}.hash-box{border:1px dashed color-mix(in srgb, var(--sv-color-ink) 22%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-background);padding:18px}.hash-box span,.hash-box code{display:block}.hash-box span{color:var(--sv-color-ink-muted);margin-bottom:7px;font-size:10px}.hash-box code{color:var(--sv-color-ink);font-size:12px}blockquote{border-left:2px solid var(--sv-color-teaching-accent);color:var(--sv-color-ink-muted);font-family:var(--sv-font-sans);margin:22px 0 25px;padding:3px 0 3px 17px;font-size:13px;line-height:1.75}.session-card{transition:border-color var(--sv-motion-normal) ease, box-shadow var(--sv-motion-normal) ease}.session-card.is-live{border-color:color-mix(in srgb, var(--sv-color-brand) 50%, transparent);box-shadow:none}.class-stage{border-radius:var(--sv-radius-small);text-align:center;background:linear-gradient(color-mix(in srgb, var(--sv-color-ink) 96%, transparent), color-mix(in srgb, var(--sv-color-ink) 96%, transparent)), var(--sv-color-ink);place-items:center;min-height:118px;padding:20px;display:grid}.class-stage span,.class-stage strong,.class-stage small{display:block}.stage-label{color:var(--sv-color-brand);letter-spacing:.15em;justify-self:start;font-size:9px}.class-stage strong{color:var(--sv-color-background);font-family:var(--sv-font-sans);font-size:26px;font-weight:500}.class-stage small{color:var(--sv-color-brand);font-size:9px}.session-actions{grid-template-columns:1fr 1fr;gap:8px;margin:10px 0 16px;display:grid}.session-actions button{border:1px solid color-mix(in srgb, var(--sv-color-ink) 22%, transparent);color:var(--sv-color-ink);background:var(--sv-color-background)}.outline-button{border:1px solid var(--sv-color-brand);width:100%;color:var(--sv-color-brand);background:var(--sv-color-surface);margin-top:10px}.evaluation-report{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);background:linear-gradient(135deg, color-mix(in srgb, var(--sv-color-background) 96%, transparent), color-mix(in srgb, var(--sv-color-background) 92%, transparent));box-shadow:none;margin-top:26px;padding:28px}.report-heading{justify-content:space-between;align-items:center;gap:20px;display:flex}.report-heading p{color:var(--sv-color-teaching-accent);letter-spacing:.18em;margin:0 0 6px;font-size:9px;font-weight:800}.report-heading h2{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:27px}.report-meta{border:1px dashed color-mix(in srgb, var(--sv-color-ink) 20%, transparent);background:color-mix(in srgb, var(--sv-color-surface) 42%, transparent);grid-template-columns:auto minmax(0,1fr);gap:6px 16px;margin:22px 0;padding:15px;font-size:10px;display:grid}.report-meta span{color:var(--sv-color-ink-muted);font-weight:800}.report-meta code,.report-findings dd{color:var(--sv-color-ink);text-overflow:ellipsis;overflow:hidden}.report-findings article{border-left:3px solid var(--sv-color-teaching-accent);background:var(--sv-color-surface);padding:20px}.report-findings header{color:var(--sv-color-ink);justify-content:space-between;display:flex}.report-findings header span,.report-findings small{color:var(--sv-color-ink-muted);font-size:10px}.report-findings p{color:var(--sv-color-ink);margin:13px 0 7px;line-height:1.65}.report-findings dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:18px 0 0;display:grid}.report-findings dl div{background:var(--sv-color-background);min-width:0;padding:9px 10px}.report-findings dt{color:var(--sv-color-teaching-accent);letter-spacing:.1em;font-size:8px;font-weight:800}.report-findings dd{font-family:var(--sv-font-mono);white-space:nowrap;margin:4px 0 0;font-size:9px}.projection-lab{border:1px solid color-mix(in srgb, var(--sv-color-ink) 16%, transparent);border-radius:var(--sv-radius-small);background:color-mix(in srgb, var(--sv-color-background) 86%, transparent);box-shadow:none;margin-top:26px;padding:28px;overflow:hidden}.projection-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px;display:flex}.projection-heading h2{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:26px;font-weight:600}.projection-switch{border-radius:var(--sv-radius-small);background:var(--sv-color-surface-subtle);border:0;margin:0;padding:4px;display:flex}.projection-switch button,.canvas-toolbar button{border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:0 0;border:0;padding:8px 14px;font-size:11px;font-weight:700}.projection-switch button.active{color:var(--sv-color-ink);background:var(--sv-color-surface);box-shadow:none}.classic-projection{border:1px solid color-mix(in srgb, var(--sv-color-ink) 13%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);min-height:300px;padding:34px}.projection-badge{border-radius:var(--sv-radius-small);color:var(--sv-color-ink);background:var(--sv-color-background);letter-spacing:.08em;text-transform:uppercase;padding:5px 8px;font-size:9px;font-weight:800;display:inline-flex}.projection-kicker{color:var(--sv-color-teaching-accent);letter-spacing:.15em;margin:22px 0 7px;font-size:9px;font-weight:800}.classic-projection h3,.canvas-node