/* NurseTrack — styles */
:root{
  --blue:#1E6FD9;--blue-d:#1557B0;--blue-l:#E8F1FD;
  --green:#16A34A;--green-d:#15803D;--green-l:#E7F6EC;
  --orange:#F97316;--orange-d:#C2410C;--orange-l:#FFF1E6;
  --red:#DC2626;--red-l:#FDECEC;
  --black:#0B0F19;--charcoal:#111827;
  --bg:#F8FAFC;--surface:#FFFFFF;--surface-2:#F1F5F9;--border:#E5E7EB;
  --text:#1E293B;--muted:#475569;--heading:#0B0F19;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 6px 18px rgba(15,23,42,.06);
  --shadow-lg:0 12px 40px rgba(15,23,42,.16);
  --r:14px;--r-lg:20px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-h:'Poppins','Inter',system-ui,sans-serif;
}
[data-theme="dark"]{
  --bg:#0B0F19;--surface:#111827;--surface-2:#1A2233;--border:#263043;
  --text:#E2E8F0;--muted:#A3B1C6;--heading:#F8FAFC;
  --blue-l:#13284A;--green-l:#0F2E1C;--orange-l:#3A2010;--red-l:#3A1414;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--heading);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--blue)}a:hover{color:var(--blue-d)}
[data-theme="dark"] a{color:#6EA8FF}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:#fff;padding:8px 14px;border-radius:8px;z-index:1000}
.skip:focus{left:8px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
main{min-height:70vh;padding:28px 0 60px}

/* Header */
.topbar{background:var(--black);color:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid #1f2937}
.topbar .container{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--font-h);font-weight:800;font-size:1.3rem;letter-spacing:-.02em;white-space:nowrap}
.brand:hover{color:#fff}
.brand{flex:none}.brand svg{flex:none;width:36px;height:36px}.brand .wm span{color:#4E9BFF}
.brand img{width:36px;height:36px}
.nav{display:flex;gap:2px;margin-left:12px;flex:1}
.nav a{color:#CBD5E1;text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:600;font-size:.92rem;white-space:nowrap}
.nav a:hover{color:#fff;background:#1f2937}
.nav a.active{color:#fff;background:var(--blue)}
.hdr-right{display:flex;align-items:center;gap:8px;margin-left:auto}
.streak{display:flex;align-items:center;gap:4px;color:var(--orange);font-weight:800;font-size:.9rem;padding:6px 10px;border-radius:999px;background:#1f2937}
.xp-pill{color:#BFDBFE;font-weight:700;font-size:.82rem;padding:6px 10px;border-radius:999px;background:#1f2937;white-space:nowrap}
.icon-btn{background:transparent;border:1px solid #334155;color:#E2E8F0;width:40px;height:40px;border-radius:10px;display:inline-grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:#1f2937}
.avatar-btn{display:flex;align-items:center;gap:8px;background:#1f2937;border:0;color:#fff;border-radius:999px;padding:4px 12px 4px 4px;cursor:pointer;font-weight:600;font-size:.9rem;text-decoration:none}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#fff;flex:none}
.avatar svg{width:18px;height:18px}
.menu-btn{display:none}
@media (max-width:1060px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--black);padding:12px 20px 20px;margin:0;border-bottom:1px solid #1f2937}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .menu-btn{display:inline-grid}
  .xp-pill{display:none}
}
@media (max-width:560px){.avatar-btn .nm{display:none}.streak{display:none}}
.edu-banner{background:var(--orange-l);color:var(--orange-d);text-align:center;font-size:.82rem;font-weight:600;padding:6px 12px}
[data-theme="dark"] .edu-banner{color:#FDBA74}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:700;font-size:.95rem;cursor:pointer;text-decoration:none;font-family:inherit;min-height:44px;transition:transform .12s,background .15s,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-d);color:#fff}
.btn-orange{background:var(--orange);color:#111}.btn-orange:hover{background:#FB8A3C;color:#111}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-d);color:#fff}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--border)}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-dark{background:var(--black);color:#fff}.btn-dark:hover{background:#1f2937;color:#fff}
.btn-danger{background:var(--red);color:#fff}
.btn-sm{padding:8px 14px;min-height:36px;font-size:.85rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* Cards & layout */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
.card.pad-sm{padding:16px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.stack>*+*{margin-top:20px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;font-weight:800;color:var(--blue)}
.page-head{margin-bottom:24px}
.page-head p{color:var(--muted);max-width:720px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.chip.blue{background:var(--blue-l);color:var(--blue);border-color:transparent}
.chip.green{background:var(--green-l);color:var(--green-d);border-color:transparent}
.chip.orange{background:var(--orange-l);color:var(--orange-d);border-color:transparent}
[data-theme="dark"] .chip.blue{color:#93C5FD}[data-theme="dark"] .chip.green{color:#86EFAC}[data-theme="dark"] .chip.orange{color:#FDBA74}
.chip svg{width:14px;height:14px}
.divider{height:1px;background:var(--border);margin:20px 0}

