:root{--ink:#173549;--teal:#007b80;--dark:#102d40;--bg:#f1f6f8;--line:#d5e3e8;--muted:#526a79}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:15px/1.65 system-ui,sans-serif;color:var(--ink)}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--teal);background:var(--teal);color:white;border-radius:8px;min-height:44px;padding:10px 16px}button:disabled{opacity:.6;cursor:default}a{color:#006c77}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,main:focus-visible{outline:3px solid #db9b24;outline-offset:3px}h1{font-size:clamp(28px,4vw,43px);line-height:1.17;letter-spacing:-1px;margin:10px 0 16px}h2{font-size:23px;line-height:1.3}h3{font-size:17px;line-height:1.4}p{margin:10px 0 16px}.topbar{display:flex;align-items:center;gap:24px;justify-content:space-between;padding:20px 30px;background:var(--dark);color:white}.brand{font-size:23px;font-weight:850;color:white;text-decoration:none;letter-spacing:-.6px}.brand span{display:block;font-size:10px;letter-spacing:2px;color:#a4e5dd}.topbar nav{display:flex;gap:18px;font-size:13px}.topbar nav a{color:white}.mode,.tag{display:inline-block;border-radius:20px;padding:5px 10px;font-size:11px;font-weight:750;letter-spacing:.6px}.mode{border:1px solid #68b8b6;color:#c2eee7}.training-boundary{background:#e2f3f1;border-bottom:1px solid #cce3df;padding:12px 30px;font-size:12px}.layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:85vh}aside{padding:24px 16px;background:white;border-right:1px solid var(--line);position:sticky;top:0;max-height:100vh;overflow:auto;align-self:start}.side-link{display:block;width:100%;text-align:left;border:0;background:transparent;color:var(--ink);padding:11px 13px;font-size:13px;line-height:1.45;text-decoration:none;margin:3px 0;border-radius:7px}.side-link[aria-current=page],.side-link:hover{background:#e5f3f3;color:#00656b}.side-link small{display:block;color:var(--muted);font-size:11px}.side-note,.small{font-size:12px;color:var(--muted)}.side-note{padding:15px}main{max-width:1250px;width:100%;padding:32px 40px 80px;margin:0 auto}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:800;color:var(--teal)}.hero{background:linear-gradient(115deg,#102e42,#07666f);color:white;padding:32px;border-radius:16px;margin:22px 0}.hero p{max-width:750px;color:#d1e8ed}.hero .eyebrow{color:#9ce4d4}.hero button{background:#a7ebd9;color:#113b41;border-color:#a7ebd9}.panel,.module-card,.question{background:white;border:1px solid var(--line);padding:23px;border-radius:12px;margin:17px 0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.cards .panel,.cards .module-card{margin:0}.module-card{display:flex;flex-direction:column}.module-card button{margin-top:auto;align-self:flex-start}.module-card h2{font-size:20px}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0}.stat{padding:20px;background:white;border:1px solid var(--line);border-radius:12px}.stat strong{display:block;font-size:28px}.stat span{font-size:12px;color:var(--muted)}.actions,.tabs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0}.outline,.tab{background:white;color:var(--teal);border-color:#a9cbd0}.tab[aria-pressed=true]{background:var(--teal);color:white}.note{padding:17px 20px;background:#e6f2f4;border-left:4px solid var(--teal);border-radius:5px;margin:18px 0}.caution{background:#fff6e6;border-left-color:#b8791e}.tag{background:#e8f2f5;color:#3b6170}.complete-tag{background:#e1f4e8;color:#17633d}.progress{background:#dce9ed;height:8px;border-radius:9px;overflow:hidden;margin:12px 0}.progress span{display:block;height:100%;background:var(--teal)}.step-list li{padding:8px 0}.choices{display:grid;gap:9px}.choice{text-align:left;background:white;border:1px solid #afc8d1;color:var(--ink);width:100%}.choice:hover{background:#eef6f6}.choice.selected-wrong{border:2px