@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@600;700&family=Nunito:wght@600;700;800;900&display=swap');
:root{--rn-bg:#07091a;--rn-card:#10152d;--rn-card2:#121b35;--rn-teal:#20e3c2;--rn-teal2:#8cefd4;--rn-purple:#7c3aed;--rn-gold:#e3a62f;--rn-red:#ff6b6b;--rn-muted:#b8c0d2}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 0%,rgba(18,168,149,.13),transparent 30%),radial-gradient(circle at 90% 10%,rgba(124,58,237,.16),transparent 28%),var(--rn-bg);color:#fff;font-family:Nunito,Arial,sans-serif}.dc-hero{padding:52px 20px 36px;border-bottom:1px solid rgba(140,239,212,.16)}.dc-wrap{max-width:1140px;margin:auto}.dc-kicker{font:900 11px/1.4 Nunito;letter-spacing:.13em;color:var(--rn-teal2);text-transform:uppercase}.dc-title{font:700 clamp(38px,6vw,68px)/.98 Fredoka;margin:10px 0 12px}.dc-sub{max-width:900px;font-size:18px;line-height:1.65;color:#d4d9e6}.dc-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.dc-chip{border:1px solid rgba(140,239,212,.22);background:rgba(17,26,49,.78);border-radius:999px;padding:8px 12px;font-weight:900;font-size:12px;color:#e7edf7}.dc-main{max-width:1500px;margin:auto;padding:28px 20px 80px}.dc-overview{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-bottom:24px}.dc-card{background:linear-gradient(145deg,rgba(16,21,45,.96),rgba(18,20,42,.96));border:1px solid #293653;border-radius:22px;padding:22px}.dc-card h2,.dc-card h3{font-family:Fredoka;margin-top:0}.dc-outcomes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.dc-outcome{padding:12px;border-radius:12px;background:rgba(32,227,194,.07);border:1px solid rgba(32,227,194,.14);color:#dfe9ee;font-size:13px}.dc-progress{height:10px;background:#171d37;border-radius:999px;overflow:hidden}.dc-progress>div{height:100%;background:linear-gradient(90deg,#12a895,#8cefd4);transition:width .25s}.dc-meta{display:flex;justify-content:space-between;color:#aeb6ca;font-size:12px;margin:8px 0 20px;font-weight:800}.dc-layout{display:grid;grid-template-columns:330px 300px minmax(0,1fr);gap:18px;align-items:start}.dc-nav{position:sticky;top:92px;background:#0d1228;border:1px solid #25314e;border-radius:18px;padding:12px;max-height:calc(100vh - 118px);overflow:auto}.dc-nav button{width:100%;text-align:left;border:1px solid transparent;background:transparent;color:#cbd3e5;padding:11px;border-radius:11px;margin:3px 0;cursor:pointer;font:800 12px/1.35 Nunito}.dc-nav button:hover{background:#111a31}.dc-nav button.active{border-color:rgba(32,227,194,.35);background:rgba(32,227,194,.08);color:#fff}.dc-nav button.done:after{content:' ✓';color:#8cefd4}.dc-lesson{background:linear-gradient(145deg,#10162d,#12142a);border:1px solid #2b3857;border-radius:24px;padding:clamp(22px,4vw,42px)}.dc-lesson h2{font:700 clamp(28px,4vw,44px)/1.05 Fredoka;margin:4px 0 8px}.dc-objective{color:var(--rn-teal2);font-weight:900;margin-bottom:22px}.dc-content{color:#dce1ed;font-size:16px;line-height:1.78}.dc-content h3{font:700 23px/1.2 Fredoka;color:#fff;margin:28px 0 9px}.dc-content p{margin:0 0 15px}.dc-content ul{padding-left:22px}.dc-callout{margin:18px 0;padding:16px;border-radius:14px;background:rgba(32,227,194,.08);border:1px solid rgba(32,227,194,.22)}.dc-warning{background:rgba(227,166,47,.08);border-color:rgba(227,166,47,.28)}.dc-stop{background:rgba(255,107,107,.08);border-color:rgba(255,107,107,.28)}.dc-activity{margin-top:24px;padding:20px;border-radius:17px;background:linear-gradient(145deg,rgba(124,58,237,.13),rgba(32,227,194,.06));border:1px