/* =========================================================================
   The keyboard (app.html). Builds on site.css: same tokens, header, footer.
   Class names here are the ones the app's script creates and toggles
   (.cand .sel .raw .pin, .kq .fn .on .khlab .pressed, .keypop .up, ...).
   ========================================================================= */
.app{ max-width:900px; padding-block:clamp(28px,4vw,52px) clamp(64px,8vw,96px); }
.app-head{ margin-bottom:22px; }
.app-head h1{ font-size:clamp(28px,3.2vw,38px); letter-spacing:-.028em; display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
html[data-lang="km"] .app-head h1{ letter-spacing:0; }
.ver{ font:500 12.5px/1 var(--font-mono); color:var(--ink-3); letter-spacing:0; }
.app-head .sub{ margin:6px 0 0; color:var(--ink-2); font-size:16px; }

.pane{
  background:var(--surface); border:1px solid var(--rule); border-radius:22px;
  padding:clamp(16px,2.6vw,26px); margin-bottom:16px; box-shadow:var(--shadow-sm);
}
.pane.keys{ background:var(--kb-bg); }
label.fld, .fld{ display:block; margin-bottom:10px; color:var(--ink-3); font-size:13.5px; font-weight:600; line-height:1.6; }
html[data-lang="km"] .fld{ font-size:14.5px; }
.fld code{ font-size:12px; }

.sugwrap{ position:relative; }
#in{
  display:block; width:100%; min-height:112px; resize:vertical;
  padding:14px 16px; border:1px solid var(--rule-2); border-radius:14px;
  background:var(--paper); color:var(--ink); font:400 18px/1.55 var(--font-mono);
  outline:none; transition:border-color .18s, box-shadow .18s;
}
#in:focus{ border-color:var(--ink); box-shadow:0 0 0 4px var(--accent-soft); }
#in::placeholder{ color:var(--ink-3); }

/* floating candidate bar at the caret, modelled on the macOS Pinyin IME */
.sugbar{
  position:absolute; z-index:30; display:none; align-items:center; gap:2px;
  max-width:calc(100% - 8px); overflow-x:auto; white-space:nowrap; padding:4px;
  background:var(--surface); border:1px solid var(--rule-2); border-radius:15px; box-shadow:var(--shadow-lg);
  -webkit-overflow-scrolling:touch; scrollbar-width:none;
}
.sugbar::-webkit-scrollbar{ display:none; }
.sugbar.show{ display:flex; }
.cand{
  flex:0 0 auto; display:flex; align-items:baseline; gap:6px; padding:3px 11px 5px; border-radius:10px;
  cursor:pointer; user-select:none; -webkit-tap-highlight-color:transparent; touch-action:manipulation;
  transition:background-color .14s ease, transform .1s ease;
}
.cand .num{ font:500 10.5px/1 var(--font-mono); color:var(--ink-3); }
.cand .kh{ font-family:var(--font-khtext); font-size:21px; line-height:1.7; color:var(--ink); }
.cand .gl{ font-size:10.5px; color:var(--ink-3); max-width:92px; overflow:hidden; text-overflow:ellipsis; }
.cand:hover{ background:var(--paper-2); }
.cand:active{ transform:scale(.95); }
.cand.sel{ background:var(--accent); }
.cand.sel .kh, .cand.sel .num, .cand.sel .gl{ color:var(--on-accent); }
.cand.raw .kh{ color:var(--ink-2); }
@media (prefers-reduced-motion:no-preference){
  .sugbar.in{ animation:sugin .18s cubic-bezier(.16,1,.3,1.15); }
  @keyframes sugin{ from{ opacity:0; transform:translateY(5px) scale(.96); } to{ opacity:1; transform:none; } }
  .sugstrip .cand.pin{ animation:candin .22s cubic-bezier(.16,1,.3,1) both; animation-delay:calc(var(--i) * 26ms); }
  @keyframes candin{ from{ opacity:0; transform:translateX(8px); } to{ opacity:1; transform:none; } }
}