h3{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:24px;font-weight:600}.projection-fields{background:color-mix(in srgb, var(--sv-color-ink) 10%, transparent);grid-template-columns:repeat(3,1fr);gap:1px;margin:24px 0;display:grid}.projection-fields div{background:var(--sv-color-background);min-height:92px;padding:14px}.projection-fields dt{color:var(--sv-color-teaching-accent);margin-bottom:8px;font-size:9px;font-weight:800}.projection-fields dd{color:var(--sv-color-ink-muted);margin:0;font-size:11px;line-height:1.6}.projection-version{color:var(--sv-color-ink-muted);font-size:9px}.canvas-reference{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-ink);overflow:hidden}.canvas-toolbar{border-bottom:1px solid color-mix(in srgb, var(--sv-color-surface) 9%, transparent);min-height:42px;color:var(--sv-color-brand);letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;align-items:center;padding:0 13px 0 17px;font-size:9px;font-weight:800;display:flex}.canvas-toolbar button{color:var(--sv-color-surface-subtle);background:color-mix(in srgb, var(--sv-color-surface) 8%, transparent)}.canvas-scrollport{background:linear-gradient(color-mix(in srgb, var(--sv-color-surface) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--sv-color-surface) 4%, transparent) 1px, transparent 1px), var(--sv-color-ink);background-size:24px 24px;width:100%;overflow-x:auto}.canvas-plane{transform-origin:0 0;width:970px;height:455px;transition:transform var(--sv-motion-normal) ease;position:relative}.canvas-node{border-radius:var(--sv-radius-small);text-align:left;color:var(--sv-color-ink);background:var(--sv-color-surface);box-shadow:none;border:2px solid #0000;padding:24px;display:block;position:absolute;overflow:hidden}.canvas-node:hover,.canvas-node.selected{border-color:var(--sv-color-teaching-accent)}.canvas-node .projection-fields{margin:15px 0}.canvas-node .projection-fields div{min-height:80px;padding:10px}.canvas-node .projection-fields dd{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.canvas-answer{color:var(--sv-color-ink-muted);font-size:11px;line-height:1.7}.canvas-contract-proof{color:var(--sv-color-border);background:var(--sv-color-ink);justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;font-size:9px;display:flex}.canvas-contract-proof strong{color:var(--sv-color-teaching-accent)}.canvas-propose-button{border:1px solid var(--sv-color-brand);border-radius:var(--sv-radius-small);width:100%;min-height:43px;color:var(--sv-color-brand-contrast);background:var(--sv-color-brand);margin-top:10px;font-size:12px;font-weight:800}.canvas-propose-button:disabled{opacity:.5}.status-banner{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);background:color-mix(in srgb, var(--sv-color-background) 72%, transparent);grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin-top:18px;padding:15px 18px;display:grid}.status-banner>span{border-radius:var(--sv-radius-small);width:28px;height:28px;color:var(--sv-color-surface);background:var(--sv-color-success);place-items:center;font-size:12px;font-weight:800;display:grid}.status-banner strong{color:var(--sv-color-ink);font-size:12px}.status-banner p{color:var(--sv-color-ink-muted);margin:3px 0 0;font-size:11px}.status-banner code{color:var(--sv-color-ink-muted);font-size:10px}.status-error{border-color:color-mix(in srgb, var(--sv-color-danger) 24%, transparent);background:var(--sv-color-background)}.status-error>span{background:var(--sv-color-danger)}.teaching-lab{border:1px solid color-mix(in srgb, var(--sv-color-ink) 16%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-background);box-shadow:none;margin-top:26px;padding:28px}.teaching-lab-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:20px;display:flex}.teaching-lab-heading h2{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:26px;font-weight:600}.teaching-lab-heading>div>p:last-child{color:var(--sv-color-ink-muted);margin:8px 0 0;font-size:11px}.teaching-lab-frame{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);overflow:hidden}.teaching-lab-frame.is-canvas{background:linear-gradient(color-mix(in srgb, var(--sv-color-surface) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--sv-color-surface) 4%, transparent) 1px, transparent 1px), var(--sv-color-ink);background-size:24px 24px;padding:22px}.teaching-lab-frame.is-canvas[data-lod=focus]{box-shadow:none}.teaching-lab-node-meta,.teaching-lab-toolbar{justify-content:space-between;align-items:center;display:flex}.teaching-lab-node-meta{color:var(--sv-color-surface-subtle);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;font-size:9px;font-weight:800}.teaching-lab-node-meta code{color:var(--sv-color-teaching-accent);text-transform:none}.teaching-lab-grid{grid-template-columns:minmax(0,1.8fr) minmax(230px,.7fr);min-height:430px;display:grid}.is-canvas .teaching-lab-grid{border-radius:var(--sv-radius-small);background:var(--sv-color-surface);box-shadow:none;overflow:hidden}.teaching-lab-stage{border-right:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent);min-width:0;padding:16px;position:relative}.teaching-lab-toolbar{min-height:32px;color:var(--sv-color-ink);font-size:10px;font-weight:800}.teaching-lab-renderer{border:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);min-height:340px;overflow:hidden}.teaching-lab-renderer.is-suspended{visibility:hidden}.teaching-lab-thumbnail{border:1px