/* Hero */
.hero{background:radial-gradient(1200px 400px at 80% -20%,rgba(30,111,217,.35),transparent),linear-gradient(180deg,#0B0F19,#111827);color:#E2E8F0;border-radius:28px;padding:56px 48px;position:relative;overflow:hidden}
.hero h1{color:#fff;max-width:720px}
.hero h1 em{font-style:normal;color:#4E9BFF}
.hero p{font-size:1.15rem;color:#CBD5E1;max-width:620px}
.hero .tag svg{width:16px;height:16px;flex:none}
.hero .tag{display:inline-flex;gap:8px;align-items:center;background:rgba(249,115,22,.15);color:#FDBA74;padding:6px 14px;border-radius:999px;font-weight:700;font-size:.85rem;margin-bottom:18px}
.hero-track{display:flex;gap:10px;margin-top:36px;flex-wrap:wrap}
.hero-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 14px;font-size:.85rem;font-weight:600;color:#E2E8F0;display:flex;align-items:center;gap:8px}
.hero-step b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;font-size:.75rem}
@media (max-width:640px){.hero{padding:36px 22px;border-radius:20px}}
.stat{text-align:center;padding:20px}
.stat .n{font-family:var(--font-h);font-size:2.2rem;font-weight:800;color:var(--blue)}
.stat:nth-child(2) .n{color:var(--green)}.stat:nth-child(3) .n{color:var(--orange)}
.feature .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px}
.feature .ic svg{width:24px;height:24px}
.ic-blue{background:var(--blue-l);color:var(--blue)}.ic-green{background:var(--green-l);color:var(--green)}.ic-orange{background:var(--orange-l);color:var(--orange)}.ic-dark{background:var(--black);color:#fff}
[data-theme="dark"] .ic-dark{background:#263043}

/* Progress */
.bar{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden;border:1px solid var(--border)}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:999px;transition:width .6s}
.ring{position:relative;width:132px;height:132px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring .lbl{position:absolute;inset:0;display:grid;place-items:center;text-align:center;font-family:var(--font-h);font-weight:800;font-size:1.6rem;color:var(--heading)}
.ring .lbl small{display:block;font-size:.7rem;font-weight:600;color:var(--muted);font-family:var(--font)}

/* Roadmap */
.roadmap{position:relative;display:grid;gap:18px}
.roadmap::before{content:"";position:absolute;left:31px;top:20px;bottom:20px;width:4px;background:var(--border);border-radius:4px}
.ms{position:relative;display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start}
.ms-dot{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:4px solid var(--border);z-index:1;font-family:var(--font-h);font-weight:800;color:var(--muted)}
.ms-dot svg{width:26px;height:26px}
.ms.done .ms-dot{background:var(--green);border-color:var(--green);color:#fff}
.ms.current .ms-dot{background:var(--blue);border-color:var(--blue-l);color:#fff;box-shadow:0 0 0 6px rgba(30,111,217,.18)}
.ms.locked .ms-dot{background:var(--surface-2)}
.ms .card{padding:18px 20px}
.ms.locked .card{opacity:.7}
.ms h3{margin:0}
.ms-meta{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 10px}
@media (min-width:1000px){
  .roadmap.horizontal{grid-template-columns:repeat(9,1fr);gap:8px}
  .roadmap.horizontal::before{left:4%;right:4%;top:30px;bottom:auto;width:auto;height:4px}
  .roadmap.horizontal .ms{grid-template-columns:1fr;justify-items:center;text-align:center}
  .roadmap.horizontal .ms .card{display:none}
  .roadmap.horizontal .ms-lbl{display:block}
}
.ms-lbl{display:none;font-size:.78rem;font-weight:700;color:var(--muted);line-height:1.25;margin-top:6px;text-decoration:none}
.ms-lbl:hover{color:var(--blue)}

