:root{--bg:#080d12;--panel:#101820;--panel2:#151f29;--line:#26333e;--text:#f4f7f8;--muted:#91a0ae;--red:#e64b3f;--orange:#f9853b;--green:#40c987;--yellow:#f0bd55;--blue:#5aa9ff;--danger:#ff6d63;--radius:17px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}.hidden{display:none!important}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr}.auth-brand{display:flex;gap:28px;align-items:center;padding:7vw;background:radial-gradient(circle at 30% 30%,#51201b 0,transparent 27%),linear-gradient(140deg,#0b1117,#111a22 65%,#26120f);border-right:1px solid var(--line)}.auth-brand h1{margin:4px 0;font-size:clamp(40px,6vw,78px);line-height:.95}.auth-brand p{color:#cbd4da;font-size:18px}.login-logo{width:175px;height:175px;border-radius:24px;object-fit:cover;box-shadow:0 20px 60px #0009}.auth-card{width:min(430px,86%);margin:auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 30px 80px #0008}.auth-card h2{font-size:32px;margin:5px 0}.kicker{font-size:10px;letter-spacing:.17em;font-weight:900;color:var(--orange)}.muted{color:var(--muted)}label{display:block;font-size:13px;color:#c9d1d8;margin:17px 0 8px}input,select,textarea{width:100%;background:#0a1117;border:1px solid var(--line);border-radius:11px;color:white;padding:13px 14px;margin-top:7px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--orange)}button{border:0;cursor:pointer}.primary{background:linear-gradient(135deg,var(--red),var(--orange));color:white;font-weight:850;border-radius:11px;padding:13px 17px}.secondary{background:transparent;color:white;border:1px solid #a93832;border-radius:11px;padding:12px 17px;font-weight:750}.wide{width:100%;margin-top:10px}.link-btn{display:block;margin:auto;background:none;color:#c7d0d7;padding:13px}.ghost{background:#18232d;color:white;border-radius:10px;padding:9px 11px}.form-msg{font-size:13px;margin-top:10px;min-height:17px}.error{color:#ff8178}.success{color:#6ae0a7}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.panel.compact{margin-top:18px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.panel h3{margin:2px 0 12px}.qr-wrap{padding:14px;background:white;border-radius:14px;width:220px;margin:18px auto}.qr-wrap img{display:block;width:100%}details{margin:10px 0;color:var(--muted)}code{word-break:break-all;display:block;margin-top:8px;color:white}.app-shell{display:grid;grid-template-columns:255px 1fr;min-height:100vh}.sidebar{height:100vh;position:sticky;top:0;padding:18px 13px;background:#0b1117;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand-mini{display:flex;align-items:center;gap:11px;padding:2px 7px 18px;border-bottom:1px solid var(--line)}.brand-mini img{width:46px;height:46px;border-radius:9px;object-fit:cover}.brand-mini span,.account-box span{display:block;color:var(--muted);font-size:10px;margin-top:4px}.sidebar nav{margin-top:15px}.nav-btn{width:100%;display:flex;gap:11px;align-items:center;padding:11px 12px;margin:2px 0;background:none;color:#adb8c2;border-radius:10px;text-align:left}.nav-btn.active,.nav-btn:hover{background:#18232d;color:white}.nav-icon{width:22px;text-align:center}.account-box{margin-top:auto;border-top:1px solid var(--line);padding:16px 5px 0;display:flex;gap:9px;align-items:center}.account-box>div:nth-child(2){flex:1;min-width:0}.avatar{width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:#2b3945;font-weight:900}.avatar.has-photo{overflow:hidden;background:#2b3945}.avatar.has-photo img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}.topbar{height:78px;position:sticky;top:0;z-index:5;background:#080d12ef;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px}.topbar h2{margin:1px 0}.top-actions{display:flex;align-items:center;gap:9px}.badge{padding:5px 8px;border-radius:999px;font-size:10px;font-weight:900}.badge.green{background:#123b2a;color:#6ae0a7}.badge.yellow{background:#453619;color:#f5c968}.badge.red{background:#481d1a;color:#ff867d}.badge.blue{background:#18334f;color:#84c2ff}.content{max-width:1480px;margin:auto;padding:26px}.hero{padding:25px;border:1px solid #4b2924;border-radius:20px;background:linear-gradient(135deg,#281410,#151e27 65%);display:flex;justify-content:space-between;gap:20px;align-items:center}.hero h1{font-size:34px;margin:5px 0 8px}.hero-actions{display:flex;gap:9px;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:15px;margin-top:15px}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-12{grid-column:span 12}.metric strong{font-size:29px;display:block;margin:5px 0}.metric small{color:var(--muted)}.row{display:flex;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--line)}.row:first-child{border-top:0}.row-main{flex:1;min-width:0}.row-main strong{display:block}.row-main span{font-size:12px;color:var(--muted);display:block;margin-top:3px}.action{background:#1c2832;color:white;border-radius:9px;padding:8px 11px}.action.danger{background:#471d1a;color:#ff948d}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:11px;border-bottom:1px solid var(--line);font-size:13px}.table th{color:var(--muted);font-size:11px;letter-spacing:.08em}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid label{margin:0}.toolbar{display:flex;gap:9px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:14px}.tabs{display:flex;gap:7px;flex-wrap:wrap}.tab{background:#17232d;color:#b9c4cd;padding:8px 11px;border-radius:9px}.tab.active{background:#2a3946;color:white}.empty{padding:30px;text-align:center;color:var(--muted)}.progress{height:8px;border-radius:99px;background:#26333e;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--red),var(--orange))}.course-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:#0c1319;margin-top:10px}.chapter{border:1px solid var(--line);border-radius:14px;margin:12px 0;overflow:hidden}.chapter-head{padding:15px;background:#121b23}.content-item{padding:13px 15px;border-top:1px solid var(--line);display:flex;gap:12px;align-items:center}.content-item.done{background:#0d2119}.content-icon{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:#1d2a34}.video-modal{position:fixed;inset:0;background:#000d;display:grid;place-items:center;z-index:30;padding:20px}.modal-card{width:min(900px,100%);max-height:92vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.modal-card video{width:100%;max-height:58vh;background:black}.quiz-option{display:block;padding:12px;border:1px solid var(--line);border-radius:10px;margin:8px 0}.quiz-option input{width:auto;margin:0 8px 0 0}.bottom-nav{display:none}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.danger-zone{border-color:#5d2521}.small{font-size:12px}.right{text-align:right}
@media(max-width:1000px){.span-3{grid-column:span 6}.span-4,.span-5,.span-7,.span-8{grid-column:span 6}}
@media(max-width:760px){.auth-shell{display:block;padding:18px}.auth-brand{display:none}.auth-card{width:100%;margin:5vh auto;padding:23px}.app-shell{display:block;padding-bottom:72px}.sidebar{display:none}.content{padding:15px}.topbar{height:70px;padding:0 15px}.hero{display:block;padding:19px}.hero h1{font-size:28px}.hero-actions{margin-top:15px}.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 12}.form-grid,.two-col{grid-template-columns:1fr}.bottom-nav{display:grid;position:fixed;bottom:0;left:0;right:0;grid-template-columns:repeat(5,1fr);background:#0b1117f7;border-top:1px solid var(--line);z-index:20;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}.bottom-nav .nav-btn{display:grid;place-items:center;font-size:9px;gap:1px;padding:5px 2px}.bottom-nav .nav-icon{font-size:17px}.row{align-items:flex-start;flex-wrap:wrap}.login-logo{width:100px;height:100px}}
#toast{position:fixed;right:20px;top:20px;z-index:100;background:#183d2d;color:#7fe8b5;padding:12px 16px;border-radius:11px;opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s;border:1px solid #2f6b50}#toast.toast{opacity:1;transform:none}#toast.err{background:#431c1a;color:#ff9a92;border-color:#6d2d29}.sep{border:0;border-top:1px solid var(--line);margin:18px 0}

