:root {
  --bg: #07100b;
  --panel: #0d1a12;
  --panel2: #10231766;
  --line: #1d3a28;
  --green: #3dff7c;
  --green-dim: #1b4a2c;
  --amber: #ffc857;
  --red: #ff5f6d;
  --cyan: #5ad7ff;
  --text: #cfe8d6;
  --muted: #7fae8f;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 700px at 50% -10%, #0d2013 0%, var(--bg) 60%);
  color: var(--text);
  font-family: "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
  min-height: 100vh;
}
#app { max-width: 1150px; margin: 0 auto; padding: 12px 16px 40px; }

#topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 8px 16px; flex-wrap: wrap;
  padding: 6px 2px 14px;
}
.brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.brand .sep { color: var(--line); font-size: 16px; }
.navlink {
  color: var(--muted); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; text-decoration: none;
}
.navlink:hover { color: var(--green); text-shadow: 0 0 8px rgba(61,255,124,.4); }
.logo {
  font-size: 22px; font-weight: 800; letter-spacing: 4px; color: var(--green);
  text-shadow: 0 0 12px rgba(61,255,124,.55);
}
.badge33 {
  font-size: 12px; letter-spacing: 1px; vertical-align: super;
  color: var(--amber); border: 1px solid var(--amber); border-radius: 4px;
  padding: 1px 5px; margin-left: 4px;
}
#roominfo { color: var(--muted); font-size: 13px; text-align: right; }
#roominfo b { color: var(--amber); letter-spacing: 2px; }

/* subtle text-link button (topbar Abandon) */
.linkbtn {
  background: none; border: none; padding: 0; margin: 0;
  font: inherit; font-size: 12px; color: var(--muted);
  cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}
.linkbtn:hover:not(:disabled) { color: var(--red); border-color: transparent; box-shadow: none; }

h1, h2, h3 { font-weight: 700; }
button {
  font: inherit; color: var(--text); background: #12281a;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 14px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--green); box-shadow: 0 0 8px rgba(61,255,124,.25); }
button:disabled { opacity: .38; cursor: default; }
button.primary { background: var(--green-dim); border-color: #2e7a46; color: #d9ffe6; }
button.danger { border-color: #6e2a31; background: #2a1114; color: #ffb9bf; }
input[type=text] {
  font: inherit; color: var(--text); background: #0a1710;
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
input[type=text]:focus { outline: none; border-color: var(--green); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; margin: 0 auto 16px;
}
.center { max-width: 460px; text-align: center; }
.card h2 { margin: 0 0 12px; color: var(--green); letter-spacing: 2px; }
.row { display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.hint { color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.divider { border-top: 1px dashed var(--line); margin: 16px 0; }

/* Lobby */
.roomcode { font-size: 40px; letter-spacing: 12px; color: var(--amber); text-shadow: 0 0 14px rgba(255,200,87,.4); margin: 4px 0 2px; }
.playerlist { list-style: none; margin: 10px 0; padding: 0; text-align: left; }
.playerlist li { padding: 6px 10px; border-bottom: 1px dashed var(--line); display: flex; gap: 8px; align-items: center; }
.playerlist .tag { font-size: 11px; color: var(--amber); border: 1px solid var(--amber); border-radius: 4px; padding: 0 4px; }
.playerlist .off { color: var(--muted); font-size: 11px; }
.modecard {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  cursor: pointer; text-align: left; background: var(--panel2); flex: 1; min-width: 180px;
}
.modecard.sel { border-color: var(--green); box-shadow: 0 0 10px rgba(61,255,124,.2); }
.modecard h3 { margin: 0 0 4px; color: var(--green); font-size: 15px; }
.modecard p { margin: 0; font-size: 12px; color: var(--muted); }
label.opt { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); cursor: pointer; justify-content: center; }

/* Code entry */
.codegrid { display: grid; grid-template-columns: repeat(3, 54px); gap: 8px; justify-content: center; margin: 12px 0; }
.codegrid input {
  width: 54px; height: 60px; text-align: center; font-size: 30px; color: var(--green);
  background: #0a1710; border: 1px solid var(--line); border-radius: 8px;
}
.codegrid input:focus { outline: none; border-color: var(--green); }
.errs { color: var(--red); font-size: 12.5px; min-height: 18px; text-align: left; }
.okmsg { color: var(--green); font-size: 12.5px; }

/* Game layout */
#game { display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; }
#left { flex: 0 1 520px; min-width: 340px; }
#right { flex: 1 1 340px; min-width: 300px; display: flex; flex-direction: column; gap: 12px; }