/* Lessons */
.lesson-body{font-size:1.04rem}
.lesson-body ul,.lesson-body ol{padding-left:1.3em}
.lesson-body li{margin-bottom:.35em}
.callout{border-radius:14px;padding:16px 18px;display:flex;gap:12px;align-items:flex-start;margin:16px 0}
.callout svg{width:22px;height:22px;flex:none;margin-top:2px}
.callout.tip{background:var(--orange-l);color:var(--text);border:1px solid rgba(249,115,22,.35)}
.callout.tip svg{color:var(--orange)}
.callout.safety{background:var(--red-l);border:1px solid rgba(220,38,38,.35)}
.callout.safety svg{color:var(--red)}
.callout.info{background:var(--blue-l);border:1px solid rgba(30,111,217,.3)}
.callout.info svg{color:var(--blue)}
.callout b{display:block;margin-bottom:2px;font-family:var(--font-h)}
.terms dt{font-weight:700;color:var(--heading)}
.terms dd{margin:0 0 10px;color:var(--muted)}
.list-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--surface);text-decoration:none;color:var(--text)}
a.list-item:hover{border-color:var(--blue);color:var(--text)}
.list-item .ck{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--border);flex:none}
.list-item .ck.on{background:var(--green);border-color:var(--green);color:#fff}
.list-item .ck svg{width:16px;height:16px}
.list-item .grow{flex:1}

/* Quiz */
.q-card{max-width:820px;margin:0 auto}
.q-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px;flex-wrap:wrap}
.q-text{font-size:1.2rem;font-weight:600;color:var(--heading);margin:8px 0 18px}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:2px solid var(--border);border-radius:14px;cursor:pointer;background:var(--surface);text-align:left;font:inherit;color:var(--text);width:100%}
.opt:hover{border-color:var(--blue)}
.opt input{margin-top:4px;accent-color:var(--blue);width:18px;height:18px;flex:none}
.opt.sel{border-color:var(--blue);background:var(--blue-l)}
.opt.correct{border-color:var(--green);background:var(--green-l)}
.opt.wrong{border-color:var(--red);background:var(--red-l)}
.ord{display:grid;gap:8px;list-style:none;padding:0;margin:0}
.ord li{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid var(--border);border-radius:12px;background:var(--surface);cursor:grab}
.ord li.dragging{opacity:.5}
.ord li.correct{border-color:var(--green);background:var(--green-l)}
.ord li.wrong{border-color:var(--red);background:var(--red-l)}
.ord .n{width:28px;height:28px;border-radius:8px;background:var(--surface-2);display:grid;place-items:center;font-weight:800;font-size:.85rem;flex:none}
.ord .grow{flex:1}
.ord .mv{display:flex;gap:4px}
.ord .mv button{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;color:var(--text);display:grid;place-items:center}
.ord .mv button svg{width:16px;height:16px}
.num-in{display:flex;gap:10px;align-items:center}
.input,select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;min-height:44px}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,111,217,.2)}
label.lbl{display:block;font-weight:700;margin-bottom:6px;font-size:.92rem}
.field{margin-bottom:16px}
.feedback{margin-top:16px;padding:16px;border-radius:14px}
.feedback.ok{background:var(--green-l);border:1px solid rgba(22,163,74,.4)}
.feedback.no{background:var(--red-l);border:1px solid rgba(220,38,38,.35)}
.feedback b{font-family:var(--font-h)}
.timer{font-family:var(--font-h);font-weight:800;color:var(--orange-d);display:flex;align-items:center;gap:6px}
[data-theme="dark"] .timer{color:#FDBA74}
.timer svg{width:18px;height:18px}
.result-hero{text-align:center;padding:32px}
.result-hero .score{font-family:var(--font-h);font-size:4rem;font-weight:800;line-height:1}
.pass{color:var(--green)}.fail{color:var(--red)}
.review-item{border-left:4px solid var(--border);padding:8px 0 8px 16px;margin-bottom:16px}
.review-item.ok{border-color:var(--green)}.review-item.no{border-color:var(--red)}

