/* מחברת אזרחות. Calm reading: few containers, plain text controls, one accent colour that only means
   "active" or "action". Every view fits one screen; long content scrolls inside its own area.
   Phones get a bottom tab bar; from 1000px the passage and the current question step sit side by side. */

/* ---------- tokens (light, dark, and the manual override from the theme button) ---------- */
:root{
  color-scheme:light;
  --paper:#ECF0F6; --sheet:#FFFFFF; --sheet-2:#F6F8FC; --ink:#141D33; --muted:#5A6580; --line:#D5DCE8;
  --accent:#2742C2; --accent-ink:#FFFFFF; --accent-soft:#E4E9FB;
  --pen:#C2362B; --pen-soft:#FBE7E4; --ok:#18794A; --ok-soft:#DFF2E7; --warn:#946400; --warn-soft:#FBEFCF; --key:#18794A;
  --f-display:"Frank Ruhl Libre","David","Times New Roman",serif;
  --f-body:"Assistant","Arial Hebrew","Segoe UI",Arial,sans-serif;
  --f-num:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --r:12px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  color-scheme:dark;
  --paper:#0C111B; --sheet:#151C2A; --sheet-2:#1A2233; --ink:#E6EAF3; --muted:#9AA5BD; --line:#283247;
  --accent:#93A6FF; --accent-ink:#0C111B; --accent-soft:#1E2746;
  --pen:#FF8B7E; --pen-soft:#3A1F1D; --ok:#74D4A2; --ok-soft:#14302A; --warn:#F2C45A; --warn-soft:#33290F; --key:#74D4A2}}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#0C111B; --sheet:#151C2A; --sheet-2:#1A2233; --ink:#E6EAF3; --muted:#9AA5BD; --line:#283247;
  --accent:#93A6FF; --accent-ink:#0C111B; --accent-soft:#1E2746;
  --pen:#FF8B7E; --pen-soft:#3A1F1D; --ok:#74D4A2; --ok-soft:#14302A; --warn:#F2C45A; --warn-soft:#33290F; --key:#74D4A2}

/* ---------- base ---------- */
[hidden]{display:none!important}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--paper)}
body{color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--muted)} .small{font-size:14px}
.eyebrow{font-size:12px;color:var(--muted)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}

/* ---------- shell: slim top bar, one scrolling view ---------- */
.wrap{max-width:860px;margin:0 auto;height:100vh;height:100dvh;display:flex;flex-direction:column;padding:0 12px 10px;overflow:hidden}
header.top{display:flex;align-items:center;gap:10px;min-height:46px;padding:4px 0;flex:none}
.brand h1{font-family:var(--f-display);font-weight:700;font-size:20px;line-height:1;margin:0;white-space:nowrap}
.brand h1 em{font-style:normal}
.progress{display:flex;gap:12px;margin-inline-start:auto}
.progress span{font-size:12px;color:var(--muted);white-space:nowrap}
.progress b{font-family:var(--f-num);font-weight:500}
.who{font-size:12px;display:flex;align-items:center;color:var(--muted)}
.who .btn{padding:3px 8px;font-size:13px;color:var(--muted)}
.linkbtn{border:0;background:none;padding:0;color:var(--muted);text-decoration:underline;font-size:12px;white-space:nowrap}
.themebtn{flex:none;width:28px;height:28px;padding:0;border:0;background:none;color:var(--muted);display:grid;place-items:center;border-radius:50%}
.themebtn:hover{background:var(--sheet-2)}
.themebtn svg{width:18px;height:18px}
#view{flex:1 1 auto;min-height:0;overflow-y:auto;position:relative}
.screen{height:100%;display:flex;flex-direction:column;gap:8px;min-height:0}