#turnbanner {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px;
  background: var(--panel); font-size: 14px;
}
#turnbanner.you { border-color: var(--green); box-shadow: 0 0 12px rgba(61,255,124,.25); color: #d9ffe6; }
#turnbanner.lastchance { border-color: var(--red); color: #ffd4d8; box-shadow: 0 0 12px rgba(255,95,109,.3); }

#board { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px; }
#board svg { display: block; width: 100%; height: auto; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.panel h3 { margin: 0 0 8px; font-size: 13px; letter-spacing: 2px; color: var(--muted); }

.qtypes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.qtypes button { font-size: 12.5px; padding: 7px 8px; }
.qtypes button.active { border-color: var(--cyan); color: #d8f4ff; box-shadow: 0 0 8px rgba(90,215,255,.3); }
.qtypes button .done { color: var(--green); }
#qhint { font-size: 12px; color: var(--muted); margin: 8px 0; min-height: 16px; }
#qpreview { font-size: 13px; color: var(--cyan); margin: 4px 0 8px; min-height: 18px; }

#players .p { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; }
#players .turnmark { color: var(--green); }
#players .strikes { color: var(--red); letter-spacing: 2px; }
#players .elim { color: var(--red); font-size: 11px; border: 1px solid var(--red); border-radius: 4px; padding: 0 4px; }
#players .off { color: var(--muted); font-size: 11px; }

#log { max-height: 300px; overflow-y: auto; font-size: 12.5px; line-height: 1.55; }
#log .entry { padding: 3px 0; border-bottom: 1px dashed #14291c; color: var(--text); }
#log .entry .n { color: var(--muted); }
#log .entry.declare { color: var(--amber); }
#log .entry.system { color: var(--muted); font-style: italic; }

#mycode svg { display: block; margin-top: 4px; }

/* Board SVG pieces */
.seg { fill: #0f2418; stroke: #245038; stroke-width: 1.2; cursor: pointer; }
.seg:hover { stroke: var(--cyan); }
.seg.filled { fill: var(--green); stroke: #2ecf63; filter: drop-shadow(0 0 3px rgba(61,255,124,.8)); }
.seg.empty { fill: #05090660; stroke: #383838; stroke-dasharray: 3 2; }
.seg.known { stroke: var(--amber); stroke-width: 2.6; filter: drop-shadow(0 0 3px rgba(255,200,87,.9)); }
.seg.qsel { stroke: var(--cyan); stroke-width: 2.6; }
.seg.linesel { stroke: var(--cyan); stroke-width: 1.8; }

.headtxt { fill: var(--muted); font-size: 12px; font-weight: 700; cursor: pointer; }
.headtxt:hover { fill: var(--cyan); }
.headtxt.sel { fill: var(--cyan); }
.countbox { fill: #0a1710; stroke: var(--line); cursor: pointer; }
.countbox:hover { stroke: var(--cyan); }
.countbox.sel { stroke: var(--cyan); stroke-width: 2; }
.counttxt { fill: var(--amber); font-size: 12px; font-weight: 700; text-anchor: middle; pointer-events: none; }

/* bare like the A/B/C and 1/2/3 labels — no box; outline only on hover/select */
.chip { fill: transparent; stroke: none; cursor: pointer; }
.chip:hover { stroke: var(--cyan); }
.chip.sel { stroke: var(--cyan); stroke-width: 2; }
.chiptxt { fill: var(--muted); font-size: 10.5px; font-weight: 700; text-anchor: middle; pointer-events: none; }
.paritytag { font-size: 9px; font-weight: 700; text-anchor: middle; pointer-events: none; }
.paritytag.even { fill: var(--amber); }
.paritytag.odd { fill: var(--amber); }

.cand { fill: #6d947b; font-size: 11px; cursor: pointer; text-anchor: middle; }
.cand:hover { fill: var(--cyan); }
.cand.struck { fill: #37493e; text-decoration: line-through; }
.cand.auto { fill: #2c3a31; text-decoration: line-through; }
.cand.locked { fill: var(--green); font-weight: 800; text-decoration: none; }
.cand.locked:hover { fill: var(--green); }

.cmp { fill: #33523f; font-size: 13px; font-weight: 700; text-anchor: middle; cursor: pointer; }
.cmp.noted { fill: #6ea8d8; }   /* pencilled guess (not yet confirmed) */
.cmp:hover { fill: var(--cyan); }
.cmp.hit { fill: var(--amber); filter: drop-shadow(0 0 3px rgba(255,200,87,.6)); }
.cmp.qselc { fill: var(--cyan); }

.blockov { fill: transparent; cursor: pointer; }
.blockov:hover { fill: rgba(90,215,255,.07); }
.blockov.selb { fill: rgba(90,215,255,.12); stroke: var(--cyan); stroke-width: 2; rx: 6; }
.blockov.hintb { stroke: #2b6f8a; stroke-width: 1.5; stroke-dasharray: 4 3; }

