:root {
  --screen: #1e1e1e;
  --screen-dark: #141414;
  --banner: #111111;
  --banner-2: #0a0a0a;
  --cream: #ded164;
  --cream-light: #efe27a;
  --blue: #2625d9;
  --red: #ff1d18;
  --red-dark: #b50000;
  --green: #00cf00;
  --green-dark: #008f00;
  --panel: #1a1a1a;
  --white: #fffdf3;
  --ink: #101a13;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--screen);
  color: var(--white);
  font-family: Tahoma, Arial, sans-serif;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.app {
  min-height: 100vh;
  padding: 10px 18px 22px;
}

.arena {
  width: min(1200px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.topbar {
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--banner), #003003);
  box-shadow: inset 0 -6px 0 rgba(0, 0, 0, 0.18), 0 8px 0 rgba(0, 80, 0, 0.55);
  padding: 18px 26px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
}

.brand-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #082516;
  color: #f0d860;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
}

.eyebrow {
  margin: 0 0 6px;
  color: rgba(255, 253, 243, 0.75);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  color: var(--white);
  font-size: 3.25rem;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.28);
}

.exit-button {
  border: 1px solid rgba(255, 253, 243, 0.2);
  background: rgba(120, 0, 0, 0.34);
}

.exit-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.display-link-group {
  position: absolute;
  right: 24px;
  top: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
}

.display-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
  color: var(--white);
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 900;
  font-size: 0.88rem;
  transition: background 140ms ease;
}

.install-link {
  background: rgba(244, 240, 216, 0.14);
}

.room-panel {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 4px 8px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.24);
  color: var(--white);
  padding: 7px 10px;
}

.room-panel span {
  color: rgba(255, 253, 243, 0.72);
  font-size: 0.72rem;
  font-weight: 900;
}

.room-panel strong {
  direction: ltr;
  color: #f0d860;
  font-family: monospace;
  font-size: 0.98rem;
  line-height: 1;
}

.room-panel input {
  direction: ltr;
  color: #f0d860;
  font-family: monospace;
  font-size: 0.98rem;
  line-height: 1;
  background: transparent;
  border: none;
  outline: none;
  width: 7ch;
  padding: 0;
}

.room-copy {
  grid-column: 1 / -1;
  min-height: 28px;
  border: 0;
  border-radius: 7px;
  background: #f4f0d8;
  color: #092316;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 900;
}

.display-link:hover {
  background: rgba(0, 0, 0, 0.5);
}

.display-link svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.display-url {
  direction: ltr;
  font-size: 0.72rem;
  color: rgba(255, 253, 243, 0.82);
  background: rgba(0, 0, 0, 0.32);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: monospace;
  white-space: nowrap;
}

.display-url[hidden] {
  display: none;
}

.display-url:empty {
  display: none;
}

.match-state {
  position: absolute;
  left: 24px;
  top: 24px;
  min-width: 190px;
  display: grid;
  gap: 5px;
  justify-items: end;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
  padding: 10px 12px;
}

.match-state span {
  color: rgba(255, 253, 243, 0.75);
  font-size: 0.8rem;
  font-weight: 800;
}

.match-state strong {
  color: var(--white);
  font-size: 1.45rem;
  line-height: 1;
}

.score-strip {
  order: 3;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(230px, 0.7fr) minmax(180px, 1fr);
  gap: 10px;
}

.team-score,
.timer-box,
.host-console {
  border-radius: 12px;
  background: rgba(0, 54, 0, 0.8);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.18);
}

.team-score {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px 12px;
  padding: 12px;
}

.team-score label,
.timer-box span,
.answer-box span,
.winner-card span {
  color: rgba(255, 253, 243, 0.78);
  font-size: 0.78rem;
  font-weight: 900;
}

.team-score input {
  min-width: 0;
  width: 100%;
  border: 2px solid rgba(255, 253, 243, 0.28);
  border-radius: 8px;
  background: #f4f0d8;
  color: var(--ink);
  padding: 9px 10px;
  font-weight: 900;
}

.team-score strong {
  grid-row: 1 / span 2;
  min-width: 66px;
  min-height: 66px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  font-size: 2.15rem;
  line-height: 1;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.red-team.team-score strong {
  background: var(--red);
}

