:root{
  --bg:#f7efff;
  --bg-2:#ffeaf7;
  --surface:#ffffff;
  --surface-soft:#fff8fd;
  --ink:#291538;
  --muted:#6f5b7c;
  --plum:#4a235f;
  --fuchsia:#ff2ea6;
  --pink:#ff62c7;
  --violet:#853cff;
  --violet-deep:#6425d7;
  --gold:#f0ad26;
  --coral:#e94f70;
  --green:#2b8a57;
  --border:#e7c9f4;
  --border-strong:#d69bea;
  --shadow:0 18px 50px rgba(105,49,151,.12);
  --radius:22px;
  --content-max:1180px;
  --reading-max:860px;
}
*{box-sizing:border-box;}
html{font-size:18px;-webkit-text-size-adjust:100%;}
html,body{margin:0;padding:0;min-height:100%;}
body{
  background:
    radial-gradient(circle at 8% 3%, rgba(255,46,166,.17), transparent 30%),
    radial-gradient(circle at 92% 8%, rgba(133,60,255,.18), transparent 28%),
    linear-gradient(145deg,var(--bg-2) 0%,var(--bg) 45%,#f3f0ff 100%);
  color:var(--ink);
  font-family:Inter, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  min-height:100vh;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;}
button{touch-action:manipulation;}
h1,h2,h3,.display{letter-spacing:-.025em;line-height:1.12;color:var(--ink);}
h1{font-size:clamp(2.35rem,4vw,3.55rem);margin:.25em 0 .42em;font-weight:850;}
h2{font-size:clamp(1.65rem,2.5vw,2.25rem);}
h3{font-size:1.25rem;}
p,li{font-size:1.08rem;}
.lead{font-size:1.24rem;line-height:1.6;max-width:48rem;}
.mono{font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;}
.muted{color:var(--muted);opacity:1;}
.eyebrow{font-size:.82rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase;color:var(--fuchsia);}
#app{max-width:var(--content-max);margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:24px clamp(18px,4vw,52px) 72px;}

header.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 4px 22px;border-bottom:2px solid rgba(214,155,234,.52);margin-bottom:30px;flex-wrap:wrap;
}
.brand{font-size:clamp(1.32rem,2vw,1.72rem);font-weight:900;display:flex;align-items:center;gap:8px;white-space:nowrap;}
.brand-name{background:linear-gradient(90deg,var(--fuchsia),#ff65ce);-webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-rest{color:var(--plum);}
.brand-dot{width:17px;height:17px;border-radius:50%;background:radial-gradient(circle at 30% 28%,#ffc5eb 0%,var(--fuchsia) 42%,var(--violet) 100%);box-shadow:0 0 0 5px rgba(255,46,166,.1),0 0 22px rgba(255,46,166,.45);flex-shrink:0;}
.home-link{background:#fff;border:2px solid var(--border);color:var(--plum);font-weight:800;font-size:1rem;cursor:pointer;padding:12px 18px;border-radius:999px;min-height:48px;}
.home-link:hover,.home-link:focus-visible{border-color:var(--fuchsia);outline:none;}

.sync-tag{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.78rem;padding:8px 12px;border-radius:999px;border:2px solid var(--border);background:rgba(255,255,255,.82);color:var(--plum);font-weight:700;}
.sync-tag.synced{border-color:#8ad8ad;color:#176e42;}
.sync-tag.warn{border-color:#f1a7b9;color:#a73553;}
.sync-tag.local{border-color:#dbaeea;color:#7c3c94;}