dashed color-mix(in srgb, var(--sv-color-ink) 25%, transparent);border-radius:var(--sv-radius-small);text-align:center;color:var(--sv-color-ink);background:linear-gradient(145deg, var(--sv-color-background), var(--sv-color-background));place-content:center;gap:9px;margin:0;display:grid;position:absolute;inset:48px 16px 16px}.teaching-lab-thumbnail span{color:var(--sv-color-ink-muted);font-family:var(--sv-font-mono);font-size:10px}.teaching-lab-thumbnail img{object-fit:contain;border:1px solid color-mix(in srgb, var(--sv-color-ink) 15%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);width:min(420px,85%);max-height:210px;margin:0 auto}.teaching-lab-thumbnail button,.teaching-lab-lod-actions button,.teaching-lab-error button{border:1px solid color-mix(in srgb, var(--sv-color-ink) 18%, transparent);border-radius:var(--sv-radius-small);color:var(--sv-color-ink);background:var(--sv-color-surface);padding:8px 12px;font-size:10px;font-weight:800}.teaching-lab-controls{background:var(--sv-color-background);flex-direction:column;gap:13px;padding:20px;display:flex}.teaching-lab-controls dl{background:color-mix(in srgb, var(--sv-color-ink) 10%, transparent);gap:1px;margin:0;display:grid}.teaching-lab-controls dl div{background:var(--sv-color-surface);justify-content:space-between;padding:9px;display:flex}.teaching-lab-controls dt{color:var(--sv-color-ink-muted);font-size:9px}.teaching-lab-controls dd{color:var(--sv-color-ink);font-family:var(--sv-font-mono);margin:0;font-size:9px;font-weight:800}.teaching-lab-lod-actions{gap:7px;display:flex}.teaching-lab-measurements{border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:var(--sv-color-background);gap:7px;margin-top:auto;padding:13px;font-size:10px;display:grid}.teaching-lab-measurements strong{color:var(--sv-color-ink)}.teaching-lab-error{border-radius:var(--sv-radius-small);color:var(--sv-color-danger);background:var(--sv-color-background);justify-content:space-between;align-items:center;gap:14px;margin-top:12px;padding:12px;font-size:10px;display:flex}.session-hint{color:var(--sv-color-ink-muted);margin:14px 0 0;font-size:11px;line-height:1.6}.evaluation-workbench{border:1px solid color-mix(in srgb, var(--sv-color-ink) 16%, transparent);border-radius:var(--sv-radius-small);background:color-mix(in srgb, var(--sv-color-background) 86%, transparent);margin-top:0;padding:28px}.wb-progress-rail{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:22px 0 0;padding:0;list-style:none;display:grid}.wb-progress-rail li{border:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);border-radius:var(--sv-radius-small);color:var(--sv-color-ink-muted);background:var(--sv-color-surface-subtle);grid-template-columns:auto minmax(0,1fr);gap:2px 8px;padding:12px 14px;display:grid}.wb-progress-rail li>span{color:var(--sv-color-ink-muted);font:700 11px / 1.4 var(--sv-font-mono);grid-row:1/3}.wb-progress-rail strong{color:var(--sv-color-ink);font-size:12px}.wb-progress-rail small{font-size:10px}.wb-progress-rail li.current{border-color:var(--sv-color-teaching-accent);box-shadow:inset 0 0 0 1px var(--sv-color-teaching-accent);background:color-mix(in srgb, var(--sv-color-teaching-accent) 8%, var(--sv-color-surface))}.wb-progress-rail li.done>span:after{content:" · 已完成"}.wb-knowledge-status{border-left:3px solid var(--sv-color-teaching-accent);color:var(--sv-color-ink-muted);background:var(--sv-color-surface-subtle);grid-template-columns:auto minmax(0,1fr);gap:8px 14px;margin-top:14px;padding:12px 14px;font-size:11px;line-height:1.6;display:grid}.wb-knowledge-status strong{color:var(--sv-color-ink)}.wb-upload-stage{margin-top:18px;padding-top:18px}.wb-context-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px;margin-bottom:16px;display:grid}.wb-context-grid .field-label{align-self:end}.wb-context-grid input{grid-row:2}.wb-resume{border:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface-subtle);margin-top:18px;padding:12px 14px}.wb-resume summary{color:var(--sv-color-ink);cursor:pointer;font-size:12px;font-weight:700}.wb-resume-grid{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin-top:14px;display:grid}.wb-resume-grid .field-label{grid-column:1/-1}.wb-stage{border-top:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);margin-top:24px;padding-top:22px}.wb-stage-heading{align-items:center;gap:12px;margin-bottom:16px;display:flex}.wb-stage-heading h3{color:var(--sv-color-ink);font-family:var(--sv-font-sans);margin:0;font-size:17px;font-weight:600}.wb-stage-heading .state-pill{margin-left:auto}.wb-methods{border:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);gap:10px;margin:0 0 16px;padding:14px;display:grid}.wb-methods legend{color:var(--sv-color-ink-muted);padding:0 6px;font-size:11px;font-weight:700}.wb-methods