.auth-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px;margin:14px 0 4px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--line);flex:1}.passkey-btn{background:#eef3f6;color:#0a1117;border-radius:11px;padding:13px 17px;font-weight:850}.passkey-btn:hover{background:white}.center{text-align:center}.passkey-btn:focus{outline:2px solid var(--orange);outline-offset:2px}

.preview-banner{position:sticky;top:78px;z-index:4;margin:-26px -26px 18px;padding:11px 26px;background:#3a2910;border-bottom:1px solid #7a5921;color:#ffd980;display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap}.preview-banner span{font-size:12px;color:#ead8ae}.preview-controls{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.preview-controls label{margin:0;min-width:155px}.preview-controls select{margin-top:5px}.preview-assessment{border-top:1px solid var(--line);background:#0b1218}.preview-question{padding:13px 64px 15px;border-top:1px dashed #26333e}.preview-option{padding:7px 10px;margin-top:6px;background:#111b23;border-radius:8px;color:#c7d0d7}.preview-instructions{margin-top:7px;white-space:pre-wrap}.preview-frame{width:100%;height:62vh;border:1px solid var(--line);border-radius:10px;background:white}.preview-link{display:inline-block;text-decoration:none;margin-top:12px}@media(max-width:760px){.preview-banner{top:70px;margin:-15px -15px 15px;padding:10px 15px}.preview-controls{margin-top:14px}.preview-controls label{width:100%}.preview-question{padding:12px 18px}.preview-frame{height:55vh}}
.banner-editor-preview,.training-cover{min-height:280px;border-radius:16px;background-size:cover;background-position:50% 50%;position:relative;overflow:hidden;border:1px solid var(--line);display:flex;align-items:flex-end;padding:24px;margin-bottom:18px}.banner-editor-preview:after,.training-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,#05080dcc)}.banner-editor-preview>div,.training-cover>div{position:relative;z-index:1}.banner-editor-preview h2,.training-cover h2{font-size:32px;margin:4px 0}.banner-empty{background:linear-gradient(135deg,#281410,#151e27 65%)}.banner-controls{margin:18px 0}.banner-controls input[type=range]{padding:0}.chapter-cover{height:170px;background-size:cover;background-position:50% 50%;border-bottom:1px solid var(--line)}
@media(max-width:760px){.banner-editor-preview,.training-cover{min-height:200px;padding:18px}.chapter-cover{height:125px}.banner-editor-preview h2,.training-cover h2{font-size:25px}}

/* Embedded linked training video */
.linked-video-wrap{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:14px;overflow:hidden;margin:12px 0}
.linked-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}

/* Course landing page typography */
.course-description {
  font: inherit;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text, #eef3f7);
  margin: 18px 0 22px;
  white-space: pre-wrap;
}
.course-rules {
  margin-top: 18px;
}
.course-rules h3, .learning-text h3 {
  font-family: inherit;
}

/* Fireground v4.0 chapter architecture */
.chapter-section{margin:14px 0;padding:16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.018)}
.chapter-section-head{display:flex;gap:13px;align-items:flex-start;margin-bottom:12px}.chapter-section-head h4{margin:0 0 4px;font-size:17px}.chapter-section-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.section-badge{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#1b2834;font-size:20px;flex:0 0 42px}.section-empty{padding:10px 12px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:13px}.course-description{font:inherit;font-size:16px;line-height:1.6;color:var(--text);margin:16px 0}.brand-mini img,.login-logo{object-fit:cover}

/* Fireground v4.0.3 content management + student accordions */
.chapter-accordion{padding:0;overflow:hidden}.chapter-accordion>.chapter-section-head{list-style:none;cursor:pointer;margin:0;padding:16px;align-items:center}.chapter-accordion>.chapter-section-head::-webkit-details-marker{display:none}.section-summary-main{flex:1;min-width:0}.section-progress{display:inline-block;margin-top:7px;font-size:11px;font-weight:800;color:#9fb0bd}.accordion-chevron{font-size:22px;transition:transform .18s ease}.chapter-accordion[open] .accordion-chevron{transform:rotate(180deg)}.chapter-section-body{border-top:1px solid var(--line)}.structure-question{padding-left:38px;background:#0a1117}.content-item .action{flex:0 0 auto}.content-item{flex-wrap:wrap}.content-item .row-main{min-width:220px}@media(max-width:760px){.chapter-section-head p{font-size:12px}.content-item .row-main{min-width:160px}.structure-question{padding-left:18px}}
/* Fireground 4.0.4 student course navigation */
.student-course-tree{margin:6px 8px 12px 18px;padding-left:10px;border-left:1px solid rgba(255,255,255,.18);display:flex;flex-direction:column;gap:3px}.nav-tree-course,.nav-tree-chapter{border:0;background:transparent;color:inherit;text-align:left;padding:8px 10px;border-radius:8px;cursor:pointer;font:inherit;opacity:.9}.nav-tree-chapter{padding-left:20px;font-size:.9rem}.nav-tree-course:hover,.nav-tree-chapter:hover,.nav-tree-course.active,.nav-tree-chapter.active{background:rgba(255,255,255,.12);opacity:1}.course-chapter-buttons{margin-top:24px;display:grid;gap:10px}.chapter-launch{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border:1px solid var(--line,#ddd);border-radius:12px;background:var(--panel,#fff);color:inherit;text-align:left;cursor:pointer}.chapter-launch:hover{transform:translateY(-1px);box-shadow:0 5px 16px rgba(0,0,0,.08)}.chapter-launch span{display:flex;flex-direction:column;gap:3px}.chapter-launch small{font-size:.92rem;opacity:.72}.chapter-launch b{font-size:1.35rem}.chapter-pager{display:flex;justify-content:space-between;gap:12px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line,#ddd)}.student-chapter-cover{margin-bottom:18px}@media(max-width:760px){.student-course-tree{display:none}.chapter-pager{flex-direction:column}.chapter-pager button{width:100%}}
/* Fireground 4.1 full student course tree */
.student-course-tree{margin:12px 8px 24px;border-top:1px solid var(--line,#ddd);padding-top:10px}.student-course-tree button{width:100%;text-align:left;border:0;background:transparent;padding:8px 10px;border-radius:8px;cursor:pointer}.student-course-tree button.active{background:rgba(180,0,0,.12);font-weight:700}.nav-tree-chapter{padding-left:18px!important}.nav-tree-section{padding-left:30px!important;font-size:.92rem}.nav-tree-item{padding-left:44px!important;font-size:.86rem;color:var(--muted,#666)}
.student-section-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.student-section-card{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;text-align:left;padding:16px;border:1px solid var(--line,#ddd);background:var(--card,#fff);border-radius:14px;cursor:pointer}.student-section-card small{display:block;color:var(--muted,#666);margin-top:4px;line-height:1.35}.section-count{font-weight:700}.student-resource-list{display:grid;gap:8px}.resource-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;width:100%;text-align:left;padding:14px;border:1px solid var(--line,#ddd);background:transparent;border-radius:12px;cursor:pointer}.resource-row small{display:block;color:var(--muted,#666);margin-top:3px}
.quiz-rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0}.quiz-rule-grid>div{padding:14px;border:1px solid var(--line,#ddd);border-radius:12px;text-align:center}.quiz-rule-grid strong,.quiz-rule-grid span{display:block}.quiz-mode{display:flex!important;gap:10px;align-items:flex-start;border:1px solid var(--line,#ddd);padding:14px;border-radius:12px;margin:8px 0}.quiz-mode small{display:block;color:var(--muted,#666)}.quiz-timer{font-size:1.4rem;font-weight:800;padding:10px 14px;border:1px solid var(--line,#ddd);border-radius:12px}.quiz-progress-bar{height:7px;background:#eee;border-radius:99px;overflow:hidden;margin-bottom:20px}.quiz-progress-bar span{display:block;height:100%;background:currentColor}.review-answer{display:flex;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:13px;margin:7px 0;border:1px solid var(--line,#ddd);border-radius:10px;background:transparent}.review-answer.unanswered{border-style:dashed}.quiz-result-score{font-size:3rem;font-weight:800}
@media(max-width:800px){.student-section-grid{grid-template-columns:1fr}.quiz-rule-grid{grid-template-columns:repeat(2,1fr)}.student-course-tree{display:none}}

