/* app.css - the phone notepad, Amber theme. Every height is fixed: the page never moves, nothing shows
   a scroll bar (lists still scroll with a finger). */
:root {
  --bg: #0b0b0f; --surface: #14141b; --key: #1f1f29; --key2: #282834; --line: #262632;
  --text: #ecedf1; --dim: #9a9ba6; --faint: #6b6c78; --amber: #ffb020; --amber2: #ff7a18; --amberSoft: #ffcb6b;
  --ink: #1a1204; --err: #ff6b6b;
  --mono: ui-monospace, "SF Mono", Menlo, "JetBrains Mono", Consolas, monospace;
  --sans: -apple-system, system-ui, "Inter", "Segoe UI", Roboto, sans-serif;
  --sat: env(safe-area-inset-top, 0px); --sab: env(safe-area-inset-bottom, 0px); --fs: 17px;
  --keyh: 50px; --gap: 6px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; scrollbar-width: none; }
*::-webkit-scrollbar { display: none; width: 0; height: 0; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: var(--sans);
  overscroll-behavior: none; -webkit-text-size-adjust: 100%; overflow: hidden; }
body { position: fixed; inset: 0; }
button { font: inherit; color: inherit; border: 0; background: none; padding: 0; cursor: pointer;
  -webkit-user-select: none; user-select: none; touch-action: manipulation; -webkit-touch-callout: none; }
#app { position: fixed; inset: 0; display: flex; flex-direction: column; padding-top: var(--sat);
  -webkit-user-select: none; user-select: none; }
.hidden { display: none !important; }

/* header */
#top { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; padding: 6px 10px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #121219, var(--bg)); }
.brand { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.logo { width: 24px; height: 24px; }
.name { font-weight: 700; font-size: 17px; color: var(--amber); }
.ver { font: 10.5px var(--mono); color: var(--faint); border: 1px solid var(--line); border-radius: 6px; padding: 1px 4px; }
.file { flex: 0 1 auto; min-width: 0; margin-left: auto; padding: 5px 10px; border-radius: 9px; font: 13px var(--mono); color: var(--dim);
  background: var(--key); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 38vw; }
.file.on { color: var(--amberSoft); background: #2a2010; }
.actions { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.icon { width: 36px; height: 34px; border-radius: 10px; font-size: 22px; line-height: 1; color: var(--dim); }
.icon:active { background: var(--key); }
.run { height: 34px; padding: 0 14px; border-radius: 17px; background: linear-gradient(135deg, var(--amber), var(--amber2));
  color: var(--ink); font-weight: 700; font-size: 15px; }
.run:active { filter: brightness(.9); }

/* log */
#log { flex: 1 1 0; min-height: 0; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 8px 10px 4px; }
.cell { margin: 0 0 10px; }
.cell.sys { color: var(--faint); font-size: 13px; }
.in { font: calc(var(--fs) - 3px)/1.45 var(--mono); white-space: pre-wrap; word-break: break-all; padding: 2px 0 2px 16px; position: relative; }
.in::before { content: "›"; position: absolute; left: 2px; color: var(--amber); font-weight: 700; }
.tag { font: 11px var(--sans); color: var(--ink); background: var(--amberSoft); border-radius: 5px; padding: 0 5px; margin-right: 6px; }
.out { font: calc(var(--fs) - 4px)/1.2 var(--mono); white-space: pre; overflow-x: auto; color: #d7dae0; margin-top: 3px;
  padding: 6px 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.out:empty { display: none; }
.out .ok + .er, .out .er + .ok, .out .er + .er { margin-top: 6px; }
.er { border-left: 3px solid var(--err); padding-left: 8px; }
.er .en { color: var(--err); font-weight: 700; }
.er .ew { color: var(--dim); font-family: var(--sans); font-size: calc(var(--fs) - 4px); margin-left: 6px; }
.er .ec { color: #d7dae0; display: block; margin-top: 3px; }
.er .ek { color: var(--amber); }
.t-v { color: #6aaeff; } .t-a { color: #d98cff; } .t-n { color: #8fd46a; } .t-s { color: #ff8a8a; }
.t-y { color: var(--amberSoft); } .t-w { color: #57d6d6; } .t-c { color: var(--faint); font-style: italic; }