solid rgba(124,58,237,.35)}.dc-activity h3{font-family:Fredoka;margin:0 0 8px}.dc-activity textarea{width:100%;min-height:92px;margin-top:10px;border:1px solid #3a4668;background:#090e20;color:#fff;border-radius:12px;padding:12px;font-family:Nunito;resize:vertical}.dc-check{margin-top:24px;border-top:1px solid #293653;padding-top:20px}.dc-check h3{font-family:Fredoka;font-size:23px;margin:0 0 10px}.dc-opt{display:block;width:100%;text-align:left;margin:8px 0;padding:12px 14px;border-radius:11px;border:1px solid #33415f;background:#0c1226;color:#fff;cursor:pointer;font-weight:800}.dc-opt.correct{border-color:var(--rn-teal);background:rgba(32,227,194,.12)}.dc-opt.wrong{border-color:var(--rn-red);background:rgba(255,107,107,.10)}.dc-feedback{min-height:28px;color:#ffd866;font-weight:900;margin-top:9px}.dc-actions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:22px}.dc-btn{border:0;border-radius:12px;padding:13px 18px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:7px}.dc-btn-primary{background:linear-gradient(135deg,#e3a62f,#ff7139);color:#fff}.dc-btn-secondary{background:#111a31;color:#8cefd4;border:1px solid #34506c}.dc-btn[disabled]{opacity:.45;cursor:not-allowed}.dc-ai{margin-top:28px;background:#11162d;border:1.5px solid rgba(124,58,237,.45);border-radius:18px;padding:20px}.dc-ai-head{display:flex;gap:10px;align-items:center;font-weight:900}.dc-ai small{color:#aeb6ca}.dc-ai-msgs{margin:12px 0;max-height:260px;overflow:auto}.dc-ai-msg,.dc-user-msg{padding:11px 13px;border-radius:12px;background:#211b48;margin:7px 0;max-width:88%;line-height:1.55}.dc-user-msg{margin-left:auto;background:#103c3a}.dc-ai-row{display:flex;gap:8px}.dc-ai-row input{flex:1;padding:12px;border-radius:10px;border:1px solid #364362;background:#090e20;color:#fff}.dc-ai-row button{border:0;border-radius:10px;background:#7c3aed;color:#fff;padding:11px 18px;font-weight:900}.dc-sources{margin-top:24px;padding:18px;border-radius:16px;background:#0d1328;border:1px solid #25314e;color:#aeb6ca;font-size:13px}.dc-sources a{color:#8cefd4}.dc-complete{padding:28px;text-align:center;background:linear-gradient(145deg,rgba(32,227,194,.12),rgba(124,58,237,.12));border:1px solid rgba(140,239,212,.25);border-radius:20px;margin-top:18px}.dc-complete h2{font:700 34px Fredoka;margin:0 0 8px}@media(max-width:880px){.dc-overview,.dc-layout{grid-template-columns:1fr}.dc-nav{position:static;max-height:none}.dc-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.dc-outcomes{grid-template-columns:1fr}}@media(max-width:560px){.dc-nav{grid-template-columns:1fr}.dc-main{padding-left:12px;padding-right:12px}.dc-hero{padding-left:14px;padding-right:14px}.dc-ai-row{flex-direction:column}}
/* RuthNel V3 depth + assessment polish */
