/* Sutadhana course app. Colours follow hebrew-with-mor.com: cream, sand, sage, charcoal, copper. */
:root{
  --bg:#F4F1E9; --surface:#FDFCF7; --ink:#2D302E; --muted:#5F655C; --line:#D8D3C4;
  --accent:#5E6E58; --accent-ink:#FDFCF7; --accent-hover:#45523F; --soft:#E8E3D5; --soft2:#ECEDE6;
  --mark:#F3DEC4; --copper:#9A5F2A;
  --verb:#8A531F; --verb-bg:#F6E6D3; --subj:#3F5F7A; --subj-bg:#E1E8EE;
  --ok:#3E6B45; --ok-bg:#E3EEDF; --warn:#8A4F1E;
  --pali:"Calibri Light","Carlito",Calibri,"Segoe UI",sans-serif;
  --ui:"Calibri Light","Carlito",Calibri,"Segoe UI",sans-serif;
  --shadow:0 -8px 30px rgba(45,48,46,.14);
  --card-shadow:0 1px 2px rgba(45,48,46,.05),0 4px 14px rgba(45,48,46,.05);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#1B1D1B; --surface:#242724; --ink:#ECEAE3; --muted:#AEB2A8; --line:#3A3E39;
  --accent:#A9BBA2; --accent-ink:#1B1D1B; --accent-hover:#C3D2BD; --soft:#2F322E; --soft2:#2B2E2A;
  --mark:#5A4228; --copper:#D8A274;
  --verb:#E2AE7D; --verb-bg:#3E2F22; --subj:#9DBAD3; --subj-bg:#26323C;
  --ok:#9CC79F; --ok-bg:#25352A; --warn:#E2AE7D;
  --shadow:0 -8px 30px rgba(0,0,0,.5); --card-shadow:none; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#1B1D1B; --surface:#242724; --ink:#ECEAE3; --muted:#AEB2A8; --line:#3A3E39;
  --accent:#A9BBA2; --accent-ink:#1B1D1B; --accent-hover:#C3D2BD; --soft:#2F322E; --soft2:#2B2E2A;
  --mark:#5A4228; --copper:#D8A274;
  --verb:#E2AE7D; --verb-bg:#3E2F22; --subj:#9DBAD3; --subj-bg:#26323C;
  --ok:#9CC79F; --ok-bg:#25352A; --warn:#E2AE7D;
  --shadow:0 -8px 30px rgba(0,0,0,.5); --card-shadow:none; color-scheme:dark}

*{box-sizing:border-box}
html{font-size:17.5px}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:19px/1.55 var(--ui);-webkit-tap-highlight-color:transparent;min-height:100vh;display:flex;flex-direction:column}
em,i,cite{font-style:normal}
a{color:var(--accent)} a:hover{color:var(--accent-hover)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:50}
.skip:focus{left:12px}
.loading{color:var(--muted);text-align:center;padding:60px 0}
main{flex:1;width:100%;max-width:1040px;margin:0 auto;padding:22px max(16px,env(safe-area-inset-right)) 56px max(16px,env(safe-area-inset-left))}
body.sheet-open main{padding-bottom:48vh}

/* header */
header.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{max-width:1040px;margin:0 auto;padding:12px max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;justify-content:space-between}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none;color:var(--ink)}
.brand b{font-size:1.55rem;font-weight:400;letter-spacing:.01em}
.brand span{font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
nav.tabs{display:flex;flex-wrap:wrap;gap:4px;background:var(--bg);border-radius:999px;padding:4px}
nav.tabs a{text-decoration:none;color:var(--ink);padding:8px 18px;border-radius:999px;font-size:1.08rem;min-height:42px;display:inline-flex;align-items:center}
nav.tabs a[aria-current="page"]{background:var(--accent);color:var(--accent-ink)}
nav.tabs a .due{display:inline-block;min-width:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:var(--copper);color:#FDFCF7;font-size:.78rem;line-height:20px;text-align:center}
@media (max-width:560px){nav.tabs{width:100%;flex-wrap:nowrap}nav.tabs a{padding:7px 6px;flex:1 1 auto;justify-content:center;font-size:.95rem;white-space:nowrap}nav.tabs a .due{margin-left:4px}}