/* Labs */
.lab-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text);transition:transform .15s,box-shadow .15s}
a.lab-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--text)}
.vitals-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;background:var(--black);border-radius:16px;padding:14px;color:#fff;font-family:var(--font-h)}
.vitals-panel div{background:#111827;border-radius:12px;padding:10px 12px}
.vitals-panel small{display:block;color:#94A3B8;font-family:var(--font);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.vitals-panel b{font-size:1.25rem;color:#4ADE80}
.vitals-panel b.warn{color:#FB923C}
.pulse-wrap{display:grid;place-items:center;height:180px}
.pulse-dot{width:90px;height:90px;border-radius:50%;background:var(--red);opacity:.3;transform:scale(.8);transition:transform .08s,opacity .08s}
.pulse-dot.beat{transform:scale(1.05);opacity:1}
.chest{width:140px;height:100px;border-radius:50% 50% 40% 40%;background:var(--blue-l);border:3px solid var(--blue);transition:transform 1s ease-in-out}
.chest.in{transform:scale(1.18,1.12)}
.gauge{display:block;margin:0 auto}
.korot{display:flex;justify-content:center;gap:8px;height:28px;align-items:center}
.korot i{width:12px;height:12px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border)}
.korot.on i{background:var(--orange);border-color:var(--orange);animation:tap .4s infinite alternate}
@keyframes tap{to{transform:scale(1.4)}}
.body-map{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:24px;align-items:start}
@media (max-width:760px){.body-map{grid-template-columns:1fr}}
.body-svg .rg{fill:var(--blue-l);stroke:var(--blue);stroke-width:2;cursor:pointer;transition:fill .15s}
.body-svg .rg:hover,.body-svg .rg:focus{fill:#BFDBFE;outline:none}
.body-svg .rg.done{fill:var(--green-l);stroke:var(--green)}
.body-svg .rg.flag{fill:var(--orange-l);stroke:var(--orange)}
.body-svg .rg.cur{stroke:var(--orange);stroke-width:4}
.body-svg text{font-size:11px;font-weight:700;fill:var(--muted);pointer-events:none;font-family:var(--font)}
.spot-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border:2px solid var(--border);border-radius:14px;background:var(--surface);cursor:pointer;text-align:left;font:inherit;color:var(--text);width:100%}
.spot-item.on{border-color:var(--orange);background:var(--orange-l)}
.spot-item.correct{border-color:var(--green);background:var(--green-l)}
.spot-item.wrong{border-color:var(--red);background:var(--red-l)}
.spot-item .flag{width:28px;height:28px;border-radius:8px;border:2px solid var(--border);display:grid;place-items:center;flex:none}
.spot-item.on .flag{background:var(--orange);border-color:var(--orange);color:#fff}
.spot-item .flag svg{width:16px;height:16px}
.bucket-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.bucket-row button{border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:10px;padding:8px 12px;font-weight:700;cursor:pointer;font:inherit;font-size:.85rem;min-height:40px}
.bucket-row button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.calc-steps{background:var(--surface-2);border-radius:12px;padding:12px 16px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;margin-top:10px}

/* Badges */
.badge{text-align:center;padding:20px 14px}
.badge .medal{width:84px;height:84px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;color:#fff;position:relative}
.badge .medal svg{width:38px;height:38px}
.badge.locked .medal{background:var(--surface-2)!important;color:var(--muted);filter:grayscale(1)}
.badge.locked{opacity:.75}
.badge h4{margin:0 0 4px;font-size:.98rem}
.badge p{font-size:.82rem;color:var(--muted);margin:0}

