/* FOUR IN A ROWBOAT — a Btown Games production */

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

:root {
  --navy: #0e2238;
  --navy-2: #16324e;
  --cream: #f6efdc;
  --cream-dim: #d9ccae;
  --sun: #f2a24a;
  --champ: #3fa860;
  --red: #d4553a;
  --red-deep: #a03823;
  --gold: #f2b34c;
  --gold-deep: #c07d1e;
  --panel: #1c4a6e;
  --panel-dark: #143a58;
  --hole: #0a2438;
  --wood: #8a5a33;
}

html, body {
  height: 100%;
  overscroll-behavior: none;
  background: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  position: fixed;
  inset: 0;
  overflow: hidden;
}

/* Dusk over the lake: night sky → sunset band → deep water */
#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    #0b1c30 0%,
    #16324e 26%,
    #594860 33%,
    #a05a48 40%,
    #e79352 45%,
    #123c5c 46%,
    #0e3049 70%,
    #081c30 100%
  );
}

#mountains {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(45% - 8vh);
  width: 100%;
  height: 8vh;
  opacity: 0.9;
  pointer-events: none;
}

.hidden { display: none !important; }

/* ---------------------------------------------------------------- screens */

.screen {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) 14px calc(env(safe-area-inset-bottom, 0px) + 8px);
}

#menu { justify-content: center; }

.menu-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3vh;
  width: 100%;
  max-width: 420px;
  flex: 1;
  justify-content: center;
  min-height: 0;
}

/* wordmark */
#logo { text-align: center; }
.l-four {
  display: block;
  font-size: clamp(18px, 3vh, 26px);
  font-weight: 900;
  letter-spacing: 0.55em;
  margin-left: 0.55em; /* optical centering vs letterspacing */
  color: var(--sun);
  text-shadow: 0 2px 0 rgba(14, 34, 56, 0.8);
}
.l-rowboat { display: block; margin-top: 0.6vh; white-space: nowrap; }
.l-rowboat i {
  display: inline-block;
  font-style: normal;
  font-weight: 900;
  font-size: clamp(38px, min(10vh, 12.5vw), 84px);
  line-height: 1;
  color: var(--red);
  -webkit-text-stroke: 2.5px var(--navy);
  text-shadow: 0 5px 0 var(--navy), 0 8px 18px rgba(0, 0, 0, 0.4);
  animation: bobble 2.6s ease-in-out infinite;
}
.l-rowboat i:nth-child(even) { color: var(--gold); }
.l-rowboat i:nth-child(2) { animation-delay: 0.12s; }
.l-rowboat i:nth-child(3) { animation-delay: 0.24s; }
.l-rowboat i:nth-child(4) { animation-delay: 0.36s; }
.l-rowboat i:nth-child(5) { animation-delay: 0.48s; }
.l-rowboat i:nth-child(6) { animation-delay: 0.6s; }
.l-rowboat i:nth-child(7) { animation-delay: 0.72s; }
@keyframes bobble {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50% { transform: translateY(-8px) rotate(1.5deg); }
}

#tagline {
  text-align: center;
  color: var(--cream);
  font-size: clamp(13px, 2vh, 16px);
  font-weight: 600;
  line-height: 1.45;
  text-shadow: 0 1px 4px rgba(14, 34, 56, 0.8);
}

#modes {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.big-btn {
  font-size: clamp(18px, 2.8vh, 23px);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--navy);
  background: linear-gradient(180deg, #ffc24e, var(--sun));
  border: 3px solid var(--navy);
  border-radius: 16px;
  padding: 14px 38px;
  box-shadow: 0 5px 0 var(--navy), 0 10px 22px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.06s ease;
}
.big-btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--navy); }

.mode-sub {
  font-size: 12px;
  color: var(--cream-dim);
  font-style: italic;
  text-shadow: 0 1px 3px rgba(14, 34, 56, 0.8);
  margin-top: -2px;
}