/* type */
h1{font:400 clamp(1.9rem,4.6vw,2.6rem)/1.12 var(--pali);margin:0;text-wrap:balance}
h2{font:400 1.5rem/1.2 var(--pali);margin:0 0 10px}
.eyebrow{font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.back{display:inline-flex;align-items:center;gap:6px;min-height:46px;padding:8px 18px 8px 14px;text-decoration:none;font-size:1.1rem;margin-bottom:12px;background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--ink)}
.back:hover{border-color:var(--accent);color:var(--ink)}
.head{margin:6px 0 20px}
.head .sub{color:var(--muted);margin:.35em 0 0}

/* layout */
.cols{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.cols>.main{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:12px}
.cols>.side{flex:1 1 300px;display:flex;flex-direction:column;gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--card-shadow)}
.card.soft{background:var(--soft);border-color:transparent;box-shadow:none}
.notice{background:var(--soft);border-radius:12px;padding:12px 16px;font-size:.95rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:10px 16px;min-height:44px;cursor:pointer;text-decoration:none;font-size:1rem}
.btn:hover{border-color:var(--accent);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{background:var(--accent-hover);color:var(--accent-ink)}
.btn.block{width:100%}
.btn.small{min-height:36px;padding:6px 12px;font-size:.92rem}
.linkbtn{background:none;border:0;color:var(--accent);cursor:pointer;padding:8px 2px;min-height:40px;font-size:.95rem}

/* lesson list rows */
.row{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px;min-height:72px;box-shadow:var(--card-shadow)}
.row:hover{border-color:var(--accent);color:var(--ink)}
.row .num{flex:none;width:52px;text-align:center}
.row .num small{display:block;font-size:.7rem;letter-spacing:.1em;color:var(--muted)}
.row .num b{display:block;font-size:1.7rem;font-weight:400;line-height:1}
.row .t{flex:1;min-width:0}
.row .t b{display:block;font-weight:400;font-size:1.25rem;line-height:1.25}
.row .t span{display:block;color:var(--muted);font-size:.98rem}
.row .meta{flex:none;text-align:right;color:var(--muted);font-size:.85rem;line-height:1.4}
.row .arr{flex:none;color:var(--accent);font-size:1.4rem}
.row .dot{flex:none;width:30px;height:30px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:.9rem}
.row.draft{border-style:dashed}
@media (max-width:520px){.row .meta{display:none}}
details.earlier{margin-top:8px}
details.earlier summary{cursor:pointer;color:var(--accent);padding:10px 2px;min-height:44px}
.rec-list{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:6px}
.rec-list a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 14px;color:var(--ink)}
.rec-list a:hover{border-color:var(--accent)}

/* side widgets */
.big{font-size:2.6rem;line-height:1.05;margin:4px 0}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 16px;align-items:baseline}
.lbl{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}

/* word list */
.seg{display:inline-flex;gap:4px;background:var(--bg);border-radius:999px;padding:4px}
.seg button{border:0;background:none;padding:5px 14px;border-radius:999px;cursor:pointer;min-height:36px}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.wl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:6px 14px;margin:12px 0 4px}
.wl .p{font:1.1rem var(--pali)} .wl .m{color:var(--muted);font-size:.95rem}
.wl .p button{background:none;border:0;padding:0;cursor:pointer;text-align:left;font:inherit;color:inherit}
.wl .p button:hover{color:var(--accent)}