.dc-note-help{display:block;margin-top:8px;color:#9ba6bc;font-weight:800;font-size:11px}.dc-final-intro{margin:18px 0 24px;padding:16px;border-radius:14px;background:rgba(227,166,47,.08);border:1px solid rgba(227,166,47,.25);color:#e6dfcb;line-height:1.65}.dc-final-q{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:20px 0;border-bottom:1px solid #283451}.dc-final-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#12a895,#7c3aed);font:900 15px Nunito;box-shadow:0 0 18px rgba(32,227,194,.18)}.dc-final-q p{margin:0 0 12px;line-height:1.55}.dc-final-result{margin-top:22px;padding:20px;border-radius:16px;background:linear-gradient(145deg,rgba(32,227,194,.10),rgba(124,58,237,.08));border:1px solid rgba(140,239,212,.24)}.dc-final-result h3{font:700 28px Fredoka;margin:0 0 6px}.dc-nav button.final-ready{border-color:rgba(227,166,47,.38);background:rgba(227,166,47,.07);color:#ffe19a}.dc-lesson{box-shadow:0 22px 70px rgba(0,0,0,.34),inset 0 1px rgba(255,255,255,.03)}.dc-content strong{color:#fff}.dc-content em{color:#d9cbff}.dc-activity{box-shadow:inset 0 0 28px rgba(124,58,237,.055)}
/* RuthNel V4 secure course delivery + premium lesson structure */
.dc-loading{display:flex;align-items:center;gap:24px;min-height:220px}.dc-loading img{width:125px;height:125px;object-fit:contain;filter:drop-shadow(0 0 30px rgba(32,227,194,.22))}.dc-gate{max-width:760px;margin:20px auto;padding:36px;text-align:center;border-radius:28px;background:linear-gradient(145deg,rgba(16,22,46,.98),rgba(26,17,57,.98));border:1px solid rgba(140,239,212,.25);box-shadow:0 30px 90px rgba(0,0,0,.42)}.dc-gate img{width:150px;height:150px;object-fit:contain;filter:drop-shadow(0 0 28px rgba(32,227,194,.25))}.dc-gate h1{font:700 clamp(32px,5vw,52px)/1.05 Fredoka;margin:10px 0}.dc-gate p{color:#cbd2df;line-height:1.7;font-size:17px}.dc-gate .dc-actions{justify-content:center}.dc-learning-note{color:#b8c0d2;font-size:13px;line-height:1.7}.dc-lesson-lead{margin:0 0 20px;padding:15px 17px;border-radius:14px;background:linear-gradient(135deg,rgba(32,227,194,.11),rgba(124,58,237,.08));border:1px solid rgba(140,239,212,.23);color:#e9fbf6;line-height:1.65}.dc-steps{display:grid;gap:10px;padding-left:0;counter-reset:rnstep}.dc-steps li{list-style:none;position:relative;padding:13px 14px 13px 52px;border-radius:14px;background:#0c1227;border:1px solid #2b3958;min-height:50px}.dc-steps li:before{counter-increment:rnstep;content:counter(rnstep);position:absolute;left:13px;top:12px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#12a895,#7c3aed);font-weight:900;color:#fff}.dc-recap{margin:22px 0 0;padding:17px;border-radius:15px;background:rgba(227,166,47,.07);border:1px solid rgba(227,166,47,.25);color:#e8dfca}.dc-recap ul{margin-bottom:0}.dc-content>h3{padding-top:2px}.dc-content>h3:before{content:'◆';font-size:10px;color:#20e3c2;margin-right:9px;vertical-align:middle}.dc-card{box-shadow:0 18px 50px rgba(0,0,0,.18)}.dc-outcome{min-height:58px;display:flex;align-items:center}.dc-ai{box-shadow:0 0 34px rgba(124,58,237,.08)}
@media(max-width:600px){.dc-loading{flex-direction:column;text-align:center}.dc-loading img,.dc-gate img{width:110px;height:110px}.dc-gate{padding:24px 18px}.dc-steps li{padding-left:48px}}
/* RuthNel V5 premium active-learning presentation */
.dc-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(7,31,42,.94),rgba(14,20,55,.96) 55%,rgba(42,18,86,.9))}.dc-hero:after{content:'';position:absolute;right:-90px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.25),rgba(32,227,194,.05) 48%,transparent 70%);pointer-events:none}.dc-title{max-width:960px;text-shadow:0 4px 24px rgba(0,0,0,.2)}.dc-chip{box-shadow:inset 0 1px rgba(255,255,255,.04)}