.green-team.team-score strong {
  background: #009c6d;
}

.timer-box {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 12px;
}

.timer-box strong {
  direction: ltr;
  grid-column: 1 / -1;
  min-height: 48px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #092316;
  color: var(--white);
  font-size: 2.55rem;
  line-height: 1;
  text-shadow: 0 3px 0 var(--blue);
}

.timer-box strong.is-low {
  background: var(--red-dark);
}

.timer-actions {
  display: flex;
  gap: 6px;
}

.match-options {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-radius: 8px;
  background: rgba(255, 253, 243, 0.12);
  padding: 8px;
}

.round-select {
  display: grid;
  grid-template-columns: repeat(2, 42px);
  gap: 5px;
}

.round-option {
  min-height: 34px;
  border: 0;
  border-radius: 7px;
  background: #f4f0d8;
  color: #082516;
  cursor: pointer;
  font-weight: 900;
}

.round-option.is-active {
  background: #f0d860;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18);
}

.round-option:disabled {
  cursor: default;
  opacity: 0.55;
}

.icon-button,
.command-button,
.buzz-button,
.letter-cell {
  border: 0;
  cursor: pointer;
  transition: transform 140ms ease, filter 140ms ease, background 140ms ease;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f4f0d8;
  color: #092316;
}

.icon-button svg,
.command-button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.main-grid {
  order: 2;
  display: grid;
  gap: 14px;
}

.board-zone {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: hidden;
  border-radius: 0 0 18px 18px;
  background: linear-gradient(180deg, #1e1e1e, #141414);
}

.board-frame {
  display: grid;
  grid-template-areas:
    "top   top   top"
    "left  board right"
    "bottom bottom bottom";
  grid-template-columns: 60px 1fr 60px;
  width: 100%;
  max-width: 1060px;
}

.frame-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

.frame-top {
  grid-area: top;
  min-height: 46px;
  background: linear-gradient(180deg, #009a00, #00b800);
  border-radius: 12px 12px 0 0;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.2);
}

.frame-bottom {
  grid-area: bottom;
  min-height: 46px;
  background: linear-gradient(180deg, #00b800, #009a00);
  border-radius: 0 0 12px 12px;
  box-shadow: inset 0 3px 0 rgba(0, 0, 0, 0.2);
}

.frame-left {
  grid-area: left;
  background: linear-gradient(180deg, #cc0000, var(--red), #cc0000);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.frame-right {
  grid-area: right;
  background: linear-gradient(180deg, #cc0000, var(--red), #cc0000);
  writing-mode: vertical-rl;
}

.frame-name {
  font-size: 1.05rem;
}

.frame-arrow {
  font-size: 0.9rem;
  opacity: 0.82;
}

.letter-board {
  grid-area: board;
  display: grid;
  direction: ltr;
  gap: 0;
}

.letter-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: -1px;
}

.letter-row:first-child {
  margin-top: 0;
}

.letter-cell {
  position: relative;
  min-width: 0;
  direction: rtl;
  margin-inline: -8px;
  margin-block: -1px;
  aspect-ratio: 2.05;
  display: grid;
  place-items: center;
  background: var(--cream);
  color: var(--blue);
  clip-path: polygon(14% 0, 86% 0, 100% 50%, 86% 100%, 14% 100%, 0 50%);
  font-size: 3.05rem;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
  filter: drop-shadow(0 2px 0 rgba(31, 42, 18, 0.52));
}

.letter-cell::after {
  content: "";
  position: absolute;
  inset: 3px 5px;
  clip-path: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(0, 0, 0, 0.08));
  pointer-events: none;
}

.letter-cell.is-selected {
  background: #fff17b;
  filter: drop-shadow(0 0 0 var(--white)) drop-shadow(0 0 11px var(--white));
}

.letter-cell.is-red {
  background: var(--red);
  color: var(--blue);
}

.letter-cell.is-green {
  background: var(--green);
  color: var(--blue);
}

.letter-cell.is-path {
  filter: drop-shadow(0 0 10px var(--white)) drop-shadow(0 3px 0 rgba(31, 42, 18, 0.52));
}

