/* QUEEN CITY CHESS — a Btown Games production */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --night: #102f3d;
  --night-deep: #09212c;
  --lake: #1c5a6b;
  --lake-bright: #2f7b88;
  --cream: #f5edda;
  --paper: #fff9ea;
  --gold: #f3b83f;
  --gold-deep: #c9811d;
  --maple: #cf523d;
  --green: #477b69;
  --green-deep: #2f5c4f;
  --ink: #18282d;
  --muted: #a9c0bd;
}

html, body {
  min-height: 100%;
  background: var(--night-deep);
  color: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overscroll-behavior: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100dvh;
  background:
    radial-gradient(circle at 50% -20%, rgba(243, 184, 63, 0.25), transparent 45%),
    linear-gradient(180deg, #296878 0%, var(--night) 57%, var(--night-deep) 100%);
}

button { font: inherit; }
button:focus-visible, a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.hidden { display: none !important; }

#app {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  overflow: hidden;
}

.screen {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 100dvh;
  padding:
    max(18px, env(safe-area-inset-top))
    max(14px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom))
    max(14px, env(safe-area-inset-left));
}

/* A small Church Street / City Hall silhouette keeps the Queen City present. */
.skyline {
  position: fixed;
  z-index: 0;
  inset: auto 0 0;
  height: 26vh;
  opacity: 0.48;
  overflow: hidden;
  pointer-events: none;
}
.skyline::after {
  content: "";
  position: absolute;
  inset: 45% 0 0;
  background: linear-gradient(180deg, #0a2835 0 15%, #071a24 15%);
}
.mountain {
  position: absolute;
  bottom: 48%;
  width: 60vw;
  height: 16vh;
  background: #123d4b;
  transform: rotate(13deg) skewX(-20deg);
  border-radius: 34% 60% 10% 10%;
}
.m1 { left: -10%; }
.m2 { right: -15%; transform: rotate(-10deg) skewX(18deg); }
.city-hall {
  position: absolute;
  z-index: 2;
  bottom: 0;
  left: 50%;
  width: 84px;
  height: 98px;
  transform: translateX(-50%);
  background: #071a24;
}
.city-hall::before {
  content: "";
  position: absolute;
  left: 22px;
  top: -42px;
  width: 40px;
  height: 44px;
  background: #071a24;
  clip-path: polygon(10% 100%, 10% 45%, 35% 45%, 50% 0, 65% 45%, 90% 45%, 90% 100%);
}
.city-hall i {
  position: absolute;
  left: 35px;
  top: -22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(245, 237, 218, 0.6);
}

/* ---------------------------------------------------------------- menu */

#menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.menu-card {
  width: min(100%, 520px);
  margin: auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 2.5vh, 24px);
  padding: clamp(20px, 4vh, 38px) clamp(14px, 4vw, 30px);
  border: 2px solid rgba(245, 237, 218, 0.16);
  border-radius: 30px;
  background: linear-gradient(155deg, rgba(16, 47, 61, 0.92), rgba(9, 33, 44, 0.88));
  box-shadow: 0 26px 70px rgba(3, 16, 22, 0.48), inset 0 1px rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(5px);
}

.eyebrow {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.25em;
  color: var(--muted);
}

h1 {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--cream);
  line-height: 0.92;
  text-align: center;
  text-shadow: 0 5px 0 rgba(5, 24, 32, 0.75), 0 12px 28px rgba(0, 0, 0, 0.35);
}
h1 span:not(.title-crown) {
  font-size: clamp(24px, 7vw, 40px);
  font-weight: 900;
  letter-spacing: 0.08em;
}
h1 strong {
  font-size: clamp(58px, 18vw, 96px);
  letter-spacing: -0.055em;
  color: var(--gold);
}
.title-crown {
  position: absolute;
  top: -36px;
  right: 3px;
  font-size: 34px;
  color: var(--maple);
  transform: rotate(10deg);
  text-shadow: 0 3px 0 var(--night-deep);
}

.tagline {
  color: var(--cream);
  font-size: clamp(14px, 4vw, 17px);
  font-weight: 650;
  line-height: 1.45;
  text-align: center;
}

