/* =====================================================================
   KAI LMS — stylesheet shared by every entry point.
   Palette and type scale are unchanged from the original build; the new
   blocks (viewer toolbar, test setup, progress, mistakes) follow the
   same tokens.
   ===================================================================== */

:root{
  --navy:#0A1930; --navy-800:#16273D;
  --sky:#2E86AB; --sky-600:#256E8C; --sky-100:#E4F0F6;
  --amber:#E8A33D; --amber-100:#FBEAD2; --amber-700:#8A5A12;
  --cloud:#F5F7FA;
  --slate:#64748B; --slate-700:#3F4B5A;
  --line:rgba(100,116,139,.15);
  --line-strong:rgba(100,116,139,.3);
  --white:#FFFFFF;
  --good:#2E9E5B; --good-100:#E4F5EA; --good-700:#1F7A43;
  --bad:#D64545; --bad-100:#FBEAEA; --bad-700:#B33232;
  --shadow-sm:0 1px 2px rgba(10,25,48,.04);
  --shadow-md:0 8px 20px rgba(10,25,48,.08);
  --shadow-lg:0 12px 30px rgba(10,25,48,.1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--navy);background:var(--cloud);}
h1,h2,.display{font-family:'Space Grotesk','Inter',system-ui,sans-serif;}
button{font-family:inherit;cursor:pointer;}
#app{min-height:100vh;}
main{max-width:960px;margin:0 auto;padding:48px 24px;}
main h1.page-title{font-size:30px;margin:0 0 8px;line-height:1.2;}
main p.page-sub{color:var(--slate);margin:0 0 40px;}

/* Visible keyboard focus everywhere, without ruining mouse interaction. */
:focus-visible{outline:2px solid var(--sky);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------------------------------------------------------------- Top bar */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20;}
.topbar-inner{max-width:960px;margin:0 auto;padding:0 28px;height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.topbar-inner.wide{max-width:1600px;}
.brand-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.test-pill{font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;background:rgba(232,163,61,.16);color:#F2C177;border:1px solid rgba(232,163,61,.4);padding:3px 9px;border-radius:99px;white-space:nowrap;}
.brand{background:none;border:none;padding:0;display:flex;align-items:center;}
.brand img{height:42px;width:auto;display:block;}
.crumbs{display:flex;align-items:center;gap:4px;font-size:13.5px;color:rgba(245,247,250,.7);min-width:0;flex:1;justify-content:center;}
.crumbs button{background:none;border:none;color:inherit;font-size:13.5px;padding:5px 9px;border-radius:6px;transition:background .15s,color .15s;white-space:nowrap;}
.crumbs button:hover{color:#fff;background:rgba(245,247,250,.08);}
.crumbs .sep{color:rgba(245,247,250,.25);margin:0 2px;}
.crumbs .current{color:#fff;padding:5px 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px;}
.topbar-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.signout{background:none;border:1px solid rgba(245,247,250,.22);color:rgba(245,247,250,.8);font-size:13px;padding:7px 16px;border-radius:7px;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;}
.signout:hover{color:#fff;background:rgba(245,247,250,.08);border-color:rgba(245,247,250,.4);}
.lang-switch{display:flex;border:1px solid rgba(245,247,250,.22);border-radius:7px;overflow:hidden;}
.lang-switch button{background:none;border:none;color:rgba(245,247,250,.7);font-size:12px;font-weight:600;letter-spacing:.03em;padding:7px 10px;transition:background .15s,color .15s;}
.lang-switch button:hover{color:#fff;background:rgba(245,247,250,.08);}
.lang-switch button.active{background:rgba(245,247,250,.16);color:#fff;}

@media (max-width:860px){
  .crumbs{display:none;}
  .topbar-inner{padding:0 16px;}
}