.letter-cell:disabled {
  cursor: default;
}

.round-message {
  position: absolute;
  inset: auto 50%;
  top: 50%;
  width: min(560px, calc(100% - 48px));
  z-index: 5;
  display: grid;
  justify-items: center;
  gap: 10px;
  border: 4px solid #f0d860;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(3, 45, 9, 0.98), rgba(0, 18, 6, 0.96));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38), inset 0 -6px 0 rgba(0, 0, 0, 0.22);
  padding: 24px;
  text-align: center;
  transform: translate(50%, -50%);
}

.round-message[hidden] {
  display: none;
}

.round-message span {
  color: rgba(255, 253, 243, 0.82);
  font-size: 1rem;
  font-weight: 900;
}

.round-message strong {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.1;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.28);
}

.round-message.is-red {
  background: linear-gradient(180deg, rgba(180, 0, 0, 0.98), rgba(75, 0, 0, 0.96));
}

.round-message.is-green {
  background: linear-gradient(180deg, rgba(0, 118, 0, 0.98), rgba(0, 40, 0, 0.96));
}

.message-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: #f0d860;
  color: #082516;
  cursor: pointer;
  padding: 10px 18px;
  font-weight: 900;
}

.host-console {
  display: grid;
  grid-template-columns: minmax(290px, 1.2fr) minmax(210px, 0.8fr) minmax(300px, 1fr);
  align-items: stretch;
  gap: 10px;
  padding: 12px;
}

.question-card,
.buzz-panel,
.host-actions,
.winner-card {
  border-radius: 10px;
  background: rgba(255, 253, 243, 0.12);
  padding: 12px;
}

.question-card {
  display: grid;
  gap: 10px;
}

.question-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.letter-badge {
  width: 62px;
  height: 62px;
  flex: 0 0 62px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #082516;
  color: #f0d860;
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  color: var(--white);
  font-size: 1.55rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.question-text {
  min-height: 92px;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  border-radius: 8px;
  background: rgba(255, 253, 243, 0.92);
  color: var(--ink);
  padding: 12px;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.5;
}

.answer-box {
  display: grid;
  gap: 5px;
  border-radius: 8px;
  background: rgba(255, 253, 243, 0.92);
  color: var(--ink);
  padding: 10px;
}

.answer-box strong {
  color: var(--green-dark);
  font-size: 1.35rem;
}

.buzz-panel,
.host-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.buzz-button {
  min-width: 0;
  min-height: 74px;
  display: grid;
  place-items: center;
  gap: 4px;
  border-radius: 9px;
  color: var(--white);
  padding: 10px;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.buzz-button span {
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0.85;
}

.buzz-button strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 1.25rem;
}

.buzz-button.red-team {
  background: var(--red);
}

.buzz-button.green-team {
  background: #009c6d;
}

.buzz-button.is-active {
  outline: 4px solid #f0d860;
  outline-offset: 3px;
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: inset 0 -5px 0 rgba(0,0,0,0.24), 0 6px 0 rgba(0,0,0,0.22);
}

.buzz-button.is-active span {
  opacity: 1;
}

.command-button {
  min-width: 0;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: 8px;
  background: #082516;
  color: var(--white);
  padding: 9px 10px;
  font-weight: 900;
  line-height: 1.15;
}

.command-button.primary {
  background: #009c6d;
}

.command-button.danger {
  background: var(--red-dark);
}

.command-button.pending-confirm {
  outline: 2px solid #ff9500;
  outline-offset: 2px;
  animation: pulse-confirm 0.6s ease-in-out infinite alternate;
}

.command-button.danger.pending-confirm {
  background: #c0392b;
  outline-color: #ff6b6b;
}

@keyframes pulse-confirm {
  from { box-shadow: 0 0 0 0 rgba(255,149,0,0); }
  to   { box-shadow: 0 0 0 6px rgba(255,149,0,0.35); }
}

.command-button:disabled,
.buzz-button:disabled {
  cursor: default;
  opacity: 0.48;
  transform: none;
}

.winner-card {
  display: grid;
  align-content: center;
  gap: 6px;
  background: rgba(240, 216, 96, 0.22);
}