/* Fireground 4.1.1 grouped admin renderer */
.builder-sections{display:grid;gap:10px;padding:14px}.builder-section{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0c151d}.builder-section>summary{list-style:none;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:14px 16px;cursor:pointer}.builder-section>summary::-webkit-details-marker{display:none}.builder-section summary small{display:block;color:var(--muted);margin-top:3px}.builder-section-body{border-top:1px solid var(--line)}.builder-section-arrow{font-size:20px;transition:.15s}.builder-section[open] .builder-section-arrow{transform:rotate(180deg)}.builder-quiz-card+.builder-quiz-card{border-top:1px solid var(--line)}.builder-chapter{margin-bottom:18px}.student-course-tree{max-height:62vh;overflow:auto;padding-right:4px}

/* Fireground 4.1.2 student experience + preview repair */
.student-course-tree{margin:8px 0 18px!important;padding:8px 0 0!important;border-left:0!important;border-top:1px solid var(--line);max-height:64vh;overflow:auto}
.student-course-tree button{display:flex!important;align-items:flex-start;gap:6px;color:#dbe4ea!important;line-height:1.25;white-space:normal}
.student-course-tree .tree-chevron{width:14px;flex:0 0 14px;color:#f9853b;font-weight:900}
.nav-tree-course{padding-left:12px!important;font-weight:850;font-size:.96rem}
.nav-tree-chapter{padding-left:24px!important;color:#c9d4dc!important}
.nav-tree-section{padding-left:38px!important;color:#b9c6cf!important}
.nav-tree-item{padding-left:52px!important;color:#9fb0bd!important}
.student-course-tree button:hover{background:#18232d!important;color:#fff!important}.student-course-tree button.active{background:#3b1818!important;color:#fff!important}
.resource-row{color:var(--text)!important;background:#0d161e!important;transition:.16s ease;border-color:#2a3945!important}.resource-row strong{color:#f4f7f8!important}.resource-row:hover{background:#16232d!important;border-color:#f9853b!important;transform:translateY(-1px)}
.student-section-card{background:#f7f9fa!important;color:#17212a!important;transition:.16s ease;border:2px solid transparent!important}.student-section-card strong{color:#17212a!important}.student-section-card:hover{transform:translateY(-2px);border-color:#f9853b!important;box-shadow:0 8px 22px #0003}.student-section-card:active{transform:translateY(0)}
.section-badge{width:48px;height:48px;flex-basis:48px;background:linear-gradient(145deg,#16232d,#253746)!important;color:#fff!important;border:1px solid #344b5d;box-shadow:inset 0 0 0 1px #ffffff08;font-size:23px}.student-section-card:hover .section-badge{background:linear-gradient(145deg,#e64b3f,#f9853b)!important}
.quiz-mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:10px 0 18px}.quiz-mode-card{position:relative!important;display:grid!important;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:16px!important;border:1px solid var(--line)!important;border-radius:14px;background:#0d161e;cursor:pointer;color:var(--text)!important;margin:0!important;min-width:0}.quiz-mode-card input{position:absolute;opacity:0;pointer-events:none}.quiz-mode-card strong,.quiz-mode-card small{display:block}.quiz-mode-card small{color:var(--muted);margin-top:4px}.quiz-mode-card b{font-size:12px;color:var(--muted)}.quiz-mode-card.selected{border-color:#f9853b!important;background:#241711}.quiz-mode-card.selected b{color:#ffb37f}.quiz-mode-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:#1b2a35;font-size:20px}.quiz-mode-card.selected .quiz-mode-icon{background:linear-gradient(145deg,#e64b3f,#f9853b)}
.preview-role-bar{position:sticky;top:78px;z-index:4;margin:-26px -26px 18px;padding:10px 26px;background:#3a2910;border-bottom:1px solid #7a5921;color:#ffd980;display:flex;align-items:center;gap:14px}.preview-role-bar>div{flex:1}.preview-role-bar strong,.preview-role-bar span{display:block}.preview-role-bar span{font-size:11px;color:#ead8ae;margin-top:2px}.preview-role-bar label{margin:0;display:flex;align-items:center;gap:8px;white-space:nowrap}.preview-role-bar select{margin:0;width:auto;min-width:130px;padding:8px 10px}
@media(max-width:760px){.quiz-mode-grid{grid-template-columns:1fr}.preview-role-bar{top:70px;margin:-15px -15px 15px;padding:10px 15px;flex-wrap:wrap}.preview-role-bar>div{flex-basis:100%}}


