/* HaTanya: a calm, modern reading app. One accent (deep blue), a little gold for the
   learning marks, generous white space, a frosted header and an icon tab bar. */
:root{
  --bg:#eaf0fb; --surface:#ffffff; --ink:#131a33; --muted:#5d6785; --line:#d7e0f3; --soft:#dfe7f8;
  --accent:#2343b8; --accent-ink:#ffffff; --accent-soft:#d6e1fa; --gold:#a5741c; --gold-soft:#fbf3e2;
  --good:#1f7a4d; --good-ink:#ffffff; --error:#b42318; --focus:#2343b8;
  --glass:rgba(234,240,251,.86); --head1:#1b3a8f; --head2:#2a52c9; --head-ink:#ffffff; --shadow:0 1px 2px rgba(16,18,24,.04),0 6px 24px rgba(16,18,24,.06);
  --ui:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --read:ui-serif,"New York","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --heb:"Frank Ruehl CLM","Taamey Frank CLM","Times New Roman","Arial Hebrew",serif;
  --tabs-h:64px; --r:16px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a1024; --surface:#121a35; --ink:#eaeefb; --muted:#9aa5c6; --line:#24305a; --soft:#18224a;
  --accent:#8ea8ff; --accent-ink:#0e1430; --accent-soft:#1c2340; --gold:#e2b857; --gold-soft:#2a2416;
  --good:#5fd49a; --good-ink:#06210f; --error:#ff8b80; --focus:#8ea8ff;
  --glass:rgba(10,16,36,.82); --head1:#0f1f55; --head2:#1c3483; --head-ink:#ffffff; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a1024; --surface:#121a35; --ink:#eaeefb; --muted:#9aa5c6; --line:#24305a; --soft:#18224a;
  --accent:#8ea8ff; --accent-ink:#0e1430; --accent-soft:#1c2340; --gold:#e2b857; --gold-soft:#2a2416;
  --good:#5fd49a; --good-ink:#06210f; --error:#ff8b80; --focus:#8ea8ff;
  --glass:rgba(10,16,36,.82); --head1:#0f1f55; --head2:#1c3483; --head-ink:#ffffff; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.35); color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--ui);
  padding-bottom:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px));-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button,a.btn,[role="tab"],.chip,.suggest{touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:10px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

/* Frosted header */
.cloth{position:sticky;top:0;z-index:6;background:linear-gradient(135deg,var(--head1),var(--head2));color:var(--head-ink);
  box-shadow:0 4px 18px rgba(20,40,110,.25);padding-top:env(safe-area-inset-top,0px)}
.cloth-inner{max-width:640px;margin:0 auto;padding:12px 20px}
.stamp-row{display:flex;justify-content:space-between;align-items:center;gap:14px}
.brand{min-width:0}
.brand-row{display:flex;align-items:center;gap:10px}
.wordmark{margin:0;font:700 21px/1.1 var(--read);letter-spacing:-.01em;color:var(--head-ink)}
.lang-switch{min-height:32px;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.14);color:var(--head-ink);font:600 13px var(--ui);cursor:pointer}
.hdate{margin:3px 0 0;font:500 13px/1.3 var(--ui);color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;align-items:center;gap:0 8px}
.hdate .sep{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.6}
.ring{width:52px;height:52px;flex:none}
.ring circle{fill:none;stroke-width:5}
.ring-track{stroke:rgba(255,255,255,.22)}
.ring-arc{stroke:#f2c96b;stroke-linecap:round;stroke-dasharray:169.65;stroke-dashoffset:169.65;transition:stroke-dashoffset .9s cubic-bezier(.2,.7,.2,1)}
.ring text{fill:var(--head-ink);font:700 13px var(--ui)}
.ring .ring-sub{display:none}