.winner-card strong {
  color: var(--white);
  font-size: 1.7rem;
}

.icon-button:hover,
.command-button:not(:disabled):hover,
.buzz-button:not(:disabled):hover,
.letter-cell:not(:disabled):hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.icon-button:active,
.command-button:not(:disabled):active,
.buzz-button:not(:disabled):active,
.letter-cell:not(:disabled):active {
  transform: translateY(0);
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .score-strip,
  .host-console {
    grid-template-columns: 1fr;
  }

  .timer-box {
    order: -1;
  }

  .board-zone {
    min-height: 500px;
  }

  .letter-cell {
    font-size: 2.35rem;
  }
}

@media (max-width: 640px) {
  .app {
    padding: 8px;
  }

  .topbar {
    min-height: 100px;
    justify-content: flex-end;
    padding-inline: 14px;
  }

  .brand-mark {
    width: 52px;
    height: 52px;
    font-size: 2.2rem;
  }

  h1 {
    font-size: 2rem;
  }

  .match-state {
    position: static;
    min-width: 0;
    justify-items: start;
  }

  .topbar {
    display: grid;
  }

  .board-zone {
    min-height: 380px;
    padding: 8px;
  }

  .board-frame {
    grid-template-columns: 36px 1fr 36px;
  }

  .frame-top,
  .frame-bottom {
    min-height: 32px;
  }

  .frame-name {
    font-size: 0.75rem;
  }

  .frame-arrow {
    display: none;
  }

  .letter-cell {
    font-size: 1.45rem;
  }

  .buzz-panel,
  .host-actions {
    grid-template-columns: 1fr;
  }
}

/* Professional responsive shell */

html {
  min-height: 100%;
  background: #06120d;
}

body {
  min-height: 100svh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 180px),
    linear-gradient(180deg, #06140d 0%, #0b2417 48%, #06100b 100%);
}

.app {
  min-height: 100svh;
  padding: clamp(10px, 2vw, 22px);
}

.arena {
  width: min(1440px, 100%);
  gap: clamp(10px, 1.4vw, 16px);
}

.topbar {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  grid-template-areas: "state brand display";
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 253, 243, 0.12);
  border-radius: 8px;
  background: linear-gradient(180deg, #063817, #02150b);
  box-shadow: inset 0 1px 0 rgba(255, 253, 243, 0.08), 0 16px 34px rgba(0, 0, 0, 0.24);
  padding: 6px 12px;
}

.brand {
  grid-area: brand;
  min-width: 0;
  gap: 8px;
}

.brand > div:last-child {
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #092316;
  font-size: 1.7rem;
}

.brand-mark.presenter-logo {
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: #f2c94c;
  fill: currentColor;
  filter: drop-shadow(0 0 14px rgba(242, 201, 76, 0.28));
}

h1 {
  font-size: 2rem;
  white-space: nowrap;
}

.eyebrow {
  margin-bottom: 2px;
  color: #f2c94c;
  font-size: clamp(1.1rem, 2.2vw, 1.7rem);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

.display-link-group {
  position: static;
  grid-area: display;
  justify-self: end;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(112px, auto));
  align-items: stretch;
  gap: 4px;
}

.room-action-group {
  grid-area: state;
  justify-self: start;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(118px, auto);
  align-items: stretch;
  gap: 4px;
}

.topbar > .exit-button {
  position: absolute;
  left: 12px;
  top: 50%;
  width: auto;
  min-width: 84px;
  transform: translateY(-50%);
}

.display-link {
  border-radius: 8px;
  background: rgba(255, 253, 243, 0.1);
  white-space: nowrap;
  min-height: 28px;
  justify-content: center;
  padding: 4px 8px;
  font-size: 0.74rem;
}

.red-screen-link {
  background: rgba(255, 29, 24, 0.24);
}

.green-screen-link {
  background: rgba(0, 207, 0, 0.2);
}

.display-link svg {
  width: 16px;
  height: 16px;
}

.room-panel {
  width: fit-content;
  border: 1px solid rgba(255, 253, 243, 0.1);
  background: rgba(255, 253, 243, 0.1);
  min-height: 28px;
  justify-self: stretch;
  justify-content: center;
  padding: 4px 7px;
  gap: 5px;
  font-size: 0.72rem;
}