#botRow {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 380px;
  margin-top: 1vh;
}
.bot-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  padding: 12px 8px;
  color: var(--cream);
  background: rgba(14, 34, 56, 0.55);
  border: 2px solid rgba(246, 239, 220, 0.3);
  border-radius: 14px;
  cursor: pointer;
  touch-action: manipulation;
}
.bot-btn:active { background: rgba(246, 239, 220, 0.14); }
.bot-name { font-size: 14px; font-weight: 900; letter-spacing: 0.06em; }
.bot-blurb { font-size: 11px; color: var(--cream-dim); font-style: italic; }

#credit {
  flex: none;
  text-align: center;
  font-size: 12px;
  color: var(--cream-dim);
  text-shadow: 0 1px 3px rgba(14, 34, 56, 0.9);
  padding-bottom: 4px;
}
#credit a { color: var(--sun); font-weight: 700; text-decoration: none; }
#credit a:active { text-decoration: underline; }

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

#game { justify-content: flex-start; gap: 1vh; }

#topbar {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.chip-btn {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--cream);
  background: rgba(14, 34, 56, 0.55);
  border: 2px solid rgba(246, 239, 220, 0.3);
  border-radius: 12px;
  padding: 8px 12px;
  min-height: 44px; /* thumb-sized tap target */
  cursor: pointer;
  touch-action: manipulation;
}
.chip-btn:active { background: rgba(246, 239, 220, 0.2); }

#mute {
  font-size: 17px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 2px solid rgba(246, 239, 220, 0.25);
  background: rgba(14, 34, 56, 0.55);
  color: var(--cream);
  cursor: pointer;
  touch-action: manipulation;
}

#tally {
  flex: 1;
  text-align: center;
  font-size: clamp(13px, 2vh, 16px);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--cream);
  text-shadow: 0 1px 4px rgba(14, 34, 56, 0.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#tally .t-red { color: #ff8f73; }
#tally .t-gold { color: var(--gold); }

/* turn banner */
#turnbar { min-height: 34px; display: flex; align-items: center; }
#turnChip {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  padding: 7px 16px;
  border-radius: 999px;
  border: 2px solid var(--navy);
  color: var(--navy);
  box-shadow: 0 3px 0 rgba(14, 34, 56, 0.6);
  transition: background 0.2s ease, color 0.2s ease;
}
#turnChip.red { background: linear-gradient(180deg, #ff7b5c, var(--red)); color: #fff; }
#turnChip.gold { background: linear-gradient(180deg, #ffd06e, var(--gold)); }
#turnChip.thinking { animation: thinkPulse 1s ease-in-out infinite; }
@keyframes thinkPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ---------------------------------------------------------------- the boat */

#lake {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: none;
}

#threatChip {
  position: absolute;
  top: 8px;
  left: 50%;
  z-index: 6;
  transform: translateX(-50%);
  padding: 5px 9px;
  border: 1px solid rgba(255, 208, 110, 0.75);
  border-radius: 999px;
  background: rgba(14, 34, 56, 0.88);
  color: #ffd06e;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

#boat {
  position: relative;
  width: min(94vw, 440px, 62vh);
  z-index: 2;
}

#board {
  position: relative;
  width: 100%;
  aspect-ratio: 7 / 6;
  border-radius: 14px 14px 4px 4px;
  overflow: hidden;
  /* dusk water showing through the holes, behind the pieces */
  background: linear-gradient(180deg, #0d2c44, #081e32);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

#pieces { position: absolute; inset: 0; z-index: 1; }

#holes {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(6, 1fr);
  pointer-events: none;
}
/* each cell is painted panel with a transparent porthole punched out */
#holes > div {
  background: radial-gradient(circle at 50% 50%, transparent 39%, var(--panel-dark) 40.5%, var(--panel) 46%, var(--panel) 100%);
}