/* Page */
main{max-width:640px;margin:0 auto;padding:18px 20px 32px}
.panel{display:grid;gap:18px}
.panel>*{min-width:0}
h1{font:700 28px/1.15 var(--read);letter-spacing:-.015em;margin:0;text-wrap:balance}
.lede{margin:-10px 0 0;color:var(--muted);font-size:16px}
.sample-note{margin:0;font:13.5px/1.45 var(--ui);color:var(--accent);background:var(--accent-soft);border-radius:12px;padding:10px 14px}

.day-nav{display:grid;grid-template-columns:40px minmax(0,1fr) 40px;align-items:center;gap:8px;margin-top:4px}
.day-head{text-align:center}
.ref{margin:0 0 4px;font:600 12.5px var(--ui);color:var(--accent);letter-spacing:.01em;text-wrap:balance}
.nav-btn{width:40px;height:40px;border-radius:50%;border:0;background:var(--accent-soft);color:var(--accent);font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center}
.nav-btn:disabled{opacity:.3;cursor:default}
.gist{margin:0;font:400 19px/1.5 var(--read);text-align:center;color:var(--ink);text-wrap:balance;padding:0 4px}

.controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.text-btn{min-height:40px;padding:8px 16px;border-radius:999px;border:1px solid transparent;background:var(--accent-soft);font:600 14px var(--ui);color:var(--accent);cursor:pointer}
.hint.center{text-align:center}

/* Passages */
.passages{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:14px}
.passage{background:var(--surface);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);border-inline-start:4px solid var(--accent)}
.original{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}
.he{margin:0;direction:rtl;text-align:right;font:21px/1.8 var(--heb);color:var(--ink)}
.tr{margin:12px 0 0;font:15px/1.6 var(--read);color:var(--muted)}
.tr-label{display:block;font:600 11.5px var(--ui);color:var(--gold);margin-bottom:4px;letter-spacing:.02em}
.plain{margin:0;font:17px/1.65 var(--read)}
.src{display:block;margin-top:8px;font:500 12.5px var(--ui);color:var(--muted)}
.hide-original .original{display:none}

.takeaway{border-radius:var(--r);padding:16px 18px;background:var(--gold-soft)}
.takeaway-head{margin:0 0 4px;font:600 13px var(--ui);color:var(--gold)}
.takeaway p:last-child{margin:0;font:18px/1.5 var(--read)}

.actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
.btn{display:flex;align-items:center;justify-content:center;min-height:50px;padding:12px 18px;border-radius:14px;border:1px solid var(--line);
  background:var(--surface);font:600 16px var(--ui);color:var(--ink);text-decoration:none;cursor:pointer;text-align:center}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.primary.is-done{background:var(--good);color:var(--good-ink)}
#btn-done{grid-column:1 / -1;min-height:54px;font-size:17px}
.btn.share{color:var(--good)}
.btn:not(.primary){border-color:var(--line);color:var(--accent)}
.streak-line{margin:-4px 0 0;text-align:center;font:500 14px var(--ui);color:var(--muted)}

.done-stamp{justify-self:center;display:grid;gap:2px;text-align:center;padding:14px 22px;border-radius:999px;background:var(--gold-soft);color:var(--gold);font:600 13px/1.3 var(--ui)}
.done-stamp b{font:700 18px/1.2 var(--read)}
.done-stamp.animate{animation:pop .5s cubic-bezier(.3,1.5,.5,1)}
@keyframes pop{from{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}

/* Feel */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:10px 16px;font:500 15px var(--ui);cursor:pointer;color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--accent);border-color:transparent;color:var(--accent-ink)}
.feel-result{background:var(--surface);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);display:grid;gap:10px}
.feel-result .chapter{margin:0;font:600 13px var(--ui);color:var(--accent)}
.feel-result p{margin:0;font:17px/1.6 var(--read)}
.feel-result .fineprint{font:13px/1.5 var(--ui)}