.room-action-group .room-panel {
  width: 100%;
}

.room-panel strong {
  font-size: 0.9rem;
}

.room-copy {
  min-height: 22px;
  padding: 3px 7px;
  font-size: 0.68rem;
}

.display-url {
  max-width: min(100%, 270px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.match-state {
  display: none !important;
}

.match-state span {
  font-size: 0.72rem;
}

.match-state strong {
  font-size: 1.08rem;
}

.score-strip {
  order: 2;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.68fr) minmax(0, 1fr);
  gap: 12px;
}

.team-score,
.timer-box {
  border: 1px solid rgba(255, 253, 243, 0.1);
  border-radius: 8px;
  background: rgba(5, 50, 24, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 253, 243, 0.08), 0 10px 24px rgba(0, 0, 0, 0.18);
}

.team-score {
  padding: 10px;
}

.team-score input {
  border-radius: 8px;
}

.team-score strong {
  min-width: 58px;
  min-height: 58px;
  border-radius: 8px;
  font-size: 2rem;
}

.timer-box {
  padding: 10px;
}

.timer-box strong {
  min-height: 46px;
  border-radius: 8px;
  font-size: 2.3rem;
}

.main-grid {
  order: 3;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(10px, 1.4vw, 16px);
}

.board-zone {
  min-height: clamp(390px, calc(100svh - 350px), 650px);
  padding: clamp(8px, 1.4vw, 18px);
  border: 1px solid rgba(255, 253, 243, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(16, 59, 32, 0.64), rgba(4, 17, 11, 0.96)),
    #101a13;
}

.board-frame {
  width: min(100%, 1060px);
  max-width: min(100%, 1060px);
  grid-template-columns: clamp(28px, 4vw, 60px) minmax(0, 1fr) clamp(28px, 4vw, 60px);
}

.frame-top,
.frame-bottom {
  min-height: 42px;
  border-radius: 8px 8px 0 0;
}

.frame-bottom {
  border-radius: 0 0 8px 8px;
}

.letter-cell {
  font-size: 2.8rem;
  user-select: none;
}

.host-console {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(280px, 1.18fr) minmax(210px, 0.82fr) minmax(280px, 1fr);
  gap: 12px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.question-card,
.buzz-panel,
.host-actions,
.winner-card {
  min-width: 0;
  border: 1px solid rgba(255, 253, 243, 0.1);
  border-radius: 8px;
  background: rgba(255, 253, 243, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 253, 243, 0.08);
}

.question-head {
  min-width: 0;
}

.question-head > div:last-child {
  min-width: 0;
}

h2 {
  font-size: 1.35rem;
}

.question-text {
  min-height: 82px;
  font-size: 1.08rem;
}

.letter-badge {
  width: 56px;
  height: 56px;
  flex-basis: 56px;
  border-radius: 8px;
  font-size: 2rem;
}

.buzz-button,
.command-button,
.message-button,
.icon-button,
.round-option {
  border-radius: 8px;
}

.command-button {
  min-height: 44px;
}

@media (min-width: 1120px) {
  .main-grid {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 400px);
    align-items: stretch;
  }

  .board-zone {
    grid-column: 1;
    min-height: clamp(440px, calc(100svh - 270px), 680px);
  }

  .host-console {
    grid-column: 2;
    grid-template-columns: 1fr;
    align-content: start;
    max-height: clamp(440px, calc(100svh - 270px), 680px);
    overflow: auto;
    padding-inline-end: 2px;
  }
}

@media (min-width: 1280px) {
  .main-grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  }
}

@media (min-width: 1120px) and (max-height: 760px) {
  .topbar {
    padding: 10px 14px;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
    font-size: 2rem;
  }

  h1 {
    font-size: 2.15rem;
  }

  .eyebrow {
    margin-bottom: 3px;
  }

  .team-score,
  .timer-box {
    padding: 8px;
  }

  .team-score strong {
    min-width: 50px;
    min-height: 50px;
    font-size: 1.75rem;
  }