/* ---------- tabs: in the top bar on wide screens, bottom bar on phones. Active = accent text, no pill ---------- */
nav.tabs{display:flex;gap:2px}
nav.tabs button{border:0;background:none;padding:5px 10px;border-radius:8px;font-size:15px;color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:6px}
nav.tabs button:hover{color:var(--ink)}
nav.tabs button svg{width:16px;height:16px;flex:none}
nav.tabs button[aria-selected="true"]{color:var(--accent)}
nav.tabs .count{font-family:var(--f-num);font-size:11px;background:var(--pen);color:#fff;border-radius:999px;padding:0 6px;line-height:18px}
@media (max-width:719px){
  .wrap{padding-bottom:calc(60px + env(safe-area-inset-bottom,0px))}
  nav.tabs{position:fixed;inset-inline:0;bottom:0;z-index:20;gap:4px;padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px));justify-content:space-around;background:var(--sheet);border-top:1px solid var(--line)}
  nav.tabs button{flex:1;flex-direction:column;justify-content:center;gap:2px;padding:4px 6px;font-size:11px;position:relative}
  nav.tabs button svg{width:20px;height:20px}
  nav.tabs .count{position:absolute;top:2px;inset-inline-end:18%}
}

/* ---------- topic filter: plain text, active one underlined ---------- */
.chips{flex:none;display:flex;gap:16px;overflow-x:auto;margin:0 -12px 4px;padding:0 12px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:0;border-bottom:2px solid transparent;background:none;padding:4px 0;font-size:13px;display:flex;align-items:center;gap:6px;color:var(--muted)}
.chip:hover{color:var(--ink)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--line)}
.chip .n{font-family:var(--f-num);font-size:11px}
.chip[aria-pressed="true"]{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- buttons, fields. Only .primary is filled ---------- */
.btn{border:0;background:none;padding:8px 12px;border-radius:var(--r);font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;justify-content:center}
.btn:hover:not(:disabled){background:var(--sheet-2)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.08)}
.btn.ghost{color:var(--muted);font-weight:400}
.btn.danger{color:var(--pen)}
.btn:disabled{opacity:.4;cursor:default}
.icon-btn{width:36px;height:36px;border-radius:50%;padding:0;flex:none;color:var(--muted)}
.icon-btn svg{width:18px;height:18px}
.toggle{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--muted)}
.toggle input{accent-color:var(--accent);width:16px;height:16px}
textarea{width:100%;min-height:72px;border:1px solid var(--line);border-radius:var(--r);padding:8px 10px;background:var(--sheet);resize:vertical;line-height:1.65}
input[type=text],input[type=number],select.inp{border:1px solid var(--line);border-radius:var(--r);padding:8px 10px;background:var(--sheet);min-width:0}
.empty{padding:12px 0;color:var(--muted)}
.empty b{color:var(--ink);display:block;margin-bottom:4px;font-size:16px;font-weight:600}
.err{color:var(--pen);font-size:14px;margin-top:8px}
.okmsg{color:var(--ok);font-size:14px;margin-top:8px}

/* ---------- flashcards: the card is the only container ---------- */
.deckbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.deckbar .btn{padding:3px 8px;font-size:13px;font-weight:400;color:var(--muted)}
.card-stage{flex:1 1 auto;min-height:0;perspective:1600px;padding-top:16px;touch-action:pan-y}
.fcard{position:relative;height:100%;min-height:0;border:0;width:100%;padding:0;background:none;text-align:inherit;display:block}
.divider{position:absolute;top:-17px;inset-inline-start:2px;z-index:2;color:var(--muted);font-size:12px;transition:opacity .2s}
.face{position:absolute;inset:0;background:var(--sheet);border-radius:var(--r);padding:20px 20px 16px;display:flex;flex-direction:column;gap:10px;backface-visibility:hidden;-webkit-backface-visibility:hidden;transition:transform .5s cubic-bezier(.3,.7,.2,1);overflow:auto}
.face.back{transform:rotateY(180deg)}
.fcard.flipped .front{transform:rotateY(-180deg)}
.fcard.flipped .back{transform:rotateY(0)}
@media (prefers-reduced-motion:reduce){.face,.bar i{transition:none}}
.face .term{font-family:var(--f-display);font-weight:700;font-size:clamp(32px,8vw,48px);line-height:1.1;margin:auto 0;text-wrap:balance}
.face .hint{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.face ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.face li{padding-inline-start:18px;position:relative;line-height:1.7}
.face li::before{content:"";position:absolute;inset-inline-start:4px;top:.75em;width:5px;height:5px;border-radius:50%;background:var(--muted)}
.face .ttl{font-family:var(--f-display);font-weight:700;font-size:22px;line-height:1.2;margin:0}
.badge{display:inline-block;font-size:12px;padding:0 6px;border-radius:999px;background:var(--warn-soft);color:var(--warn);vertical-align:middle}
.badge.teacher{background:var(--pen-soft);color:var(--pen)}
.tiles{display:flex;gap:8px;flex-wrap:wrap;margin:auto 0 0}
.tile{font-family:var(--f-display);font-weight:700;font-size:clamp(30px,8vw,42px);width:1.55em;height:1.55em;display:grid;place-items:center;border-radius:10px;background:var(--sheet-2);color:var(--ink)}
.mapgrid{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin-top:6px;align-items:center}
.mapgrid b{font-family:var(--f-display);font-weight:700;font-size:22px;width:30px;text-align:center;color:var(--muted)}
.cardnav{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center}
.cardnav .mid{text-align:center}
.pos{font-family:var(--f-num);font-size:13px;color:var(--muted)}
.bar{height:3px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--muted);border-radius:999px;transition:width .4s ease}
.knowrow{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.knowrow .btn{min-height:44px;background:var(--sheet);font-size:16px}
.know-no.on{color:var(--pen);background:var(--pen-soft)}
.know-yes.on{color:var(--ok);background:var(--ok-soft)}