.modes {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bot-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mode-btn {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 2px solid rgba(245, 237, 218, 0.24);
  border-radius: 16px;
  padding: 12px 10px;
  color: var(--cream);
  background: rgba(47, 123, 136, 0.18);
  box-shadow: 0 5px 0 rgba(4, 22, 29, 0.65);
  cursor: pointer;
  transition: transform 80ms ease, background 120ms ease;
}
.mode-btn:active { transform: translateY(3px); box-shadow: 0 2px 0 rgba(4, 22, 29, 0.65); }
.mode-btn:hover { background: rgba(47, 123, 136, 0.34); }
.pass-btn {
  color: var(--ink);
  border-color: #d79725;
  background: linear-gradient(180deg, #ffd66f, var(--gold));
}
.pass-btn:hover { background: linear-gradient(180deg, #ffe18f, #f4bd49); }
.mode-btn > span:last-child { display: flex; flex-direction: column; gap: 3px; text-align: left; }
.mode-btn b { font-size: 13px; letter-spacing: 0.06em; }
.mode-btn small { color: var(--muted); font-size: 10px; font-style: italic; line-height: 1.2; }
.pass-btn small { color: #59461f; }
.mode-icon { flex: none; font-size: 24px; }
.club .mode-icon { color: var(--gold); }

/* ------------------------------------------------------------ online play */

.online-label {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-align: center;
  text-transform: uppercase;
}
#onlineRow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}
#rejoinBtn {
  align-self: center;
  color: var(--gold);
}
.op-card {
  width: min(92vw, 360px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px;
  border: 3px solid var(--gold-deep);
  border-radius: 20px;
  color: var(--cream);
  background: linear-gradient(145deg, var(--lake), var(--night));
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.52);
  text-align: center;
}
.op-title {
  color: var(--gold);
  font-size: 16px;
  font-weight: 950;
  letter-spacing: 0.1em;
}
.op-label {
  margin-bottom: -6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-align: left;
}
.op-card input {
  width: 100%;
  padding: 12px;
  border: 2px solid rgba(245, 237, 218, 0.3);
  border-radius: 12px;
  outline: none;
  color: var(--cream);
  background: rgba(9, 33, 44, 0.72);
  font-size: 18px;
  font-weight: 750;
  text-align: center;
}
.op-card input:focus { border-color: var(--gold); }
#opCode {
  font-size: 24px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}
.op-error {
  color: #ffb09c;
  font-size: 13px;
  font-weight: 750;
}
.op-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}
.op-btns .primary-btn { margin-top: 0; }
#lobbyCode {
  padding: 6px 0;
  color: var(--gold);
  font-size: 44px;
  font-weight: 950;
  letter-spacing: 0.35em;
  text-indent: 0.35em;
  text-shadow: 0 3px 0 var(--night-deep);
  animation: lobbyPulse 1.6s ease-in-out infinite;
}
@keyframes lobbyPulse { 50% { opacity: 0.75; } }
#lobbyHint { color: var(--muted); font-size: 13px; }

footer {
  flex: none;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  text-align: center;
}
footer a { color: var(--gold); font-weight: 800; text-decoration: none; }

/* ---------------------------------------------------------------- game */

#game {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(8px, 1.5vh, 14px);
  overflow-y: auto;
}

.topbar {
  width: min(100%, 860px);
  display: grid;
  grid-template-columns: 88px 1fr 44px 88px;
  align-items: center;
  gap: 8px;
}

.chip-btn {
  min-height: 42px;
  padding: 8px 10px;
  border: 2px solid rgba(245, 237, 218, 0.25);
  border-radius: 11px;
  color: var(--cream);
  background: rgba(9, 33, 44, 0.62);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.chip-btn:active { background: rgba(245, 237, 218, 0.14); }
.chip-btn.armed { color: #fff; border-color: var(--maple); background: rgba(207, 82, 61, 0.35); }
.chip-btn:disabled { opacity: 0.4; cursor: default; }
.icon-btn { padding-inline: 5px; font-size: 17px; letter-spacing: 0; }

#modeLabel {
  min-width: 0;
  overflow: hidden;
  color: var(--gold);
  font-size: clamp(11px, 3.2vw, 14px);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#status {
  min-height: 35px;
  padding: 7px 16px;
  border: 1px solid rgba(245, 237, 218, 0.16);
  border-radius: 999px;
  color: var(--cream);
  background: rgba(9, 33, 44, 0.54);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-align: center;
}
#status.check { color: #fff; background: var(--maple); border-color: #ff9d83; animation: checkPulse 900ms ease-in-out infinite; }
#status.thinking { color: var(--gold); }
@keyframes checkPulse { 50% { transform: scale(1.025); } }

