@import "https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Noto+Sans+TC:wght@400;500;700&display=swap";:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#fafaf9;--surface:#fff;--surface-low:#f5f5f4;--surface-muted:#e7e5e4;--surface-dark:#1c1917;--text:#1c1917;--text-soft:#78716c;--line-soft:#e7e5e4;--primary:#ea580c;--primary-strong:#f97316;--primary-soft:#f9731614;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--shadow-soft:0px 10px 30px #2d2f2f0f;--shadow-float:0px 12px 32px #2d2f2f14;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-pill:999px;background:var(--background);color:var(--text);font-family:Noto Sans TC,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--background);color:var(--text)}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{grid-template-rows:4rem minmax(0,1fr);grid-template-columns:16rem minmax(0,1fr);min-height:100vh;display:grid}.topbar{z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow-soft);background:#fffc;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 1.5rem;display:flex;position:sticky;top:0}.brand-wrap,.topbar-actions,.topnav{align-items:center;display:flex}.brand-wrap{gap:2rem}.brand{background:linear-gradient(135deg,#9a3412,#f97316);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-family:Manrope,Noto Sans TC,sans-serif;font-size:1.15rem;font-weight:800}.topnav{gap:1.5rem}.topnav-link{color:var(--text-soft);letter-spacing:.02em;padding-bottom:.35rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem;font-weight:500;transition:color .18s}.topnav-link:hover{color:var(--primary-strong)}.topnav-link.is-active{color:var(--primary);border-bottom:2px solid var(--primary-strong);font-weight:700}.topbar-actions{gap:.75rem}.icon-button,.ghost-button,.secondary-button,.cta-button,.link-button{cursor:pointer;border:0;transition:transform .18s,background-color .18s,color .18s,box-shadow .18s}.icon-button,.ghost-button{border-radius:var(--radius-md);width:2.25rem;height:2.25rem;color:var(--text-soft);background:0 0;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover,.ghost-button:hover{background:var(--surface-low)}.icon-button:active,.ghost-button:active{transform:scale(.95)}.avatar{border-radius:var(--radius-pill);width:2rem;height:2rem;color:var(--primary);background:#f973161f;place-items:center;font-size:.75rem;font-weight:700;display:grid}.sidebar{background:var(--surface-low);border-right:1px solid var(--line-soft);flex-direction:column;gap:1.5rem;height:calc(100vh - 4rem);padding:1.5rem 1rem;display:flex;position:sticky;top:4rem}.lab-card{align-items:center;gap:.75rem;padding:.5rem;display:flex}.lab-badge{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg, var(--primary), var(--primary-strong));place-items:center;width:2.5rem;height:2.5rem;font-weight:800;display:grid}.lab-title{color:var(--text);margin:0;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem;font-weight:700}.lab-subtitle{color:var(--text-soft);margin:.12rem 0 0;font-size:.72rem}.sidenav{gap:.25rem;display:grid}.sidenav-link{border-radius:var(--radius-md);color:var(--text-soft);align-items:center;gap:.75rem;padding:.75rem 1rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem;font-weight:500;transition:transform .18s,color .18s;display:flex}.sidenav-link:hover{color:var(--primary-strong);transform:translate(2px)}.sidenav-link.is-active{background:var(--surface);color:var(--primary);font-weight:700;box-shadow:0 1px 3px #0000000f}.cta-button,.secondary-button{border-radius:var(--radius-md);padding:.75rem 1.25rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem;font-weight:700}.cta-button{color:#fff;background:var(--primary);box-shadow:0 4px 12px #ea580c33}.cta-button:hover{background:#c2410c}.cta-button:active,.secondary-button:active{transform:scale(.95)}.secondary-button{background:var(--surface-low);color:var(--text);border:1px solid var(--line-soft)}.secondary-button:hover{background:var(--surface-muted)}.cta-button--sidebar{margin-top:auto}.workspace{padding:2rem}.workspace-heading{margin-bottom:1.5rem}.workspace-heading h1{letter-spacing:-.02em;margin:.3rem 0 .65rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:clamp(1.8rem,2vw + 1rem,2.8rem);font-weight:800;line-height:1.1}.workspace-heading p,.submission-hero p,.review-summary{max-width:52rem;color:var(--text-soft);line-height:1.7}.eyebrow,.signal-chip,.status-pill{border-radius:var(--radius-pill);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:.4rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.7rem;font-weight:700;display:inline-flex}.eyebrow{color:var(--primary);margin:0}.signal-chip,.status-pill{color:var(--primary);background:var(--primary-soft);border:1px solid #f973161f;padding:.35rem .75rem}.page-grid,.dashboard-layout,.review-layout{gap:1.5rem;display:grid}.page-grid--student,.review-layout{grid-template-columns:minmax(0,1.7fr) minmax(18rem,24rem)}.panel,.metric-card,.promo-card,.footer-strip,.input-card,.stat-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line-soft)}.panel,.input-card,.footer-strip{padding:1.5rem}.panel--nested,.panel--muted{background:var(--surface-low);border-color:#0000}.panel--main{box-shadow:none;background:0 0;border:none;padding:0}.panel-header{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.panel-action-group{align-items:center;gap:.5rem;display:flex}.demo-switches{flex-wrap:wrap;gap:.5rem;display:flex}.demo-switch{border:1px solid var(--line-soft);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-soft);cursor:pointer;padding:.55rem .85rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.82rem;font-weight:600;transition:all .18s}.demo-switch.is-active{color:#fff;background:var(--primary);border-color:var(--primary)}.upload-controls{gap:.75rem;display:grid}.upload-controls input[type=file]{border-radius:var(--radius-md);background:var(--surface-low);border:1px solid var(--line-soft);width:100%;padding:.75rem 1rem}.helper-text{color:var(--text-soft);margin:0;font-size:.82rem;line-height:1.6}.panel-header h3,.panel h3,.footer-strip h3,.submission-hero h2,.review-layout h2,.promo-card h3{margin:0;font-family:Manrope,Noto Sans TC,sans-serif;line-height:1.2}.submission-hero{margin-bottom:1.25rem}.submission-hero--workflow{grid-template-columns:minmax(0,1.35fr) minmax(16rem,21rem);align-items:start;gap:1rem;display:grid}.submission-hero--table{grid-template-columns:minmax(0,1.55fr) minmax(16rem,21rem);align-items:start;gap:1rem;display:grid}.submission-hero h2,.review-layout h2{letter-spacing:-.02em;font-size:clamp(1.6rem,1.2rem + 1.5vw,2.4rem);font-weight:800}.hero-summary-card,.workbench-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line-soft)}.hero-summary-card{gap:.55rem;padding:1.25rem 1.5rem;display:grid}.hero-summary-card strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:1.1rem;line-height:1.2}.hero-summary-card p{color:var(--text-soft);margin:0;font-size:.88rem}.workflow-stepper{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin-bottom:1rem;display:grid}.workflow-step{border:1px solid var(--line-soft);border-radius:var(--radius-md);text-align:left;background:var(--surface-low);cursor:pointer;align-items:flex-start;gap:.75rem;padding:.85rem 1rem;transition:all .18s;display:flex}.workflow-step:hover{background:var(--surface);border-color:#d6d3d1}.workflow-step--current{background:var(--surface);border-color:var(--primary-strong);box-shadow:0 0 0 1px #f9731626}.workflow-step--complete{background:#16a34a0a;border-color:#16a34a33}.workflow-step--ready{background:var(--primary-soft);border-color:#f9731633}.workflow-step-index{border-radius:var(--radius-pill);min-width:2rem;min-height:2rem;color:var(--primary);background:var(--primary-soft);place-items:center;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.82rem;font-weight:800;display:grid}.workflow-step-copy{gap:.15rem;display:grid}.workflow-step-copy strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem}.workflow-step-copy p{color:var(--text-soft);margin:0;font-size:.78rem;line-height:1.5}.error-banner--workspace{margin-bottom:1rem}.workflow-surface{grid-template-columns:minmax(0,1.25fr) minmax(20rem,.85fr);gap:1rem;display:grid}.workflow-surface-main,.workflow-surface-side{align-self:start;gap:1rem;display:grid}.workbench-card{padding:1.5rem}.workbench-card--soft{background:var(--surface-low);border-color:#0000}.composer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.composer-grid--support{grid-template-columns:minmax(0,1.2fr) minmax(13rem,.8fr)}.composer-block{border-radius:var(--radius-sm);background:var(--surface-low);border:1px solid #0000;gap:.75rem;padding:1rem;display:grid}.composer-block--compact{align-content:start}.source-flow-list{gap:.6rem;display:grid}.source-flow-item{border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line-soft);grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:.75rem;padding:.85rem 1rem;transition:background .18s;display:grid}.source-flow-item:hover{background:var(--surface-low)}.source-flow-order{border-radius:var(--radius-sm);min-width:2rem;min-height:2rem;color:var(--primary);background:var(--primary-soft);place-items:center;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.78rem;font-weight:800;display:grid}.source-flow-body{gap:.25rem;min-width:0;display:grid}.source-flow-body strong{word-break:break-word;font-size:.88rem;display:block}.source-flow-body