.card,.card-dark{border-radius:var(--radius);padding:clamp(24px,4vw,42px);margin-bottom:20px;}
.card{background:rgba(255,255,255,.96);color:var(--ink);border:2px solid rgba(231,201,244,.88);box-shadow:var(--shadow);}
.card-dark{background:linear-gradient(145deg,#4a235f,#342044);color:#fff;border:2px solid rgba(255,255,255,.11);box-shadow:0 16px 38px rgba(52,32,68,.16);}
.card-dark h1,.card-dark h2,.card-dark h3,.card-dark p{color:inherit;}
.card-dark .muted{color:#e6d9ed;}
.assessment-card{max-width:var(--reading-max);width:100%;margin-left:auto;margin-right:auto;text-align:center;}
.banner-due{border-color:#ff7f9f;}
.section-purpose{max-width:var(--reading-max);margin:0 auto 16px;padding:16px 20px;background:#fff;border:2px solid var(--border);border-radius:16px;color:var(--plum);font-size:1rem;}
.parent-panel{max-width:var(--reading-max);margin-left:auto;margin-right:auto;}

.btn{font-weight:800;font-size:1.08rem;border-radius:16px;border:none;padding:17px 24px;min-height:58px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:transform .08s ease,box-shadow .15s ease,border-color .15s ease;}
.btn:active{transform:scale(.985);}
.btn:focus-visible,.choice-btn:focus-visible,.module-row:focus-visible{outline:4px solid rgba(255,46,166,.22);outline-offset:3px;}
.btn-primary{background:linear-gradient(100deg,var(--fuchsia) 0%,#d936d8 45%,var(--violet) 100%);color:#fff;box-shadow:0 13px 28px rgba(212,54,210,.23);}
.btn-primary:hover{box-shadow:0 17px 34px rgba(212,54,210,.31);}
.btn-ghost{background:#fff;color:var(--plum);border:2px solid var(--border-strong);}
.btn-ghost:hover{border-color:var(--fuchsia);}
.btn-block{width:100%;}
.btn-lg{padding:21px 26px;min-height:68px;font-size:1.22rem;}
.btn:disabled{opacity:.42;cursor:not-allowed;}
.btn-correct{background:#24784a;color:#fff;}
.btn-incorrect{background:#a73957;color:#fff;}
.understand-btn{max-width:var(--reading-max);margin:18px auto 0;}

.listen-btn{background:#3c2450;color:#fff;border:2px solid #7a4b97;border-radius:999px;padding:13px 20px;min-height:52px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font-size:1rem;margin-top:12px;}
.listen-btn:hover{border-color:#ff75cb;}
.listen-inline{cursor:pointer;font-size:1.55rem;}

.module-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.module-row{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.94);border:2px solid var(--border);border-radius:18px;padding:20px 22px;min-height:76px;cursor:pointer;box-shadow:0 8px 22px rgba(97,45,130,.06);}
.module-row:hover{border-color:var(--fuchsia);transform:translateY(-1px);}
.module-title{font-weight:850;font-size:1.05rem;color:var(--plum);}

.word-display{font-weight:900;font-size:clamp(3rem,8vw,5.25rem);line-height:1.05;text-align:center;padding:36px 10px;color:var(--plum);letter-spacing:.01em;}
.question-display{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:820;line-height:1.35;text-align:center;margin:12px auto 22px;max-width:46rem;color:var(--ink);}
.item-counter{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;color:#7b6488;text-align:center;margin-bottom:14px;font-weight:700;}
.instructions{font-size:1.18rem;line-height:1.6;margin-bottom:18px;}

.choice-grid,.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:16px auto 0;max-width:var(--reading-max);width:100%;}
.choice-grid.single{grid-template-columns:1fr;}
.choice-btn{background:#fff;color:var(--ink);border:3px solid var(--border);border-radius:18px;padding:20px 18px;min-height:72px;font-size:1.18rem;font-weight:850;cursor:pointer;text-align:center;box-shadow:0 7px 20px rgba(96,51,123,.05);}
.choice-btn:hover{border-color:var(--fuchsia);}
.large-choice{font-size:1.3rem;min-height:78px;}
.choice-btn.selected-choice{border-color:var(--violet);background:#f1e9ff;}
.choice-btn.selected-correct{border-color:#4cb37a;background:#edf9f2;}
.choice-btn.selected-incorrect{border-color:#e46a87;background:#fff0f4;}