#botQuip {
  max-width: min(94vw, 540px);
  margin-top: -5px;
  color: var(--gold);
  font-size: 12px;
  font-style: italic;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
}

.play-area {
  width: min(100%, 860px);
  display: grid;
  grid-template-columns: minmax(0, 540px) minmax(190px, 1fr);
  align-items: start;
  justify-content: center;
  gap: 16px;
}

.board-frame {
  position: relative;
  width: 100%;
  padding: clamp(8px, 2vw, 12px);
  border-radius: 16px;
  background: linear-gradient(135deg, #b4782d, #6e3e1d 50%, #a76727);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.42), inset 0 0 0 2px rgba(255, 222, 149, 0.24);
}
.board-crown {
  position: absolute;
  z-index: 4;
  top: -15px;
  left: 50%;
  width: 33px;
  height: 27px;
  transform: translateX(-50%);
  color: var(--gold);
  background: #72401e;
  border: 2px solid #c88b35;
  border-radius: 50% 50% 7px 7px;
  font-size: 21px;
  line-height: 24px;
  text-align: center;
  text-shadow: 0 2px #47230d;
}

.capture-tray {
  min-height: 26px;
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 6px;
  padding: 1px 4px 5px;
  color: rgba(255, 249, 234, 0.78);
}
.capture-tray.white-tray { padding: 5px 4px 1px; }
.capture-tray > span {
  font-size: 8px;
  font-weight: 950;
  letter-spacing: 0.1em;
}
.captured-pieces {
  min-width: 0;
  min-height: 20px;
  display: flex;
  align-items: center;
  overflow: hidden;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(17px, 4.5vw, 23px);
  letter-spacing: -0.18em;
  line-height: 1;
}
.captured-pieces span + span { margin-left: -0.18em; }
.captured-pieces .captured-white {
  color: #fff9e9;
  text-shadow: -1px 0 #27373a, 0 1px #27373a;
}
.captured-pieces .captured-black {
  color: #172a30;
  text-shadow: 0 1px rgba(255, 255, 255, 0.3);
}
.captured-pieces.just-captured { animation: trayPop 300ms ease-out; }
@keyframes trayPop {
  45% { color: var(--gold); transform: scale(1.045); }
}

#board {
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  overflow: hidden;
  border: 2px solid rgba(43, 25, 13, 0.55);
  border-radius: 5px;
  background: var(--cream);
}

.square {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  cursor: pointer;
}
.square.light { background: #f0dfbd; }
.square.dark { background: var(--green); }
.square.last.light { background: #e9c868; }
.square.last.dark { background: #9ba94e; }
.square.selected { box-shadow: inset 0 0 0 4px var(--gold); }
.square.check {
  background: radial-gradient(circle, #ffb09f 0 32%, var(--maple) 75%);
  box-shadow: inset 0 0 0 3px #8f291f;
}
.square.check-flash::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 238, 220, 0.95), rgba(229, 49, 34, 0.82) 42%, transparent 72%);
  pointer-events: none;
  animation: kingFlash 520ms ease-out forwards;
}
@keyframes kingFlash {
  from { opacity: 1; transform: scale(0.25); }
  to { opacity: 0; transform: scale(1.45); }
}
.square::before {
  content: "";
  position: absolute;
  z-index: 1;
  width: 22%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: transparent;
  pointer-events: none;
}
.square.legal::before { background: rgba(16, 47, 61, 0.48); }
.square.legal.capture::before {
  width: 78%;
  background: transparent;
  border: clamp(3px, 0.8vw, 7px) solid rgba(207, 82, 61, 0.72);
}
.piece {
  position: relative;
  z-index: 2;
  display: inline-block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 11.1vw, 65px);
  line-height: 1;
  transform: translateY(-1%);
  pointer-events: none;
}
.piece.white {
  color: #fff9e9;
  text-shadow:
    -1px -1px 0 #27373a, 1px -1px 0 #27373a,
    -1px 1px 0 #27373a, 1px 1px 0 #27373a,
    0 3px 2px rgba(0, 0, 0, 0.28);
}
.piece.black {
  color: #172a30;
  text-shadow: 0 2px 1px rgba(255, 255, 255, 0.18), 0 3px 3px rgba(0, 0, 0, 0.25);
}
/* The local queens wear a tiny gold crown flourish. */
.piece.queen::after {
  content: "♛";
  position: absolute;
  top: -10%;
  right: -13%;
  color: var(--gold);
  font-size: 0.26em;
  text-shadow: 0 1px 0 #68410b;
  transform: rotate(12deg);
}