solid #b9363a;background:#fff1f0}.choice.selected-correct{border:2px solid #238051;background:#eefaf2}.feedback{border-radius:8px;padding:17px;margin-top:16px;background:#edf8f0;border:1px solid #96cbae}.feedback.try-again{background:#fff6e9;border-color:#dcbd8a}.feedback p{margin:8px 0}.question h3{margin-top:0}.question .small{margin-bottom:9px}.scenario{border-left:4px solid #526ca4}.scenario ul{padding-left:22px}.terms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.terms dt{font-weight:800;color:#006b74}.terms dd{margin:8px 0}.terms div{background:white;border:1px solid var(--line);border-radius:10px;padding:20px}details{border:1px solid var(--line);border-radius:9px;padding:16px;background:white;margin:14px 0}summary{cursor:pointer;font-weight:750}.resource-use{color:var(--muted);font-size:13px}.checklist-reference li{padding:10px 0;border-bottom:1px solid var(--line)}.checklist-reference li:last-child{border:0}.checklist-reference p{font-size:13px;margin:6px 0}.summary-row{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}#training-status{position:fixed;bottom:20px;right:20px;padding:15px 20px;border-radius:10px;background:#153e4e;color:white;max-width:min(530px,calc(100vw - 32px));box-shadow:0 5px 20px #112d4033;z-index:20}#training-status[hidden]{display:none}.reset-box{border:2px solid #ad4650;background:#fff4f3;padding:20px;border-radius:9px}.download-link{display:inline-block;padding:10px 16px;border:1px solid #a9cbd0;border-radius:8px;font-size:14px}ul,ol{padding-left:24px}.source-line{font-size:12px;color:var(--muted)}@media(max-width:950px){.layout{grid-template-columns:1fr}aside{position:relative;max-height:none;border-right:0;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:6px;padding:12px}aside>.side-link{width:auto}#module-nav{width:100%;display:flex;overflow:auto;gap:6px}#module-nav .side-link{min-width:180px;margin:0}.side-note{display:none}main{padding:24px 20px 80px}.topbar{flex-wrap:wrap;padding:18px 20px}.topbar nav{flex-wrap:wrap}}@media(max-width:620px){.cards,.terms{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.hero{padding:23px}.training-boundary{padding:12px 20px}.panel,.question{padding:19px}.summary-row{display:block}.mode{font-size:10px}}
/* Training-only additions; production styles are unchanged. */
.practice-split{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:18px;align-items:start}.packet-panel{position:sticky;top:12px;max-height:90vh;overflow:auto}.checklist-panel{min-width:0}.checklist-panel iframe{width:100%;height:850px;border:1px solid var(--line);border-radius:12px;background:white}.training-document{background:white;border:2px solid #92adaf;padding:20px;margin:14px 0;overflow-wrap:anywhere}.watermark{font-weight:850;font-size:12px;letter-spacing:1px;color:#8a4050;border-block:2px solid #d7a5ae;padding:8px 0}.topic-jump{display:block;width:100%;text-align:left;margin:7px 0}label{display:block;font-weight:650;margin:12px 0}input,select{display:block;width:100%;padding:10px;border:1px solid #99afb9;border-radius:7px;background:white;color:var(--ink);font:inherit}#training-access-form{max-width:580px}.training-boundary{font-weight:600}button[aria-pressed=true]{box-shadow:0 0 0 2px #1b6e75}.source-line{overflow-wrap:anywhere}@media(max-width:1100px){.practice-split{grid-template-columns:1fr}.packet-panel{position:relative;max-height:none}.checklist-panel iframe{height:700px}}
.choice.selected-answer{border:2px solid var(--teal);background:#e8f4f4}

/* Keep navigation choices visible on additional rows. */
#module-nav{display:flex;flex-wrap:wrap;min-width:0;max-width:100%;overflow:visible;gap:6px}
#module-nav .side-link{flex:1 1 180px;min-width:0;max-width:100%;white-space:normal;overflow-wrap:anywhere}