/* Fireground 4.1.3 — My Courses learning navigation */
.my-courses-panel{margin:18px 0 20px;padding-top:14px;border-top:1px solid var(--line)}
.my-courses-header{width:100%;display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:12px 13px;border:1px solid #6f3925;border-radius:13px;background:linear-gradient(135deg,#2b1915,#211b1a);color:#ff9a4d;cursor:pointer;text-align:left;font:inherit;box-shadow:inset 0 0 0 1px rgba(255,133,59,.04);transition:.16s ease}
.my-courses-header:hover{background:linear-gradient(135deg,#352019,#27201e);border-color:#f9853b;transform:translateY(-1px)}
.my-courses-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:#f9853b;color:#111820;font-size:16px;font-weight:900}
.my-courses-title{font-size:.96rem;font-weight:900;letter-spacing:.01em}
.my-courses-chevron{font-size:24px;line-height:1;color:#ff9a4d;transition:.16s ease}
.my-courses-panel .student-course-tree{margin:7px 0 0!important;padding:0!important;border-top:0!important}
.my-courses-panel .student-course-tree.tree-collapsed{display:none!important}
.my-courses-panel .nav-tree-course{padding:10px 12px!important}
@media(max-width:800px){.my-courses-panel{display:none}}

/* Fireground 4.2.2 */
.mobile-logout{display:none}.profile-photo{width:132px;height:132px;border-radius:50%;margin:0 auto 18px;background:#202832;display:grid;place-items:center;overflow:hidden;font-size:44px;font-weight:900}.profile-photo img,.member-avatar img{width:100%;height:100%;object-fit:cover}.member-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.member-card{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px;background:#161c22}.member-avatar{width:52px;height:52px;border-radius:50%;background:#29323c;display:grid;place-items:center;overflow:hidden;font-weight:800}.member-card span,.member-card small{display:block;color:var(--muted);margin-top:3px}.member-actions{display:flex;gap:6px}.group-launch{text-align:left;cursor:pointer;color:inherit}.group-big-icon{display:block;font-size:32px;margin-bottom:10px}.group-launch strong,.group-launch small{display:block}.group-tabs{display:flex;gap:8px;overflow:auto;margin:0 0 16px}.member-profile{text-align:center;max-width:720px;margin:auto}
@media(max-width:760px){.mobile-logout{display:inline-flex}.top-actions #mfaBadge{display:none}.member-card{grid-template-columns:46px 1fr}.member-actions{grid-column:1/-1}.content{padding-bottom:110px}.student-course-tree{max-height:65vh;overflow:auto}.chapter-nav-mobile{position:sticky;bottom:76px;z-index:5}}

/* 4.3.0 shared-device account controls */
.account-box .account-identity{min-width:0;flex:1}.account-actions{display:flex;gap:6px;margin-left:auto}.account-actions .ghost{min-width:38px}.auth-card #differentUserLoginBtn{margin-top:2px}.auth-card #mfaDifferentUserBtn{margin-top:18px}.mfa-account-hint{margin-top:8px}

/* 4.3.2 Instructor authorization */
.instructor-review-bar{border-color:#7a5520;background:#2b2111}.instructor-review-bar strong{color:#f5c968}

/* Fireground 4.3.5 — Instructor My Courses UI */
.my-course-card{grid-column:span 12;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#101820,#0d151c);box-shadow:0 14px 34px rgba(0,0,0,.18)}
.my-course-cover{min-height:190px;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;background-size:cover;background-repeat:no-repeat;border-bottom:1px solid var(--line);position:relative}
.my-course-cover-label,.my-course-cover small{font-size:10px;letter-spacing:.18em;font-weight:900;color:#ff9a4d;margin-bottom:7px}.my-course-cover>strong,.my-course-cover span>strong{display:block;color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.05;text-shadow:0 2px 16px #000}
.my-course-cover-fallback{min-height:128px;display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:18px;background:radial-gradient(circle at 15% 40%,#54221c 0,transparent 28%),linear-gradient(135deg,#17232d,#101820)}
.my-course-cover-icon{width:62px;height:62px;display:grid;place-items:center;flex:0 0 62px;border-radius:16px;background:linear-gradient(145deg,#e64b3f,#f9853b);color:#fff;font-size:27px;box-shadow:0 10px 28px #0005}
.my-course-body{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;padding:24px 26px}.my-course-copy{min-width:0}.my-course-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:7px;color:#b6c2cb;font-size:13px;font-weight:700}.my-course-review-badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#2d2114;border:1px solid #6e4728;color:#ffad70;font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:900}.my-course-body h2{margin:0 0 7px;color:#f4f7f8;font-size:25px}.my-course-body p{margin:0 0 9px;color:#aebbc5;line-height:1.5;max-width:900px}.my-course-note{display:block;color:#7f909d;line-height:1.4}.my-course-open{min-width:154px;white-space:nowrap;font-size:15px;padding:14px 18px}.my-course-open span{display:inline-block;margin-left:5px;transition:transform .15s}.my-course-open:hover span{transform:translateX(3px)}
@media(min-width:1180px){.grid:has(.my-course-card) .my-course-card{grid-column:span 6}.grid:has(.my-course-card) .my-course-card:only-child{grid-column:span 12}}
@media(max-width:760px){.my-course-card{border-radius:16px}.my-course-cover{min-height:145px;padding:20px}.my-course-cover-fallback{min-height:110px}.my-course-body{grid-template-columns:1fr;gap:17px;padding:19px}.my-course-open{width:100%;min-height:48px}.my-course-body h2{font-size:22px}}