/* tap targets: 7 invisible column strips over the board */
#cols {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  aspect-ratio: 7 / 6; /* cover the board only, not the hull */
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
#cols > button {
  position: relative;
  background: transparent;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
#cols.disabled > button { pointer-events: none; }
#cols > button.danger::after {
  content: "";
  position: absolute;
  inset: 4px 3px;
  border: 2px solid rgba(255, 208, 110, 0.55);
  border-radius: 10px;
  background: rgba(242, 162, 74, 0.07);
  box-shadow: inset 0 0 12px rgba(242, 162, 74, 0.12);
  pointer-events: none;
  animation: dangerPulse 1.35s ease-in-out infinite;
}
@keyframes dangerPulse {
  50% { border-color: rgba(255, 208, 110, 0.95); background: rgba(242, 162, 74, 0.14); }
}
@media (hover: hover) {
  #cols > button:hover { background: rgba(246, 239, 220, 0.06); }
}

/* buoys */
.piece {
  position: absolute;
  width: calc(100% / 7);
  height: calc(100% / 6);
  padding: 4.5%;
  will-change: transform;
}
.piece::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  padding: 0;
}
.piece.red::before {
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.55) 0 8%, transparent 26%),
    linear-gradient(180deg, transparent 40%, transparent 44%, #f6efdc 44%, #f6efdc 58%, transparent 58%),
    radial-gradient(circle at 50% 42%, #ff7b5c, var(--red) 55%, var(--red-deep));
  box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.4);
}
.piece.gold::before {
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.6) 0 8%, transparent 26%),
    linear-gradient(180deg, transparent 40%, transparent 44%, #0e2238 44%, #0e2238 58%, transparent 58%),
    radial-gradient(circle at 50% 42%, #ffd06e, var(--gold) 55%, var(--gold-deep));
  box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.4);
}
.piece.preview {
  z-index: 1;
  opacity: 0.46;
  filter: saturate(0.75) brightness(1.15);
  pointer-events: none;
}
.piece.preview::before {
  outline: 2px dashed rgba(246, 239, 220, 0.8);
  outline-offset: -3px;
  box-shadow: none;
}

/* win line: glow + pulse; everything else dims */
#board.showdown .piece:not(.winner) { filter: brightness(0.45) saturate(0.7); }
.piece.winner { z-index: 2; }
.piece.winner::before {
  animation: winnerPulse 0.9s ease-in-out infinite;
  outline: 3px solid var(--cream);
  outline-offset: -1px;
}
@keyframes winnerPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 6px 2px rgba(246, 239, 220, 0.7); }
  50% { transform: scale(1.09); box-shadow: 0 0 18px 6px rgba(246, 239, 220, 0.9); }
}
.piece.impact { z-index: 3; }
.piece.impact::after {
  content: "";
  position: absolute;
  inset: 10%;
  border: 4px solid rgba(246, 239, 220, 0.95);
  border-radius: 50%;
  pointer-events: none;
  animation: winRipple 0.7s ease-out forwards;
}
@keyframes winRipple {
  from { transform: scale(0.55); opacity: 1; }
  to { transform: scale(2.5); opacity: 0; }
}
#board.win-impact { animation: boardShake 0.38s ease-out; }
@keyframes boardShake {
  0%, 100% { transform: translateX(0) rotate(0); }
  22% { transform: translateX(-5px) rotate(-0.35deg); }
  48% { transform: translateX(4px) rotate(0.3deg); }
  72% { transform: translateX(-2px) rotate(-0.15deg); }
}

/* the hull under the board */
#hull {
  display: block;
  width: 108%;
  margin-left: -4%;
  height: auto;
  margin-top: -2px;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.5));
}