/* the editor: drawn, never focused */
#edit { flex: 0 0 auto; border-top: 1px solid var(--line); background: var(--surface); padding: 6px 10px 4px; }
#ed { position: relative; height: calc(var(--fs) * 1.4 * 3 + 6px); overflow-y: auto; touch-action: pan-y; cursor: text; }
@media (min-height: 760px) { #ed { height: calc(var(--fs) * 1.4 * 4 + 6px); } }
#edt { font: var(--fs)/1.4 var(--mono); color: var(--text); white-space: pre; min-height: 100%; }
#edt .r { height: calc(var(--fs) * 1.4); }
#edt .sel { background: #5a4318; border-radius: 2px; }
.probe { position: absolute; visibility: hidden; white-space: pre; }
#caret { position: absolute; left: 0; top: 0; width: 2px; height: calc(var(--fs) * 1.4); background: var(--amber); border-radius: 1px;
  pointer-events: none; will-change: transform; }
#caret.blink { animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }
#ph { position: absolute; left: 2px; top: 0; color: var(--faint); font-size: 15px; line-height: calc(var(--fs) * 1.4); pointer-events: none; }

/* the edit bar */
#tools { flex: 0 0 auto; display: flex; gap: 5px; padding: 5px 6px; background: #101016; border-top: 1px solid var(--line); }
.tb { flex: 1 1 0; min-width: 0; height: 32px; border-radius: 8px; background: var(--key); color: var(--dim); font: 600 14px var(--sans); }
.tb.down, .tb:active { background: #3a3a4a; color: var(--text); }

/* hint bar */
#hint { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; font-size: 12.5px; color: var(--dim);
  border-top: 1px solid var(--line); background: #101016; white-space: nowrap; overflow: hidden; }
#hint .hg { font: 700 17px var(--mono); color: var(--amber); min-width: 18px; text-align: center; }
#hint .ht { overflow: hidden; text-overflow: ellipsis; }
#hint b { color: var(--text); font-weight: 600; }
#hint code { font-family: var(--mono); color: var(--amberSoft); }

/* keyboard: four rows of keys (or the words) and the bottom row, always the same height */
#kb { flex: 0 0 auto; background: #0e0e13; padding: 6px 4px calc(6px + var(--sab)); border-top: 1px solid var(--line); touch-action: none; }
.kbody { height: calc(4 * var(--keyh) + 4 * var(--gap)); }
.row { display: flex; gap: 5px; margin: 0 0 var(--gap); }
.k { flex: 1 1 0; min-width: 0; height: var(--keyh); border-radius: 9px; background: var(--key); box-shadow: 0 1px 0 #00000080;
  display: flex; align-items: center; justify-content: center; }
.k .g { font: 600 24px/1 var(--mono); color: var(--text); pointer-events: none; }
.k.adv .g { color: #e4a8ff; } .k.p .g { color: var(--amberSoft); } .k.var .g { color: #57d6d6; }
.k.fn { background: var(--key2); }
.k.fn .g { font: 600 15px var(--sans); color: var(--dim); }
.k.down { background: #3a3a4a; }
.k.wide { flex-grow: 2.4; }
.k.go { background: linear-gradient(135deg, var(--amber), var(--amber2)); }
.k.go .g { color: var(--ink); font: 700 15px var(--sans); }
.k.tab .g { font: 600 13.5px var(--sans); color: var(--dim); }
.k.tab.on { background: #3a2a10; } .k.tab.on .g { color: var(--amber); }
.k.letter .g { font: 500 20px var(--mono); }
.k.word { flex: 0 0 auto; padding: 0 10px; height: 40px; }
.k.word .g { font: 500 15px var(--mono); color: #57d6d6; }
.words { display: flex; flex-wrap: wrap; gap: 6px; height: 100%; overflow-y: auto; align-content: flex-start; padding: 0 2px; touch-action: pan-y; }