/* 4.3.6 — Instructor Quiz Review */
.instructor-quiz-review{display:grid;gap:18px}
.instructor-quiz-question{border:1px solid var(--line);border-radius:18px;background:#0d1820;padding:20px}
.instructor-question-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.instructor-question-head h3{margin:2px 0 0;color:#f5f7f9;font-size:19px;line-height:1.35}
.instructor-question-head small{display:block;margin-top:5px;color:var(--muted)}
.instructor-question-number{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:#1a2a35;color:#ff843d;font-weight:900}
.instructor-answer-list{display:grid;gap:9px;margin-left:48px}
.instructor-answer{display:flex;align-items:center;gap:12px;min-height:48px;padding:10px 13px;border:1px solid #263946;border-radius:12px;background:#101c24;color:#dbe3e8}
.instructor-answer.correct{border-color:#287a51;background:#10281f;color:#f2fff8}
.answer-letter{display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:8px;background:#1c2d38;font-weight:800}
.instructor-answer.correct .answer-letter{background:#185d3b;color:#dffbea}
.answer-text{flex:1;line-height:1.35}
.correct-answer-mark{font-size:12px;font-weight:900;color:#6fe0a2;white-space:nowrap;text-transform:uppercase;letter-spacing:.04em}
.instructor-answer-explanation{margin:14px 0 0 48px;padding:13px 15px;border-left:3px solid #ff7a35;background:#141e25;border-radius:0 10px 10px 0}
.instructor-answer-explanation p{margin:5px 0 0;color:var(--muted)}
@media(max-width:700px){.instructor-quiz-question{padding:15px}.instructor-answer-list,.instructor-answer-explanation{margin-left:0}.instructor-answer{align-items:flex-start;flex-wrap:wrap}.correct-answer-mark{width:100%;padding-left:40px}}
/* Fireground 4.3.7 — Unified Group Progress */
.fg-progress-filters{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,2fr);gap:14px;margin:20px 0}.fg-progress-table{border:1px solid var(--line);border-radius:16px;overflow:hidden}.fg-progress-head,.fg-progress-student>summary{display:grid;grid-template-columns:minmax(180px,1.2fr) minmax(120px,.7fr) minmax(360px,3fr) 80px;gap:16px;align-items:center}.fg-progress-head{padding:12px 16px;background:rgba(255,122,54,.14);font-weight:800}.fg-progress-student{border-top:1px solid var(--line)}.fg-progress-student>summary{padding:16px;cursor:pointer;list-style:none}.fg-progress-student>summary::-webkit-details-marker{display:none}.fg-progress-student[open]>summary{background:rgba(255,255,255,.035)}.fg-student-name{font-weight:800}.fg-segment-bar{display:flex;gap:2px;width:100%;min-height:22px;align-items:stretch}.fg-progress-segment{display:block;flex:1 1 10px;min-width:5px;max-width:24px;border-radius:2px;background:#d93632}.fg-progress-segment.done{background:#25b85a}.fg-progress-segment.partial{background:#e5bd37}.fg-progress-student small{display:block;margin-top:5px;color:var(--muted)}.fg-student-detail{padding:0 16px 18px}.fg-progress-chapter{border:1px solid var(--line);border-radius:12px;margin:10px 0;overflow:hidden}.fg-progress-chapter>summary{display:flex;justify-content:space-between;gap:18px;padding:14px 16px;cursor:pointer;background:rgba(255,255,255,.025)}.fg-achievements{padding:8px 14px 14px}.fg-achievement{display:flex;gap:12px;align-items:flex-start;padding:10px 4px;border-bottom:1px solid rgba(255,255,255,.06)}.fg-achievement:last-child{border-bottom:0}.fg-achievement b{font-size:20px}.fg-achievement.complete b{color:#36c76b}.fg-achievement.incomplete b{color:#e05b52}.fg-achievement strong,.fg-achievement small{display:block}.fg-achievement small{color:var(--muted);margin-top:3px}.fg-big-pct{font-size:32px}.fg-my-progress{margin-bottom:18px}
@media(max-width:850px){.fg-progress-filters{grid-template-columns:1fr}.fg-progress-head{display:none}.fg-progress-student>summary{grid-template-columns:1fr auto;gap:8px}.fg-progress-student>summary>span:nth-child(2){text-align:right}.fg-progress-student>summary>span:nth-child(3){grid-column:1/-1}.fg-progress-student>summary>strong{position:absolute;right:22px;margin-top:30px}.fg-segment-bar{min-height:18px}.fg-progress-chapter>summary{flex-direction:column;gap:5px}}

/* Fireground 4.3.8 — Progress Action Links */
.fg-progress-segment.actionable{cursor:pointer;position:relative;outline:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}.fg-progress-segment.actionable:hover,.fg-progress-segment.actionable:focus{transform:translateY(-2px) scaleY(1.12);box-shadow:0 0 0 2px rgba(255,255,255,.8),0 4px 10px rgba(0,0,0,.28);z-index:2}.fg-progress-segment.actionable:focus-visible{outline:2px solid white;outline-offset:2px}@media(max-width:700px){.fg-progress-segment.actionable{min-width:10px;min-height:28px}}
/* 4.3.10 clean multi-course accordion */
.my-courses-header.static{cursor:default}.nav-tree-course-wrap+.nav-tree-course-wrap{margin-top:3px}.nav-tree-course-wrap>.nav-tree-course{min-height:38px}.nav-tree-chapter span:last-child{font-weight:700}.nav-tree-node{margin-left:4px}

/* Fireground 4.3.11 — Student Dashboard & Personalization */
.nav-label-grow{flex:1}.nav-inline-chevron{margin-left:auto;font-size:20px;color:var(--orange)}
.sidebar .student-course-tree{margin:2px 0 7px 24px!important;padding:2px 0 3px!important;border:0!important;max-height:none;overflow:visible}.sidebar .student-course-tree.tree-collapsed{display:none!important}.sidebar .nav-tree-course{font-size:.9rem!important}.sidebar .nav-tree-chapter{font-size:.84rem!important}.sidebar .nav-tree-section{font-size:.81rem!important}.sidebar .nav-tree-item{font-size:.78rem!important}
.student-welcome{display:flex;align-items:center;gap:18px;padding:22px 24px;margin-bottom:16px;border:1px solid #4b2924;border-radius:20px;background:linear-gradient(135deg,#281410,#151e27 65%)}.student-welcome h1{margin:3px 0 4px;font-size:31px}.student-welcome p{margin:0;color:var(--muted)}.student-welcome-avatar{width:78px;height:78px;flex:0 0 78px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:#263542;font-size:28px;font-weight:900;border:3px solid #f9853b}.student-welcome-avatar img{width:100%;height:100%;object-fit:cover}
.student-dashboard-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(310px,.8fr);gap:16px}.student-dashboard-grid>div{display:grid;align-content:start;gap:16px}.student-home-course h2,.student-home-group h2{margin:4px 0}.student-course-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.student-overall-ring{width:86px;height:86px;flex:0 0 86px;border-radius:50%;display:grid;place-items:center;align-content:center;background:conic-gradient(#25b85a 0 72%,#d93632 72% 100%);border:5px solid #18232d}.student-overall-ring strong{font-size:22px}.student-overall-ring span{font-size:10px;color:var(--muted)}
.home-progress-block{padding:15px 0;border-top:1px solid var(--line)}.home-progress-label{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.home-progress-label strong,.home-progress-label small{display:block}.home-progress-label small,.home-progress-block>small{color:var(--muted);margin-top:4px}.home-progress-label b{font-size:20px}.home-progress-track{height:18px;display:flex;overflow:hidden;border-radius:6px;background:#d93632;margin:10px 0 7px;box-shadow:inset 0 0 0 1px #ffffff18}.home-progress-done{height:100%;background:#25b85a}.home-progress-missing{flex:1;background:#d93632}
.student-missing{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}.student-missing h3{margin:0}.missing-count{min-width:28px;height:28px;border-radius:999px;display:grid;place-items:center;background:#5b211e;color:#ffaaa4;font-weight:900}.missing-item{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:center;text-align:left;padding:11px 5px;border-top:1px solid #ffffff0c;background:transparent;color:var(--text);border-radius:8px}.missing-item:hover{background:#ffffff08}.missing-item strong,.missing-item small{display:block}.missing-item small{color:var(--muted);margin-top:3px}.missing-dot{width:10px;height:10px;border-radius:2px;background:#d93632}.all-complete{padding:14px;border-radius:10px;background:#10281f;color:#75dca2}
.home-member-list{display:grid;gap:7px}.home-member{width:100%;display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;text-align:left;padding:9px;background:#0c151c;color:var(--text);border:1px solid var(--line);border-radius:11px}.home-member:hover{border-color:var(--orange);background:#131f27}.home-member-avatar{width:42px;height:42px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:#263542;font-weight:800}.home-member-avatar img{width:100%;height:100%;object-fit:cover}.home-member strong,.home-member small{display:block}.home-member small{color:var(--muted);margin-top:2px;text-transform:capitalize}.appearance-box{margin:22px 0;padding:16px;border:1px solid var(--line);border-radius:14px;background:#0c151c}.appearance-box h3{margin-top:0}
html[data-density="compact"] .panel{padding:15px}html[data-density="compact"] .nav-btn{padding:8px 11px}html[data-density="compact"] .row{padding:9px 0}
html[data-theme="light"]{--bg:#f2f5f7;--panel:#fff;--panel2:#f7f9fa;--line:#d7e0e6;--text:#17212a;--muted:#63717c}html[data-theme="light"] body{background:var(--bg);color:var(--text)}html[data-theme="light"] .sidebar,html[data-theme="light"] .bottom-nav{background:#fff}html[data-theme="light"] .topbar{background:#f8fafbea}html[data-theme="light"] .nav-btn{color:#52616d}html[data-theme="light"] .nav-btn.active,html[data-theme="light"] .nav-btn:hover{background:#e8eef2;color:#17212a}html[data-theme="light"] input,html[data-theme="light"] select,html[data-theme="light"] textarea{background:#fff;color:#17212a}html[data-theme="light"] label{color:#4b5964}html[data-theme="light"] .action,html[data-theme="light"] .ghost{background:#e8eef2;color:#17212a}html[data-theme="light"] .secondary{color:#17212a}html[data-theme="light"] .student-welcome{background:linear-gradient(135deg,#fff0ea,#fff 65%)}html[data-theme="light"] .home-member,html[data-theme="light"] .appearance-box{background:#f7f9fa}html[data-theme="light"] .student-course-tree button{color:#52616d!important}html[data-theme="light"] .student-course-tree button:hover{background:#eef2f5!important;color:#17212a!important}
@media(max-width:1000px){.student-dashboard-grid{grid-template-columns:1fr}}
@media(max-width:760px){.student-welcome{padding:17px}.student-welcome-avatar{width:62px;height:62px;flex-basis:62px}.student-welcome h1{font-size:24px}.student-course-summary{align-items:flex-start}.student-overall-ring{width:72px;height:72px;flex-basis:72px}.student-overall-ring strong{font-size:18px}.home-progress-track{height:22px}.student-dashboard-grid{display:block}.student-dashboard-grid>div{margin-bottom:14px}}
.student-overall-ring{background:conic-gradient(#25b85a 0 calc(var(--overall)*1%),#d93632 calc(var(--overall)*1%) 100%)}
html[data-theme="light"] .resource-row,html[data-theme="light"] .quiz-mode-card,html[data-theme="light"] .course-card,html[data-theme="light"] .builder-section{background:#fff!important;color:#17212a!important}html[data-theme="light"] .resource-row strong{color:#17212a!important}html[data-theme="light"] .my-course-card{background:#fff}html[data-theme="light"] .my-course-body h2{color:#17212a}html[data-theme="light"] .my-course-body p{color:#63717c}