label{align-items:center;gap:10px;display:flex}.wb-methods label span{gap:2px;display:grid}.wb-methods small{color:var(--sv-color-ink-muted);font-size:10px}.wb-report-list{gap:28px;display:grid}.wb-report-actions{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.wb-report-action-group{flex-wrap:wrap;gap:10px;display:flex}.wb-html-report-link{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.wb-report-actions .outline-button{width:auto;margin-top:0}.evaluation-report{border:1px solid color-mix(in srgb, var(--sv-color-ink) 13%, transparent);box-shadow:0 18px 48px color-mix(in srgb, var(--sv-color-ink) 8%, transparent);background:#f8f7f2;border-radius:18px;overflow:hidden}.report-hero{color:#f6f4ec;background:linear-gradient(135deg,#182d2a 0%,#244640 68%,#315d54 100%);justify-content:space-between;align-items:center;gap:24px;padding:28px 30px;display:flex}.report-hero h3{color:inherit;font-family:var(--sv-font-serif);margin:4px 0 6px;font-size:clamp(24px,4vw,38px);line-height:1.1}.report-hero p{color:#d7e4df;margin:0}.report-hero .projection-kicker{color:#d7a64a}.report-coverage-badge{text-align:center;background:#ffffff12;border:1px solid #fff3;border-radius:14px;min-width:128px;padding:16px;display:grid}.report-coverage-badge strong{font-family:var(--sv-font-mono);font-size:26px}.report-coverage-badge span{color:#cbd8d4;margin-top:2px;font-size:10px}.report-section{border-top:1px solid #182d2a1a;padding:26px 30px}.report-section-heading{align-items:flex-start;gap:12px;margin-bottom:18px;display:flex}.report-section-heading>span{color:#b67d24;font-family:var(--sv-font-mono);font-size:11px;font-weight:800}.report-section-heading h4{color:#18312d;margin:0;font-size:18px}.report-section-heading p{color:#667874;margin:3px 0 0;font-size:11px}.report-section-heading.compact{margin-bottom:14px}.report-metric-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;display:grid}.report-metric-grid>div{background:#fff;border-radius:12px;gap:5px;padding:15px 13px;display:grid}.report-metric-grid strong{color:#18312d;font-family:var(--sv-font-mono);font-size:19px}.report-metric-grid span{color:#6c7a77;font-size:10px}.report-chart-grid,.report-two-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;display:grid}.report-donut-wrap{align-items:center;gap:24px;display:flex}.report-donut{aspect-ratio:1;border-radius:50%;place-items:center;width:126px;display:grid}.report-donut:before{aspect-ratio:1;content:"";background:#f8f7f2;border-radius:50%;grid-area:1/1;width:78px}.report-donut span{z-index:1;color:#18312d;font:700 17px var(--sv-font-mono);grid-area:1/1}.report-legend{flex:1;gap:9px;margin:0;display:grid}.report-legend>div{justify-content:space-between;gap:18px;display:flex}.report-legend dt,.report-legend dd{margin:0;font-size:11px}.report-legend i{border-radius:50%;width:8px;height:8px;margin-right:7px;display:inline-block}.report-legend i.teacher,.report-timeline .teacher{background:var(--sv-color-teaching-accent)}.report-legend i.student,.report-timeline .student{background:#5f8f86}.report-legend i.unknown,.report-timeline .unknown{background:#c8cbc6}.report-timeline{align-items:end;gap:7px;height:156px;padding-top:8px;display:flex}.report-timeline button{color:#657570;cursor:pointer;background:0 0;border:0;flex:1;justify-content:center;align-items:end;gap:2px;height:100%;padding:0;display:flex}.report-timeline button>span{border-radius:3px 3px 0 0;width:34%;min-height:4px}.report-timeline small{font:9px var(--sv-font-mono);margin-top:8px;position:absolute;transform:translateY(18px)}.report-behavior-sequence{background:#fff;border:1px solid #1f3d381a;border-radius:12px;gap:10px;padding:16px;display:grid}.report-behavior-lane{grid-template-columns:58px minmax(0,1fr);align-items:center;gap:12px;display:grid}.report-behavior-lane>strong{color:#536560;font-size:10px}.report-behavior-lane>div{background:#eef1ef;border-radius:5px;height:18px;position:relative;overflow:hidden}.report-behavior-lane button{cursor:pointer;border:0;border-radius:2px;min-width:2px;height:12px;padding:0;position:absolute;top:3px}.report-behavior-lane.teacher button{background:var(--sv-color-teaching-accent)}.report-behavior-lane.student button{background:#5f8f86}.report-behavior-lane.unknown button{background:#aeb8b4}.report-behavior-lane button:hover,.report-behavior-lane button:focus-visible{outline-offset:1px;outline:2px solid #18312d}.report-question-list{gap:9px;margin:0;padding:0;list-style:none;display:grid}.report-question-list li{background:#fff;border-left:3px solid #d7a64a;grid-template-columns:70px minmax(0,1fr) auto;align-items:center;gap:14px;padding:13px 15px;display:grid}.report-question-list button,.report-approved-findings button{color:#a36610;font:700 10px var(--sv-font-mono);cursor:pointer;background:0 0;border:0}.report-question-list p{color:#253c38;margin:0;font-size:12px;line-height:1.55}.report-question-list li>div{color:#72807d;text-align:right;gap:3px;font-size:9px;display:grid}.report-phase-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.classroom-diagram-suite{gap:18px;margin-bottom:18px;display:grid}.classroom-diagram-scroll{background:linear-gradient(#f6f8f7eb,#f6f8f7eb),repeating-linear-gradient(0deg,#0000 