@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--ink:#172b50;--muted:#687b98;--paper:#f4f7fc;--line:#e1e8f3;--green:#2358de;--lime:#dce8ff;--gold:#7da5ff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px 'DM Sans',Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}aside{position:fixed;inset:0 auto 0 0;width:235px;background:#102b64;color:#edf3ff;padding:38px 24px;display:flex;flex-direction:column;z-index:5}.brand{text-decoration:none;font-size:29px;font-weight:600;display:block}.mark{display:inline-grid;place-items:center;background:var(--lime);color:#2358de;border-radius:13px;width:39px;height:43px;font-family:Georgia;margin-right:7px}.brand-sub{display:block;letter-spacing:3px;font-size:9px;margin:12px 0 0 52px;opacity:.65}.nav-caption{margin:60px 12px 18px;font-size:10px;letter-spacing:2px;opacity:.5}nav{display:grid;gap:7px}nav a{text-decoration:none;padding:14px;border-radius:8px;display:flex;align-items:center;gap:12px;color:#bacbef}nav a.active{background:#2358de;color:white}nav a span{width:21px;font-size:20px}.sidebar-foot{margin-top:auto;border-top:1px solid #355084;padding:25px 12px 0}.sidebar-foot p{font-family:Georgia;line-height:1.7;font-size:17px}.tiny-leaf{color:#9fbfff;font-size:27px}.text-button{border:0;background:none;padding:8px 0;display:block;color:inherit;font-size:12px;opacity:.8}.shell{margin-left:235px}header{height:92px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 48px;font-size:13px;color:var(--muted)}header>div{display:flex;align-items:center;gap:20px}.badge{font-size:9px;letter-spacing:1.4px;border:1px solid #d7e3f6;padding:7px 9px;border-radius:5px}.avatar{display:grid;place-items:center;background:#dce8ff;border-radius:50%;width:35px;height:35px;font-size:11px;color:#2358de}main{max-width:1280px;margin:auto;padding:42px 48px 70px}h1,h2,h3,p{margin-top:0}h1{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;font-size:48px;line-height:1.08;margin-bottom:15px}h2{font-family:Georgia;font-weight:400;font-size:25px}h3{font-size:16px}p{line-height:1.6}.muted{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;text-transform:uppercase;margin-bottom:15px}.page-heading{margin-bottom:30px}.hero{position:relative;overflow:hidden;background:#e3edff;border-radius:15px;padding:39px 40px;min-height:268px;margin-bottom:25px;display:flex;justify-content:space-between}.hero-text{max-width:64%;z-index:1}.hero h1{font-size:49px;max-width:440px}.hero p{font-size:13px;max-width:350px;color:#536d96}.hero svg{width:240px;position:absolute;right:24px;bottom:-15px;opacity:.9}.btn{background:var(--green);color:white;padding:13px 20px;border-radius:7px;border:1px solid transparent;display:inline-flex;gap:12px;align-items:center;text-decoration:none;font-size:13px;font-weight:500}.btn:hover{filter:brightness(1.1)}.btn.secondary{background:transparent;border-color:#cbd9ef;color:var(--ink)}.btn:disabled{opacity:.4;cursor:not-allowed}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.stat{border:1px solid var(--line);background:#ffffff;padding:21px;border-radius:10px}.stat label{font-size:11px;color:var(--muted);display:block;margin-bottom:14px}.stat strong{font-family:Georgia;font-weight:400;font-size:32px}.stat small{font-size:11px;color:var(--muted);margin-left:5px}.two-col{display:grid;grid-template-columns:1.35fr 1fr;gap:25px}.panel{background:#ffffff;border:1px solid var(--line);border-radius:12px;padding:26px}.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.panel-header h2{margin:0;font-size:21px}.panel-header span{font-size:10px;color:var(--muted)}.task{display:flex;gap:16px;align-items:center;padding:17px 0;border-top:1px solid var(--line);text-decoration:none}.task:first-of-type{border-top:0}.task .num{border:1px solid #d7e3f6;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-size:11px}.task p{margin:0;font-size:13px}.task small{font-size:11px;color:var(--muted)}.task b{margin-left:auto;font-size:20px;font-weight:400}.chart{height:125px;display:flex;align-items:end;gap:12px;padding-top:15px}.chart>div{flex:1;text-align:center;font-size:9px;color:var(--muted)}.bar{display:block;background:#5280e5;width:100%;border-radius:3px 