/* ------------------------------------------------------------------ Login */
.login-wrap{min-height:100vh;display:flex;}
.login-brand{flex:1;background:var(--navy);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:48px;}
.login-brand svg.backdrop{position:absolute;inset:0;width:100%;height:100%;opacity:.4;}
.login-brand .top,.login-brand .bottom{position:relative;z-index:1;}
.login-brand img{height:84px;width:auto;display:block;}
.login-brand .tag{display:block;font-size:14px;color:rgba(245,247,250,.7);margin-top:8px;}
.login-brand .headline{font-family:'Space Grotesk','Inter',sans-serif;font-size:30px;color:#fff;max-width:380px;line-height:1.3;}
.login-form-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:64px 24px;}
.login-form{width:100%;max-width:360px;}
.login-form h1{font-size:24px;margin:0 0 4px;}
.login-form p.sub{color:var(--slate);font-size:14px;margin:0 0 32px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;color:var(--slate-700);margin-bottom:6px;}
.field input{width:100%;padding:10px 14px;border:1px solid var(--line-strong);border-radius:6px;font-size:15px;background:#fff;color:var(--navy);}
.field input:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 2px var(--sky-100);}
.error-text{color:var(--bad);font-size:14px;margin:0 0 16px;}
.btn-primary{width:100%;background:var(--navy);color:#fff;border:none;border-radius:6px;padding:11px;font-size:15px;font-weight:500;}
.btn-primary:hover{background:#122540;}
.btn-primary:disabled{opacity:.6;cursor:default;}
.test-access{margin-top:22px;text-align:center;}
.test-access-divider{display:block;font-size:12px;color:var(--slate);margin-bottom:14px;}
.btn-secondary{width:100%;background:#fff;color:var(--navy);border:1px solid var(--line-strong);border-radius:6px;padding:10px;font-size:14px;font-weight:500;transition:border-color .15s,background .15s;}
.btn-secondary:hover{border-color:var(--sky);background:var(--sky-100);}
.login-lang{position:absolute;top:20px;right:24px;z-index:2;display:flex;gap:4px;}
.login-lang button{background:#fff;border:1px solid var(--line-strong);color:var(--slate-700);font-size:12px;font-weight:600;padding:5px 10px;border-radius:6px;}
.login-lang button.active{background:var(--navy);border-color:var(--navy);color:#fff;}
.mobile-brand{display:none;}
.mobile-brand img{height:56px;width:auto;display:block;}
.mobile-brand .tag{display:block;font-size:14px;color:var(--slate);margin-top:6px;}
@media (max-width:768px){
  .login-brand{display:none;}
  .mobile-brand{display:block;margin-bottom:40px;}
  .login-form-wrap{padding:40px 22px;}
}

/* -------------------------------------------------------------- Dashboard */
.pathway-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:40px;}
@media (min-width:640px){ .pathway-grid{grid-template-columns:1fr 1fr;} }
.pathway-card{display:flex;flex-direction:column;align-items:flex-start;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:40px 36px;text-align:left;transition:box-shadow .15s,border-color .15s,transform .15s;width:100%;}
.pathway-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.pathway-icon{flex-shrink:0;width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.pathway-icon.sky{background:var(--sky-100);color:var(--sky);}
.pathway-icon.amber{background:var(--amber-100);color:var(--amber);}
.pathway-icon svg{width:32px;height:32px;}
.pathway-body{width:100%;}
.pathway-body .label{font-family:'Space Grotesk','Inter',sans-serif;font-size:27px;display:block;margin-bottom:10px;line-height:1.15;}
.pathway-body .desc{display:block;font-size:15px;color:var(--slate);line-height:1.6;max-width:400px;}
.pathway-foot{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:22px;padding-top:18px;border-top:1px solid rgba(100,116,139,.12);}
.pathway-foot .stat{font-size:12.5px;color:var(--slate-700);font-weight:500;}
.pathway-arrow{flex-shrink:0;color:var(--slate);transition:transform .15s,color .15s;}
.pathway-card:hover .pathway-arrow{transform:translateX(3px);color:var(--navy);}
@media (max-width:480px){ .pathway-card{padding:28px 24px;} .pathway-body .label{font-size:23px;} }

/* Resume strip + progress panel */
.section-head{font-family:'Space Grotesk','Inter',sans-serif;font-size:15px;margin:0 0 14px;color:var(--slate-700);}
.resume-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:40px;}
@media (min-width:640px){ .resume-grid{grid-template-columns:1fr 1fr;} }
.resume-card{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--sky);border-radius:10px;padding:14px 18px;text-align:left;width:100%;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s,transform .15s;}
.resume-card.test{border-left-color:var(--amber);}
.resume-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px);}
.resume-card .rc-body{flex:1;min-width:0;}
.resume-card .rc-kicker{display:block;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--slate);margin-bottom:3px;}
.resume-card .rc-text{display:block;font-size:14px;font-family:'Space Grotesk','Inter',sans-serif;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.resume-card .tile-arrow{color:var(--slate);flex-shrink:0;}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;box-shadow:var(--shadow-sm);}
.stat-card .value{font-family:'Space Grotesk','Inter',sans-serif;font-size:26px;display:block;line-height:1.1;}
.stat-card .label{display:block;font-size:12px;color:var(--slate);margin-top:6px;}
.progress-empty{color:var(--slate);font-size:14px;margin:0 0 16px;}
.link-muted{background:none;border:none;color:var(--slate);font-size:12.5px;text-decoration:underline;padding:0;}
.link-muted:hover{color:var(--bad);}