  .timer-box strong {
    min-height: 40px;
    font-size: 2rem;
  }

  .board-zone,
  .host-console {
    min-height: clamp(390px, calc(100svh - 240px), 560px);
    max-height: clamp(390px, calc(100svh - 240px), 560px);
  }

  .question-text {
    min-height: 64px;
    font-size: 1rem;
  }

  .command-button {
    min-height: 38px;
    padding-block: 7px;
  }
}

@media (max-width: 1119px) {
  .host-console {
    grid-template-columns: minmax(280px, 1.2fr) minmax(220px, 0.8fr) minmax(280px, 1fr);
  }
}

@media (max-width: 980px) {
  .score-strip,
  .host-console {
    grid-template-columns: 1fr;
  }

  .timer-box {
    order: -1;
  }

  .board-zone {
    min-height: 430px;
  }
}

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "state"
      "display";
    justify-items: stretch;
    text-align: center;
  }

  .brand {
    justify-content: center;
  }

  .display-link-group,
  .room-action-group {
    justify-self: stretch;
    width: 100%;
    align-items: stretch;
  }

  .display-link {
    justify-content: center;
  }

  .room-panel {
    width: 100%;
    justify-content: center;
  }

  .display-url {
    max-width: 100%;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .app {
    padding: 8px;
  }

  .topbar {
    padding: 6px;
    gap: 6px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 1.45rem;
  }

  h1 {
    font-size: 1.38rem;
    white-space: normal;
  }

  .match-state {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .match-state strong {
    font-size: 1.2rem;
  }

  .score-strip {
    gap: 8px;
  }

  .team-score {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 9px;
  }

  .team-score strong {
    min-width: 50px;
    min-height: 50px;
    font-size: 1.7rem;
  }

  .timer-box {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .timer-box strong {
    font-size: 2rem;
  }

  .main-grid {
    gap: 10px;
  }

  .board-zone {
    min-height: 320px;
    padding: 6px;
  }

  .board-frame {
    grid-template-columns: 24px minmax(0, 1fr) 24px;
  }

  .frame-top,
  .frame-bottom {
    min-height: 24px;
  }

  .frame-name {
    font-size: 0.65rem;
  }

  .frame-arrow {
    display: none;
  }

  .letter-cell {
    margin-inline: -5px;
    font-size: 1.35rem;
  }

  .question-card,
  .buzz-panel,
  .host-actions,
  .winner-card {
    padding: 10px;
  }

  .question-head {
    align-items: flex-start;
  }

  .letter-badge {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.08rem;
  }

  .question-text {
    min-height: 70px;
    font-size: 0.96rem;
  }

  .buzz-panel,
  .host-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .brand {
    display: grid;
    justify-items: center;
  }

  .board-zone {
    min-height: 270px;
  }

  .board-frame {
    grid-template-columns: 16px minmax(0, 1fr) 16px;
  }

  .frame-name {
    font-size: 0;
  }

  .frame-top,
  .frame-bottom {
    min-height: 18px;
  }

  .letter-cell {
    margin-inline: -4px;
    font-size: 1.05rem;
  }
}

/* Compact match controls after visual verification */

.score-strip {
  align-items: stretch;
}

.team-score {
  align-content: center;
}

.timer-box {
  grid-template-columns: auto minmax(132px, 1fr) auto;
  grid-template-areas:
    "phase time actions"
    "options options options";
  align-content: center;
}

.timer-box > span {
  grid-area: phase;
}

.timer-box strong {
  grid-area: time;
  grid-column: auto;
  min-height: 54px;
  font-size: 2.15rem;
}

.timer-actions {
  grid-area: actions;
}

.match-options {
  grid-area: options;
  grid-column: auto;
  padding: 7px 8px;
}

@media (min-width: 1120px) {
  .app {
    padding-bottom: 10px;
  }

  .board-zone,
  .host-console {
    min-height: clamp(420px, calc(100svh - 310px), 590px);
    max-height: clamp(420px, calc(100svh - 310px), 590px);
  }
}

@media (min-width: 1120px) and (max-height: 760px) {
  .board-zone,
  .host-console {
    min-height: clamp(390px, calc(100svh - 222px), 535px);
    max-height: clamp(390px, calc(100svh - 222px), 535px);
  }
}