p{color:var(--text-soft);margin:0;font-size:.82rem;line-height:1.55}.source-flow-header,.source-flow-tags,.tab-switches,.workbench-inline-actions,.submit-action-bar{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.source-flow-header{justify-content:space-between}.source-flow-tags{justify-content:flex-end}.mini-pill,.tab-switch{border-radius:var(--radius-pill);font-family:Manrope,Noto Sans TC,sans-serif;font-size:.7rem;font-weight:700}.mini-pill{color:var(--primary);background:var(--primary-soft);padding:.25rem .55rem}.tab-switch{border:1px solid var(--line-soft);color:var(--text-soft);background:var(--surface);cursor:pointer;padding:.45rem .75rem;transition:all .18s}.tab-switch.is-active{color:#fff;background:var(--primary);border-color:var(--primary)}.submit-readiness{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;display:grid}.readiness-item{border-radius:var(--radius-sm);background:var(--surface-low);border:1px solid #0000;padding:.85rem 1rem}.readiness-item.is-ready{background:#16a34a0a;border-color:#16a34a33}.readiness-item strong{margin-bottom:.25rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem;display:block}.readiness-item p{color:var(--text-soft);margin:0;font-size:.82rem;line-height:1.55}.submit-action-bar{margin-top:1rem}.input-card{gap:1rem;margin-bottom:1.5rem;display:grid}.input-label{font-size:.88rem;font-weight:700}.input-row{gap:.75rem;display:flex}.input-row input,.feedback-box,.grade-row input{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--surface-low);width:100%;color:var(--text);outline:2px solid #0000;padding:.85rem 1rem;transition:border-color .18s,outline-color .18s}.input-row input:focus,.feedback-box:focus,.grade-row input:focus{border-color:var(--primary-strong);outline-color:#f9731626}.error-banner{border-radius:var(--radius-md);color:var(--danger);background:#dc26260f;border:1px solid #dc26261f;padding:.85rem 1rem;font-size:.88rem}.conversation-stream{gap:1rem;display:grid}.bubble{border-radius:var(--radius-lg);background:var(--surface-low);border:1px solid var(--line-soft);max-width:90%;padding:1.25rem 1.35rem;line-height:1.7}.bubble h4{color:var(--primary);margin:0 0 .55rem;font-family:Manrope,Noto Sans TC,sans-serif}.bubble--student{background:var(--surface-low);border-top-left-radius:3px}.bubble--assistant{background:var(--surface);box-shadow:var(--shadow-soft);border-color:#f9731626;border-top-right-radius:3px;margin-left:auto}.bubble-label{color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.35rem;font-size:.72rem;font-weight:700;display:block}.footer-strip{justify-content:space-between;align-items:center;gap:1rem;margin-top:1.5rem;display:flex}.footer-strip p{color:var(--text-soft)}.footer-actions,.grade-row{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.page-sidebar{align-self:start;gap:1rem;display:grid}.metric-card{padding:1.5rem}.metric-card--accent{color:#fff;background:var(--surface-dark);box-shadow:var(--shadow-float);border-color:#0000;position:relative;overflow:hidden}.metric-card--accent:before{content:"";filter:blur(40px);background:#f973161a;border-radius:50%;width:8rem;height:8rem;position:absolute;top:0;right:0;transform:translate(2rem,-2rem)}.metric-card p,.metric-grid span,.queue-item p,.tip-list,.stat-card p,.dashboard-table p{color:inherit;margin:0;font-size:.82rem}.metric-main{align-items:baseline;gap:.5rem;margin:.65rem 0 .85rem;display:flex}.metric-main strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:2.2rem;font-weight:800}.progress-track{border-radius:var(--radius-pill);background:#ffffff1f;height:.4rem;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--primary-strong);height:100%;display:block;box-shadow:0 0 8px #f9731666}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin-top:.85rem;display:grid}.metric-grid article,.tag-item,.queue-item,.stat-card,.alert-card{border-radius:var(--radius-sm);padding:.85rem}.metric-grid article,.tag-item,.queue-item{background:#ffffff14}.metric-grid article strong,.tag-item strong,.queue-item strong,.stat-card strong,.grade-row input{font-family:Manrope,Noto Sans TC,sans-serif}.queue-list,.tip-list,.alert-stack,.tag-list,.event-log,.preview-grid{gap:.6rem;display:grid}.preview-grid{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}.preview-card{border-radius:var(--radius-md);background:var(--surface-low);border:1px solid var(--line-soft);gap:.5rem;padding:1rem;display:grid}.preview-card strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem}.preview-card p{color:var(--text-soft);margin:0;font-size:.82rem}.preview-media{aspect-ratio:4/5;border:1px solid var(--line-soft);border-radius:var(--radius-sm);object-fit:contain;background:var(--surface);width:100%}.submission-main-grid{grid-template-columns:minmax(0,1.8fr) minmax(19rem,.9fr);gap:1rem;display:grid}.submission-table-panel{align-self:start;gap:1rem;display:grid}.submission-table-wrap{border-radius:var(--radius-md);border:1px