/* -------------------------------------------------------------- Catalogue */
.badge{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;padding:3px 9px;border-radius:99px;white-space:nowrap;}
.badge.dev{background:var(--amber-100);color:var(--amber-700);border:1px solid rgba(232,163,61,.4);}
.badge.pass{background:var(--good-100);color:var(--good-700);border:1px solid rgba(46,158,91,.35);}
.badge.fail{background:var(--bad-100);color:var(--bad-700);border:1px solid rgba(214,69,69,.3);}
.badge.info{background:var(--sky-100);color:var(--sky-600);border:1px solid rgba(46,134,171,.3);}

.group-label{font-size:12px;font-weight:500;color:var(--slate-700);letter-spacing:.02em;margin:0 0 12px;}
.group-section{margin-bottom:40px;}
.tile-grid{display:grid;grid-template-columns:1fr;gap:12px;}
@media (min-width:640px){ .tile-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .tile-grid.cats{grid-template-columns:1fr 1fr 1fr;} }
.tile-grid.subjects{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));}

.cat-tile{display:flex;align-items:stretch;gap:16px;background:#fff;border:1px solid rgba(100,116,139,.13);border-radius:10px;padding:0 18px 0 0;text-align:left;overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s,transform .15s;width:100%;}
.cat-tile:hover{border-color:rgba(46,134,171,.4);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.cat-tile .accent{width:5px;background:var(--sky);flex-shrink:0;}
.cat-tile .accent.off{background:rgba(100,116,139,.3);}
.cat-tile .txt{padding:17px 0;flex:1;min-width:0;}
.cat-tile .code{font-family:'Space Grotesk','Inter',sans-serif;font-size:17px;}
.cat-tile .name{display:block;font-size:12.5px;color:var(--slate);margin-top:3px;}
.cat-tile .txt .badge{margin-top:8px;}
.cat-tile .tile-arrow{align-self:center;color:var(--slate);flex-shrink:0;transition:transform .15s,color .15s;}
.cat-tile:hover .tile-arrow{transform:translateX(2px);color:var(--sky);}
.cat-tile.unavailable{cursor:default;background:#FAFBFC;border-style:dashed;box-shadow:none;}
.cat-tile.unavailable:hover{border-color:rgba(100,116,139,.2);box-shadow:none;transform:none;}
.cat-tile.unavailable .code,.cat-tile.unavailable .name{opacity:.65;}

.subj-tile{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid rgba(100,116,139,.13);border-radius:10px;padding:16px 20px;text-align:left;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s,transform .15s;width:100%;}
.subj-tile:hover{border-color:rgba(46,134,171,.4);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.subj-tile .tile-arrow{color:var(--slate);flex-shrink:0;transition:transform .15s,color .15s;}
.subj-tile:hover .tile-arrow{transform:translateX(2px);color:var(--sky);}
.subj-tile.unavailable{cursor:default;background:#FAFBFC;border-style:dashed;box-shadow:none;}
.subj-tile.unavailable:hover{border-color:rgba(100,116,139,.2);box-shadow:none;transform:none;}
.subj-tile.unavailable .name{opacity:.65;}
.subj-tile .txt{min-width:0;}
.subj-tile .name{font-family:'Space Grotesk','Inter',sans-serif;font-size:15px;display:block;line-height:1.35;}
.subj-tile .subj-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--slate);margin-top:7px;}

.filter-row{display:flex;align-items:center;gap:10px;margin:-20px 0 24px;flex-wrap:wrap;}
.filter-input{flex:1;min-width:200px;max-width:360px;padding:9px 14px;border:1px solid var(--line-strong);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--navy);}
.filter-input:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 2px var(--sky-100);}
.filter-count{font-size:12.5px;color:var(--slate);}