@media (max-width: 640px) {
  .timer-box {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "phase actions"
      "time time"
      "options options";
  }

  .timer-box strong {
    min-height: 48px;
  }
}

/* Keep the timer display contained inside its own frame on every viewport. */

.timer-box {
  min-width: 0;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "phase actions"
    "time time"
    "options options";
  gap: 8px;
}

.timer-box > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timer-box strong {
  width: 100%;
  min-width: 0;
  min-height: 52px;
  padding: 6px 10px;
  font-size: 2.1rem;
}

.timer-actions {
  min-width: max-content;
  justify-content: flex-end;
}

.match-options {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.match-options > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .timer-box strong {
    min-height: 48px;
    font-size: 1.9rem;
  }

  .timer-actions .icon-button {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 380px) {
  .timer-box {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "phase"
      "time"
      "actions"
      "options";
  }

  .timer-actions {
    justify-content: center;
  }

  .match-options {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
  }

  .match-options > span {
    white-space: normal;
  }
}

/* Interlocking cellular board */

.board-frame {
  width: min(100%, 920px);
  max-width: 920px;
  display: block;
  padding: 2px;
  border: 2px solid #020202;
  border-radius: 0;
  background: #020202;
  overflow: hidden;
}

.letter-board {
  --hex-gap: 0px;
  --hex-overlap-x: clamp(8px, 1.15vw, 16px);
  --hex-outline: 2px;
  --letter-fill: #f3f0dc;
  grid-area: auto;
  display: grid;
  direction: ltr;
  gap: var(--hex-gap);
  background: #020202;
}

.letter-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--hex-gap);
  margin-top: 0;
}

.letter-row:first-child {
  margin-top: 0;
}

.letter-row:nth-child(even)::before {
  content: none;
}

.letter-row > * {
  grid-column: auto;
}

.letter-cell,
.frame-cell {
  position: relative;
  min-width: 0;
  aspect-ratio: 2.05;
  display: grid;
  place-items: center;
  margin-inline: calc(var(--hex-overlap-x) * -1);
  border: 0;
  border-radius: 0;
  background: #020202;
  clip-path: polygon(18% 0, 82% 0, 100% 50%, 82% 100%, 18% 100%, 0 50%);
  color: #111111;
  font-size: clamp(1.15rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1;
  text-shadow: none;
  filter: none;
  user-select: none;
}

.letter-cell::before,
.frame-cell::before {
  content: "";
  position: absolute;
  inset: var(--hex-outline);
  clip-path: inherit;
  background: var(--cell-fill, var(--letter-fill));
  z-index: -1;
}

.letter-cell::after {
  content: "";
  position: absolute;
  inset: var(--hex-outline);
  clip-path: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(0, 0, 0, 0.04));
  pointer-events: none;
}

.frame-cell-red {
  --cell-fill: #f00000;
}

.frame-cell-green {
  --cell-fill: #008c10;
}

.letter-cell.is-selected {
  --cell-fill: #fff3a0;
  filter: drop-shadow(0 0 9px rgba(255, 253, 243, 0.95));
}

.letter-cell.is-red {
  --cell-fill: var(--red);
  color: var(--white);
}

.letter-cell.is-green {
  --cell-fill: #00b315;
  color: var(--ink);
}

.letter-cell.is-path {
  filter: drop-shadow(0 0 10px var(--white));
}

.letter-cell:not(:disabled):hover {
  filter: brightness(1.05);
}

.letter-cell:not(:disabled):active {
  transform: none;
}

@media (min-width: 1120px) {
  .board-frame {
    width: min(100%, 920px);
  }
}

@media (max-width: 640px) {
  .board-frame {
    width: 100%;
    padding: 2px;
  }

  .letter-board {
    --hex-gap: 0px;
    --hex-overlap-x: clamp(3px, 2vw, 7px);
    --hex-outline: 2px;
  }

  .letter-cell,
  .frame-cell {
    font-size: clamp(1rem, 7vw, 1.45rem);
  }
}

@media (max-width: 380px) {
  .letter-cell,
  .frame-cell {
    font-size: clamp(0.9rem, 6.5vw, 1.18rem);
  }
}