solid var(--line-soft);overflow-x:auto}.submission-table{border-collapse:collapse;background:var(--surface);width:100%}.submission-table th,.submission-table td{border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top;padding:.9rem 1rem}.submission-table th{background:var(--surface-low);color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;font-size:.72rem;font-weight:700}.submission-link-input,.submission-select{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--surface-low);width:100%;min-height:2.8rem;color:var(--text);padding:.7rem .85rem}.submission-select{appearance:none}.submission-link-input::placeholder{color:var(--text-soft,#aaa);opacity:.6}.submission-link-input:focus,.submission-select:focus{border-color:var(--primary-strong);outline-offset:1px;outline:2px solid #f9731626}.fetch-spinner{border:2px solid #f0d8c0;border-top-color:#e8713a;border-radius:50%;flex-shrink:0;width:16px;height:16px;animation:.8s linear infinite fetch-spin;display:inline-block}@keyframes fetch-spin{to{transform:rotate(360deg)}}.verification-cell{align-items:center;gap:.5rem;font-weight:700;display:inline-flex}.verification-indicator{width:1.6rem;height:1.6rem;color:var(--text-soft);background:var(--surface-low);border:1px solid var(--line-soft);border-radius:999px;place-items:center;display:inline-grid}.verification-indicator--passed{color:#fff;background:var(--success);border-color:#0000}.verification-message{color:var(--text-soft);margin:0;font-size:.82rem;line-height:1.55}.support-panel{border-radius:var(--radius-md);background:linear-gradient(#f973160f,#ffffffe6);border:1px solid #f9731624;padding:1rem}.dialog-backdrop{z-index:30;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#1c191773;place-items:center;padding:1.5rem;display:grid;position:fixed;inset:0}.preview-dialog{border-radius:var(--radius-lg);background:var(--surface);width:min(56rem,100%);max-height:min(80vh,52rem);box-shadow:var(--shadow-float);border:1px solid #ffffffb3;grid-template-rows:auto minmax(0,1fr);gap:1rem;padding:1.25rem;display:grid}.dialog-header{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.dialog-content{border-radius:var(--radius-md);background:var(--surface-low);color:var(--text);white-space:pre-wrap;word-break:break-word;margin:0;padding:1rem;font-family:Noto Sans TC,sans-serif;font-size:.9rem;line-height:1.75;overflow:auto}.event-item,.empty-state{border-radius:var(--radius-md);background:var(--surface-low);border:1px solid #0000;padding:.85rem 1rem}.event-item strong,.empty-state strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:.88rem}.event-item p,.empty-state p{color:var(--text-soft);margin:.25rem 0 0;font-size:.82rem}.queue-item,.tag-item{background:var(--surface);border:1px solid var(--line-soft);justify-content:space-between;align-items:center;gap:1rem;display:flex}.queue-item--stacked{align-items:flex-start}.queue-actions{flex-wrap:wrap;gap:.25rem;display:flex}.tip-list{color:var(--text-soft);padding-left:1rem;font-size:.82rem;line-height:1.7}.tip-list--boxed{padding-left:0}.tip-list--boxed>div{border-radius:var(--radius-md);background:var(--surface-low);color:var(--text-soft);padding:.65rem .85rem;font-size:.82rem}.dashboard-layout{gap:1.25rem}.stat-grid,.insight-grid{gap:1rem;display:grid}.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-card{background:var(--surface-low);min-height:9rem;padding:1.25rem;position:relative;overflow:hidden}.stat-card:before{content:"";background:#f973160d;border-radius:0 0 0 100%;width:6rem;height:6rem;position:absolute;top:0;right:0;transform:translate(2rem,-2rem)}.stat-card strong{color:var(--primary);margin:.5rem 0;font-size:2.2rem;font-weight:800;display:block}.stat-card span{color:var(--success);font-size:.82rem}.stat-card--list ul{gap:.4rem;margin:.75rem 0 0;padding:0;list-style:none;display:grid}.stat-card--list li{justify-content:space-between;font-size:.82rem;display:flex}.table-wrap{overflow-x:auto}.dashboard-table{border-collapse:collapse;width:100%}.dashboard-table th,.dashboard-table td{border-bottom:1px solid var(--line-soft);text-align:left;padding:.85rem}.dashboard-table th{color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;font-size:.72rem;font-weight:700}.table-badge{border-radius:var(--radius-pill);padding:.3rem .65rem;font-size:.7rem;font-weight:700;display:inline-flex}.table-badge--success{color:var(--success);background:#16a34a14;border:1px solid #16a34a26}.table-badge--warning{color:var(--warning);background:#d9770614;border:1px solid #d9770626}.table-badge--danger{color:var(--danger);background:#dc26260f;border:1px solid #dc26261f}.link-button{color:var(--primary);background:0 