/* --------------------------------------------------------- Theory viewer */
.viewer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px;}
.viewer-title{font-family:'Space Grotesk','Inter',sans-serif;font-size:23px;margin:0 0 6px;line-height:1.25;}
.viewer-sub{font-size:12.5px;color:var(--slate);margin:0;}
.viewer-actions{display:flex;gap:8px;flex-wrap:wrap;}
.part-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;}
.part-tab{background:#fff;border:1px solid var(--line-strong);color:var(--slate-700);font-size:13px;font-weight:500;padding:8px 14px;border-radius:8px;transition:border-color .15s,background .15s,color .15s;}
.part-tab:hover{border-color:var(--sky);color:var(--sky-600);}
.part-tab.active{background:var(--navy);border-color:var(--navy);color:#fff;}
.part-tab .pt-pages{font-size:11px;opacity:.7;margin-left:6px;}
.viewer-frame{background:var(--navy-800);border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative;}
.viewer-frame iframe{width:100%;height:calc(100vh - 230px);min-height:520px;border:none;display:block;background:var(--navy-800);}
.viewer-frame.is-fullscreen{position:fixed;inset:0;z-index:100;border-radius:0;border:none;}
.viewer-frame.is-fullscreen iframe{height:100vh;}
.viewer-hint{font-size:12px;color:var(--slate);margin:10px 0 0;}
.viewer-exit-fs{position:absolute;top:14px;right:16px;z-index:2;background:rgba(10,25,48,.85);color:#fff;border:1px solid rgba(245,247,250,.25);font-size:12.5px;padding:7px 13px;border-radius:7px;}
.viewer-exit-fs:hover{background:var(--navy);}
@media (max-width:640px){ .viewer-frame iframe{height:70vh;min-height:380px;} }

/* ------------------------------------------------------------- Test setup */
.setup-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 30px;box-shadow:var(--shadow-sm);max-width:640px;}
.setup-stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--cloud);border:1px solid var(--line);color:var(--slate-700);font-size:12.5px;font-weight:500;padding:6px 12px;border-radius:99px;}
.setup-block{margin-bottom:22px;}
.setup-label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--slate);margin-bottom:10px;}
.choice-row{display:flex;gap:10px;flex-wrap:wrap;}
.choice{flex:1;min-width:160px;background:#fff;border:1px solid var(--line-strong);border-radius:10px;padding:14px 16px;text-align:left;transition:border-color .15s,background .15s,box-shadow .15s;}
.choice:hover{border-color:var(--sky);}
.choice.active{border-color:var(--sky);background:var(--sky-100);box-shadow:0 0 0 1px var(--sky);}
.choice .ch-name{display:block;font-family:'Space Grotesk','Inter',sans-serif;font-size:15px;margin-bottom:4px;}
.choice .ch-desc{display:block;font-size:12px;color:var(--slate);line-height:1.5;}
.setup-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.setup-history{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;}

/* -------------------------------------------------------------------- Quiz */
.quiz-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--slate);margin-bottom:20px;flex-wrap:wrap;}
.quiz-timer{font-variant-numeric:tabular-nums;font-weight:600;color:var(--slate-700);}
.quiz-timer.warn{color:var(--amber-700);}
.quiz-timer.danger{color:var(--bad-700);}
.quiz-progress{height:4px;background:rgba(100,116,139,.15);border-radius:2px;overflow:hidden;margin-bottom:28px;}
.quiz-progress-fill{height:100%;background:var(--amber);border-radius:2px;transition:width .2s;}
.quiz-prompt{font-family:'Space Grotesk','Inter',sans-serif;font-size:18px;margin:0 0 16px;line-height:1.55;white-space:pre-line;}
.quiz-image{max-width:320px;width:100%;border-radius:8px;border:1px solid rgba(100,116,139,.2);display:block;margin:0 0 24px;cursor:zoom-in;}
.quiz-image.zoomed{max-width:100%;cursor:zoom-out;}

.quiz-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:6px;}
.quiz-toolbar-actions{display:flex;gap:8px;flex-wrap:wrap;}
.btn-ghost-sm{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line-strong);color:var(--slate-700);font-size:12.5px;font-weight:500;padding:7px 12px;border-radius:7px;transition:border-color .15s,background .15s,color .15s;}
.btn-ghost-sm:hover{border-color:var(--sky);color:var(--sky-600);}
.btn-ghost-sm.active{border-color:var(--amber);background:var(--amber-100);color:var(--amber-700);}
.btn-ghost-sm.danger{border-color:rgba(214,69,69,.35);color:var(--bad-700);}
.btn-ghost-sm.danger:hover{border-color:var(--bad);background:var(--bad-100);}
.btn-ghost-sm svg{width:14px;height:14px;flex-shrink:0;}

