/* Preserve the supplied prototype's blue shell, chapter rail and six large steps. */
.original-course-tools{background:transparent;border:0;margin:0 0 12px;font-size:11px;color:#6e87a7}.original-course-tools>summary{cursor:pointer;min-height:28px;display:flex;align-items:center;justify-content:flex-end}.original-course-tools[open]{padding:8px;background:#f4f9ff;border:1px solid #deebf8;border-radius:9px}.panel-body:has(>.os-content),.panel-body:has(>.ol-root){padding:0!important}.lesson-grid:has(.ol-root)>.panel,.lesson-grid:has(.os-content)>.panel{background:transparent;border:0;box-shadow:none}.main:has(.ol-root),.main:has(.os-content){padding-top:12px}
:root{--blue:#1a6fc4;--blue-dark:#135a9e;--blue-soft:#e8f4ff;--navy:#1a6fc4;--bg:#eef5fc;--radius:16px}
body{background:#eef5fc;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.rail{width:120px;padding:20px 12px;background:linear-gradient(180deg,#1a6fc4,#135a9e);color:#d5e6f8}.brand{font-size:18px;letter-spacing:1px;margin:0 0 32px;gap:0}.brand-symbol{display:none}.rail-item{width:96px;min-height:62px;padding:10px 8px;border-radius:10px;margin-bottom:10px;color:#d5e6f8}.rail-item span{font-size:13px;font-weight:600}.rail-item.active{background:#fff;color:#1a6fc4;box-shadow:none}.rail-item svg{width:20px;height:20px}.rail-bottom .rail-item{min-height:48px}.workspace{margin-left:120px}.topbar{height:56px;background:linear-gradient(90deg,#1a6fc4,#2b8de6);color:white;border:0;padding:0 16px;box-shadow:0 2px 8px #00000012}.breadcrumb{color:#fff;font-size:15px;gap:6px}.breadcrumb b{display:none}.breadcrumb>svg{display:none}.breadcrumb>span:first-child{display:block}.breadcrumb>span:first-child::before{content:'← ';font-size:18px}.topbar-right .avatar,.topbar-right .save-indicator{display:none}.prototype-print{display:flex;align-items:center;gap:5px;padding:8px 20px;min-height:34px;border-radius:18px;background:#fff;color:#1a6fc4;font-size:13px}.subjectbar{position:absolute;left:310px;right:160px;top:0;height:56px;padding:0;gap:0;justify-content:space-evenly;align-items:center;background:none;border:0;z-index:31}.subjectbar button{font-size:16px;color:#e1efff;padding:12px 5px;border:0;min-width:30px}.subjectbar button.active{color:white;font-weight:700;border:0}.subjectbar .demo-tag{display:none}.layout{min-height:calc(100dvh - 56px)}.course-sidebar{width:240px;flex-basis:240px;border:0;border-radius:16px;margin:12px 0 12px 12px;padding:20px 16px;box-shadow:2px 0 12px #00000005}.course-heading{padding:0 0 16px;border:0;margin:0}.course-heading h3{font-size:16px;display:flex;align-items:center;gap:8px}.teacher-tag{color:#1a6fc4;background:#e8f4ff;font-size:12px;font-weight:400;padding:2px 8px;border-radius:12px}.catalog-label{display:none}.chapter-label{padding:8px 0;font-size:13px;margin-bottom:4px}.chapter-items{padding:0;margin:0;border:0}.chapter-item{padding:11px 12px;font-size:13px;line-height:1.6;margin:4px 0;border-radius:8px}.chapter-item .dot{display:none}.chapter-locked{padding:16px 0;font-size:13px;border:0;margin-top:10px}.sidebar-note{display:none}.main{padding:16px;max-width:none}.main:has(.stepper)>.page-heading{display:none}.stepper{gap:8px;margin-bottom:16px}.step-button{justify-content:center;min-height:48px;height:48px;border:0;border-radius:12px;background:#d4e8fa;padding:0;box-shadow:none}.step-button.active{background:#1a6fc4;color:white;box-shadow:none}.step-letter{background:none;color:#1a6fc4;width:auto;height:auto;font-size:22px;border-radius:0}.step-button.active .step-letter{background:none;color:white}.step-info{display:none}.step-button.done:not(.active) .step-letter{background:none;color:#1a6fc4}.step-check{top:4px;right:9px;color:#298f70}.lesson-grid{display:block}.right-stack{display:none}.panel{box-shadow:0 2px 12px #00000005}.panel-body{padding:28px}.stage-preview .panel-body{padding:40px;min-height:520px;display:flex;flex-direction:column;justify-content:center}.stage-preview .stage-head{display:none}.stage-preview .checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.stage-preview .check-item{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:20px;border-radius:12px;min-height:184px;border:1px solid #e0e8f0;box-shadow:0 4px 12px #1a6fc410;position:relative}.stage-preview .check-circle{height:28px;width:28px;background:#1a6fc4;color:white;border:0;font-size:14px;margin-bottom:0}.stage-preview .check-item.checked{background:#f4f9ff;border-color:#78a9dc}.stage-preview .check-content b{font-size:16px;color:#1a1a1a;margin-top:0}.stage-preview .check-content small{font-size:13px;color:#666;line-height:1.7;margin-top:8px}.stage-preview .check-duration{display:none}.stage-preview .upload-zone{margin:0;padding:58px 0 0;border:0;background:none}.stage-preview .upload-zone>svg,.stage-preview .upload-zone>h3,.stage-preview .upload-zone>p{display:none}.stage-preview .upload-actions>.btn{background:linear-gradient(90deg,#2b8de6,#1a6fc4);color:#fff;border-radius:24px;min-height:48px;padding:14px 48px;box-shadow:0 4px 12px #1a6fc440;font-size:16px}.stage-preview .actions{padding-top:20px;margin-top:24px}.stage-preview .note-list{max-width:600px;width:100%;margin:18px auto 0}.original-preview-tip{text-align:center;color:#888;font-size:13px;margin-top:16px}.delivery-toolbar{margin-bottom:7px;border-radius:10px}.delivery-toolbar-top{padding:7px 13px}.delivery-toolbar-bottom{padding:7px 13px}.delivery-toolbar-bottom>p{display:none}.delivery-device button{padding:6px 12px;min-height:32px}.delivery-placement-strip{padding:4px 12px;margin-bottom:12px;font-size:10px}.delivery-placement-strip .text-button{min-height:30px}.delivery-buttons .btn{min-height:33px;padding:6px 12px}.delivery-buttons .text-button{min-height:33px}.page-foot{margin-top:15px}.page-foot span:first-child{display:none}.report-header{margin-top:10px}.question-number{border-radius:50%;width:52px;height:52px}.btn.primary{background:#1a6fc4}.btn.primary:hover:not(:disabled){background:#135a9e}
@media(max-width:1200px){.subjectbar{left:280px;right:140px}.subjectbar button{font-size:14px}.course-sidebar{width:220px;flex-basis:220px}.stage-preview .checklist{gap:15px}.stage-preview .panel-body{padding:28px}.stage-preview .check-content b{font-size:14px}.stage-preview .check-content small{font-size:12px}}
@media(max-width:1000px){.course-sidebar{width:205px;flex-basis:205px;display:flex}.rail{width:100px;padding-left:8px;padding-right:8px}.rail-item{width:84px}.workspace{margin-left:100px}.subjectbar{left:245px;right:120px}.subjectbar button{font-size:13px}.prototype-print{padding:8px 15px}.stage-preview .checklist{grid-template-columns:1fr}.stage-preview .check-item{min-height:0;flex-direction:row;gap:14px}.stage-preview .check-content b{margin:0}.stage-preview .check-circle{flex-shrink:0}.stage-preview .upload-zone{padding-top:30px}}
@media(max-width:780px){.course-sidebar{display:none}.subjectbar{position:static;left:auto;right:auto;height:45px;padding:0 12px;background:#277ac9;color:white;overflow:auto;justify-content:space-between}.subjectbar button{font-size:13px;min-width:33px}.layout{min-height:calc(100dvh - 101px)}.main{padding:14px}.topbar{height:56px}.delivery-toolbar-bottom{flex-wrap:wrap}.delivery-toolbar-top{flex-wrap:wrap}}