3px 0 0;margin-bottom:8px;min-height:2px}.tabs{display:flex;gap:4px;background:#edf2fb;border-radius:5px;padding:3px}.tabs button{border:0;background:transparent;font-size:10px;padding:5px 8px;border-radius:3px}.tabs button.on{background:white}.note{font-size:11px;line-height:1.6;color:var(--muted);margin:20px 0 0}.session{max-width:780px;margin:auto}.session-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);margin-bottom:18px}.progress{height:4px;background:#e2eaf8;margin:12px 0 24px;border-radius:10px;overflow:hidden}.progress i{display:block;height:100%;background:#3770ed}.flashcard{background:#ffffff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 30px #244b9010;text-align:center;min-height:340px;padding:35px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.flashcard .phrase{font-family:Georgia;font-size:35px;line-height:1.4;margin:16px 0}.flashcard .answer{font-size:22px;color:#496b9d;border-top:1px solid var(--line);padding:22px 10px 0;width:100%;margin-top:10px}.flashcard .examples{width:100%}.example{padding:14px;border-bottom:1px solid var(--line)}.example:last-child{border:0}.example .phrase{font-size:23px;margin:6px 0}.example .answer{font-size:17px;border:0;padding:0;margin:6px}.pill{font-size:9px;letter-spacing:1.5px;border:1px solid #dce5f5;border-radius:20px;padding:6px 10px;display:inline-block;color:#5c76a3}.bulb{position:absolute;right:18px;top:18px;border:0;background:#f2e9bf;width:37px;height:37px;border-radius:50%;font-size:19px}.audios{display:flex;gap:10px;margin-top:22px}.audios button{background:#edf3ff;border:0;border-radius:30px;padding:10px 15px;font-size:12px;color:#2855a4}.actions{display:flex;gap:12px;justify-content:center;margin-top:24px;flex-wrap:wrap}.rating{border:1px solid transparent;padding:14px 24px;border-radius:8px;font-size:13px}.rating.red{background:#f4dfd8;color:#954b38}.rating.yellow{background:#f2e9c9;color:#8c7538}.rating.green{background:#dfe9d6;color:#466340}.under{text-align:center;margin-top:18px;font-size:11px;color:var(--muted)}.vocab-row{border-bottom:1px solid var(--line);padding:15px 0;display:flex;gap:15px;align-items:center}.vocab-row:last-child{border:0}.vocab-row .id{font-size:10px;color:#9a9f91;min-width:23px}.vocab-row p{margin:0;font-size:15px}.vocab-row small{font-size:12px;color:var(--muted)}.vocab-row button{margin-left:auto;border:1px solid var(--line);background:none;border-radius:6px;padding:9px 12px}.search{padding:12px 15px;border:1px solid var(--line);background:#ffffff;border-radius:7px;width:100%;margin:0 0 18px}.dialog-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dialog-card{background:#ffffff;border:1px solid var(--line);border-radius:12px;padding:25px}.dialog-card.locked{opacity:.55}.dialog-card .motif{font-size:24px;color:#4175d8;margin-bottom:25px}.dialog-card p{font-size:12px;color:var(--muted);min-height:35px}.phase{display:flex;gap:6px;margin-bottom:20px}.phase span{height:5px;flex:1;background:#e1e9f8;border-radius:4px}.phase span.done{background:#4278e9}.dialog-lines{max-height:310px;overflow:auto;text-align:left;width:100%;margin-top:18px}.line{padding:10px 0;display:flex;gap:10px;font-size:14px}.line span{font-size:9px;color:var(--muted);min-width:23px}.line:nth-child(even){margin-left:25px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:4px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}td,th{padding:14px 10px;border-bottom:1px solid var(--line);text-align:left}th{color:var(--muted);font-weight:400;font-size:10px}textarea{width:100%;padding:15px;border:1px solid var(--line);border-radius:6px;min-height:100px}footer{padding:20px 48px;border-top:1px solid var(--line);font-size:10px;color:#7585a0}dialog{border:1px solid var(--line);border-radius:15px;max-width:510px;width:calc(100% - 30px);padding:36px;color:var(--ink);background:#ffffff;max-height:85vh}dialog::backdrop{background:#11264e80;backdrop-filter:blur(3px)}.close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:25px;color:var(--muted)}dialog