0;padding:0;font-size:.82rem;font-weight:700}.link-button:hover{text-decoration:underline}.insight-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.alert-card--danger{background:#dc26260a;border:1px solid #dc26261a}.alert-card--warning{background:#d977060a;border:1px solid #d977061a}.promo-card{color:#fff;background:var(--primary);border-color:#0000;padding:1.75rem;position:relative;overflow:hidden}.promo-card:before{content:"";filter:blur(40px);background:#ffffff14;border-radius:50%;width:16rem;height:16rem;position:absolute;top:0;right:0;transform:translate(5rem,-5rem)}.promo-card p{opacity:.7;text-transform:uppercase;letter-spacing:.06em;margin:0 0 .75rem;font-size:.72rem}.review-meta{color:var(--text-soft);align-items:center;gap:.75rem;margin-bottom:1rem;font-size:.88rem;display:flex}.conversation-stream--review{margin-top:1.5rem}.review-layout-v2{grid-template-columns:minmax(20rem,1.2fr) minmax(0,2fr);gap:1.5rem;min-height:calc(100vh - 8rem);display:grid}.source-panel{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--line-soft);flex-direction:column;align-self:start;gap:.75rem;max-height:calc(100vh - 6rem);padding:1.25rem;display:flex;position:sticky;top:1rem;overflow-y:auto}.source-panel__header{flex-direction:column;gap:.5rem;display:flex}.source-panel__selector{flex-direction:column;gap:.35rem;display:flex}.source-panel__selector select{width:100%}.source-panel__metrics{grid-template-columns:repeat(3,1fr);gap:.5rem;display:grid}.metric-mini{text-align:center;background:var(--surface-low);border-radius:var(--radius-sm);padding:.5rem .25rem}.metric-mini span{color:var(--text-soft);text-transform:uppercase;letter-spacing:.04em;font-size:.68rem;display:block}.metric-mini strong{font-family:Manrope,Noto Sans TC,sans-serif;font-size:1.1rem}.source-panel__title{color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;margin:.5rem 0 0;font-size:.78rem;font-weight:700}.source-list{flex-direction:column;gap:2px;display:flex}.source-list__row{align-items:center;gap:4px;display:flex}.source-list__row .source-list__item{flex:1;min-width:0}.source-list__download{border-radius:var(--radius-sm);width:2rem;height:2rem;color:var(--primary);background:var(--primary-soft);flex-shrink:0;justify-content:center;align-items:center;font-size:.6rem;font-weight:800;text-decoration:none;transition:background .15s,color .15s;display:flex}.source-list__download:hover{background:var(--primary);color:#fff}.source-list__item{border-radius:var(--radius-sm);background:var(--surface-low);cursor:pointer;text-align:left;border:1px solid #0000;align-items:center;gap:.6rem;padding:.6rem .75rem;transition:background .15s,border-color .15s;display:flex}.source-list__item:hover{background:var(--surface-muted)}.source-list__item--active{background:var(--primary-soft);border-color:var(--primary)}.source-list__icon{color:#fff;background:var(--primary);border-radius:var(--radius-sm);letter-spacing:.02em;flex-shrink:0;justify-content:center;align-items:center;width:2.2rem;height:2.2rem;font-size:.65rem;font-weight:800;display:flex}.source-list__label{flex-direction:column;gap:.1rem;min-width:0;display:flex}.source-list__name{white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:600;overflow:hidden}.source-list__meta{color:var(--text-soft);font-size:.7rem}.tag-list--compact{flex-wrap:wrap;gap:.35rem;display:flex}.tag-chip{background:var(--surface-low);border-radius:var(--radius-pill);border:1px solid var(--line-soft);align-items:center;gap:.3rem;padding:.2rem .6rem;font-size:.72rem;display:inline-flex}.tag-chip strong{color:var(--primary)}.source-panel__scoring{margin-top:.5rem}.source-panel__scoring summary{cursor:pointer;color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;padding:.35rem 0;font-size:.78rem;font-weight:700}.source-panel__scoring .upload-controls{gap:.5rem}.grade-label{color:var(--text-soft);flex-direction:column;align-items:center;gap:.15rem;font-size:.68rem;display:flex}.grade-label--total{border-left:2px solid var(--primary);padding-left:.5rem}.grade-label--total input{background:var(--surface-2,#f0f0f0);color:var(--primary);font-weight:700}.feedback-box--sm{min-height:3rem}.conversation-panel{flex-direction:column;gap:1rem;display:flex}.conversation-panel__header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.conversation-panel__header h2{margin:0;font-family:Manrope,Noto Sans TC,sans-serif;font-size:clamp(1.3rem,1rem + 1vw,1.8rem);font-weight:800}.chat-stream{flex-direction:column;gap:.75rem;padding:1rem 0;display:flex}.chat-bubble{border-radius:var(--radius-lg);max-width:85%;padding:1rem 1.25rem;line-height:1.75;position:relative}.chat-bubble p{margin:0 0 .25rem}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble--user{color:#f0fdfa;background:#0d9488;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble--user .chat-bubble__role{color:#99f6e4}.chat-bubble--user .chat-bubble__confidence{color:#5eead4}.chat-bubble--user .link-button{color:#99f6e4}.chat-bubble--assistant{color:#f1f5f9;background:#1e293b;border-bottom-left-radius:4px;align-self:flex-start}.chat-bubble--assistant .chat-bubble__role{color:#94a3b8}.chat-bubble--assistant .chat-bubble__confidence{color:#64748b}.chat-bubble--assistant .link-button{color:#94a3b8}.chat-bubble--novel{color:#fef3c7;background:linear-gradient(135deg,#78350f,#92400e);border-left:4px solid #f59e0b;border-bottom-left-radius:4px;align-self:flex-start}.chat-bubble--novel .chat-bubble__role{color:#fcd34d}.chat-bubble--novel .chat-bubble__confidence{color:#d97706}.chat-bubble--novel .link-button{color:#fcd34d}.chat-bubble__novel-badge{text-transform:uppercase;letter-spacing:.06em;color:#78350f;border-radius:var(--radius-pill);background:#fbbf24;align-items:center;padding:.1rem .5rem;font-size:.62rem;font-weight:800;display:inline-flex}.chat-bubble--unknown{background:var(--surface-muted);color:var(--text);border-radius:var(--radius-sm);opacity:.8;align-self:center;max-width:70%}.chat-bubble__header{justify-content:space-between;align-items:center;margin-bottom:.35rem;display:flex}.chat-bubble__role{text-transform:uppercase;letter-spacing:.08em;font-size:.7rem;font-weight:800}.chat-bubble__confidence{font-size:.65rem;font-weight:600}.chat-bubble__content{font-size:.92rem}.chat-bubble__content.markdown-body h1,.chat-bubble__content.markdown-body h2,.chat-bubble__content.markdown-body h3,.chat-bubble__content.markdown-body h4{margin:.8em 0 .4em;line-height:1.3}.chat-bubble__content.markdown-body h1{font-size:1.3em}.chat-bubble__content.markdown-body h2{font-size:1.15em}.chat-bubble__content.markdown-body h3{font-size:1.05em}.chat-bubble__content.markdown-body h4{font-size:.95em}.chat-bubble__content.markdown-body p{margin:0 0 .5em}.chat-bubble__content.markdown-body p:last-child{margin-bottom:0}.chat-bubble__content.markdown-body ul,.chat-bubble__content.markdown-body ol{margin:.4em 0;padding-left:1.5em}.chat-bubble__content.markdown-body li{margin-bottom:.2em}.chat-bubble__content.markdown-body blockquote{opacity:.85;border-left:3px solid;margin:.5em 0;padding:.3em .8em}.chat-bubble__content.markdown-body pre{background:#00000040;border-radius:6px;margin:.5em 0;padding:.6em .8em;font-size:.85em;line-height:1.5;overflow-x:auto}.chat-bubble__content.markdown-body code{font-family:Fira Code,Consolas,monospace;font-size:.88em}.chat-bubble__content.markdown-body :not(pre)>code{background:#0003;border-radius:3px;padding:.15em .35em}.chat-bubble__content.markdown-body table{border-collapse:collapse;width:100%;margin:.5em 0;font-size:.88em}.chat-bubble__content.markdown-body th,.chat-bubble__content.markdown-body td{text-align:left;border:1px solid #ffffff26;padding:.35em .6em}.chat-bubble__content.markdown-body th{background:#00000026;font-weight:700}.chat-bubble__content.markdown-body hr{border:none;border-top:1px solid #ffffff26;margin:.8em 0}.chat-bubble__content.markdown-body strong{font-weight:700}.chat-bubble__content.markdown-body em{font-style:italic}.chat-bubble .link-button{opacity:0;margin-top:.5rem;font-size:.72rem;transition:opacity .15s}.chat-bubble:hover .link-button{opacity:1}.chat-bubble--draft{color:#e2e8f0;background:linear-gradient(135deg,#1e3a5f 0%,#1e4976 100%);border-left:4px solid #3b82f6}.chat-bubble--draft .chat-bubble__role{color:#93c5fd}.chat-bubble__draft-badge{border-radius:var(--radius-pill);color:#fff;background:#2563eb;padding:.15rem .55rem;font-size:.68rem;font-weight:700;display:inline-block}.chat-bubble__content-type{border-radius:var(--radius-pill);color:#6366f1;background:#6366f126;border:1px solid #6366f14d;padding:.1rem .5rem;font-size:.68rem;font-weight:600;display:inline-block}.chat-bubble--novel .chat-bubble__content-type{color:#d97706;background:#d9770626;border-color:#d977064d}.chat-bubble--thinking{color:#6b7280;background:#f3f4f6;border-left:3px solid #9ca3af;font-style:italic}.chat-bubble--thinking .chat-bubble__role{color:#9ca3af}.chat-bubble--unknown{background:var(--surface-low);border-left:3px solid var(--line-soft)}.chat-bubble__tags{flex-wrap:wrap;gap:.3rem;margin-top:.25rem;display:flex}.tag-chip--inline{border-radius:var(--radius-pill);color:inherit;background:#ffffff40;border:1px solid #ffffff59;padding:.15rem .5rem;font-size:.68rem}.chat-bubble__actions{opacity:0;flex-wrap:wrap;gap:.4rem;margin-top:.5rem;transition:opacity .15s;display:flex}.chat-bubble:hover .chat-bubble__actions{opacity:1}@media (width<=1120px){.review-layout-v2{grid-template-columns:1fr}.source-panel{max-height:none;position:static}}.metric-grid--review{grid-template-columns:repeat(2,minmax(0,1fr))}.tag-item