/* Column-staggered honeycomb board */

.board-frame {
  width: min(100%, 940px);
  max-width: 940px;
}

.letter-board {
  --hex-col-overlap: clamp(14px, 2.4vw, 34px);
  --hex-column-offset: clamp(18px, 2.8vw, 40px);
  --hex-outline: 1.5px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  padding: 2px;
  overflow: hidden;
}

.hex-column {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.hex-column + .hex-column {
  margin-inline-start: calc(var(--hex-col-overlap) * -1);
}

.hex-column.is-offset {
  margin-block-start: var(--hex-column-offset);
}

.hex-column-red {
  margin-block-start: var(--hex-column-offset);
}

.letter-cell,
.frame-cell {
  width: 100%;
  aspect-ratio: 2.05;
  margin: -1px 0 0;
  clip-path: polygon(24% 0, 76% 0, 100% 50%, 76% 100%, 24% 100%, 0 50%);
  font-size: clamp(1.1rem, 3.2vw, 2.55rem);
}

.letter-cell:first-child,
.frame-cell:first-child {
  margin-top: 0;
}

@media (max-width: 640px) {
  .letter-board {
    --hex-col-overlap: clamp(6px, 3.8vw, 14px);
    --hex-column-offset: clamp(10px, 5.5vw, 22px);
    --hex-outline: 1px;
  }

  .letter-cell,
  .frame-cell {
    font-size: clamp(0.9rem, 5.2vw, 1.25rem);
  }
}

/* Presenter reference room badge 20260614 */
.topbar {
  direction: ltr;
  grid-template-areas: "exit brand room";
  min-height: 60px;
  padding: 12px 14px;
}

.brand,
.room-panel,
.topbar > .exit-button {
  direction: rtl;
}

.match-state,
.display-link-group {
  display: none !important;
}

.room-action-group {
  grid-area: room;
  justify-self: end;
  display: block;
}

.room-panel {
  width: auto;
  min-height: 34px;
  display: inline-flex;
  flex-direction: row-reverse;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid rgba(244, 240, 216, 0.14);
  border-radius: 8px;
  background: rgba(244, 240, 216, 0.1);
  padding: 8px 13px;
}

.room-panel .room-copy,
.room-copy {
  display: none !important;
}

.room-panel span {
  color: rgba(255, 253, 243, 0.82);
  font-size: 0.82rem;
  line-height: 1;
}

.room-panel strong {
  color: #f2c94c;
  font-family: Tahoma, Arial, sans-serif;
  font-size: 0.86rem;
  line-height: 1;
}

.room-panel input {
  color: #f2c94c;
  font-family: Tahoma, Arial, sans-serif;
  font-size: 0.86rem;
  line-height: 1;
}

.topbar > .exit-button {
  grid-area: exit;
  justify-self: start;
  position: static;
  min-height: 34px;
  min-width: 84px;
  transform: none;
  padding: 7px 14px;
}

.presenter-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 8, 5, 0.88);
  backdrop-filter: blur(6px);
}

.presenter-lock-overlay[hidden] {
  display: none;
}

.presenter-lock-modal {
  width: min(380px, 100%);
  display: grid;
  gap: 14px;
  border-radius: 14px;
  background: var(--panel);
  color: var(--white);
  padding: 24px;
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 253, 243, 0.14);
}

.presenter-lock-modal h2 {
  margin: 0;
  font-size: 1.15rem;
}

.presenter-lock-modal p {
  margin: 0;
  color: rgba(255, 253, 243, 0.78);
  line-height: 1.6;
}

.presenter-lock-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.presenter-lock-button {
  flex: 1;
  min-height: 44px;
  border: 1px solid rgba(255, 253, 243, 0.24);
  border-radius: 8px;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-weight: 700;
  font-family: Tahoma, Arial, sans-serif;
}

.presenter-lock-button.primary {
  border-color: transparent;
  background: var(--cream);
  color: var(--ink);
}

.presenter-kicked-banner {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 39;
  padding: 10px 16px;
  text-align: center;
  font-weight: 700;
  background: var(--red-dark);
  color: var(--white);
}

.presenter-kicked-banner[hidden] {
  display: none;
}