.dc-card{background:linear-gradient(145deg,rgba(12,20,42,.98),rgba(20,18,51,.98));border-color:rgba(140,239,212,.14)}
.dc-lesson{position:relative;overflow:hidden;border-color:rgba(104,183,255,.18);background:linear-gradient(150deg,#0d152d 0%,#12142b 48%,#10172d 100%)}.dc-lesson:before{content:'';position:absolute;right:-100px;top:-110px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(32,227,194,.07),transparent 68%);pointer-events:none}
.dc-objective{display:inline-block;padding:10px 14px;border-radius:12px;background:rgba(32,227,194,.07);border:1px solid rgba(32,227,194,.16)}
.dc-scenario{margin:16px 0 20px;padding:16px 18px;border-radius:14px;border-left:4px solid #68b7ff;background:rgba(104,183,255,.07);color:#dbe9ff;line-height:1.65}.dc-scenario strong{color:#9fd0ff}
.dc-task-badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:rgba(124,58,237,.18);border:1px solid rgba(185,154,255,.3);color:#d7c8ff;font:900 10px Nunito;letter-spacing:.12em}.dc-note-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:8px;flex-wrap:wrap}.dc-note-row small:last-child{font-weight:900;color:#ffce70}.dc-note-row small.ready{color:#8cefd4}.dc-mini,.dc-reflect{margin-top:13px;padding:13px 14px;border-radius:12px;line-height:1.55}.dc-mini{background:rgba(227,166,47,.07);border:1px solid rgba(227,166,47,.22);color:#f3dfad}.dc-reflect{background:rgba(104,183,255,.06);border:1px solid rgba(104,183,255,.17);color:#dbe9ff}.dc-complete-hint{margin-top:18px;text-align:right;color:#9fa9be;font-size:12px;font-weight:900}.dc-ai-head img{width:52px;height:52px;object-fit:contain;flex:none;filter:drop-shadow(0 0 14px rgba(32,227,194,.16))}.dc-ai-head strong{font:700 19px Fredoka}.dc-ai{background:linear-gradient(145deg,rgba(22,20,57,.95),rgba(12,24,45,.98));border-color:rgba(185,154,255,.35)}
.rn-course-shell{background:rgba(5,7,20,.96)!important;backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)!important}.rn-course-logo{width:64px!important;height:64px!important;object-fit:contain!important}.rn-course-title{font-size:14px!important;max-width:420px}.rn-course-actions a{white-space:nowrap}
@media(max-width:700px){.rn-course-title{display:none}.rn-course-logo{width:52px!important;height:52px!important}.rn-course-actions a{font-size:11px!important;padding:8px 9px!important}.dc-sub{font-size:16px}.dc-content{font-size:15px}.dc-note-row{align-items:flex-start}.dc-complete-hint{text-align:left}}

/* Public SEO/course summary: visible without JS; secure app hides it on startup. */
.rn-public-course-summary{background:linear-gradient(135deg,#081526,#16113d);border-bottom:1px solid rgba(140,239,212,.16);color:#fff;padding:28px 18px}.rn-public-course-summary-inner{max-width:1120px;margin:auto;display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center}.rn-public-course-summary img{width:110px;height:110px;object-fit:contain;filter:drop-shadow(0 0 22px rgba(32,227,194,.18))}.rn-public-course-summary h1{font:700 clamp(30px,5vw,48px)/1.05 Fredoka;margin:5px 0 8px}.rn-public-course-summary p{color:#cbd2df;line-height:1.65;margin:0 0 10px}.rn-public-course-summary ul{margin:8px 0 0;padding-left:20px;color:#dce1ed}.rn-summary-kicker{font:900 11px Nunito;letter-spacing:.10em;color:#8cefd4;text-transform:uppercase}@media(max-width:640px){.rn-public-course-summary-inner{grid-template-columns:1fr;text-align:center}.rn-public-course-summary img{margin:auto}.rn-public-course-summary ul{text-align:left}}