0 23px,#3f776d12 23px 24px),repeating-linear-gradient(90deg,#0000 0 23px,#3f776d12 23px 24px);border:1px solid #1f3d381a;border-radius:14px;overflow:auto}.classroom-diagram-scroll:focus-visible{outline-offset:2px;outline:3px solid #9a661e52}.classroom-diagram-scroll.vertical{border-radius:0 0 14px 14px;max-height:580px}.classroom-lesson-diagram{width:100%;min-width:760px;height:190px;display:block}.classroom-lesson-diagram line,.classroom-lesson-diagram path,.classroom-diagram-edge path{fill:none;stroke:#8ca39e;stroke-width:1.5px}.classroom-diagram-edge text{fill:#8a672d;font:700 8px var(--sv-font-mono)}.classroom-diagram-node{cursor:pointer;outline:none}.classroom-diagram-node rect{fill:#fff;stroke:#b8c9c5;stroke-width:1.3px;transition:fill .14s,stroke .14s,transform .14s}.classroom-diagram-node:hover rect,.classroom-diagram-node:focus-visible rect,.classroom-diagram-scroll a:focus-visible .classroom-diagram-node rect{fill:#f8f3e8;stroke:#9a661e;stroke-width:2px}.classroom-diagram-node[data-emphasis=true] rect{fill:#e8f1ee;stroke:#3f776d}.classroom-diagram-node.response rect{fill:#edf4f2}.classroom-diagram-node.teacher_move rect{fill:#f8f3e8}.classroom-diagram-node[data-state=unanswered] rect,.classroom-diagram-node[data-state=uncertain] rect{fill:#f4f2ee;stroke-dasharray:4 3}.classroom-diagram-node text{pointer-events:none}.classroom-diagram-node .time{fill:#9a661e;font:700 8px var(--sv-font-mono)}.classroom-diagram-node .label{fill:#203a35;font:650 11px var(--sv-font-sans)}.classroom-diagram-node .detail{fill:#657570;font:500 7px var(--sv-font-sans)}.classroom-question-chain-suite{background:#fff;border:1px solid #1f3d381a;border-radius:14px;overflow:hidden}.classroom-diagram-tabs{background:#eef3f1;border-bottom:1px solid #1f3d3817;gap:6px;padding:10px 12px;display:flex;overflow-x:auto}.classroom-diagram-tabs button{color:#536560;font:650 10px var(--sv-font-sans);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;flex:none;padding:7px 10px}.classroom-diagram-tabs button[aria-selected=true]{color:#244c45;background:#fff;border-color:#3f776d38}.classroom-diagram-caption{justify-content:space-between;align-items:start;gap:20px;padding:16px 18px;display:flex}.classroom-diagram-caption h5{color:#203a35;font:650 16px / 1.35 var(--sv-font-serif);margin:0 0 4px}.classroom-diagram-caption p{color:#5c6e69;margin:0;font-size:11px;line-height:1.65}.classroom-diagram-caption strong{color:#315e56;font:700 10px var(--sv-font-mono);background:#edf3f1;border-radius:999px;flex:none;padding:5px 9px}.classroom-diagram-lanes{color:#697a76;font:700 8px var(--sv-font-mono);letter-spacing:.05em;text-align:center;background:#f7f8f7;grid-template-columns:repeat(4,1fr);padding:8px 18px;display:grid}.classroom-question-diagram svg{width:100%;min-width:800px;display:block}.classroom-diagram-evidence-list{display:none}.classroom-diagram-integrity{color:#70451f;background:#f8f3e8;border-left:3px solid #a06132;padding:14px 16px;font-size:11px}@media (width<=760px){.classroom-diagram-caption{display:grid}.classroom-diagram-lanes{min-width:800px}}@media (prefers-reduced-motion:reduce){.classroom-diagram-node rect{transition:none}}.report-phase-list li{border-left:3px solid var(--sv-color-teaching-accent);background:#fff;border-radius:0 10px 10px 0;grid-template-columns:128px minmax(0,1fr);gap:16px;padding:14px 16px;display:grid}.report-phase-list button,.report-topic-list button{color:#9a661e;text-align:left;font:700 10px var(--sv-font-mono);cursor:pointer;background:0 0;border:0;align-self:start;padding:0}.report-phase-list strong,.report-topic-list strong{color:#203a35;font-size:13px}.report-phase-list p,.report-topic-list p,.report-highlight-grid p{color:#5f706c;margin:5px 0 0;font-size:11px;line-height:1.65}.report-topic-list,.report-highlight-grid{gap:10px;display:grid}.report-topic-list article,.report-highlight-grid>button{text-align:left;background:#fff;border:1px solid #182d2a17;border-radius:10px;padding:14px}.report-competency-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.report-competency-grid article{background:linear-gradient(145deg,#fff,#f7faf8);border:1px solid #182d2a1a;border-radius:12px;padding:16px}.report-competency-grid article>div:first-child{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.report-competency-grid strong{color:#203a35;font-size:14px}.report-competency-grid span{color:#6d5430;background:#f4ead7;border-radius:999px;flex:none;padding:3px 7px;font-size:9px;font-weight:700}.report-competency-grid span[data-strength=student_expression]{color:#285d52;background:#e0f0eb}.report-competency-grid span[data-strength=uncertain]{color:#745a56;background:#f0e5e3}.report-competency-grid p{color:#5f706c;margin:8px 0 0;font-size:11px;line-height:1.65}.report-competency-grid .student-expression{color:#285d52}.report-competency-evidence{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.report-competency-evidence