h2{font-size:30px}dialog p{font-size:14px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#183a7c;color:white;padding:12px 20px;border-radius:7px;z-index:20;display:none;font-size:12px}.notice{border:1px solid #d7e4fa;background:#edf3ff;border-radius:7px;padding:12px 15px;font-size:12px;margin-bottom:22px}.empty{text-align:center;padding:40px}.green-text{color:#2c62cd}button:focus-visible,a:focus-visible{outline:3px solid #4c84ff;outline-offset:3px}@media(min-width:1450px){main{padding-top:55px}}@media(max-width:1000px){aside{width:190px;padding:30px 15px}.shell{margin-left:190px}header{padding:0 28px}main{padding:32px 28px}.hero svg{right:0;width:195px}.hero h1{font-size:41px}.stat{padding:16px}.two-col{grid-template-columns:1fr}.hero-text{max-width:72%}}@media(max-width:650px){aside{inset:auto 0 0;width:auto;height:72px;padding:0;background:#102b64}.brand,.nav-caption,.sidebar-foot{display:none}nav{display:flex;height:100%;justify-content:space-around;gap:0}nav a{flex:1;padding:8px 2px;display:flex;flex-direction:column;justify-content:center;gap:4px;border-radius:0;font-size:9px}nav a span{font-size:20px;text-align:center}.shell{margin:0;padding-bottom:72px}header{height:65px;padding:0 20px}.badge{font-size:8px;padding:5px}.avatar{display:none}main{padding:25px 18px 40px}.hero{padding:25px;min-height:280px}.hero h1{font-size:37px}.hero-text{max-width:88%}.hero p{max-width:230px}.hero svg{width:160px;right:-35px;opacity:.3}.stats{grid-template-columns:1fr 1fr;gap:10px}.stat strong{font-size:28px}h1{font-size:38px}.dialog-grid{grid-template-columns:1fr}.panel{padding:21px}.flashcard{padding:35px 20px;min-height:330px}.flashcard .phrase{font-size:29px}.rating{padding:13px 18px}.example .phrase{font-size:22px}footer{padding:20px;font-size:9px}.two-col{gap:15px}.page-heading{margin-bottom:20px}}
.unlock-symbol{font-size:45px;margin-bottom:20px}.unlock-card h2{font-size:27px;margin:0 0 12px}.unlock-card p{font-size:13px}.unlock-card .btn{margin-top:14px}.listening-symbol{width:78px;height:78px;border-radius:50%;background:#e3edff;display:grid;place-items:center;font-size:40px;color:#3467ce;margin:24px 0}.listening-copy{max-width:440px;font-size:14px}.listen-track{height:5px;border-radius:6px;background:#e1e9f8;width:85%;overflow:hidden;margin:12px 0 4px}.listen-track i{height:100%;background:#3770ed;display:block;width:0;transition:width .2s}.voice-label{display:block;margin-top:20px;font-size:12px}.voice-label select{display:block;width:100%;padding:10px;margin:8px 0;border:1px solid var(--line);border-radius:6px;background:#f5f8ff}.audios{flex-wrap:wrap;justify-content:center}.session-top{gap:12px}.flashcard h2{margin-top:10px}@media(max-width:650px){nav a{font-size:8px}nav a span{font-size:18px}.listening-symbol{margin-top:15px}.unlock-card{min-height:370px}}

.storage-warning{margin:15px 48px 0;padding:14px 18px;border:1px solid #d5a76d;background:#fff0d6;color:#6b4c2c;border-radius:7px;font-size:12px}.storage-warning[hidden]{display:none}#pilot-feedback{margin-top:12px}@media(max-width:650px){.storage-warning{margin:15px 18px 0}}

/* Digital blue direction — shared across learning and dashboard. */
h1,h2,.hero h1,.stat strong,.flashcard .phrase,.sidebar-foot p{font-family:'DM Sans',Arial,sans-serif}h1{font-weight:700;letter-spacing:-1.7px;font-size:43px}h2{font-weight:600;letter-spacing:-.6px}.hero h1{font-size:46px;letter-spacing:-1.8px}.hero{background:linear-gradient(115deg,#e9f1ff,#dbe8ff);border:1px solid #d6e4ff;border-radius:22px;min-height:290px}.hero svg{opacity:.55;width:260px;right:30px;bottom:-12px}.hero svg g:first-child{stroke:#5783da}.hero svg g:last-child{fill:#8cacEC}.hero:after{content:'';position:absolute;width:250px;height:250px;border:1px solid #c5d7fa;border-radius:50%;right:-55px;top:-90px}.brand{font-weight:700;letter-spacing:-1px}.mark{background:#fff;color:#2358de;border-radius:12px}.brand-sub{letter-spacing:3px}.btn{border-radius:11px;font-weight:600;box-shadow:0 