.passage-box{font-size:1.32rem;line-height:1.85;background:#fff;color:var(--ink);padding:30px;border-radius:18px;border:2px solid var(--border);max-width:var(--reading-max);margin:0 auto;box-shadow:var(--shadow);}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.row-gap{display:flex;gap:14px;flex-wrap:wrap;}
.tag{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;padding:7px 11px;border-radius:999px;background:#4a235f;color:#fff;border:1px solid #6f4585;}
.tag.weak{border-color:#ff8ca7;color:#ffdbe4;}
.tag.strong{border-color:#8fe1b2;color:#d8f8e5;}
.stopwatch{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:2.8rem;text-align:center;padding:10px 0;}
.skillbar-row{margin-bottom:16px;}
.skillbar-label{display:flex;justify-content:space-between;gap:12px;font-size:1rem;margin-bottom:7px;font-weight:800;}
.skillbar-track{height:16px;background:#eadcf1;border-radius:10px;overflow:hidden;border:1px solid #d9bee5;}
.skillbar-fill{height:100%;}

.error-dropdown,.number-input{width:100%;padding:14px 15px;min-height:54px;border-radius:13px;border:2px solid var(--border-strong);background:#fff;color:var(--ink);font-size:1rem;margin-top:7px;}
.card-dark .error-dropdown,.card-dark .number-input{background:#fff;color:var(--ink);}
.checkbox-row{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:1rem;}
.empty-state{text-align:center;padding:42px 20px;color:var(--muted);}

.observation-tray{max-width:var(--reading-max);width:100%;margin:20px auto 0;background:rgba(255,255,255,.86);border:2px dashed var(--border-strong);border-radius:18px;padding:14px 18px;color:var(--plum);}
.observation-tray summary{font-size:1rem;font-weight:850;cursor:pointer;min-height:44px;display:flex;align-items:center;}
.observation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:14px 0 4px;}
.observation-grid label{font-size:.94rem;font-weight:800;}

/* The welcome page uses the available screen instead of a small floating box. */
#app>div:first-of-type:has(.eyebrow){width:100%;}
#app>div:first-of-type:has(.eyebrow)>.card{min-height:min(58vh,610px);display:flex;flex-direction:column;justify-content:center;padding:clamp(34px,7vw,78px);background:
  radial-gradient(circle at 90% 12%,rgba(133,60,255,.11),transparent 30%),
  radial-gradient(circle at 7% 90%,rgba(255,46,166,.09),transparent 34%),#fff;}

@media (max-width:820px){
  html{font-size:18px;}
  #app{padding:18px 18px 58px;}
  header.topbar{padding-bottom:18px;margin-bottom:22px;}
  .module-list{grid-template-columns:1fr;}
  .observation-grid{grid-template-columns:1fr;}
  .card,.card-dark{padding:26px 22px;}
  .choice-btn{font-size:1.18rem;min-height:76px;}
}
@media (max-width:560px){
  html{font-size:17px;}
  .brand{font-size:1.18rem;white-space:normal;}
  .brand-dot{width:15px;height:15px;}
  .choice-grid,.support-grid{grid-template-columns:1fr;}
  .word-display{font-size:3.1rem;}
  .question-display{font-size:1.55rem;}
  .btn{font-size:1.05rem;min-height:60px;}
  .btn-lg{font-size:1.14rem;min-height:68px;}
  .passage-box{font-size:1.2rem;padding:22px;}
}
@media print{
  body{background:#fff;color:#000;}
  header.topbar,.btn,.listen-btn,.observation-tray{display:none!important;}
  .card,.card-dark{background:#fff!important;color:#000!important;border:1px solid #bbb!important;box-shadow:none!important;}
}

.checkpoint-row{display:grid;grid-template-columns:minmax(180px,1fr) minmax(240px,1.2fr);gap:16px;align-items:center;padding:10px 0;}
.checkpoint-row label{font-weight:800;}
@media(max-width:700px){.checkpoint-row{grid-template-columns:1fr;gap:6px;}}