button{color:#9a661e;font:700 9px var(--sv-font-mono);cursor:pointer;background:#fffaf2;border:1px solid #9a661e38;border-radius:7px;padding:4px 7px}.report-frequency-chart{gap:9px;display:grid}.report-frequency-chart>div{color:#536560;grid-template-columns:74px minmax(0,1fr) 28px;align-items:center;gap:10px;font-size:10px;display:grid}.report-frequency-chart i{background:linear-gradient(90deg,#3f776d,#d0a04b);border-radius:999px;min-width:4px;height:9px;display:block}.report-question-list.semantic li{grid-template-columns:70px minmax(0,1fr);align-items:start}.report-question-chains{gap:18px;display:grid}.report-question-chain{background:#f6f8f7;border:1px solid #1f3d381a;border-radius:14px;overflow:hidden}.report-question-chain>header{background:linear-gradient(110deg,#e8f1ee,#f8f3e8);border-bottom:1px solid #1f3d3817;justify-content:space-between;align-items:start;gap:20px;padding:16px 18px;display:flex}.report-question-chain>header span{color:#8a672d;font:700 9px var(--sv-font-mono);letter-spacing:.08em;text-transform:uppercase}.report-question-chain>header h5{color:#203a35;font:650 16px / 1.35 var(--sv-font-serif);margin:4px 0}.report-question-chain>header p{color:#5c6e69;max-width:760px;margin:0;font-size:11px;line-height:1.65}.report-question-chain>header>strong{color:#315e56;font:700 10px var(--sv-font-mono);background:#ffffffb8;border-radius:999px;flex:none;padding:5px 9px}.report-question-chain .report-question-list{gap:1px}.report-question-chain .report-question-list li{border-left-width:2px}.report-question-list .report-question-body{text-align:left;gap:9px}.report-question-tags{flex-wrap:wrap;gap:5px;display:flex}.report-question-tags span{color:#49615c;background:#edf3f1;border-radius:999px;padding:3px 7px}.report-question-list .report-question-intent{color:#5b6e69}.report-question-list .report-exchange-line{text-align:left;background:#f3f7f5;border-radius:8px;gap:4px;width:100%;padding:9px 11px;display:grid}.report-question-list .report-exchange-line.teacher{color:#815b22;background:#fbf5e9}.report-exchange-line q{color:#314a45;font:400 11px / 1.55 var(--sv-font-sans)}.report-question-list .report-no-response{color:#785b2f;background:#fff8eb;border-left:2px solid #c68d37;padding:8px 10px}.report-highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.report-highlight-grid>button{color:#263f3a;cursor:pointer;gap:5px;display:grid}.report-highlight-grid>button>span,.report-highlight-grid small{color:#9a661e;font:700 9px var(--sv-font-mono)}.report-evidence-card{color:#253c38;text-align:left;cursor:pointer;background:#fff;border:1px solid #182d2a17;border-left-width:3px;border-radius:9px;grid-template-columns:60px 1fr;gap:12px;width:100%;margin-top:8px;padding:12px 14px;display:grid}.report-evidence-card.positive{border-left-color:#4f877b}.report-evidence-card.caution{border-left-color:#c58932}.report-evidence-card strong{font:700 10px var(--sv-font-mono)}.report-evidence-card span{font-size:11px;line-height:1.55}.report-approved-findings{gap:10px;display:grid}.report-approved-findings article{background:#fff;border-radius:12px;grid-template-columns:36px minmax(0,1fr) auto;align-items:start;gap:14px;padding:16px;display:grid}.report-approved-findings article>span{color:#b67d24;font:800 11px var(--sv-font-mono)}.report-approved-findings strong{color:#18312d;font-size:13px;line-height:1.6}.report-approved-findings p{color:#64736f;margin:6px 0 0;font-size:11px;line-height:1.65}.report-finding-evidence{gap:6px;min-width:min(280px,32vw);display:grid}.report-finding-evidence button{text-align:left;gap:3px;max-width:320px;display:grid}.report-finding-evidence button span{color:#8b641f;font:700 10px var(--sv-font-mono)}.report-finding-evidence q{color:#4d615c;text-overflow:ellipsis;white-space:nowrap;font-size:10px;line-height:1.45;overflow:hidden}.report-limitations{background:#efece3}.report-limitations ul{color:#5e6c68;margin:0 0 16px 16px;padding:0;font-size:11px;line-height:1.8}.report-limitations dl{grid-template-columns:repeat(2,1fr);gap:8px 20px;margin:0;display:grid}.report-limitations dl>div{grid-template-columns:82px minmax(0,1fr);gap:8px;display:grid}.report-limitations dt{color:#6d7b77;font-size:10px}.report-limitations dd{overflow-wrap:anywhere;color:#253c38;font:9px / 1.5 var(--sv-font-mono);margin:0}.report-source-note{color:#7a8783;margin:0;padding:12px 30px 20px;font-size:9px}@media (width<=900px){.report-metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.report-chart-grid,.report-two-columns,.report-competency-grid{grid-template-columns:1fr}.report-question-list li{grid-template-columns:58px minmax(0,1fr)}.report-question-list li>div{text-align:left;grid-column:2}.report-highlight-grid{grid-template-columns:1fr}}@media (width<=620px){.report-phase-list li{grid-template-columns:1fr}.report-hero{flex-direction:column;align-items:flex-start}.report-coverage-badge{width:100%}.report-section,.report-hero{padding:22px 18px}.report-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.report-approved-findings article{grid-template-columns:26px