/* Fireground 4.3.12 — Universal Themes */
html[data-theme="light"] .hero{background:linear-gradient(135deg,#fff1eb,#ffffff 68%)!important;border-color:#e6b7a6!important;color:var(--text)!important}
html[data-theme="light"] .hero h1,html[data-theme="light"] .hero h2,html[data-theme="light"] .hero strong{color:var(--text)!important}
html[data-theme="light"] .hero .muted{color:var(--muted)!important}
html[data-theme="light"] .panel,html[data-theme="light"] .modal-card,html[data-theme="light"] .chapter,html[data-theme="light"] .chapter-section,html[data-theme="light"] .fg-progress-table,html[data-theme="light"] .fg-progress-chapter{background:var(--panel)!important;color:var(--text)!important}
html[data-theme="light"] .chapter-head,html[data-theme="light"] .fg-progress-chapter>summary,html[data-theme="light"] .content-icon,html[data-theme="light"] .section-badge{background:var(--panel2)!important;color:var(--text)!important}
html[data-theme="light"] .content-item.done{background:#edf8f1!important}
html[data-theme="light"] .tab{background:#e8eef2;color:#52616d}html[data-theme="light"] .tab.active{background:#dce6ec;color:#17212a}
html[data-theme="light"] .course-card,html[data-theme="light"] .my-course-card,html[data-theme="light"] .home-member,html[data-theme="light"] .appearance-box{background:var(--panel)!important;color:var(--text)!important}
html[data-theme="light"] .banner-empty{background:linear-gradient(135deg,#fff0e9,#f6f8fa 68%)!important}
html[data-theme="light"] .banner-empty:after{background:linear-gradient(180deg,transparent 35%,rgba(255,255,255,.88))!important}
html[data-theme="light"] .banner-empty h2,html[data-theme="light"] .banner-empty strong{color:var(--text)!important}
html[data-theme="light"] .secondary{background:#fff!important;color:#17212a!important;border-color:#c34b42!important}
html[data-theme="light"] .secondary:hover{background:#fff3ef!important}
html[data-theme="light"] .resource-row,html[data-theme="light"] .quiz-mode-card,html[data-theme="light"] .builder-section{background:var(--panel)!important;color:var(--text)!important}
html[data-theme="light"] .resource-row strong,html[data-theme="light"] .quiz-mode-card strong,html[data-theme="light"] .builder-section strong{color:var(--text)!important}
html[data-theme="light"] .resource-row:hover{background:var(--panel2)!important}
html[data-theme="light"] .action.danger{background:#fdebea;color:#a52f29}
html[data-theme="light"] code{color:var(--text)}
html[data-theme="light"] .fg-progress-student[open]>summary{background:#f7f9fa}
html[data-theme="light"] .fg-achievement{border-bottom-color:var(--line)}
html[data-theme="light"] .student-course-tree{border-left-color:var(--line)}
html[data-theme="light"] .missing-item{border-top-color:var(--line)}html[data-theme="light"] .missing-item:hover{background:#f5f7f9}
html[data-theme="light"] .all-complete{background:#edf8f1;color:#207345}


/* Fireground 5.0 */
.nav-tree-course.expanded,.nav-tree-chapter.expanded,.nav-tree-section.expanded{background:transparent!important;color:inherit!important}
.student-course-tree .nav-tree-item.active{background:#511d1b!important;color:#fff!important}
html[data-theme="light"] .student-course-tree .nav-tree-item.active{background:#7d2924!important;color:#fff!important}
html[data-theme="light"] .member-card{background:var(--panel2)!important;color:var(--text)!important}
html[data-theme="light"] .member-card strong{color:var(--text)!important}
html[data-theme="light"] .member-card span,html[data-theme="light"] .member-card small{color:var(--muted)!important}
.dual-progress-block{margin:10px 0 14px}.dual-progress-label{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px}.dual-progress-label strong{font-size:12px;letter-spacing:.06em}.dual-progress-label span{font-size:12px;color:var(--muted)}.dual-progress-cell .dual-progress-block{margin:4px 0}.dual-progress-cell .dual-progress-label{margin-bottom:3px}.bulk-practical{margin:12px 0;padding:14px}.bulk-practical>span{display:block;margin:4px 0 10px}.bulk-controls{display:grid;grid-template-columns:2fr 1fr auto;gap:8px;align-items:end}.bulk-controls select{margin:0}.bulk-student{width:auto;margin:0 8px 0 0}.fg-back{margin-bottom:12px}
html[data-theme="light"] .fg-progress-student,html[data-theme="light"] .member-card,html[data-theme="light"] .group-tabs,html[data-theme="light"] .bulk-practical{color:var(--text)}
@media(max-width:760px){.bulk-controls{grid-template-columns:1fr}.fg-progress-head{display:none}.dual-progress-label{align-items:center}}

