:root{
  --bg:#f7f2e9;--surface:#fffdf8;--surface-2:#f0e7d8;--text:#17252d;--muted:#6d756f;
  --line:#dfd6c7;--navy:#0b2b3b;--gold:#c9943e;--teal:#2e6d70;--success:#2f7d55;
  --danger:#9b3f3f;--shadow:0 10px 28px rgba(24,30,27,.08);--radius:20px
}
html[data-theme="dark"]{
  --bg:#0f171c;--surface:#172229;--surface-2:#202f37;--text:#f5f0e6;--muted:#aeb7b0;
  --line:#33454e;--navy:#84b8c7;--gold:#e1b665;--teal:#6db0b0;--success:#76bd92;
  --danger:#e18d8d;--shadow:none
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--gold) 60%,transparent);outline-offset:2px}
.app-shell{max-width:980px;margin:0 auto;padding:0 14px calc(88px + env(safe-area-inset-bottom))}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:max(10px,env(safe-area-inset-top)) 2px 10px;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-logo{width:48px;height:48px;object-fit:contain}
.brand-copy{display:flex;align-items:baseline;gap:7px;min-width:0}
.brand-copy strong{font-family:Georgia,"Times New Roman",serif;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-copy span{font-size:.95rem;color:var(--gold);font-weight:800}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:1.35rem}
.hidden{display:none!important}
.status-banner{margin:8px 0 14px;padding:10px 12px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);font-size:.9rem}
.loading-view{display:grid;place-items:center;min-height:55vh;color:var(--muted)}
.loader{width:42px;height:42px;border-radius:50%;border:4px solid var(--surface-2);border-top-color:var(--gold);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.error-card,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.error-card{padding:24px;margin-top:24px}
.page{display:none}
.page.active{display:block}
.page-heading,.day-hero{display:flex;justify-content:space-between;gap:18px;align-items:center;margin:10px 0 16px}
.page-heading h1,.day-hero h1{font-family:Georgia,"Times New Roman",serif;margin:.15rem 0 .3rem;line-height:1.08}
.day-hero h1{font-size:clamp(1.8rem,5vw,2.7rem)}
.eyebrow,.kicker{font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:var(--teal);font-weight:800}
.muted{color:var(--muted)}
.progress-ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--gold) var(--progress,0%),var(--surface-2) 0);flex:0 0 auto;position:relative}
.progress-ring:before{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--surface)}
.progress-ring>div{position:relative;display:grid;text-align:center}
.progress-ring strong{font-size:1.05rem}
.progress-ring span{font-size:.68rem;color:var(--muted)}
.day-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;margin-bottom:14px}
.day-nav button:last-child{justify-self:stretch}
.btn{min-height:44px;border-radius:12px;border:1px solid var(--line);padding:10px 14px;background:var(--surface);color:var(--text);font-weight:700}
.btn.primary{background:var(--navy);color:#fff;border-color:transparent}
html[data-theme="dark"] .btn.primary{color:#081216;background:var(--gold)}
.btn.soft{background:var(--surface-2)}
.btn.ghost{background:transparent}
.card{padding:18px;margin:14px 0}
.accent-card{border-left:5px solid var(--gold)}
.info-card{border-left:5px solid var(--teal)}
.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}
.section-heading h2{font-family:Georgia,"Times New Roman",serif;margin:.1rem 0;font-size:1.35rem}
.reading-checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:9px}
.reading-check{display:flex;align-items:center;gap:10px;padding:11px;border:1px solid var(--line);border-radius:13px;background:var(--bg)}
.reading-check input{width:20px;height:20px;accent-color:var(--teal)}
.reading-check.done{border-color:color-mix(in srgb,var(--success) 55%,var(--line));background:color-mix(in srgb,var(--success) 8%,var(--surface))}
.study-tabs{display:flex;gap:7px;overflow-x:auto;padding:3px 0 7px;scrollbar-width:none;position:sticky;top:66px;z-index:20;background:color-mix(in srgb,var(--bg) 93%,transparent);backdrop-filter:blur(12px)}
.study-tabs::-webkit-scrollbar{display:none}
.study-tab{white-space:nowrap;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);padding:9px 13px;font-weight:700}
.study-tab.active{background:var(--navy);color:#fff;border-color:transparent}
html[data-theme="dark"] .study-tab.active{background:var(--gold);color:#081216}
.study-panel{display:none}