minmax(0,1fr)}.report-approved-findings button{grid-column:2;justify-self:start}.report-finding-evidence{grid-column:2;min-width:0}.report-finding-evidence button{grid-column:auto}.report-limitations dl{grid-template-columns:1fr}}.wb-upload-row{grid-template-columns:minmax(0,1fr) 220px;align-items:end;gap:12px;display:grid}.wb-upload-row .field-label{grid-column:1/-1;margin-bottom:-4px}.wb-upload-row .primary-button{width:100%}.wb-file-meta{color:var(--sv-color-ink-muted);margin:10px 0 0;font-size:11px}.wb-progress{border-radius:var(--sv-radius-small);background:var(--sv-color-background);height:6px;margin-top:14px;overflow:hidden}.wb-progress i{background:var(--sv-color-teaching-accent);height:100%;transition:width var(--sv-motion-fast) ease;display:block}.evaluation-workbench audio{width:100%;margin-top:16px}.wb-attempt{color:var(--sv-color-ink-muted);align-items:center;gap:8px;margin:14px 0 0;font-size:11px;display:flex}.wb-attempt-failed{color:var(--sv-color-danger)}.wb-dot-busy{background:var(--sv-color-teaching-accent)}.wb-revision-bar{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end;gap:12px;margin-bottom:16px;display:grid}.wb-revision-bar .field-label{grid-column:1/-1;margin-bottom:-4px}.wb-revision-bar select{border:1px solid color-mix(in srgb, var(--sv-color-ink) 17%, transparent);border-radius:var(--sv-radius-small);height:43px;color:var(--sv-color-ink);background:var(--sv-color-surface);font:inherit;padding:0 13px;font-size:12px}.wb-revision-bar .hash-box{padding:10px 12px}.wb-revision-bar .hash-box span{margin-bottom:3px}.wb-segments{gap:10px;max-height:460px;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.wb-segments li{border:1px solid color-mix(in srgb, var(--sv-color-ink) 10%, transparent);border-left:3px solid color-mix(in srgb, var(--sv-color-ink) 22%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-surface);padding:12px 14px}.wb-segments li.wb-segment-flagged{border-left-color:var(--sv-color-teaching-accent)}.wb-segment-meta{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}.wb-segment-meta button{border:1px solid color-mix(in srgb, var(--sv-color-ink) 16%, transparent);border-radius:var(--sv-radius-small);color:var(--sv-color-teaching-accent);background:var(--sv-color-background);font-family:var(--sv-font-mono);padding:4px 8px;font-size:10px}.wb-role{color:var(--sv-color-ink);font-size:11px;font-weight:700}.wb-flag{border-radius:var(--sv-radius-small);color:var(--sv-color-danger);background:color-mix(in srgb, var(--sv-color-danger) 8%, var(--sv-color-surface));padding:3px 7px;font-size:9px;font-weight:700}.wb-segments textarea{min-height:0;padding:10px 12px;font-size:13px;line-height:1.6}.wb-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px;display:grid}.wb-actions .outline-button{margin-top:0}.wb-danger{border-color:var(--sv-color-danger);color:var(--sv-color-danger)}.wb-diff{border:1px dashed color-mix(in srgb, var(--sv-color-ink) 20%, transparent);border-radius:var(--sv-radius-small);background:var(--sv-color-background);gap:8px;margin-top:14px;padding:14px;font-size:12px;display:grid}.wb-diff p{color:var(--sv-color-ink-muted);margin:0}.wb-diff-row{gap:4px;display:grid}.wb-diff-row span{color:var(--sv-color-ink-muted);font-size:9px;font-weight:800}.wb-diff-row del{color:var(--sv-color-danger);text-decoration-thickness:1px}.wb-diff-row ins{color:var(--sv-color-success);text-decoration:none}.wb-hint{color:var(--sv-color-ink-muted);margin:14px 0 0;font-size:11px;line-height:1.7}.wb-run-stages{border:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent);border-radius:var(--sv-radius-small);background:color-mix(in srgb, var(--sv-color-ink) 12%, transparent);grid-template-columns:repeat(4,1fr);gap:1px;margin:0 0 16px;padding:0;list-style:none;display:grid;overflow:hidden}.wb-run-stages li{color:var(--sv-color-ink-muted);background:var(--sv-color-surface);text-align:center;padding:10px 8px;font-size:10px;font-weight:700}.wb-run-stages li.wb-run-stage-active{color:var(--sv-color-brand-contrast);background:var(--sv-color-teaching-accent)}.wb-finding-decision{border:1px solid color-mix(in srgb, var(--sv-color-ink) 14%, transparent);border-radius:var(--sv-radius-small);gap:18px;margin:14px 0 0;padding:10px 12px;display:flex}.wb-finding-decision legend{color:var(--sv-color-ink-muted);padding:0 6px;font-size:9px;font-weight:800}.wb-finding-decision label{color:var(--sv-color-ink);align-items:center;gap:6px;font-size:12px;display:flex}.wb-finding-decision input{width:auto;height:auto}.wb-status{border-left:3px solid var(--sv-color-teaching-accent);background:var(--sv-color-background);margin-top:22px;padding:14px 16px}.wb-status strong{color:var(--sv-color-ink);font-size:11px}.wb-status p{color:var(--sv-color-ink-muted);margin:4px 0 0;font-size:12px}.wb-status-error{border-left-color:var(--sv-color-danger)}.wb-status-error strong,.wb-status-error p{color:var(--sv-color-danger)}@media (width<=900px){.studio-shell{padding:0 20px 36px}.studio-header{height:auto;padding-block:var(--sv-space-3);row-gap:var(--sv-space-2);grid-template-columns:1fr