.qnav{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0 26px;}
.qnav-btn{position:relative;width:30px;height:30px;flex-shrink:0;border-radius:6px;border:1px solid rgba(100,116,139,.22);background:#fff;color:var(--slate-700);font-size:11.5px;font-weight:600;transition:border-color .15s,background .15s,color .15s;}
.qnav-btn:hover{border-color:var(--sky);}
.qnav-btn.answered{background:var(--sky-100);border-color:rgba(46,134,171,.4);color:var(--sky-600);}
.qnav-btn.current{background:var(--navy);border-color:var(--navy);color:#fff;}
.qnav-btn.flagged::after{content:'';position:absolute;top:-3px;right:-3px;width:8px;height:8px;border-radius:50%;background:var(--amber);border:1.5px solid #fff;}

.options{display:flex;flex-direction:column;gap:10px;}
.option-btn{display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;border-radius:8px;border:1px solid rgba(100,116,139,.2);background:#fff;color:var(--navy);padding:12px 16px;font-size:14px;line-height:1.5;transition:background .15s,border-color .15s,color .15s;}
.option-btn .opt-key{flex-shrink:0;width:22px;height:22px;border-radius:5px;background:var(--cloud);border:1px solid var(--line);color:var(--slate);font-size:11px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;margin-right:2px;}
.option-btn .opt-text{flex:1;min-width:0;white-space:pre-line;}
.option-btn:not(.answered):hover{border-color:var(--line-strong);}
.option-btn.selected{border-color:var(--sky);background:var(--sky-100);}
.option-btn.selected .opt-key{background:var(--sky);border-color:var(--sky);color:#fff;}
.option-btn.answered{cursor:default;}
.option-btn.correct{border-color:var(--good);background:var(--good-100);color:var(--good-700);animation:optionPop .25s ease;}
.option-btn.correct .opt-key{background:var(--good);border-color:var(--good);color:#fff;}
.option-btn.wrong{border-color:var(--bad);background:var(--bad-100);color:var(--bad-700);animation:optionPop .25s ease;}
.option-btn.wrong .opt-key{background:var(--bad);border-color:var(--bad);color:#fff;}
.option-icon{flex-shrink:0;display:flex;}
.option-icon svg{width:18px;height:18px;}
@keyframes optionPop{0%{transform:scale(.97);}60%{transform:scale(1.015);}100%{transform:scale(1);}}
@media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important;} }

.quiz-nav{display:flex;justify-content:space-between;gap:12px;margin-top:36px;}
.quiz-hint{font-size:11.5px;color:var(--slate);margin:18px 0 0;text-align:center;}
@media (max-width:640px){ .quiz-hint{display:none;} }

.btn-text{background:none;border:none;color:var(--slate);font-size:14px;padding:11px 4px;}
.btn-text:hover{color:var(--navy);}
.btn-text:disabled{opacity:.3;cursor:default;}
.btn-navy{background:var(--navy);color:#fff;border:none;border-radius:6px;padding:11px 20px;font-size:14px;font-weight:500;}
.btn-navy:hover{background:#122540;}
.btn-navy:disabled{opacity:.4;cursor:default;}
.btn-amber{background:var(--amber);color:var(--navy);border:none;border-radius:6px;padding:11px 20px;font-size:14px;font-weight:500;}
.btn-amber:hover{background:#DD9628;}
.btn-amber:disabled{opacity:.4;cursor:default;}

.review-list{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;max-height:60vh;overflow-y:auto;}
.review-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;text-align:left;font-size:14px;width:100%;transition:border-color .15s;}
.review-row:hover{border-color:var(--sky);}
.review-row.unanswered{border-style:dashed;}
.review-row .review-num{font-weight:600;color:var(--navy);flex-shrink:0;}
.review-row .review-answer{font-size:12.5px;color:var(--slate);text-align:right;}
.review-row.unanswered .review-answer{color:var(--bad-700);}
.review-row.flagged .review-num::after{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--amber);margin-left:7px;vertical-align:middle;}
.review-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}