/* waves lapping in front of the boat */
.waves {
  position: absolute;
  left: -10%;
  right: -10%;
  height: 26px;
  background-repeat: repeat-x;
  background-size: 90px 26px;
  pointer-events: none;
}
.waves-back {
  bottom: 4px;
  z-index: 1;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='26'%3E%3Cpath d='M0 13 Q11 4 22.5 13 T45 13 T67.5 13 T90 13 V26 H0 Z' fill='%231b4f78'/%3E%3C/svg%3E");
  animation: lap 7s linear infinite;
}
.waves-front {
  bottom: -6px;
  z-index: 3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='26'%3E%3Cpath d='M0 13 Q11 5 22.5 13 T45 13 T67.5 13 T90 13 V26 H0 Z' fill='%23123c5c'/%3E%3C/svg%3E");
  animation: lap 5s linear infinite reverse;
}
#dropSplash {
  position: absolute;
  bottom: 0;
  z-index: 4;
  width: 64px;
  height: 34px;
  transform: translateX(-50%);
  opacity: 0;
  pointer-events: none;
}
#dropSplash::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 34px;
  height: 9px;
  border: 2px solid rgba(170, 224, 244, 0.75);
  border-radius: 50%;
  transform: translateX(-50%) scale(0.4);
}
#dropSplash i {
  position: absolute;
  left: 50%;
  bottom: 7px;
  width: 5px;
  height: 8px;
  border-radius: 50%;
  background: #9ed9ee;
}
#dropSplash i:nth-child(1) { --splash-dx: -24px; --splash-dy: -17px; }
#dropSplash i:nth-child(2) { --splash-dx: -12px; --splash-dy: -25px; }
#dropSplash i:nth-child(3) { --splash-dx: 0px; --splash-dy: -29px; }
#dropSplash i:nth-child(4) { --splash-dx: 13px; --splash-dy: -24px; }
#dropSplash i:nth-child(5) { --splash-dx: 25px; --splash-dy: -16px; }
#dropSplash.active { opacity: 1; }
#dropSplash.active::before { animation: waterRing 0.48s ease-out forwards; }
#dropSplash.active i { animation: waterDrop 0.45s ease-out forwards; }
@keyframes waterRing {
  to { transform: translateX(-50%) scale(1.7); opacity: 0; }
}
@keyframes waterDrop {
  from { transform: translate(0, 0) scale(0.7); opacity: 0.9; }
  to { transform: translate(var(--splash-dx), var(--splash-dy)) scale(0.2); opacity: 0; }
}
@keyframes lap {
  from { background-position-x: 0; }
  to { background-position-x: 90px; }
}

/* gentle bob for the whole boat while a game is on */
#boat.afloat { animation: boatBob 5s ease-in-out infinite; }
#boat.afloat.drop-impact { animation: boatRock 0.36s ease-out; }
@keyframes boatBob {
  0%, 100% { transform: translateY(0) rotate(-0.35deg); }
  50% { transform: translateY(4px) rotate(0.35deg); }
}
@keyframes boatRock {
  0%, 100% { transform: translateY(2px) rotate(0); }
  35% { transform: translateY(4px) rotate(-0.8deg); }
  70% { transform: translateY(1px) rotate(0.6deg); }
}

/* ---------------------------------------------------------------- results */

#resultbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 15;
}
#resultText {
  font-size: clamp(20px, 3.4vh, 30px);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-align: center;
  color: var(--cream);
  text-shadow: 0 3px 0 rgba(14, 34, 56, 0.8), 0 6px 16px rgba(0, 0, 0, 0.5);
  transform: rotate(-1.5deg);
}
#resultbar.fresh #resultText { animation: resultIn 0.35s ease-out; }
#resultText.red-win { color: #ff9d84; }
#resultText.gold-win { color: var(--gold); }
@keyframes resultIn {
  from { transform: rotate(-1.5deg) scale(0.6); opacity: 0; }
  to { transform: rotate(-1.5deg) scale(1); opacity: 1; }
}
#resultBtns { display: flex; gap: 10px; align-items: center; }