/* long-press card, sheets, toast */
#card { position: fixed; left: 10px; right: 10px; bottom: 300px; z-index: 20; background: #191921; border: 1px solid #3a3a4a;
  border-radius: 14px; padding: 12px 14px 10px; box-shadow: 0 10px 40px #000a; max-height: 50vh; overflow-y: auto; }
#card .big { font: 700 34px var(--mono); color: var(--amber); float: right; margin-left: 10px; }
#card .ln { font-size: 14px; margin: 2px 0; }
#card .ln .f { font-family: var(--mono); color: var(--dim); margin-right: 6px; }
#card .ex { margin-top: 8px; border-top: 1px solid var(--line); padding-top: 8px; }
#card .ex button { display: block; width: 100%; text-align: left; padding: 6px 0; border-bottom: 1px solid #22222c; }
#card .ex .e { font: 14px var(--mono); color: var(--amberSoft); }
#card .ex .r { font: 12.5px/1.3 var(--mono); color: #c9ccd4; white-space: pre; overflow-x: auto; display: block; margin-top: 2px; }
#card .tip { font-size: 11.5px; color: var(--faint); margin-top: 6px; }
#sheet { position: fixed; inset: 0; z-index: 30; background: #000a; display: flex; align-items: flex-end; }
#sheet .panel { width: 100%; background: #16161e; border-radius: 16px 16px 0 0; padding: 10px 12px calc(14px + var(--sab));
  max-height: 80vh; overflow-y: auto; border-top: 1px solid #33333f; }
#sheet h3 { margin: 6px 4px 10px; font-size: 15px; color: var(--amber); }
#sheet .item { display: block; width: 100%; text-align: left; padding: 12px 10px; border-radius: 10px; font-size: 15.5px; }
#sheet .item:active { background: var(--key); }
#sheet .item small { display: block; color: var(--faint); font-size: 12px; margin-top: 2px; font-family: var(--mono);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sheet .item.ok { background: linear-gradient(135deg, var(--amber), var(--amber2)); color: var(--ink); font-weight: 700; text-align: center; margin-top: 6px; }
#sheet .two { display: flex; gap: 8px; } #sheet .two .item { text-align: center; font-weight: 700; background: var(--key); }
#sheet .about { color: var(--dim); font-size: 13px; line-height: 1.5; padding: 4px 10px 10px; }
#sheet .about code { font-family: var(--mono); color: var(--amberSoft); }
#sheet .note { color: var(--faint); font-size: 12.5px; margin: 0 4px 8px; }
.nm, .nat { width: 100%; font: 16px var(--mono); padding: 11px 12px; border-radius: 10px; border: 1px solid #3a3a4a;
  background: #0e0e13; color: var(--text); outline: none; -webkit-user-select: text; user-select: text; }
.nat { height: 34vh; resize: none; line-height: 1.4; }
.nm:focus, .nat:focus { border-color: var(--amber); }
#toast { position: fixed; left: 50%; top: calc(56px + var(--sat)); transform: translateX(-50%); z-index: 40; background: #2a2010;
  color: var(--amberSoft); border: 1px solid #5a4318; padding: 7px 14px; border-radius: 18px; font-size: 13.5px; box-shadow: 0 6px 20px #0008;
  pointer-events: none; }
.offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* the keyboard folded away: the log gets the room */
#app.nokb #kb, #app.nokb #hint { display: none; }
#app.nokb #tools { padding-bottom: calc(5px + var(--sab)); }
.tb.ic { display: flex; align-items: center; justify-content: center; }
.tb.ic svg { width: 22px; height: 22px; pointer-events: none; }
.tb.hide { flex: 0 0 48px; color: var(--amber); background: #2a2010; }
/* plain results wrap to the screen; tables (box lines) keep their shape and swipe sideways */
.out .ok.wrap { white-space: pre-wrap; overflow-wrap: anywhere; }