@media(max-width:600px){.rail{width:100%;height:68px;padding:4px 5px;inset:auto 0 0;background:#1a6fc4;display:flex;flex-direction:row}.brand,.rail-bottom{display:none}.rail-item{width:19%;min-height:58px;height:58px;margin:0;padding:4px;gap:4px}.rail-item span{font-size:10px;font-weight:400}.rail-item svg{width:20px;height:20px}.workspace{margin:0;padding-bottom:76px}.topbar{padding:0 16px}.breadcrumb{font-size:14px}.subjectbar{gap:9px;justify-content:flex-start}.subjectbar button{font-size:13px;min-width:39px;white-space:nowrap;flex-shrink:0}.main{padding:12px}.stepper{gap:7px;margin-bottom:12px}.step-button{min-height:47px;height:47px;border-radius:10px;flex-direction:row}.step-letter{font-size:22px}.stage-preview .panel-body{padding:22px 18px;min-height:0}.panel-body{padding:20px 18px}.stage-preview .checklist{gap:12px}.stage-preview .check-item{padding:16px 13px;gap:12px}.stage-preview .check-content b{font-size:14px}.stage-preview .check-content small{font-size:12px}.stage-preview .upload-actions{flex-wrap:wrap;gap:10px}.stage-preview .upload-actions>.btn{padding:12px 34px;font-size:15px}.stage-preview .actions .btn{padding:11px 14px;font-size:12px}.delivery-device{width:auto;margin-left:auto}.delivery-device button{font-size:11px;padding:5px 8px;white-space:nowrap}.delivery-toolbar-top{gap:6px;padding:8px}.delivery-toolbar-top>span{font-size:10px}.delivery-toolbar-bottom{padding:5px 8px}.delivery-buttons{gap:8px;flex-wrap:wrap;justify-content:flex-start}.delivery-placement-strip{display:flex;flex-wrap:wrap;font-size:9px}.delivery-placement-strip>span{max-width:100%}.page-foot{font-size:10px}.question-number{width:48px;height:48px}.report-header h1{font-size:23px}}

.p1-sub-tab{min-height:44px}.p1-reason-item{min-height:48px}@media(max-width:600px){.p1-q-num{width:48px;height:48px}.p1-sub-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:5px}.p1-sub-tab{font-size:12px;gap:4px;justify-content:center}.p1-sub-tab-num{width:18px;height:18px;font-size:10px}}

/* The standalone acceptance preview keeps student learning and tutor delivery in separate views. */
.rail-role{font-size:11px;color:#d5e6f8;text-align:center;margin:-14px 0 18px;letter-spacing:1px}.role-switch{display:flex;align-items:center;gap:3px;background:#ffffff20;border:1px solid #ffffff40;border-radius:20px;padding:3px;flex-shrink:0}.role-switch>span{font-size:11px;color:#e1efff;padding:0 6px}.role-switch button{min-height:32px;padding:5px 12px;border-radius:17px;font-size:12px;color:#e1efff;white-space:nowrap}.role-switch button.active{background:#fff;color:#1769b5;font-weight:600}.role-switch button:focus-visible{outline:2px solid #fff;outline-offset:2px}.topbar-right{gap:14px}.topbar-right .avatar{display:flex;color:white}.topbar-right .avatar-text b,.topbar-right .avatar-text small{color:white}.topbar-right .avatar-circle{background:#ffffff25;color:white}.subjectbar{position:static;left:auto;right:auto;top:auto;height:44px;padding:0 20px;gap:28px;justify-content:flex-start;background:#277ac9;overflow:auto}.subjectbar button{font-size:14px;white-space:nowrap;flex-shrink:0}.tutor-contextbar{gap:18px;font-size:13px;color:#e1efff}.tutor-contextbar b{font-size:13px;color:#fff;font-weight:500}.workspace[data-view-role="tutor"] .breadcrumb>span{display:none}.workspace[data-view-role="tutor"] .breadcrumb b{display:block;font-size:14px}.layout{min-height:calc(100dvh - 100px)}
@media(max-width:900px){.role-switch>span{display:none}.topbar-right .avatar{display:none}.topbar-right{gap:9px}.role-switch button{padding:5px 10px}.subjectbar{gap:20px}}
@media(max-width:600px){.topbar{padding:0 12px;gap:8px}.breadcrumb{font-size:13px;flex-shrink:0}.topbar-right{gap:0;min-width:0}.topbar-right .prototype-print{display:none}.role-switch button{padding:5px 10px;font-size:11px}.rail-role{display:none}.rail-item{width:42%;max-width:180px}.subjectbar{padding:0 12px;gap:12px}.subjectbar button{min-width:34px;font-size:12px}.tutor-contextbar{gap:12px;font-size:11px}.tutor-contextbar b{font-size:11px}}
@media print{.role-switch,.rail-role,#modal-root,#toast{display:none!important}.workspace{margin:0!important;padding-bottom:0!important}.main{padding:0!important}}
.workspace[data-view-role="tutor"] .breadcrumb b{color:#fff}