/* Correction 05 — unified premium Academy course experience */
.rn-course-shell-inner{max-width:1180px;min-height:78px}.rn-course-logo{width:70px!important;height:70px!important}.rn-course-title{font-family:Fredoka,Nunito,Arial,sans-serif!important;font-size:16px!important;letter-spacing:.01em}.dc-hero{padding-top:44px}.dc-main{padding-top:32px}.dc-overview{gap:22px}.dc-card,.dc-lesson,.dc-nav,.dc-ai{backdrop-filter:blur(10px)}.dc-nav{border-color:rgba(140,239,212,.14);box-shadow:0 18px 50px rgba(0,0,0,.2)}.dc-nav button{min-height:58px;padding:12px 13px}.dc-nav button.active{box-shadow:inset 3px 0 #20e3c2}.dc-lesson{min-height:620px}.dc-content{max-width:820px}.dc-content p{max-width:78ch}.dc-activity,.dc-check,.dc-ai{position:relative}.dc-activity:before,.dc-check:before,.dc-ai:before{position:absolute;top:-10px;left:18px;padding:3px 8px;border-radius:999px;background:#10152d;border:1px solid rgba(255,255,255,.08);font:900 9px/1 Nunito;letter-spacing:.12em}.dc-activity:before{content:'PRACTISE';color:#d7c8ff}.dc-check:before{content:'CHECK';color:#ffd866}.dc-ai:before{content:'ASK';color:#8cefd4}.dc-check{padding-top:26px}.dc-ai{padding-top:27px}.dc-opt{transition:transform .15s,border-color .15s,background .15s}.dc-opt:hover:not([disabled]){transform:translateY(-1px);border-color:rgba(140,239,212,.45)}.dc-btn{min-height:46px}.dc-sources{margin-top:30px}.rn-public-course-summary{display:none}
@media(max-width:700px){.rn-course-shell-inner{min-height:66px}.rn-course-logo{width:56px!important;height:56px!important}.dc-lesson{min-height:0}.dc-hero{padding-top:32px}}

/* Correction 100 — course readability, visibility and accessibility hardening */
html{scroll-padding-top:96px}
body{font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%}
.dc-content,.dc-card,.dc-lesson,.dc-activity,.dc-check,.dc-ai,.dc-sources{overflow-wrap:anywhere;word-break:normal}
.dc-content{color:#f0f3f9!important;font-size:17px!important;line-height:1.82!important;letter-spacing:.003em}
.dc-content p,.dc-content li{color:#eef2f8!important}
.dc-content li{margin:.35em 0}
.dc-content a,.dc-sources a{color:#9ff6e5;text-decoration-thickness:2px;text-underline-offset:3px}
.dc-content code,.dc-content pre{max-width:100%;overflow:auto;white-space:pre-wrap;word-break:break-word}
.dc-content table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}
.dc-content img,.dc-content video,.dc-content iframe{max-width:100%;height:auto}
.dc-objective{color:#b8fff0!important;line-height:1.65}
.dc-learning-note,.dc-meta,.dc-ai small,.dc-sources{color:#c8d0df!important}
.dc-activity textarea,.dc-ai-row input{font-size:16px!important;line-height:1.55;min-height:48px}
.dc-activity textarea{min-height:128px}
.dc-opt,.dc-btn,.dc-nav button{min-height:48px}
.dc-opt:focus-visible,.dc-btn:focus-visible,.dc-nav button:focus-visible,.dc-ai-row input:focus-visible,.dc-activity textarea:focus-visible{outline:3px solid #ffd866;outline-offset:3px}
.dc-feedback{min-height:32px;line-height:1.45}
.dc-final-q p{font-size:16px;color:#f4f6fb}
.dc-final-result p{color:#e8edf6;line-height:1.65}
.dc-nav button small{color:#aeb9cd}
.rn-course-actions a:focus-visible{outline:3px solid #ffd866;outline-offset:3px}