.study-panel.active{display:block}
.context-card,.special-card,.quiz-card,.post-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:15px;margin:12px 0}
.context-card h3,.special-card h3{font-family:Georgia,"Times New Roman",serif;margin:.2rem 0 .7rem}
.meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}
.meta-item{background:var(--surface-2);border-radius:12px;padding:10px}
.meta-item b{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--teal);margin-bottom:4px}
.prompt-list{display:grid;gap:9px}
.prompt{border-left:3px solid var(--gold);padding:8px 0 8px 12px}
.connection-list{display:flex;flex-wrap:wrap;gap:8px}
.connection-pill{padding:8px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);font-weight:700}
.method-note{padding:14px;border-radius:14px;background:var(--surface-2);border-left:4px solid var(--teal);margin:12px 0}
.evidence-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.badge{font-size:.76rem;border:1px solid var(--line);border-radius:999px;padding:5px 8px;background:var(--bg)}
.quiz-card fieldset{border:0;padding:0;margin:0}
.quiz-card legend{font-weight:800;margin-bottom:10px;line-height:1.4}
.quiz-option{display:flex;align-items:flex-start;gap:9px;padding:9px;border-radius:11px;margin:5px 0;border:1px solid var(--line);background:var(--bg)}
.quiz-option input{margin-top:3px;accent-color:var(--teal)}
.quiz-result{padding:14px;border-radius:14px;background:var(--surface-2);margin:12px 0}
.quiz-explanation{font-size:.9rem;color:var(--muted);padding:8px 0;border-bottom:1px solid var(--line)}
textarea,input,select{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);padding:11px 12px;min-height:44px}
textarea{min-height:170px;resize:vertical;line-height:1.5}
label{display:grid;gap:6px;font-size:.9rem;font-weight:700}
.stack{display:grid;gap:12px}
.form-grid,.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.toggle-row{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:13px;background:var(--bg)}
.toggle-row input{width:20px;height:20px;min-height:0;margin-top:2px;accent-color:var(--teal)}
.toggle-row span{display:grid;gap:2px}
.toggle-row small{color:var(--muted);font-weight:400}
.groups-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.group-card{border:1px solid var(--line);border-radius:14px;padding:13px;background:var(--bg)}
.group-card h3{margin:.2rem 0 .35rem}
.group-card .role{font-size:.72rem;color:var(--teal);font-weight:800;text-transform:uppercase;letter-spacing:.07em}
.member-list{display:grid;gap:7px;margin-top:10px}
.member-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}
.member-row:last-child{border-bottom:0}
.member-status{font-size:.78rem;padding:5px 8px;border-radius:999px;background:var(--surface-2)}
.member-status.done{color:var(--success);font-weight:800}
.member-status.private{color:var(--muted)}
.posts{display:grid;gap:8px}
.post-card{margin:0}
.post-meta{font-size:.75rem;color:var(--muted);margin-bottom:6px}
.progress-summary{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.progress-summary>div{display:grid;text-align:center;padding:15px;background:var(--surface-2);border-radius:14px}
.progress-summary strong{font-size:2rem;font-family:Georgia,"Times New Roman",serif}
.progress-summary span{color:var(--muted);font-size:.82rem}
.progress-track{height:12px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:18px 0}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:inherit}
.progress-grid{display:grid;grid-template-columns:repeat(20,1fr);gap:4px}
.progress-dot{aspect-ratio:1;border-radius:4px;background:var(--surface-2);border:1px solid var(--line)}
.progress-dot.done{background:var(--teal);border-color:transparent}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:50;width:min(100%,980px);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 94%,transparent);border-top:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-btn{border:0;background:transparent;color:var(--muted);min-height:48px;display:grid;place-items:center;gap:1px;border-radius:12px}
.nav-btn span{font-size:1.05rem}
.nav-btn small{font-size:.72rem}
.nav-btn.active{background:var(--surface-2);color:var(--text);font-weight:800}
code{background:var(--surface-2);padding:2px 5px;border-radius:6px}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}