/* Reveal boards */
.reveal { display: flex; gap: 26px; flex-wrap: wrap; justify-content: center; margin: 14px 0; }
.reveal .who { text-align: center; }
.reveal .who .nm { color: var(--muted); font-size: 13px; margin-bottom: 6px; }

/* End-of-game recap */
.recap { text-align: left; margin: 10px 0 4px; }
.recap-h { color: var(--green); letter-spacing: 1px; font-size: 13px; margin: 16px 0 6px; }
.scoreboard { display: flex; flex-direction: column; gap: 5px; }
.sb-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px;
  padding: 6px 10px; background: #0a1710; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; }
.sb-row.won { border-color: var(--amber); box-shadow: 0 0 8px rgba(255,200,87,.2); }
.sb-nm { font-weight: 700; color: var(--text); min-width: 80px; }
.sb-stat { color: var(--muted); font-size: 12px; }
.sb-badge { margin-left: auto; }
.sb-win { color: var(--amber); font-weight: 800; letter-spacing: 1px; }
.sb-out { color: var(--muted); font-weight: 700; }
.recap-log { max-height: 240px; overflow-y: auto; font-size: 12.5px; line-height: 1.55;
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: #0a1710; }
.recap-log .entry { padding: 3px 0; border-bottom: 1px dashed #14291c; color: var(--text); }
.recap-log .entry:last-child { border-bottom: none; }
.recap-log .entry .n { color: var(--muted); }
.recap-log .entry.declare { color: var(--amber); }
.recap-log .entry.system { color: var(--muted); font-style: italic; }

/* Modal */
.modal {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(3, 8, 5, .75); z-index: 50;
}
.modal.open { display: flex; }
.modal .box {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 26px; max-width: 420px; width: 92%; text-align: center;
}
.modal h2 { margin: 0 0 6px; color: var(--green); }

/* Toast */
#toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: #1a0f11; border: 1px solid var(--red); color: #ffd4d8;
  border-radius: 10px; padding: 10px 18px; font-size: 13px; font-family: inherit;
  opacity: 0; pointer-events: none; transition: all .25s; z-index: 60; max-width: 90%;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 760px) {
  #left { flex-basis: 100%; min-width: 0; }
  #log { max-height: 200px; }
}

/* The whole app is auto-zoomed to fill the window in JS (fitApp) — like browser
   zoom — so the layout here stays fluid and the board keeps width:100%/height:auto. */

/* ── accessibility: adjustable UI text size ── */
:root { --tscale: 1; }
body.ts-lg { --tscale: 1.18; }
body.ts-xl { --tscale: 1.38; }

.topright { display: flex; align-items: center; gap: 12px; }
.a11y { display: inline-flex; gap: 4px; }
.a11y[hidden] { display: none; }
.navbtn {
  font: inherit; font-size: calc(12px * var(--tscale)); line-height: 1;
  color: var(--muted); background: #12281a; border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 8px; cursor: pointer; letter-spacing: 1px;
}
.navbtn:hover:not(:disabled) { border-color: var(--green); color: var(--green); box-shadow: 0 0 6px rgba(61,255,124,.2); }
.navbtn:disabled { opacity: .35; cursor: default; }

/* scale the text-heavy UI (the board's own labels scale with the board itself) */
#turnbanner { font-size: calc(14px * var(--tscale)); }
.panel h3 { font-size: calc(13px * var(--tscale)); }
.qtypes button { font-size: calc(12.5px * var(--tscale)); }
#qhint { font-size: calc(12px * var(--tscale)); }
#qpreview { font-size: calc(13px * var(--tscale)); }
#players .p { font-size: calc(13px * var(--tscale)); }
#log { font-size: calc(12.5px * var(--tscale)); }
.hint { font-size: calc(12.5px * var(--tscale)); }
.errs, .okmsg { font-size: calc(12.5px * var(--tscale)); }
#roominfo { font-size: calc(13px * var(--tscale)); }
.navlink { font-size: calc(12px * var(--tscale)); }
.linkbtn { font-size: calc(12px * var(--tscale)); }
.modecard h3 { font-size: calc(15px * var(--tscale)); }
.modecard p { font-size: calc(12px * var(--tscale)); }
label.opt { font-size: calc(13px * var(--tscale)); }
.playerlist .tag { font-size: calc(11px * var(--tscale)); }
.playerlist .off, #players .off { font-size: calc(11px * var(--tscale)); }
#players .elim { font-size: calc(11px * var(--tscale)); }
button { font-size: calc(16px * var(--tscale)); }