/* Fireground 5.0.1 — Student/Instructor course navigation and progress corrections */
.student-course-tree .nav-tree-section.active-section{background:var(--panel2)!important;color:var(--text)!important;font-weight:800!important}
html[data-theme="light"] .student-course-tree .nav-tree-section.active-section{background:#e8eef2!important;color:#17212a!important}
.student-course-tree .nav-tree-item{display:none!important}
.fg-segment-bar{width:100%!important;display:grid!important;grid-auto-flow:column!important;grid-auto-columns:minmax(0,1fr)!important;gap:2px!important}
.fg-progress-segment{width:100%!important;min-width:0!important;max-width:none!important;flex:none!important}
.dual-progress-block{width:100%!important}
html[data-theme="light"] .member-card{background:#fff!important;border-color:var(--line)!important;color:var(--text)!important}
html[data-theme="light"] .member-card strong{color:#17212a!important}
html[data-theme="light"] .member-card span,html[data-theme="light"] .member-card small{color:#63717c!important}
html[data-theme="light"] .group-tabs .tab,html[data-theme="light"] .group-tabs button{background:#e8eef2!important;color:#17212a!important}
html[data-theme="light"] .group-tabs .active{background:#dce6ec!important;color:#17212a!important}

/* Fireground 5.0.2 — Quiz presentation, themes, and randomized delivery */
.quiz-option{display:flex;align-items:center;gap:8px}
.quiz-answer-letter{font-weight:900;min-width:24px;color:var(--orange)}
html[data-theme="light"] .instructor-quiz-question{background:var(--panel)!important;color:var(--text)!important;border-color:var(--line)!important}
html[data-theme="light"] .instructor-question-head h3{color:var(--text)!important}
html[data-theme="light"] .instructor-question-number{background:var(--panel2)!important;color:#c84f22!important}
html[data-theme="light"] .instructor-answer{background:var(--panel2)!important;color:var(--text)!important;border-color:var(--line)!important}
html[data-theme="light"] .instructor-answer.correct{background:#edf8f1!important;color:#173a27!important;border-color:#69b889!important}
html[data-theme="light"] .answer-letter{background:#dde6eb!important;color:var(--text)!important}
html[data-theme="light"] .instructor-answer.correct .answer-letter{background:#ccebd9!important;color:#185d3b!important}
html[data-theme="light"] .correct-answer-mark{color:#167a45!important}
html[data-theme="light"] .instructor-answer-explanation{background:#f6f8fa!important;color:var(--text)!important}
html[data-theme="light"] .instructor-answer-explanation p{color:var(--muted)!important}
html[data-theme="light"] .quiz-option{background:var(--panel2)!important;color:var(--text)!important;border-color:var(--line)!important}

/* Fireground 5.0.3 — visible quiz delivery controls */
.quiz-delivery-modal{max-width:680px}.quiz-delivery-options{display:grid;gap:10px;margin:18px 0}.quiz-delivery-choice{display:flex!important;gap:12px;align-items:flex-start;padding:16px!important;border:1px solid var(--line)!important;border-radius:14px;background:var(--panel)!important;color:var(--text)!important;cursor:pointer}.quiz-delivery-choice input{margin-top:4px}.quiz-delivery-choice strong,.quiz-delivery-choice small{display:block;color:var(--text)!important}.quiz-delivery-choice small{color:var(--muted)!important;margin-top:4px}.quiz-delivery-status{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.quiz-delivery-status>div{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);text-align:center}.quiz-delivery-status span,.quiz-delivery-status strong{display:block}.quiz-delivery-status span{font-size:12px;color:var(--muted);margin-bottom:4px}@media(max-width:620px){.quiz-delivery-status{grid-template-columns:1fr}}

/* Fireground 5.0.4 — Quiz UI & Theme Cleanup */
/* Course Builder quiz/question rows use the active theme instead of legacy hard-coded dark fills. */
.builder-quiz-card{background:var(--panel);color:var(--text)}
.builder-quiz-card .content-item{background:var(--panel);color:var(--text);border-color:var(--line)}
.builder-quiz-card .structure-question{background:var(--panel2);color:var(--text)}
.builder-quiz-card .row-main strong{color:var(--text)}
.builder-quiz-card .row-main span{color:var(--muted)}
.builder-quiz-card .content-icon{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
html[data-theme="light"] .builder-quiz-card,
html[data-theme="light"] .builder-quiz-card .content-item{background:var(--panel)!important;color:var(--text)!important}
html[data-theme="light"] .builder-quiz-card .structure-question{background:var(--panel2)!important;color:var(--text)!important}
html[data-theme="light"] .builder-quiz-card .row-main strong{color:var(--text)!important}
html[data-theme="light"] .builder-quiz-card .row-main span{color:var(--muted)!important}

/* Delivery modal: prevent global form input width rules from crushing the option copy. */
.quiz-delivery-modal{width:min(680px,calc(100vw - 40px));max-width:680px;overflow-x:hidden}
.quiz-delivery-options{display:grid;grid-template-columns:1fr;gap:12px;margin:18px 0}
.quiz-delivery-choice{width:100%;min-width:0;display:grid!important;grid-template-columns:22px minmax(0,1fr);gap:13px;align-items:start;padding:16px 18px!important;margin:0!important;border:1px solid var(--line)!important;border-radius:14px;background:var(--panel2)!important;color:var(--text)!important;cursor:pointer;overflow:hidden}
.quiz-delivery-choice input[type="radio"]{width:18px!important;height:18px!important;min-width:18px;max-width:18px;margin:2px 0 0!important;padding:0!important;accent-color:var(--orange);justify-self:start}
.quiz-delivery-choice>span{display:block;min-width:0;width:auto;overflow-wrap:anywhere}
.quiz-delivery-choice strong{display:block!important;color:var(--text)!important;font-size:15px;line-height:1.3}
.quiz-delivery-choice small{display:block!important;color:var(--muted)!important;margin-top:5px;line-height:1.4}
.quiz-delivery-choice:has(input:checked){border-color:var(--orange)!important;box-shadow:0 0 0 1px var(--orange);background:color-mix(in srgb,var(--orange) 8%,var(--panel2))!important}
.quiz-delivery-choice:hover{border-color:color-mix(in srgb,var(--orange) 65%,var(--line))!important}
.quiz-delivery-status>div{background:var(--panel2);color:var(--text)}
.quiz-delivery-modal .toolbar{align-items:flex-start}
.quiz-delivery-modal .toolbar>div{min-width:0;flex:1}
.quiz-delivery-modal .toolbar h3{color:var(--text);overflow-wrap:anywhere}
.quiz-delivery-modal .ghost{flex:0 0 auto}
html[data-theme="light"] .quiz-delivery-choice,
html[data-theme="light"] .quiz-delivery-status>div{background:var(--panel2)!important;color:var(--text)!important}
@media(max-width:620px){
 .quiz-delivery-modal{width:min(100%,calc(100vw - 24px));padding:15px}
 .quiz-delivery-choice{padding:14px!important}
 .quiz-delivery-status{grid-template-columns:1fr}
}