strong{color:var(--primary)}.feedback-box{resize:vertical;min-height:8rem}.footer-strip--vertical{flex-direction:column;align-items:stretch}.grade-row input{text-align:center;-moz-appearance:textfield;max-width:4.5rem;font-size:1.3rem;font-weight:800}.grade-row input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.grade-row input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}@media (width<=1120px){.submission-hero--table,.submission-main-grid,.submission-hero--workflow,.workflow-surface,.composer-grid,.composer-grid--support,.page-grid--student,.review-layout,.insight-grid,.stat-grid,.workflow-stepper,.submit-readiness{grid-template-columns:1fr}.page-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=920px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.workspace{padding:1.25rem}.topnav{display:none}.page-sidebar{grid-template-columns:1fr}.submission-table th,.submission-table td{min-width:10rem}.source-flow-item{grid-template-columns:1fr}.footer-strip,.input-row,.panel-action-group,.demo-switches,.tab-switches,.workbench-inline-actions,.submit-action-bar,.source-flow-header,.source-flow-tags{flex-direction:column;align-items:stretch}.bubble{max-width:100%}}.vibe-page{flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.vibe-two-col{grid-template-columns:minmax(320px,420px) minmax(0,1fr);align-items:start;gap:1.25rem;display:grid}.vibe-col-left{flex-direction:column;gap:1rem;display:flex}.vibe-col-right{position:sticky;top:5rem}@media (width<=900px){.vibe-two-col{grid-template-columns:1fr}.vibe-col-right{position:static}}.vibe-project-bar{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.vibe-project-chip{border-radius:var(--radius-pill);border:1px solid var(--line-soft);background:var(--surface);color:var(--text-soft);cursor:pointer;align-items:center;gap:.35rem;padding:.4rem .9rem;font-size:.82rem;font-weight:500;transition:all .18s;display:inline-flex}.vibe-project-chip:hover{border-color:var(--primary);color:var(--primary)}.vibe-project-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700;box-shadow:0 2px 8px #ea580c33}.vibe-project-chip--add{color:var(--primary);background:var(--primary-soft);border-style:dashed}.vibe-project-chip--add:hover{background:#f9731626}.vibe-chip-dot{border-radius:50%;width:6px;height:6px;display:inline-block}.vibe-chip-dot--ok{background:var(--success)}.vibe-header h2{margin:0 0 .25rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:1.5rem;font-weight:800}.vibe-subtitle{color:var(--text-soft);margin:0;font-size:.88rem}.vibe-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);padding:1.25rem}.vibe-card h3{margin:0 0 .75rem;font-size:1rem;font-weight:700}.vibe-alert{border-radius:var(--radius-md);padding:.75rem 1rem;font-size:.85rem;line-height:1.5}.vibe-alert--error{color:var(--danger);border-left:3px solid var(--danger);background:#dc262614}.vibe-alert--success{color:var(--success);border-left:3px solid var(--success);background:#16a34a14}.vibe-alert--warn{color:var(--warning);border-left:3px solid var(--warning);background:#d9770614}.vibe-alert ul{margin:.5rem 0 0;padding-left:1.2rem}.vibe-toast{border-radius:var(--radius-pill);padding:.2rem .6rem;font-size:.82rem;font-weight:600;animation:.2s vibe-toast-in;display:inline-block}.vibe-toast--ok{color:var(--success);background:#16a34a1a}.vibe-toast--err{color:var(--danger);background:#dc26261a}@keyframes vibe-toast-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.vibe-card-footer-row{align-items:center;gap:.75rem;margin-top:.5rem;display:flex}.vibe-tabs{border-bottom:1px solid var(--line-soft);gap:0;margin-bottom:1rem;display:flex}.vibe-tab{color:var(--text-soft);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:.6rem 1rem;font-size:.85rem;font-weight:500;transition:color .18s,border-color .18s}.vibe-tab:hover{color:var(--primary-strong)}.vibe-tab.is-active{color:var(--primary);border-bottom-color:var(--primary);font-weight:700}.vibe-tab-content{flex-direction:column;gap:.75rem;display:flex}.vibe-field{flex-direction:column;gap:.3rem;margin-bottom:.25rem;display:flex}.vibe-field label{color:var(--text-soft);font-size:.82rem;font-weight:600}.vibe-field--row{flex-direction:row;align-items:center;gap:.5rem}.vibe-input{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--surface);padding:.5rem .75rem;font-size:.88rem}.vibe-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);outline:none}.vibe-textarea{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--surface);resize:vertical;padding:.5rem .75rem;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.82rem}.vibe-textarea--short{font-family:Noto Sans