.toggles{ display:flex; flex-wrap:wrap; gap:10px 20px; margin-top:14px; }
.tg{ display:flex; align-items:center; gap:8px; font-size:14px; color:var(--ink-2); cursor:pointer; line-height:1.5; }
.tg input{ width:17px; height:17px; margin:0; accent-color:var(--ink); }

.out-label{ margin-top:22px; }
.out{
  min-height:84px; padding:14px 18px; border-radius:14px; border:1px solid var(--rule);
  background:var(--paper); color:var(--ink); font-family:var(--font-khtext); font-size:30px; line-height:1.9;
  white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word;
}
.row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }

/* suggestion strip docked above the keys (Gboard-style) */
.sugstrip{
  display:flex; align-items:center; gap:4px; overflow-x:auto; white-space:nowrap;
  min-height:52px; max-width:640px; margin:0 auto 12px; padding:2px 2px 8px;
  border-bottom:1px solid var(--rule); -webkit-overflow-scrolling:touch; scrollbar-width:none;
}
.sugstrip::-webkit-scrollbar{ display:none; }
.sugstrip .cand{ padding:5px 13px 7px; }
.sugstrip:empty::after{ content:"…"; margin:0 auto; color:var(--rule-2); font-size:14px; }

/* on-screen keyboard */
.kb{ position:relative; display:flex; flex-direction:column; gap:8px; max-width:640px; margin:0 auto; }
.kbrow{ display:flex; gap:6px; justify-content:center; }
.kq{
  flex:1 1 0; min-width:0; padding:11px 0 8px; border:0; border-radius:9px; cursor:pointer;
  background:var(--key); color:var(--ink); box-shadow:0 1px 0 var(--key-shadow);
  text-align:center; user-select:none; -webkit-user-select:none; -webkit-tap-highlight-color:transparent; touch-action:manipulation;
  font:600 17px/1.1 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  transition:background-color .18s ease, transform .12s ease, box-shadow .12s ease;
}
.kq .sub{ display:block; margin-top:3px; min-height:13px; font-family:var(--font-khtext); font-size:10.5px; font-weight:400; line-height:1.2; color:var(--ink-3); }
.kq:hover{ background:color-mix(in oklab, var(--key) 88%, var(--ink)); }
.kq.pressed{
  background:var(--paper-3); transform:scale(.93) translateY(1px); box-shadow:none;
  transition:background-color .03s, transform .05s, box-shadow .05s;
}
.kq.fn{ background:var(--key-fn); color:var(--ink-2); font-size:13px; }
.kq.on{ background:var(--ink); color:var(--paper); }
.kq.khlab{ font-family:var(--font-khtext); font-weight:400; font-size:19px; }
.keypop{
  position:absolute; z-index:40; min-width:46px; padding:10px 8px 13px; pointer-events:none;
  background:var(--surface); border:1px solid var(--rule); border-radius:14px; box-shadow:var(--shadow-lg);
  text-align:center; font-size:27px; font-weight:600; color:var(--ink);
  opacity:0; transform:translateY(6px) scale(.9); transition:opacity .1s ease, transform .12s cubic-bezier(.2,1,.3,1.2);
}
.keypop.up{ opacity:1; transform:none; }
@media (prefers-reduced-motion:no-preference){
  .kb.anim{ animation:kbswap .14s ease; }
  @keyframes kbswap{ from{ opacity:.35; transform:scale(.985); } to{ opacity:1; transform:none; } }
}
.hint{ margin:2px 0 0; color:var(--ink-3); font-size:13.5px; line-height:1.65; }
html[data-lang="km"] .hint{ font-size:14px; line-height:1.85; }
.keys .hint{ max-width:640px; margin:12px auto 0; }