/* ----------------------------------------------------------------- Result */
.result{text-align:center;max-width:460px;margin:0 auto;padding:52px 24px;}
.result .score{font-family:'Space Grotesk','Inter',sans-serif;font-size:52px;line-height:1;}
.result .score.pass{color:var(--good);}
.result .score.fail{color:var(--bad);}
.result .verdict{font-family:'Space Grotesk','Inter',sans-serif;font-size:18px;margin:14px 0 4px;color:var(--navy);}
.result p{color:var(--slate);font-size:14px;margin:10px 0 0;}
.result-meta{font-size:13px;color:var(--slate);margin:6px 0 28px;}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px;}
.result-ring{width:132px;height:132px;margin:0 auto 18px;position:relative;}
.result-ring svg{width:100%;height:100%;transform:rotate(-90deg);}
.result-ring .ring-bg{fill:none;stroke:rgba(100,116,139,.18);stroke-width:8;}
.result-ring .ring-fg{fill:none;stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .6s ease;}
.result-ring .ring-fg.pass{stroke:var(--good);}
.result-ring .ring-fg.fail{stroke:var(--bad);}
.result-ring .ring-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;}
.result-ring .score{font-size:36px;}

/* Mistakes review */
.mistake-list{display:flex;flex-direction:column;gap:14px;}
.mistake-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--bad);border-radius:10px;padding:18px 20px;box-shadow:var(--shadow-sm);}
.mistake-card .mc-num{font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--slate);}
.mistake-card .mc-prompt{font-family:'Space Grotesk','Inter',sans-serif;font-size:15px;margin:8px 0 14px;line-height:1.55;white-space:pre-line;}
.mistake-card .mc-row{display:flex;gap:10px;align-items:baseline;font-size:13.5px;margin-top:7px;line-height:1.5;}
.mistake-card .mc-tag{flex-shrink:0;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:2px 8px;border-radius:99px;}
.mistake-card .mc-tag.good{background:var(--good-100);color:var(--good-700);}
.mistake-card .mc-tag.bad{background:var(--bad-100);color:var(--bad-700);}
.mistake-card img{max-width:280px;width:100%;border-radius:8px;border:1px solid rgba(100,116,139,.2);display:block;margin:0 0 14px;}

/* Toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--navy);color:#fff;font-size:13.5px;padding:12px 20px;border-radius:10px;box-shadow:var(--shadow-lg);z-index:200;max-width:90vw;text-align:center;}

@media (max-width:480px){
  main{padding:32px 18px;}
  main h1.page-title{font-size:25px;}
  .qnav-btn{width:27px;height:27px;font-size:10.5px;}
  .btn-ghost-sm{font-size:11.5px;padding:6px 10px;}
  .setup-card{padding:22px 20px;}
  .quiz-nav .btn-navy,.quiz-nav .btn-amber{padding:11px 16px;}
}

/* Enumerated stems under a question heading (see promptHtml in app.js). */
.quiz-prompt-lines{font-size:15px;line-height:1.7;white-space:pre-line;margin:-6px 0 20px;color:var(--slate-700);}
.mc-prompt-lines{font-size:13.5px;line-height:1.65;white-space:pre-line;margin:-8px 0 14px;color:var(--slate-700);}

/* Content counts on a program tile, and the compact row for programs that
   have no material or bank yet (see renderCategoryList in app.js). */
.cat-tile .cat-stock{display:block;font-size:11.5px;color:var(--sky-600);margin-top:7px;font-weight:500;}
.pending-section{margin-top:8px;}
.mini-chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.mini-chip{display:inline-flex;align-items:baseline;gap:7px;background:#FAFBFC;border:1px dashed var(--line-strong);border-radius:99px;padding:6px 14px;font-size:12.5px;color:var(--slate);}
.mini-chip strong{font-family:'Space Grotesk','Inter',sans-serif;font-weight:600;color:var(--slate-700);}

/* A subject whose content has not been supplied yet: readable, not a dead
   grey card, and it links across to whatever the other mode does have. */
.subj-tile.pending{background:#fff;border-style:solid;border-color:var(--line);box-shadow:none;cursor:default;}
.subj-tile.pending:hover{transform:none;box-shadow:none;border-color:var(--line);}
.subj-tile.pending .name{color:var(--slate-700);}
.subj-tile.pending .subj-meta{color:var(--slate);}
.subj-tile.pending .btn-ghost-sm{flex-shrink:0;}
.subj-tile.pending{align-items:flex-start;}
.subj-tile.pending .btn-ghost-sm{margin-top:1px;}

/* Original book number from the CAE Oxford ATPL set (see `book` in data.js). */
.subj-meta .book-no{font-weight:600;color:var(--sky-600);}
.part-tab .pt-no{font-weight:600;margin-right:5px;opacity:.75;}