.capture-ghost {
  position: fixed;
  z-index: 30;
  display: grid;
  place-items: center;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
  pointer-events: none;
  animation: capturedAway 270ms ease-in forwards;
}
.capture-ghost.white {
  color: #fff9e9;
  text-shadow:
    -1px -1px 0 #27373a, 1px -1px 0 #27373a,
    -1px 1px 0 #27373a, 1px 1px 0 #27373a,
    0 3px 2px rgba(0, 0, 0, 0.28);
}
.capture-ghost.black {
  color: #172a30;
  text-shadow: 0 2px 1px rgba(255, 255, 255, 0.18), 0 3px 3px rgba(0, 0, 0, 0.25);
}
@keyframes capturedAway {
  45% { opacity: 0.9; transform: scale(1.14) rotate(-5deg); }
  to { opacity: 0; transform: scale(0.35) rotate(12deg); }
}

.move-callout {
  position: absolute;
  z-index: 8;
  top: 50%;
  left: 50%;
  padding: 8px 15px;
  border: 2px solid #ffb09f;
  border-radius: 10px;
  color: #fff;
  background: rgba(143, 41, 31, 0.93);
  box-shadow: 0 5px 0 rgba(72, 20, 16, 0.75);
  font-size: clamp(18px, 6vw, 32px);
  font-weight: 1000;
  letter-spacing: 0.12em;
  text-shadow: 0 2px rgba(72, 20, 16, 0.8);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.move-callout.show { animation: calloutIn 650ms ease-out forwards; }
.move-callout.capture-callout {
  border-color: var(--gold);
  background: rgba(16, 47, 61, 0.92);
  box-shadow: 0 5px 0 rgba(9, 33, 44, 0.8);
  font-size: clamp(13px, 4vw, 20px);
}
@keyframes calloutIn {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.7) rotate(-2deg); }
  18%, 68% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  to { opacity: 0; transform: translate(-50%, -58%) scale(0.96); }
}

.score-card {
  min-height: 180px;
  max-height: 540px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(245, 237, 218, 0.17);
  border-radius: 14px;
  color: var(--ink);
  background: rgba(255, 249, 234, 0.94);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.score-heading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  color: var(--cream);
  background: var(--green-deep);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
#moveList {
  flex: 1;
  overflow-y: auto;
  list-style-position: inside;
  padding: 9px 12px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.65;
}
#moveList li { display: grid; grid-template-columns: 28px 1fr 1fr; gap: 6px; border-bottom: 1px solid rgba(24, 40, 45, 0.08); }
#moveList .num { color: #70827e; }
#emptyMoves { margin: auto; padding: 18px; color: #758681; font-size: 12px; font-style: italic; }

.result-card {
  position: relative;
  z-index: 5;
  width: min(100%, 540px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  border: 2px solid rgba(243, 184, 63, 0.65);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(16, 47, 61, 0.98), rgba(9, 33, 44, 0.98));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  animation: resultIn 380ms cubic-bezier(0.2, 1.4, 0.4, 1);
}
.result-card.settled { animation: none; }
.result-card.loss { border-color: rgba(169, 192, 189, 0.55); }
#resultKicker { color: var(--gold); font-size: 18px; font-weight: 1000; letter-spacing: 0.15em; }
#resultText { color: var(--cream); font-size: 13px; font-weight: 800; text-align: center; }
.primary-btn {
  min-height: 44px;
  margin-top: 3px;
  padding: 9px 25px;
  border: 2px solid #d28d22;
  border-radius: 12px;
  color: var(--ink);
  background: linear-gradient(180deg, #ffd66f, var(--gold));
  box-shadow: 0 4px 0 #835013;
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 0.1em;
  cursor: pointer;
}
.primary-btn:active { transform: translateY(2px); box-shadow: 0 2px 0 #835013; }
@keyframes resultIn { from { opacity: 0; transform: scale(0.72) rotate(-2deg); } }