/* drawers: my words, typing chart */
.drawer{ border-bottom:1px solid var(--rule); }
.drawer:first-of-type{ border-top:1px solid var(--rule); margin-top:30px; }
.drawer summary{
  list-style:none; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:20px;
  padding:20px 0; font-weight:600; font-size:17px; line-height:1.5;
}
.drawer summary::-webkit-details-marker{ display:none; }
.drawer .pm{ position:relative; flex:none; width:14px; height:14px; }
.drawer .pm::before, .drawer .pm::after{
  content:""; position:absolute; left:0; top:6px; width:14px; height:2px; border-radius:2px; background:var(--ink-2);
  transition:transform .25s var(--ease);
}
.drawer .pm::after{ transform:rotate(90deg); }
.drawer[open] .pm::after{ transform:none; }
.drawer-body{ padding:0 0 26px; }
h3.sec{ margin:22px 0 10px; font-size:13px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-3); }
html[data-lang="km"] h3.sec{ font-size:14.5px; letter-spacing:0; text-transform:none; }

.grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(88px, 1fr)); border-top:1px solid var(--rule); border-left:1px solid var(--rule); }
.grid .cell{ padding:10px 6px; text-align:center; border-right:1px solid var(--rule); border-bottom:1px solid var(--rule); }
.grid .cell .kh{ font-size:26px; line-height:1.6; }
.grid .cell .kh.mark{ font-family:"Siemreap Web", var(--font-sans); }
.grid .cell .rn{ margin-top:2px; font:500 13.5px/1.3 var(--font-mono); color:var(--ink); }
.grid .cell .note{ margin-top:2px; font-size:11px; line-height:1.35; color:var(--ink-3); }

.addbox{ margin:0 0 16px; padding:14px; border:1px solid var(--rule); border-radius:14px; background:var(--surface); }
.addrow{ display:flex; gap:8px; align-items:stretch; }
/* 16px minimum: below that, focusing an input makes iOS Safari zoom in */
.addinput{
  flex:1 1 0; min-width:0; padding:9px 12px; border:1px solid var(--rule-2); border-radius:10px;
  background:var(--paper); color:var(--ink); font:16px/1.4 var(--font-mono); outline:none;
}
.addinput.kh{ font-family:var(--font-khtext); font-size:19px; }
.addinput:focus{ border-color:var(--ink); box-shadow:0 0 0 3px var(--accent-soft); }
.addrow .btn{ flex:none; min-width:48px; padding:0 16px; font-size:20px; }
.mw{ display:flex; flex-wrap:wrap; gap:8px; padding:4px 0 12px; }
.mw .w{
  padding:4px 14px 6px; border-radius:999px; border:1px solid var(--rule); background:var(--surface);
  font-family:var(--font-khtext); font-size:18px; line-height:1.6; color:var(--ink);
}
.mw .w b{ margin-left:7px; font:600 10.5px/1 var(--font-sans); color:var(--ink-3); }
.mw .w.mine{ border-color:var(--accent); }
.mw .w.mine b{ color:var(--accent-text); }
.mw-actions{ display:flex; flex-wrap:wrap; gap:8px; padding:4px 0 0; }
.btn-danger{ color:#B42318; }
:root[data-theme="dark"] .btn-danger{ color:#F2867A; }
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .btn-danger{ color:#F2867A; } }

.app-foot{ margin-top:40px; }
.app-foot .hint{ margin-top:6px; }

.toast{
  position:fixed; left:50%; bottom:24px; z-index:80; transform:translateX(-50%) translateY(16px);
  padding:11px 20px; border-radius:999px; background:var(--ink); color:var(--paper); font-size:14px; box-shadow:var(--shadow-lg);
  opacity:0; pointer-events:none; transition:opacity .25s, transform .25s var(--ease);
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

@media (max-width:640px){
  .pane{ border-radius:18px; }
  .kbrow{ gap:5px; }
  .kq{ padding:10px 0 7px; font-size:16px; }
  .out{ font-size:26px; }
}