/* Ask */
.suggestions{display:grid;gap:8px}
.suggest{text-align:start;border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:12px 16px;font:500 15px var(--ui);cursor:pointer;color:var(--ink)}
.thread{display:grid;gap:10px}
.thread:empty{display:none}
.msg{max-width:88%;padding:11px 15px;border-radius:18px;font:16px/1.55 var(--read);white-space:pre-wrap;overflow-wrap:anywhere}
.msg.q{justify-self:end;background:var(--accent);color:var(--accent-ink);font-family:var(--ui);font-size:15px;border-end-end-radius:6px}
.msg.a{justify-self:start;background:var(--surface);box-shadow:var(--shadow);border-end-start-radius:6px}
.msg .who{display:block;font:600 12px var(--ui);color:var(--accent);margin-bottom:4px}
.ask-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}
textarea,input,select{width:100%;font:16px/1.4 var(--ui);padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink)}
textarea{resize:vertical;min-height:52px}
.ask-form .btn{min-height:52px}
.feel-form{grid-template-columns:minmax(0,1fr)}
.free-label{grid-column:1 / -1;font:600 14px var(--ui);color:var(--muted)}
.claude-link{justify-self:start;min-height:44px;margin-top:2px}
.hint,.error{margin:-6px 0 0;font:14px var(--ui);color:var(--error)}
.fineprint{margin:0;font:13px/1.5 var(--ui);color:var(--muted)}

/* Rebbes timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:0;position:relative}
.rebbe{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;position:relative;padding-bottom:18px}
.rebbe::before{content:"";position:absolute;inset-inline-start:17px;top:36px;bottom:0;width:2px;background:var(--line)}
.rebbe:last-child::before{display:none}
.rebbe-n{width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font:700 15px var(--ui);position:relative;z-index:1}
.rebbe-body{background:var(--surface);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow);display:grid;gap:6px;min-width:0}
.rebbe-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 10px}
.rebbe-name{margin:0;font:700 18px/1.25 var(--read)}
.rebbe-years{unicode-bidi:isolate;font:600 12.5px var(--ui);color:var(--muted);font-variant-numeric:tabular-nums}
.rebbe-known{margin:0;font:600 13.5px var(--ui);color:var(--accent)}
.rebbe-did{margin:0;font:16px/1.55 var(--read)}
.rebbe-tanya{margin:4px 0 0;padding:10px 12px;border-radius:12px;background:var(--gold-soft);font:14.5px/1.5 var(--ui)}
.rebbe-tanya b{display:block;color:var(--gold);font-size:12px;margin-bottom:2px}

.credits{margin-top:30px;padding-top:14px;border-top:1px solid var(--line);font:12px/1.5 var(--ui);color:var(--muted)}

/* Icon tab bar */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.tabs button{height:var(--tabs-h);background:none;border:0;color:var(--muted);font:600 11px var(--ui);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.tabs svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round}
.tabs button[aria-selected="true"]{color:var(--accent)}
.tabs button[aria-selected="true"] svg{fill:var(--accent-soft)}

/* Press feedback */
.btn,.chip,.suggest,.nav-btn,.lang-switch,.text-btn,.tabs button{transition:transform 120ms ease-out,background-color 150ms ease-out,opacity 120ms ease-out}
.btn:active,.chip:active,.suggest:active,.nav-btn:active,.lang-switch:active,.text-btn:active{transform:scale(.97)}
.tabs button:active{opacity:.6}
@media (hover:hover) and (pointer:fine){
  .btn:hover,.text-btn:hover,.chip:hover,.suggest:hover,.lang-switch:hover{filter:brightness(.98)}
  .btn.primary:hover{filter:brightness(1.08)}
}

/* Hebrew mode */
html[lang="he"]{--read:"Frank Ruehl CLM","Taamey Frank CLM","Times New Roman","Arial Hebrew",serif}
html[lang="he"] .plain,html[lang="he"] .feel-result p{font-size:18px;line-height:1.7}
[dir="rtl"] .nav-btn span{display:inline-block;transform:scaleX(-1)}

@media (max-width:480px){
  main{padding:14px 16px 28px}
  .cloth-inner{padding:10px 16px}
  h1{font-size:26px}
  .passage{padding:16px}
  .he{font-size:20px}
  .actions{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.fast *{animation:none!important;transition:none!important}