@media(max-width:720px){
  .app-shell{padding-left:10px;padding-right:10px}
  .page-heading,.day-hero{align-items:flex-start}
  .progress-ring{width:78px;height:78px}
  .form-grid,.two-col{grid-template-columns:1fr}
  .section-heading{align-items:flex-start}
  .reading-card .section-heading{display:grid}
  .reading-card .section-heading .btn{width:100%}
  .progress-grid{grid-template-columns:repeat(15,1fr)}
}
@media(max-width:390px){
  .brand-logo{width:42px;height:42px}
  .brand-copy strong{font-size:.96rem}
  .progress-grid{grid-template-columns:repeat(12,1fr)}
  .day-nav{grid-template-columns:1fr 1fr}
  .day-nav #todayBtn{grid-column:1/-1;grid-row:2}
}

/* v0.2 — review, assessment and group administration */
.assessment-list{display:grid;gap:10px}
.assessment-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.assessment-card h3{margin:3px 0 5px}
.assessment-card.locked{opacity:.66}
.question-source{font-size:.76rem;color:var(--muted);margin:-2px 0 9px}
.button-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.member-row-v2{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}
.member-main{min-width:0}
.member-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:7px;padding-top:8px;border-top:1px dashed var(--line)}
.member-actions select{min-width:130px;flex:1}
.btn.danger{background:transparent;border:1px solid color-mix(in srgb,#b74242 55%,var(--line));color:#b74242}
.progress-summary-v2{grid-template-columns:repeat(3,1fr)}
.group-admin-panel{padding-top:2px}
.announcement-card{padding:13px 0;border-bottom:1px solid var(--line)}
.announcement-card:last-child{border-bottom:0}
.announcement-card h4{margin:5px 0 7px}
.delivery-state{margin-top:8px;font-size:.78rem}

@media(max-width:720px){
  .assessment-card{align-items:flex-start;flex-direction:column}
  .assessment-card .btn{width:100%}
  .progress-summary-v2{grid-template-columns:1fr}
  .member-row-v2{grid-template-columns:1fr}
  .member-row-v2>.member-status{justify-self:start}
}

/* v0.3 — learning & retention */
.learning-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.learning-metric{display:grid;gap:3px;padding:14px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}
.learning-metric strong{font-family:Georgia,"Times New Roman",serif;font-size:1.9rem;line-height:1}
.learning-metric span{font-size:.82rem;font-weight:800}
.learning-metric small{color:var(--muted)}
.score-breakdown{display:grid;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.score-row{display:grid;grid-template-columns:minmax(105px,1.2fr) minmax(90px,2fr) 55px 75px;gap:9px;align-items:center;font-size:.84rem}
.score-row>small{color:var(--muted);text-align:right}
.mini-track,.weak-track{height:8px;border-radius:999px;background:var(--bg);border:1px solid var(--line);overflow:hidden}
.mini-track span,.weak-track span{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:inherit}
.memory-form textarea{min-height:120px}
.memory-deck,.memory-list{display:grid;gap:10px;margin-top:16px}
.memory-queue-note{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 12px;border-radius:12px;background:var(--surface-2);color:var(--muted)}
.memory-card,.memory-list-card{border:1px solid var(--line);border-radius:15px;background:var(--bg);padding:14px}
.memory-reference{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.memory-reference h3{margin:.15rem 0 .3rem;font-family:Georgia,"Times New Roman",serif}
.memory-answer{margin-top:12px}
.memory-card blockquote,.memory-list-card blockquote{margin:12px 0;padding:12px 14px;border-left:4px solid var(--gold);background:var(--surface);border-radius:0 12px 12px 0;white-space:pre-wrap;line-height:1.55}
.memory-ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.memory-meta{display:flex;flex-wrap:wrap;gap:7px 12px;color:var(--muted);font-size:.78rem;margin:10px 0}
.memory-list-card details summary{cursor:pointer;font-weight:700;color:var(--teal);padding:7px 0}
.due-badge{color:var(--danger);font-weight:800}
.learning-two-col{align-items:start}
.weak-section+.weak-section{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.weak-section h3{margin:0 0 10px}
.weak-row{display:grid;grid-template-columns:minmax(110px,1.4fr) minmax(70px,1fr) 45px;gap:8px;align-items:center;padding:7px 0}
.weak-row>div:first-child{display:grid;min-width:0}
.weak-row small{color:var(--muted);font-size:.74rem}
.weak-row>b{text-align:right;font-size:.82rem}
.history-list{display:grid;gap:0}
.history-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.history-row:last-child{border-bottom:0}
.history-row>div{display:grid;min-width:0}
.history-row small{color:var(--muted);font-size:.74rem}
.history-score{white-space:nowrap;font-weight:800;font-size:.82rem;padding:6px 8px;border-radius:999px;background:var(--surface-2)}

@media(max-width:720px){
  .learning-metrics{grid-template-columns:1fr 1fr}
  .score-row{grid-template-columns:1fr auto}
  .score-row .mini-track{grid-column:1/-1;grid-row:2}
  .score-row>small{display:none}
  .memory-ratings{grid-template-columns:1fr 1fr}
}
@media(max-width:390px){
  .learning-metrics{grid-template-columns:1fr}
  .memory-ratings{grid-template-columns:1fr}
  .history-row{align-items:flex-start;flex-direction:column}
}