/* reader */
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin:4px 0 16px;font-size:.95rem}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 14px;min-height:38px;cursor:pointer}
.chip.subj[aria-pressed="true"]{border-color:var(--subj);background:var(--subj-bg);color:var(--subj)}
.chip.verb[aria-pressed="true"]{border-color:var(--verb);background:var(--verb-bg);color:var(--verb)}
.legend{margin-left:auto;color:var(--muted);display:flex;align-items:center;gap:6px}
.legend .nw{border-bottom:2px dotted var(--accent);color:var(--ink)}
.boxes{display:grid;gap:14px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px 8px;box-shadow:var(--card-shadow);position:relative}
.box-no{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.pali{font:400 24px/1.85 var(--pali);overflow-wrap:anywhere;white-space:pre-wrap}
.w{font:inherit;color:inherit;background:none;border:0;padding:0 .06em;margin:0 -.06em;border-radius:5px;cursor:pointer;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:7px;text-decoration-thickness:2px;transition:background .15s}
.w:hover{text-decoration-color:var(--line)}
.marknew .w.new{text-decoration-line:underline;text-decoration-style:dotted;text-decoration-color:var(--accent)}
.hint-subj .w.subj{background:var(--subj-bg);color:var(--subj)}
.hint-verb .w.verb{background:var(--verb-bg);color:var(--verb)}
.w.on,.hint-subj .w.subj.on,.hint-verb .w.verb.on{background:var(--mark);color:var(--ink);box-shadow:inset 0 0 0 2px var(--copper)}
.punct{color:var(--muted)}
.nmark{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:700 .78rem/1 var(--ui);border:0;cursor:pointer;vertical-align:super;margin-left:2px;padding:0}
.box-note{position:absolute;top:12px;right:14px}
.eng{border-top:1px dashed var(--line);margin-top:8px;padding:10px 0 6px;font:17.5px/1.6 var(--pali);color:var(--muted);white-space:pre-wrap}
.tgl{background:none;border:0;color:var(--accent);cursor:pointer;padding:8px 0;min-height:40px;font-size:.92rem}
.intro{color:var(--muted);font-size:.95rem;margin:0 0 12px}
.nav-next{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:20px}
.textcredit{font-size:.82rem;color:var(--muted);margin-top:18px;line-height:1.5}

/* sheet */
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);border-radius:18px 18px 0 0;box-shadow:var(--shadow);max-height:44vh;overflow-y:auto;padding:0 max(16px,env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));transition:transform .22s ease}
.sheet[hidden]{display:block!important;transform:translateY(105%);visibility:hidden}

.sheet-in{max-width:860px;margin:0 auto}
.parts .sep{color:var(--muted);margin:0 6px}
.grab{width:44px;height:5px;border-radius:3px;background:var(--line);margin:10px auto 4px}
.s-head{display:flex;align-items:flex-start;gap:10px;position:sticky;top:0;background:var(--surface);padding:8px 0 10px;z-index:1}
.s-word{font:400 32px/1.15 var(--pali);flex:1;min-width:0;overflow-wrap:anywhere}
.s-lemma{color:var(--muted);margin-top:4px;font-size:1rem}
.s-lemma b{font-weight:700;color:var(--ink)}
.icon{border:1px solid var(--line);background:var(--surface);width:44px;height:44px;border-radius:12px;font-size:1.3rem;line-height:1;cursor:pointer;flex:none}
.rows{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 16px;align-items:baseline;margin:4px 0}
.ctx{font:1.2rem var(--pali)}
.lit{color:var(--muted);font-size:.9rem}
.gram a{font-weight:700;text-underline-offset:3px}
.parts{display:grid;gap:8px;margin:12px 0 0;padding:0;list-style:none}
.parts li{background:var(--soft);border-radius:10px;padding:8px 12px}
.parts b{font:700 1.08rem var(--pali)}
.parts small{display:block;color:var(--muted);font-size:.86rem}
.note{background:var(--soft);border-radius:10px;padding:10px 12px;font-size:.93rem;margin:12px 0 0}
.tnote{background:var(--mark);border-radius:10px;padding:10px 12px;font-size:.95rem;margin:12px 0 0}
.tnote .lbl{display:block;margin-bottom:2px}
details.more{margin-top:12px}
details.more summary{cursor:pointer;color:var(--accent);padding:6px 0}
details.more ul{margin:4px 0 0;padding-left:20px;font:1rem/1.6 var(--pali)}
.ext{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px}
.deckline{margin-top:14px;padding-top:10px;border-top:1px solid var(--line);font-size:.88rem;color:var(--muted)}
@media (max-width:520px){.pali{font-size:21px}.rows{grid-template-columns:1fr;gap:2px 0}.rows .lbl{margin-top:8px}}