auto}.workspace-chip{grid-column:1/-1;justify-self:stretch}.hero{grid-template-columns:1fr}.hero-note{min-height:0}.workflow-grid,.wb-upload-row,.wb-revision-bar,.wb-actions,.wb-run-stages{grid-template-columns:1fr}.wb-run-stages li{text-align:left}.projection-fields,.teaching-lab-grid{grid-template-columns:1fr}.teaching-lab-stage{border-right:0;border-bottom:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent)}}@media (width<=560px){.studio-shell{padding:0 12px 24px}.hero{padding-top:32px}.hero h1{font-size:38px}.stepper{grid-template-columns:repeat(2,1fr)}.work-card{min-height:0;padding:20px}.card-heading{grid-template-columns:auto 1fr}.state-pill{grid-column:1/-1;justify-self:start}.status-banner{grid-template-columns:auto 1fr}.status-banner code{overflow-wrap:anywhere;grid-column:1/-1}.projection-lab{padding:18px}.projection-heading,.canvas-contract-proof,.teaching-lab-heading,.teaching-lab-error{flex-direction:column;align-items:stretch}.projection-switch button{flex:1}.teaching-lab{padding:18px}}@media (forced-colors:active){.work-card,.evaluation-report,.evaluation-workbench,.projection-lab,.teaching-lab,.status-banner,.canvas-node{border:1px solid canvastext}.step-active i,.presence-dot,.status-banner>span{forced-color-adjust:none;color:canvas;background:canvastext}}.wb-dialog-backdrop{z-index:60;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0f172a94;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.wb-dialog{border:1px solid color-mix(in srgb, var(--line,#cbd5e1) 82%, transparent);background:var(--surface,#fff);border-radius:22px;width:min(620px,100%);max-height:calc(100vh - 48px);padding:24px;overflow:auto;box-shadow:0 30px 80px #0f172a47}.wb-dialog p{line-height:1.7}.wb-deletion-counts{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0;display:grid}.wb-deletion-counts div{border:1px solid var(--line,#e2e8f0);background:var(--surface-soft,#f8fafc);border-radius:14px;padding:14px 16px}.wb-deletion-counts dt{color:var(--muted,#64748b);font-size:12px}.wb-deletion-counts dd{margin:6px 0 0;font-size:24px;font-weight:760}.wb-safe-retention{color:#115e59;background:#0f766e14;border-left:3px solid #0f766e;padding:12px 14px}.wb-delete-blocker{color:#92400e;background:#b4530914;border-left:3px solid #b45309;padding:12px 14px}.wb-danger-solid{color:#fff;background:#b42318}.wb-danger-solid:hover:not(:disabled){background:#912018}.wb-impact-hash{color:var(--muted,#64748b);margin-top:14px;font-size:11px;display:block}@media (width<=600px){.wb-dialog-backdrop{align-items:end;padding:0}.wb-dialog{border-radius:22px 22px 0 0;max-height:88vh}.wb-deletion-counts{grid-template-columns:1fr}}.studio-shell{width:100%;margin:0;padding:0}.studio-app-layout{grid-template-columns:248px minmax(0,1fr);gap:32px;width:min(1440px,100%);margin:0 auto;padding:28px 42px 48px;display:grid}.studio-app-layout-single{grid-template-columns:minmax(0,1fr);gap:0;width:min(1180px,100%);padding-top:20px}.studio-app-layout>.sv-product-sidebar{align-self:start;position:sticky;top:84px}.studio-content{min-width:0}.studio-product-intro{border:1px solid color-mix(in srgb, var(--sv-color-ink) 12%, transparent);border-radius:var(--sv-radius-large);background:var(--sv-color-surface);grid-template-columns:minmax(0,1fr) minmax(220px,320px);align-items:center;gap:28px;margin-bottom:16px;padding:20px 24px;display:grid}.studio-product-intro p,.studio-product-intro h1,.studio-product-intro span{margin:0}.studio-product-intro p{color:var(--sv-color-teaching-accent);margin-bottom:8px;font-size:12px;font-weight:760}.studio-product-intro h1{letter-spacing:-.035em;font-size:clamp(28px,4vw,36px);font-weight:650;line-height:1.16}.studio-product-intro>div>span{color:var(--sv-color-ink-muted);margin-top:10px;font-size:14px;line-height:1.65;display:block}.studio-product-intro aside{border-left:3px solid var(--sv-color-teaching-accent);background:var(--sv-color-surface-subtle);gap:5px;padding:16px 18px;display:grid}.studio-product-intro aside small,.studio-product-intro aside span{color:var(--sv-color-ink-muted);font-size:11px}.studio-product-intro aside strong{font-size:14px}.card-heading p,.report-heading p{letter-spacing:0}.report-technical-details{margin-top:12px}.report-technical-details summary{width:fit-content;color:var(--sv-color-ink-muted);cursor:pointer;font-size:11px;font-weight:700}.status-banner{grid-template-columns:auto 1fr}@media (width<=960px){.studio-app-layout{grid-template-columns:1fr;gap:20px;padding:20px 24px 36px}.studio-app-layout>.sv-product-sidebar{position:static}.wb-progress-rail{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=600px){.studio-app-layout{padding:16px 12px 24px}.studio-product-intro{grid-template-columns:1fr;padding:20px}.evaluation-workbench{padding:20px 16px}.wb-progress-rail,.wb-context-grid{grid-template-columns:1fr}.wb-context-grid input{grid-row:auto}.wb-knowledge-status,.wb-resume-grid{grid-template-columns:1fr}.wb-resume-grid .field-label{grid-column:auto}.wb-report-action-group,.wb-report-action-group>*{width:100%}}