@media(max-width:700px){.dc-content{font-size:16px!important;line-height:1.76!important}.dc-title{font-size:clamp(34px,11vw,48px)!important}.dc-lesson{padding:22px 18px!important}.dc-card{padding:18px!important}.dc-nav button{font-size:13px!important}.dc-opt{padding:14px 13px}.dc-ai-row button{min-height:48px}}
@media(prefers-contrast:more){.dc-content,.dc-content p,.dc-content li{color:#fff!important}.dc-card,.dc-lesson,.dc-nav,.dc-ai{border-color:#64748b!important}.dc-chip,.dc-outcome{border-color:#8cefd4!important}}

/* AI Tutor left learning column — visual relocation only. The existing AI Tutor API/auth flow is unchanged. */

.dc-tutor-column{position:sticky;top:92px;align-self:start;overflow:visible;min-width:0}
.dc-tutor-column .dc-ai{margin-top:0;padding:18px;background:linear-gradient(145deg,#11162d,#151936);border:1.5px solid rgba(124,58,237,.5);box-shadow:0 0 34px rgba(124,58,237,.12)}
.dc-tutor-column .dc-ai-head{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;align-items:center;text-align:left}
.dc-tutor-column .dc-ai-head img{width:64px;height:64px;margin:0}
.dc-tutor-column .dc-ai-head strong{display:block;font-family:Fredoka;font-size:20px;line-height:1.1;margin-bottom:4px}
.dc-tutor-column .dc-ai-head small{display:block;font-size:11px;line-height:1.45;color:#c6ccda}
.dc-tutor-column .dc-ai-msgs{margin:14px 0;max-height:300px;overflow:auto;padding-right:3px}
.dc-tutor-column .dc-ai-msg,.dc-tutor-column .dc-user-msg{max-width:100%;font-size:13px;line-height:1.5;padding:11px 12px}
.dc-tutor-column .dc-ai-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}
.dc-tutor-column .dc-ai-row input{min-width:0}
.dc-tutor-column .dc-ai-row button{min-height:44px;white-space:nowrap}
@media(max-width:1280px){.dc-layout{grid-template-columns:300px 270px minmax(0,1fr)}.dc-main{max-width:1500px}.dc-tutor-column .dc-ai-head{grid-template-columns:54px minmax(0,1fr)}.dc-tutor-column .dc-ai-head img{width:54px;height:54px}}
@media(max-width:1080px){.dc-layout{grid-template-columns:280px minmax(0,1fr)}.dc-tutor-column{grid-column:1;grid-row:1;position:static}.dc-nav{grid-column:1;grid-row:2;position:sticky}.dc-lesson{grid-column:2;grid-row:1 / span 2}.dc-tutor-column .dc-ai-row{grid-template-columns:1fr}.dc-tutor-column .dc-ai-row button{width:100%}}
@media(max-width:880px){.dc-overview,.dc-layout{grid-template-columns:1fr}.dc-tutor-column,.dc-nav,.dc-lesson{grid-column:1;grid-row:auto}.dc-tutor-column,.dc-nav{position:static}.dc-nav{max-height:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.dc-outcomes{grid-template-columns:1fr}.dc-tutor-column .dc-ai-head{grid-template-columns:52px minmax(0,1fr)}.dc-tutor-column .dc-ai-head img{width:52px;height:52px}.dc-tutor-column .dc-ai-row{grid-template-columns:minmax(0,1fr) auto}.dc-tutor-column .dc-ai-row button{width:auto}}
@media(max-width:560px){.dc-nav{grid-template-columns:1fr}.dc-main{padding-left:12px;padding-right:12px}.dc-hero{padding-left:14px;padding-right:14px}.dc-tutor-column .dc-ai-row{grid-template-columns:1fr}.dc-tutor-column .dc-ai-row button{width:100%}}

/* 2026-10-02 final-review usability fix: keep each chosen answer visibly selected while the learner completes the review. */
.dc-opt.selected{border-color:#8cefd4;background:rgba(32,227,194,.10);box-shadow:inset 0 0 0 1px rgba(140,239,212,.20)}