/* Modal & toast */
.modal-bg{position:fixed;inset:0;background:rgba(2,6,23,.65);display:grid;place-items:center;z-index:200;padding:20px;animation:fade .2s}
.modal{background:var(--surface);border-radius:22px;max-width:560px;width:100%;padding:28px;box-shadow:var(--shadow-lg);max-height:90vh;overflow:auto;animation:pop .25s}
.modal h2{margin-top:0}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{transform:scale(.94);opacity:0}}
.toasts{position:fixed;bottom:20px;right:20px;display:grid;gap:10px;z-index:300}
.toast{background:var(--black);color:#fff;padding:14px 18px;border-radius:14px;box-shadow:var(--shadow-lg);display:flex;gap:10px;align-items:center;max-width:360px;animation:pop .25s;font-weight:600;font-size:.92rem}
.toast svg{width:20px;height:20px;color:var(--orange);flex:none}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:250}

/* Flashcards */
.flash{perspective:1200px;max-width:560px;margin:0 auto;height:280px;cursor:pointer}
.flash-in{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}
.flash.flip .flash-in{transform:rotateY(180deg)}
.flash-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:22px;display:grid;place-items:center;padding:28px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border)}
.flash-front{background:var(--surface);font-family:var(--font-h);font-size:1.6rem;font-weight:800;color:var(--heading)}
.flash-back{background:var(--blue);color:#fff;transform:rotateY(180deg);font-size:1.1rem}

/* Resources */
.res-card{display:flex;flex-direction:column;gap:8px}
.res-card h3{font-size:1.05rem;margin:0;display:flex;gap:8px;align-items:center}
.res-card h3 svg{width:16px;height:16px;flex:none}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.filters .input,.filters select{width:auto;flex:1;min-width:180px}

/* Profile */
.avatar-pick{display:flex;gap:10px;flex-wrap:wrap}
.avatar-pick button{border:3px solid transparent;border-radius:50%;padding:2px;background:none;cursor:pointer}
.avatar-pick button.on{border-color:var(--orange)}
.avatar-pick .avatar{width:44px;height:44px}
.avatar-pick .avatar svg{width:22px;height:22px}
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left}
.table th{color:var(--muted);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
.table-wrap{overflow-x:auto}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-weight:600}
.switch input{width:44px;height:24px;appearance:none;background:var(--border);border-radius:999px;position:relative;cursor:pointer;transition:background .2s}
.switch input::after{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:3px;left:3px;transition:left .2s}
.switch input:checked{background:var(--green)}
.switch input:checked::after{left:23px}

/* Certificates */
.cert-thumb{border-radius:12px;border:1px solid var(--border);width:100%;display:block;background:#fff}
.cert-view canvas{width:100%;height:auto;border-radius:12px;box-shadow:var(--shadow-lg);background:#fff}

/* Legal */
.prose{max-width:820px}
.prose h2{margin-top:1.6em;font-size:1.3rem}
.prose li{margin-bottom:.4em}

/* Footer */
footer{background:var(--black);color:#94A3B8;padding:48px 0 28px;font-size:.92rem}
footer .grid{grid-template-columns:2fr 1fr 1fr 1fr}
@media (max-width:760px){footer .grid{grid-template-columns:1fr 1fr}}
footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}
footer a{color:#CBD5E1;text-decoration:none;display:block;padding:3px 0}
footer a:hover{color:#fff}
footer .fine{border-top:1px solid #1f2937;margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem}

/* Skeleton / empty */
.skel{background:linear-gradient(90deg,var(--surface-2),var(--border),var(--surface-2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px;height:120px}
@keyframes sk{to{background-position:-200% 0}}
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty svg{width:48px;height:48px;color:var(--border);margin-bottom:8px}

@media print{
  .topbar,footer,.edu-banner,.no-print,.toasts{display:none!important}
  body{background:#fff}
  main{padding:0}
  .cert-view canvas{box-shadow:none;border:0}
}