/* ---------- questions: reading section → what to do → answers; navigation at the bottom ---------- */
.practice{gap:12px}
.qbar{display:flex;gap:2px;align-items:center;flex:none}
.qbar select{flex:0 1 auto;min-width:0;padding:6px 6px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:14px}
.qbar select:hover,.qbar select:focus-visible{background:var(--sheet-2);color:var(--ink)}
.icon-btn:hover:not(:disabled){background:var(--sheet-2);color:var(--ink)}
.qbar .spacer{flex:1}
.sheet{background:var(--sheet);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;max-height:40dvh;min-height:0;flex:0 1 auto}
.sheet-head{padding:12px 18px 0;font-size:12px;color:var(--muted)}
.passage{flex:1 1 auto;min-height:0;overflow:auto;padding:4px 18px 14px;line-height:1.9;font-size:17px}
.w{border:0;background:none;padding:0 1px;margin:0;border-radius:3px;line-height:inherit;font-size:inherit;cursor:default}
.passage.pick .w{cursor:pointer}
.passage.pick .w:hover{background:var(--sheet-2)}
.w.sel{background:var(--accent-soft);box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.w.anchor{box-shadow:inset 0 -2px 0 var(--accent)}
.w.key{text-decoration:underline 2px var(--key);text-underline-offset:6px}
.stepbox{flex:1 1 0;min-height:110px;overflow:auto}
.prompt{margin:0;font-size:14px;line-height:1.5;color:var(--muted)}
.prompt b{font-weight:inherit;color:var(--ink)}
.stepq{margin:4px 0 12px;font-size:16px;font-weight:700}
.opts{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.opt{min-height:44px;border:0;border-top:1px solid var(--line);background:none;padding:8px 14px;text-align:start;display:flex;gap:12px;align-items:center;color:var(--ink)}
.opt:first-child{border-top:0}
.opt .ltr{flex:none;color:var(--muted);font-size:14px}
.opt:hover:not(:disabled){background:var(--sheet-2)}
.opt.right{background:var(--ok-soft);color:var(--ok)}
.opt.wrong{background:var(--pen-soft);color:var(--pen)}
.opt.right .ltr,.opt.wrong .ltr{color:inherit}
.opt:disabled{cursor:default}
.result{margin-top:12px;display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap}
.result .body{flex:1 1 260px;min-width:0}
.ring{--p:0;--rc:var(--ok);width:50px;height:50px;border-radius:50%;flex:none;display:grid;place-items:center;background:conic-gradient(var(--rc) calc(var(--p)*1%),var(--line) 0)}
.ring span{width:40px;height:40px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-family:var(--f-num);font-weight:500;font-size:13px;color:var(--rc)}
.ring.mid{--rc:var(--warn)} .ring.lo{--rc:var(--pen)}
.canon{margin:6px 0 0;line-height:1.85}
.canon .hit{color:var(--ok)}
.canon .miss{text-decoration:underline 2px var(--pen);text-underline-offset:4px}
.model{margin-top:12px}
.qfoot{flex:none;display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding-top:4px}
.rail{display:flex;flex:1;min-width:0}
.rail button{flex:1 1 auto;border:0;border-bottom:2px solid transparent;background:none;padding:8px 2px 6px;font-size:13px;color:var(--muted);white-space:nowrap}
.rail button:hover{color:var(--ink)}
.rail button[aria-current="step"]{color:var(--ink);font-weight:700;border-bottom-color:var(--accent)}
.mark{font-family:var(--f-num);font-size:10.5px;font-weight:400}
.mark.hi{color:var(--ok)} .mark.mid{color:var(--warn)} .mark.lo{color:var(--pen)}
.qfoot .btn{flex:none;min-width:88px}