/* ---------------------------------------------------------- leaderboard */

#lb {
  width: min(100%, 340px);
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px solid rgba(245, 237, 218, 0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.lb-tabs { display: flex; gap: 8px; }
.lb-tabs .chip-btn { opacity: 0.6; }
.lb-tabs .chip-btn.sel {
  opacity: 1;
  border-color: rgba(243, 184, 63, 0.65);
  color: var(--gold);
}
.lb-status {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--muted);
  text-align: center;
  min-height: 15px;
}
#lbList {
  list-style: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
#lbList li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  color: var(--cream);
  padding: 3px 8px;
  border-radius: 8px;
}
#lbList li.me { background: rgba(243, 184, 63, 0.16); color: var(--gold); }
#lbList .rank { width: 26px; text-align: center; }
#lbList .nm {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#lbList .sc { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lb-form { display: flex; gap: 8px; width: 100%; }
.lb-form input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  color: var(--cream);
  background: rgba(9, 33, 44, 0.62);
  border: 2px solid rgba(245, 237, 218, 0.25);
  border-radius: 11px;
  outline: none;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  user-select: text;
}
.lb-form input:focus { border-color: var(--gold); }

#celebration {
  position: fixed;
  z-index: 4;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
#celebration i {
  position: absolute;
  top: -12%;
  font-style: normal;
  font-size: clamp(24px, 9vw, 48px);
  animation: victoryFall 2.7s ease-in forwards;
}
#celebration i:nth-child(1) { left: 8%; animation-delay: 0.1s; }
#celebration i:nth-child(2) { left: 25%; animation-delay: 0.5s; }
#celebration i:nth-child(3) { left: 42%; animation-delay: 0.25s; }
#celebration i:nth-child(4) { left: 59%; animation-delay: 0.65s; }
#celebration i:nth-child(5) { left: 76%; animation-delay: 0.2s; }
#celebration i:nth-child(6) { left: 90%; animation-delay: 0.8s; }
#celebration.loss i { animation-duration: 3.2s; opacity: 0.72; }
@keyframes victoryFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translateY(115vh) rotate(520deg); opacity: 0.85; }
}

/* --------------------------------------------------------- promotion */

.overlay {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(4, 20, 27, 0.78);
  backdrop-filter: blur(4px);
}
.promotion-card {
  width: min(92vw, 370px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 18px;
  border: 3px solid var(--gold-deep);
  border-radius: 20px;
  color: var(--cream);
  background: linear-gradient(145deg, var(--lake), var(--night));
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.52);
}
#promotionTitle { color: var(--gold); font-size: 17px; font-weight: 950; letter-spacing: 0.11em; }
.promotion-card p { color: var(--muted); font-size: 12px; }
#promotionChoices { width: 100%; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.promotion-choice {
  aspect-ratio: 1;
  border: 2px solid rgba(245, 237, 218, 0.3);
  border-radius: 12px;
  color: var(--cream);
  background: rgba(9, 33, 44, 0.65);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 43px;
  cursor: pointer;
}
.promotion-choice:hover { border-color: var(--gold); background: rgba(243, 184, 63, 0.18); }

/* ------------------------------------------------------------ phone */

@media (max-width: 699px) {
  .play-area {
    width: min(100%, 540px);
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .score-card { min-height: 91px; max-height: 120px; }
  .score-heading { padding: 7px 10px; }
  #moveList { padding: 5px 10px 8px; font-size: 12px; }
  #emptyMoves { padding: 12px; }
}

@media (max-width: 380px) {
  .screen { padding-left: 9px; padding-right: 9px; }
  .bot-row { gap: 7px; }
  #onlineRow { gap: 7px; }
  .mode-btn { gap: 6px; padding-left: 6px; padding-right: 6px; }
  .mode-icon { font-size: 20px; }
  .mode-btn b { font-size: 11px; }
  .mode-btn small { font-size: 9px; }
  .topbar { grid-template-columns: 73px 1fr 40px 73px; gap: 5px; }
  .chip-btn { padding: 7px 6px; font-size: 10px; }
  .icon-btn { font-size: 16px; }
  .capture-tray { grid-template-columns: 65px 1fr; }
}

@media (max-height: 690px) {
  .menu-card { gap: 11px; padding-top: 20px; padding-bottom: 20px; }
  h1 strong { font-size: clamp(52px, 15vh, 74px); }
  .mode-btn { min-height: 64px; padding-top: 8px; padding-bottom: 8px; }
  .online-label { margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .move-callout,
  .capture-ghost {
    display: none !important;
  }
}