:root {
  color-scheme: dark;
  --bg: #101414;
  --panel: #1b2020;
  --panel-2: #232a2a;
  --text: #f5f3eb;
  --muted: #b8c0b6;
  --gold: #f2bd4b;
  --green: #31c48d;
  --red: #ef6b73;
  --blue: #4d8cff;
  --line: #384141;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button,
.link-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  padding: 0.75rem 1rem;
  cursor: pointer;
  text-decoration: none;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.primary {
  background: var(--gold);
  color: #201600;
  border-color: var(--gold);
  font-weight: 800;
}

.danger {
  border-color: var(--red);
  color: #fff;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--line);
  background: #141818;
}

.brand {
  color: var(--gold);
  font-size: 1.2rem;
  font-weight: 900;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--text);
  text-decoration: none;
}

.app-shell main {
  width: min(1440px, calc(100vw - 2rem));
  margin: 1rem auto 3rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

p {
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0c1010;
  color: var(--text);
  padding: 0.75rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
}

.builder-head,
.host-controls,
.question-control-panel {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.category-editor-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 1rem;
  overflow-x: auto;
}

.category-editor {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
}

.category-title {
  margin-bottom: 0.75rem;
}

.question-editor {
  border-top: 1px solid var(--line);
  padding: 0.6rem 0;
}

.question-editor summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.inline-check {
  display: flex;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.inline-check input {
  width: auto;
}

.screen-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(77, 140, 255, 0.28), transparent 26rem),
    radial-gradient(circle at 86% 20%, rgba(242, 189, 75, 0.18), transparent 22rem),
    linear-gradient(145deg, #07090d 0%, #0d1822 48%, #11110c 100%);
  overflow: hidden;
}

#screen-root {
  min-height: 100vh;
  padding: clamp(0.75rem, 1.8vw, 1.5rem);
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: clamp(0.6rem, 1.3vw, 1rem);
}

.screen-scoreboard,
.score-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.score-tile {
  background: linear-gradient(180deg, rgba(36, 43, 43, 0.94), rgba(20, 24, 24, 0.94));
  border: 1px solid rgba(242, 189, 75, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.score-tile strong {
  color: var(--gold);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
}

.round-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--gold);
  text-shadow: 0 0 22px rgba(242, 189, 75, 0.3);
}

.round-banner h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
}

.show-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
  min-height: 0;
}

.show-category {
  display: grid;
  grid-template-rows: minmax(84px, auto) repeat(5, minmax(0, 1fr));
  gap: 0.6rem;
  min-width: 0;
}

.category-name,
.board-cell {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.8rem;
}

.category-name {
  background: linear-gradient(180deg, #273241, #141d28);
  box-shadow: inset 0 0 0 1px rgba(242, 189, 75, 0.12), 0 12px 26px rgba(0, 0, 0, 0.26);
  min-height: 92px;
  font-weight: 900;
  font-size: clamp(1rem, 1.5vw, 1.5rem);
  text-transform: uppercase;
  animation: boardRise 480ms ease-out both;
  animation-delay: calc(var(--category-delay) * 70ms);
}

.board-cell {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, #135199, #071f55 58%, #061238);
  color: var(--gold);
  font-size: clamp(2rem, 4vw, 5rem);
  font-weight: 1000;
  min-height: 110px;
  text-shadow: 0 2px 0 #301f00, 0 0 22px rgba(242, 189, 75, 0.42);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.06), 0 16px 28px rgba(0, 0, 0, 0.32);
  transform-style: preserve-3d;
  animation: cardDeal 540ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc((var(--category-delay) * 70ms) + (var(--cell-delay) * 45ms));
}

.board-cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.18) 45%, transparent 62%);
  transform: translateX(-140%);
  animation: cardShine 4.8s ease-in-out infinite;
  animation-delay: calc((var(--category-delay) + var(--cell-delay)) * 150ms);
}

.board-cell span {
  position: relative;
  z-index: 1;
}

.board-cell.used {
  background: rgba(10, 13, 17, 0.68);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.question-stage {
  position: relative;
  min-height: calc(100vh - 150px);
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  gap: 1.3rem;
  perspective: 1800px;
}