/* ---------- my answers + teacher: rows with dividers instead of cards ---------- */
.tiles3{display:flex;gap:24px}
.tiles3 b{display:block;font-family:var(--f-num);font-size:18px;font-weight:500}
.tiles3 span{font-size:12px;color:var(--muted)}
.list{display:grid}
.sub{border-bottom:1px solid var(--line);padding:12px 0;display:grid;gap:6px}
.sub .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted)}
.sub .meta b{font-weight:600}
.pill{font-size:13px;color:var(--muted)}
.pill.wait{color:var(--warn)}
.answer{white-space:pre-wrap}
.redmark{display:flex;gap:14px;align-items:center}
.redmark .circle{font-family:var(--f-num);color:var(--pen);border:2px solid var(--pen);border-radius:50%;width:44px;height:44px;display:grid;place-items:center;font-size:15px;transform:rotate(-8deg);flex:none}
.redmark .cm{color:var(--pen);font-family:var(--f-display);font-size:18px;min-width:0}
.stats{display:flex;gap:6px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.stats span+span::before{content:"·";margin-inline-end:6px}
details summary{cursor:pointer;color:var(--muted);font-size:13px}
.gradebar{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.gradebar label{margin-inline-end:6px}
.gradebar input[type=number]{width:80px;font-family:var(--f-num);margin-inline-end:6px}
.gradebar .btn{padding:6px 8px;font-weight:400;font-family:var(--f-num);color:var(--muted)}
article[data-item] textarea{min-height:44px}
.seg{display:flex;gap:18px;border-bottom:1px solid var(--line);margin-bottom:10px}
.seg button{border:0;border-bottom:2px solid transparent;margin-bottom:-1px;background:none;padding:6px 0;color:var(--muted)}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{color:var(--ink);border-bottom-color:var(--ink)}
.step-h{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.step-h .term{font-family:var(--f-display);font-weight:700;font-size:22px;line-height:1}
.form{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field>label{font-weight:600;font-size:14px}
.field .help{font-size:13px;color:var(--muted)}
.field .sheet{max-height:none;border:1px solid var(--line)}
.qitem{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}
.qitem .txt{flex:1 1 240px;min-width:0}
.qitem .txt p{margin:4px 0 0;color:var(--muted);font-size:14px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.loginbox{max-width:360px;margin-inline:auto;border:0;padding-top:24px}

/* ---------- 1000px and up: reading section on the right (RTL), the step beside it ---------- */
@media (min-width:1000px){
  .wrap{max-width:1180px}
  #view>*{max-width:860px;margin-inline:auto;width:100%}
  #view>.practice{max-width:none}
  .practice{display:grid;grid-template-columns:minmax(0,calc(60ch + 36px)) minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;gap:14px 40px;
    grid-template-areas:"bar bar" "sheet step" "sheet foot"}
  .practice .qbar{grid-area:bar}
  .practice .sheet{grid-area:sheet;max-height:100%;align-self:start}
  .practice .stepbox{grid-area:step}
  .practice .qfoot{grid-area:foot}
  .practice .passage{font-size:17.5px;padding:6px 22px 18px}
  .practice .sheet-head{padding:16px 22px 0}
}