/* teacher-note popover */
.pop{position:fixed;z-index:40;max-width:320px;background:var(--ink);color:var(--bg);border-radius:12px;padding:10px 14px;font-size:.95rem;line-height:1.45;box-shadow:0 10px 30px rgba(20,30,40,.25)}
.pop .lbl{color:inherit;opacity:.75;display:block;margin-bottom:2px}

/* review */
.rv{max-width:720px;margin:0 auto;width:100%}
.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin:6px 0 18px}
.progress i{display:block;height:100%;background:var(--accent)}
.qcard{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 32px;box-shadow:var(--card-shadow)}
.q-kind{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.q-word{font:400 clamp(38px,7vw,52px)/1.2 var(--pali);margin:6px 0 2px;overflow-wrap:anywhere}
.q-line{font:1.15rem/1.5 var(--pali);color:var(--muted)}
.q-line b{color:var(--ink);font-weight:700}
.q-ans{border-top:1px dashed var(--line);margin-top:18px;padding-top:16px}
.grades{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:22px}
.grades button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:8px;min-height:62px;cursor:pointer}
.grades button small{display:block;font-size:.8rem;color:var(--muted)}
.grades button.good{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.grades button.good small{color:var(--accent-ink);opacity:.85}
@media (max-width:480px){.qcard{padding:22px 18px}.grades{gap:6px}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:14px 0}
.stats div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.stats b{display:block;font-size:1.7rem;font-weight:400}
.stats span{font-size:.85rem;color:var(--muted)}

/* grammar */
.gram-layout{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.gram-nav{flex:1 1 220px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px}
.gram-nav a{display:block;text-decoration:none;color:var(--ink);padding:7px 10px;border-radius:8px}
.gram-nav a[aria-current="page"]{background:var(--soft);color:var(--accent);font-weight:700}
.gram-body{flex:999 1 480px;min-width:0}
.gram-body table{border-collapse:collapse;width:100%;margin:10px 0;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.gram-body th,.gram-body td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left}
.gram-body th{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700}
.gram-body .tablewrap{overflow-x:auto}
.interim{border:1px dashed var(--line);border-radius:12px;padding:10px 14px;color:var(--muted);font-size:.92rem;margin-bottom:14px}

footer.credit{max-width:1040px;margin:0 auto;padding:0 16px 32px;font-size:.8rem;color:var(--muted);line-height:1.6;width:100%}
footer.credit a{color:inherit}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* lesson time with local-time pop-up */
.timebtn{background:none;border:0;padding:0;border-bottom:1px dotted var(--accent);color:var(--ink);cursor:help}
.timebtn.plain{border-bottom:0;cursor:text}

/* grammar pop-up */
.gmodal{position:fixed;inset:0;z-index:60;background:rgba(30,32,30,.45);display:flex;align-items:center;justify-content:center;padding:16px}
.gmodal[hidden]{display:none}
.gmodal-box{position:relative;background:var(--bg);border-radius:18px;width:min(720px,100%);max-height:min(82vh,900px);overflow-y:auto;padding:26px 28px 24px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.gmodal-box h2{font-size:1.9rem;margin:2px 0 14px;padding-right:50px}
.gm-x{position:absolute;top:14px;right:14px}
body.modal-open{overflow:hidden}
@media (max-width:520px){.gmodal{padding:10px}.gmodal-box{padding:20px 18px}}

/* word panel rows: label and value the same size, a thin line between rows */
.rows{gap:0 18px;margin:6px 0 4px}
.rows>*{padding:9px 0;border-top:1px solid rgba(45,48,46,.16)}
.rows>*:nth-child(-n+2){border-top:0}
.rows .lbl{font-size:19px;font-weight:400;letter-spacing:0;text-transform:none;color:var(--muted);white-space:nowrap}
.rows .ctx{font-size:19px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .rows>*{border-top-color:rgba(236,234,227,.16)}}
:root[data-theme="dark"] .rows>*{border-top-color:rgba(236,234,227,.16)}
@media (max-width:520px){
  .rows>*{border-top:0;padding:2px 0}
  .rows .lbl{border-top:1px solid rgba(45,48,46,.16);padding-top:9px;margin-top:4px}
  .rows .lbl:first-child{border-top:0;margin-top:0}
}