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

#lb {
  width: min(90vw, 340px);
  background: rgba(20, 58, 88, 0.92); /* --panel-dark, slightly translucent */
  border: 2px solid rgba(246, 239, 220, 0.3);
  border-radius: 14px;
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.lb-tabs { display: flex; gap: 8px; }
.lb-tabs .chip-btn { opacity: 0.65; }
.lb-tabs .chip-btn.sel {
  opacity: 1;
  background: rgba(242, 162, 74, 0.25);
  border-color: var(--sun);
}
.lb-status {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cream-dim);
  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: 700;
  color: var(--cream);
  padding: 3px 8px;
  border-radius: 8px;
}
#lbList li.me { background: rgba(242, 179, 76, 0.18); 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(10, 36, 56, 0.7);
  border: 2px solid rgba(246, 239, 220, 0.3);
  border-radius: 10px;
  outline: none;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  user-select: text;
}
.lb-form input:focus { border-color: var(--sun); }
#resultBtns .big-btn { padding: 11px 28px; font-size: 17px; }
#gloat {
  display: flex;
  align-items: center;
  gap: 7px;
  max-width: min(90vw, 360px);
  pointer-events: none;
}
#gloatIcon {
  font-size: 24px;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.35));
}
#gloatBubble {
  padding: 7px 10px;
  border: 1px solid rgba(246, 239, 220, 0.45);
  border-radius: 12px 12px 12px 3px;
  background: rgba(14, 34, 56, 0.78);
  color: var(--cream);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.25;
}
#gloat.fresh { animation: gloatIn 0.36s cubic-bezier(0.2, 1.35, 0.4, 1); }
@keyframes gloatIn {
  from { transform: translateY(8px) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* ---------------------------------------------------------------- Champ */

#champ {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom, 0px) - 6px);
  right: 3%;
  z-index: 14;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  animation: champUp 0.55s cubic-bezier(0.2, 1.4, 0.4, 1);
}
#champSvg { width: clamp(80px, 14vh, 130px); height: auto; transform: scaleX(-1); }
#champBubble {
  background: var(--cream);
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  border-radius: 14px 14px 3px 14px;
  margin-right: 40%;
  margin-bottom: 4px;
  max-width: 190px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  animation: bubbleIn 0.3s ease-out 0.4s backwards;
}
@keyframes champUp {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}
@keyframes bubbleIn {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ---------------------------------------------------------------- desktop */

@media (min-width: 700px) {
  #game { gap: 1.6vh; }
  #turnChip { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .l-rowboat i, #boat.afloat, .waves-back, .waves-front,
  #turnChip.thinking, .piece.winner::before, #cols > button.danger::after,
  #board.win-impact, .piece.impact::after, #dropSplash, #dropSplash::before,
  #dropSplash i, #resultbar.fresh #resultText, #gloat.fresh, #champ,
  #champBubble { animation: none !important; }
}

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

.online-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-shadow: 0 1px 3px rgba(14, 34, 56, 0.8);
  margin-top: 1.6vh;
}
#onlineRow {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 380px;
  margin-top: 6px;
}
#rejoinBtn { margin-top: 10px; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(10, 26, 44, 0.72);
  backdrop-filter: blur(3px);
}
.op-card {
  width: min(92vw, 340px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  background: linear-gradient(180deg, var(--panel), var(--panel-dark));
  border: 3px solid var(--navy);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  color: var(--cream);
  text-align: center;
}
.op-title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.op-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--cream-dim);
  text-align: left;
  margin-bottom: -6px;
}
.op-card input {
  width: 100%;
  padding: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
  background: var(--hole);
  border: 2px solid rgba(246, 239, 220, 0.3);
  border-radius: 12px;
  outline: none;
  text-align: center;
}
.op-card input:focus { border-color: var(--sun); }
#opCode { letter-spacing: 0.4em; text-transform: uppercase; font-size: 24px; }
.op-error {
  font-size: 13px;
  font-weight: 700;
  color: #ffb09c;
}
.op-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 4px;
}
.op-btns .big-btn { font-size: 16px; padding: 12px 22px; }
#lobbyCode {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 0.35em;
  text-indent: 0.35em;
  color: var(--gold);
  text-shadow: 0 3px 0 var(--navy);
  padding: 6px 0;
  animation: lobbyPulse 1.6s ease-in-out infinite;
}
@keyframes lobbyPulse {
  50% { opacity: 0.75; }
}
#lobbyHint { font-size: 13px; color: var(--cream-dim); }