/* Fireground Step 1 beta completion */
.nav-tree-course.active-tree-node,.nav-tree-chapter.active-tree-node{background:var(--panel2);color:var(--text);border-radius:10px;font-weight:800}
.member-card{grid-template-columns:52px minmax(0,1fr);align-items:center;min-width:0}
.member-card>div:nth-child(2){min-width:0;overflow-wrap:anywhere}.member-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:flex-end;min-width:0}.member-actions .action{white-space:nowrap}
.group-overall-progress{padding:18px;border:1px solid var(--line);border-radius:14px;margin:16px 0;background:var(--panel2)}
.overall-track{height:24px;border-radius:8px;overflow:hidden;background:linear-gradient(90deg,#d93632,#d93632);position:relative}.overall-track>span{display:block;height:100%;background:#25b85a;border-right:2px solid rgba(255,255,255,.7)}
.student-overall-track{height:20px}.fg-progress-head-simple,.fg-progress-summary-simple{grid-template-columns:minmax(180px,1.2fr) minmax(300px,3fr) 80px!important}.fg-chapter-bars{padding:14px 16px 4px}.student-progress-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0}.progress-detail-card{max-width:620px}.form-grid{align-items:end}
html[data-theme="light"] .nav-tree-course.active-tree-node,html[data-theme="light"] .nav-tree-chapter.active-tree-node{background:#e7edf1!important;color:#17212a!important}
html[data-theme="light"] .group-overall-progress{background:#f7f9fa!important}
@media(max-width:850px){.fg-progress-summary-simple{grid-template-columns:1fr auto!important}.fg-progress-summary-simple>span:nth-child(2){grid-column:1/-1!important}.student-progress-heading{align-items:flex-start;flex-direction:column}.member-grid{grid-template-columns:1fr}.member-card{grid-template-columns:46px minmax(0,1fr)}}

/* Step 1C beta corrections */
.auth-brand h1,.auth-brand .kicker,.auth-brand p{color:#fff!important}
.progress-task-link{appearance:none;border:0;background:none;color:var(--text);font:inherit;font-weight:800;padding:0;text-align:left;cursor:pointer;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px}
.progress-task-link:hover,.progress-task-link:focus-visible{color:var(--orange);text-decoration-color:currentColor;outline:none}
html[data-theme="light"] .progress-task-link{color:#17212a}
html[data-theme="light"] .progress-task-link:hover,html[data-theme="light"] .progress-task-link:focus-visible{color:#c84f22}

/* Step 1C.3 */
.conversation-row{width:100%;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:10px;text-align:left;border:0;background:transparent;padding:10px;border-radius:12px;color:inherit;cursor:pointer}.conversation-row:hover{background:var(--surface-2,#ffffff12)}.conversation-avatar{width:38px;height:38px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:var(--surface-2,#27323a);font-weight:800}.conversation-avatar img{width:100%;height:100%;object-fit:cover}.conversation-name{font-weight:750}.nav-accordion-children{margin:0 0 6px 30px;border-left:1px solid var(--line,#ffffff22);padding-left:8px}.nav-accordion-children .nav-tree-course{width:100%;text-align:left}.nav-empty-child{padding:8px 12px;font-size:12px;opacity:.65}.combined-chapter summary{align-items:flex-start}.combined-chapter summary>div{flex:1;min-width:0}.combined-bar{margin-top:10px}.combined-chapter[open] summary{margin-bottom:12px}

/* Step 1C.4 focused corrections */
.chapter-expand-title{appearance:none;border:0;background:none;padding:0;color:var(--text);font:inherit;font-weight:850;text-align:left;cursor:pointer}.chapter-expand-title:hover,.chapter-expand-title:focus-visible{color:var(--orange);outline:none}.combined-chapter-main{min-width:0;flex:1}.nav-accordion-children .nav-tree-course.active-tree-node{background:var(--panel2);color:var(--text);border-radius:10px;font-weight:800}.fg-progress-segment.actionable{cursor:pointer}
html[data-theme="light"] .chapter-expand-title{color:#17212a}html[data-theme="light"] .chapter-expand-title:hover,html[data-theme="light"] .chapter-expand-title:focus-visible{color:#c84f22}

/* Step 1C.6 — progress + conversation corrective layout */
.c6-chapter{border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:12px 0;background:var(--panel)}
.c6-chapter-head{appearance:none;width:100%;border:0;background:transparent;color:var(--text);display:grid;grid-template-columns:minmax(0,1fr) auto 28px;align-items:center;gap:12px;padding:0 0 10px;text-align:left;cursor:pointer}
.c6-chapter-title{font-weight:850;min-width:0;overflow-wrap:anywhere}.c6-chapter-score{white-space:nowrap;color:var(--muted);font-weight:700}.c6-chapter .chapter-toggle-mark{font-size:20px;text-align:center;color:var(--orange)}
.c6-combined-bar{width:100%;display:flex;min-width:0;margin:0}.c6-combined-bar .fg-progress-segment{flex:1 1 0;min-width:4px}.c6-chapter-detail{padding-top:16px;margin-top:14px;border-top:1px solid var(--line)}
.fg-student-detail{overflow:visible!important}.fg-progress-table,.fg-progress-student{min-width:0}.fg-progress-student>summary{overflow:hidden}.student-progress-heading{min-width:0}
.c6-conversation{border-bottom:1px solid var(--line);padding:6px 0 10px}.c6-conversation:last-child{border-bottom:0}.c6-conversation-actions{display:flex;gap:8px;padding:0 10px 4px 52px}.c6-conversation-actions .action{padding:6px 10px;font-size:12px}
@media(max-width:700px){.c6-chapter-head{grid-template-columns:1fr auto}.c6-chapter-score{grid-row:2;grid-column:1}.c6-chapter .chapter-toggle-mark{grid-row:1;grid-column:2}.c6-conversation-actions{padding-left:10px}}
/* Step 1C.10 — group profile pictures */
.group-title-wrap,.group-heading{display:flex;align-items:center;gap:12px;min-width:0}.group-photo{width:48px;height:48px;border-radius:14px;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;flex:0 0 48px;background:var(--surface-2,#26313d);font-weight:800}.group-photo img,.group-big-icon img{width:100%;height:100%;object-fit:cover;display:block}.group-photo-admin{display:flex;align-items:end;gap:8px;flex-wrap:wrap;margin:12px 0}.group-photo-admin label{min-width:220px;flex:1}.group-big-icon{overflow:hidden;display:inline-flex;align-items:center;justify-content:center}.group-big-icon span{font-weight:800}