TC,sans-serif;font-size:.85rem}.vibe-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);outline:none}.vibe-file-input{font-size:.88rem}.vibe-hint{color:var(--text-soft);margin:0;font-size:.82rem}.vibe-info-table{border-collapse:collapse;width:100%;font-size:.85rem}.vibe-info-table td{border-bottom:1px solid var(--surface-low);padding:.35rem .75rem}.vibe-info-table td:first-child{color:var(--text-soft);width:6rem;font-weight:600}.vibe-badge{border-radius:var(--radius-pill);padding:.15rem .6rem;font-size:.75rem;font-weight:600;display:inline-block}.vibe-badge--pending{background:var(--surface-muted);color:var(--text-soft)}.vibe-badge--building{color:var(--warning);background:#d977061f}.vibe-badge--ready{color:var(--success);background:#16a34a1f}.vibe-badge--failed,.vibe-badge--timeout{color:var(--danger);background:#dc26261a}.vibe-badge--unsupported{background:var(--surface-muted);color:var(--text-soft)}.vibe-build-log{background:var(--surface-dark);color:#e5e7eb;border-radius:var(--radius-md);white-space:pre-wrap;word-break:break-all;max-height:300px;margin-top:.75rem;padding:.75rem;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.75rem;line-height:1.5;overflow:auto}.vibe-preview-card{flex-direction:column;min-height:400px;display:flex}.vibe-preview-header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.vibe-preview-header h3{margin:0}.vibe-fullscreen-btn{width:2rem;height:2rem;font-size:1.1rem}.vibe-preview-empty{min-height:300px;color:var(--text-soft);background:var(--surface-low);border-radius:var(--radius-md);flex:1;place-items:center;font-size:.88rem;display:grid}.iframe-sandbox-wrap{border-radius:var(--radius-md);border:1px solid var(--line-soft);flex:1;width:100%;overflow:hidden}.iframe-sandbox{border:none;width:100%;height:500px;display:block}.vibe-fullscreen-overlay{z-index:200;background:var(--surface);flex-direction:column;display:flex;position:fixed;inset:0}.vibe-fullscreen-bar{background:var(--surface-dark);color:#fff;justify-content:space-between;align-items:center;padding:.5rem 1rem;font-size:.88rem;font-weight:600;display:flex}.vibe-fullscreen-bar .ghost-button{color:#fffc;width:auto;padding:.3rem .8rem;font-size:.82rem}.vibe-fullscreen-bar .ghost-button:hover{color:#fff;background:#ffffff1a}.vibe-fullscreen-iframe{border:none;flex:1;width:100%}.code-preview{border:1px solid var(--line-soft);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden}.code-preview-header{background:var(--surface-low);color:var(--text-soft);border-bottom:1px solid var(--line-soft);padding:.4rem .75rem;font-size:.78rem;font-weight:600}.code-preview-body{background:var(--surface-dark);color:#e5e7eb;white-space:pre-wrap;word-break:break-all;max-height:400px;margin:0;padding:.75rem;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.78rem;line-height:1.6;overflow:auto}.gallery-page{padding:1.5rem}.gallery-page h2{margin:0 0 .25rem;font-family:Manrope,Noto Sans TC,sans-serif;font-size:1.5rem;font-weight:800}.gallery-subtitle{color:var(--text-soft);margin:0 0 1.5rem;font-size:.88rem}.gallery-empty{color:var(--text-soft);text-align:center;padding:3rem}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem;display:grid}.gallery-card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);flex-direction:column;transition:box-shadow .2s,transform .2s;display:flex;overflow:hidden}.gallery-card:hover{box-shadow:var(--shadow-float);transform:translateY(-2px)}.gallery-thumb{aspect-ratio:16/10;background:var(--surface-low);width:100%;overflow:hidden}.gallery-thumb-img{object-fit:cover;width:100%;height:100%}.gallery-thumb-placeholder{width:100%;height:100%;color:var(--text-soft);background:linear-gradient(135deg, var(--surface-low), var(--surface-muted));place-items:center;font-size:1.5rem;font-weight:800;display:grid}.gallery-card-body{flex:1;padding:.75rem 1rem}.gallery-card-title{margin:0 0 .2rem;font-size:.95rem;font-weight:700}.gallery-card-author{color:var(--text-soft);margin:0 0 .3rem;font-size:.78rem}.gallery-card-desc{color:var(--text-soft);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.82rem;display:-webkit-box;overflow:hidden}.gallery-card-footer{padding:.5rem 1rem .75rem}.gallery-card-footer .cta-button{text-align:center;width:100%;padding:.5rem;font-size:.82rem}.gallery-modal-backdrop{z-index:100;background:#00000080;place-items:center;padding:2rem;display:grid;position:fixed;inset:0}.gallery-modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:1000px;max-height:90vh;box-shadow:var(--shadow-float);overflow:auto}.gallery-modal-header{border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;padding:.75rem 1rem;display:flex}.gallery-modal-header h3{margin:0;font-size:1rem}.gallery-modal .iframe-sandbox-wrap{border:none;border-radius:0}.gallery-modal .iframe-sandbox{height:70vh}