4px 10px #2358de18}.btn.secondary{box-shadow:none;background:#fff}nav a{border-radius:11px}nav a:hover{background:#28477e;color:#fff}nav a.active{box-shadow:0 4px 12px #071f5730}.panel,.stat,.dialog-card{border-radius:16px;box-shadow:0 3px 16px #244b9005}.stat strong{font-weight:600;letter-spacing:-1px}.task .num{background:#edf3ff;color:#2358de;border:0;border-radius:10px}.flashcard{border-radius:22px;box-shadow:0 12px 36px #244b900a}.flashcard .phrase{font-weight:600;letter-spacing:-.6px}.audios button{border:1px solid #dce7fc}.rating{font-weight:600;border-radius:12px}.bar{background:linear-gradient(#6795ff,#2358de);border-radius:5px 5px 0 0}.badge{background:#edf3ff;color:#3864ad;border-color:#dae6fb}header{background:#ffffffb3}.tabs{border-radius:8px}.tabs button{border-radius:6px}.tabs button.on{color:#2358de;box-shadow:0 1px 5px #1238750d}.search{background:#fff}button:focus-visible,a:focus-visible{outline-color:#4c84ff}@media(max-width:650px){.hero{min-height:290px;padding:25px}.hero h1{font-size:35px;letter-spacing:-1.1px}.hero svg{width:180px;right:-35px;opacity:.25}h1{font-size:34px}.stat strong{font-size:28px}.flashcard .phrase{font-size:29px}aside{border-top:1px solid #29477e}nav a{border-radius:0}nav a.active{background:#2358de}}
/* Installed app: safe areas and comfortable touch controls. */
.install-link{background:#edf3ff;color:#2358de;border:1px solid #d7e4fa;border-radius:9px;min-height:40px;padding:8px 12px;font-size:12px;font-weight:600}.install-link[hidden]{display:none}.install-icon{width:72px;height:72px;border-radius:16px;margin:4px 0 15px}dialog ol{padding-left:22px;line-height:1.7}dialog li{margin-bottom:10px}body{min-height:100dvh}header{padding-top:env(safe-area-inset-top);height:calc(92px + env(safe-area-inset-top))}dialog{overscroll-behavior:contain}button,input,select,textarea{touch-action:manipulation}@media(max-width:650px){aside{height:calc(72px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.shell{padding-bottom:calc(72px + env(safe-area-inset-bottom))}header{height:calc(65px + env(safe-area-inset-top));padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}header>div{gap:8px}.badge{display:none}.install-link{font-size:11px}.audios button,.vocab-row button,.close{min-height:44px;min-width:44px}.rating,.btn{min-height:44px}input,select,textarea{font-size:16px}main{padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}.session-top{flex-wrap:wrap}.panel-header{gap:10px;flex-wrap:wrap}}@media(display-mode:standalone){[data-install]{display:none}}

#account-gate{position:fixed;inset:0;z-index:100;background:#f4f7fc;display:grid;place-items:center;padding:25px;overflow:auto}#account-gate[hidden],[data-admin][hidden]{display:none!important}.account-card{width:100%;max-width:560px;background:white;border:1px solid #dce7fb;padding:35px;border-radius:22px;box-shadow:0 15px 50px #183a7c12}.account-card img{border-radius:14px;margin-bottom:20px}.account-card h1{font-size:30px;letter-spacing:-1px}.account-card .actions{justify-content:flex-start}.account-bar{padding:12px 48px;background:#edf3ff;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11px;color:#456696}.account-bar span{overflow-wrap:anywhere}@media(max-width:650px){.account-bar{padding:12px 18px}.account-card{padding:25px}header>div{gap:6px}.account-card h1{font-size:27px}}

.account-logout{border:0;background:none;color:#456696;font-size:11px;padding:8px;min-height:40px;cursor:pointer}

.course-audio-controls{position:fixed;left:50%;transform:translateX(-50%);bottom:120px;z-index:1200;width:min(92vw,460px);padding:16px;border:1px solid #cbd7eb;border-radius:18px;background:#fff;box-shadow:0 8px 32px #102b6433}.course-audio-controls[hidden]{display:none}.course-audio-controls p{margin:0 0 10px;color:#172b50}.course-audio-controls audio{display:block;width:100%}

@media(max-width:900px){#toast{bottom:calc(110px + env(safe-area-inset-bottom));max-width:calc(100vw - 32px);width:max-content;text-align:center;z-index:1300}}