.question-stage h1 {
  width: min(1100px, 94vw);
  margin: 0;
  font-size: clamp(2rem, 4.8vw, 5.4rem);
  line-height: 1.05;
  text-shadow: 0 0 30px rgba(77, 140, 255, 0.24);
}

.question-value {
  color: var(--gold);
  font-weight: 1000;
  font-size: clamp(3.5rem, 14vw, 12rem);
  letter-spacing: 0;
  text-shadow: 0 5px 0 #432d03, 0 0 42px rgba(242, 189, 75, 0.56);
}

.flip-card {
  position: relative;
  width: min(1180px, 94vw);
  min-height: min(66vh, 640px);
  transform-style: preserve-3d;
}

.flip-enter {
  animation: questionFlip 1450ms cubic-bezier(0.17, 0.82, 0.28, 1) both;
}

.flip-settled {
  transform: rotateY(180deg);
}

.flip-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backface-visibility: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.44), inset 0 0 0 2px rgba(255, 255, 255, 0.05);
}

.flip-front {
  background: linear-gradient(145deg, #135199, #061843 64%, #020816);
}

.flip-back {
  background: linear-gradient(145deg, rgba(27, 32, 32, 0.98), rgba(18, 28, 38, 0.98));
  transform: rotateY(180deg);
}

.double-tag {
  color: #1f1500;
  background: var(--gold);
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-size: clamp(1.2rem, 3vw, 2.6rem);
  font-weight: 1000;
  text-transform: uppercase;
}

.question-media {
  max-width: min(900px, 92vw);
  max-height: 36vh;
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.34);
}

audio.question-media {
  width: min(700px, 92vw);
}

.revealed-answer,
.buzz-alert {
  position: relative;
  border-radius: 8px;
  padding: 1rem 1.5rem;
  background: var(--green);
  color: #001c12;
  font-size: clamp(1.3rem, 2.6vw, 3rem);
  font-weight: 900;
}

.revealed-answer {
  width: min(1120px, 94vw);
  padding: clamp(1.2rem, 2.4vw, 2rem) clamp(1.4rem, 4vw, 3rem);
  border: 2px solid rgba(255, 255, 255, 0.58);
  background: linear-gradient(135deg, #49efae, #2fc987 58%, #f2bd4b);
  color: #06130e;
  font-size: clamp(2.2rem, 6vw, 6.8rem);
  line-height: 1;
  text-transform: uppercase;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 76px rgba(49, 196, 141, 0.45), 0 24px 80px rgba(0, 0, 0, 0.45);
}

.answer-pop {
  animation: answerReveal 920ms cubic-bezier(0.16, 0.92, 0.2, 1.18) both;
}

.buzz-alert.waiting {
  background: var(--blue);
  color: #fff;
}

.double-burst {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  pointer-events: none;
  background: radial-gradient(circle, rgba(242, 189, 75, 0.42), transparent 44%);
  animation: burstFade 3200ms ease-out both;
}

.double-burst span {
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  padding: clamp(0.8rem, 2vw, 1.5rem) clamp(1.2rem, 4vw, 3rem);
  background: var(--gold);
  color: #1e1400;
  font-size: clamp(2.4rem, 8vw, 8rem);
  font-weight: 1000;
  text-transform: uppercase;
  box-shadow: 0 0 80px rgba(242, 189, 75, 0.72);
  animation: burstText 3200ms cubic-bezier(0.18, 0.9, 0.2, 1) both;
}

.host-layout {
  display: grid;
  gap: 1rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.host-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 0.75rem;
  overflow-x: auto;
}

.host-category {
  display: grid;
  gap: 0.5rem;
}

.host-category h3 {
  min-height: 44px;
}

.question-button {
  min-height: 56px;
  color: var(--gold);
  font-weight: 900;
}

.host-question-preview {
  flex: 1;
}

.host-actions {
  width: min(520px, 100%);
  display: grid;
  gap: 1rem;
}

.answer-peek {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.answer-peek summary {
  cursor: pointer;
  color: var(--gold);
}

.buzz-status {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: #0c1010;
}

.team-action-grid {
  display: grid;
  gap: 0.6rem;
}

.team-action {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem;
}

.buzzer-page {
  min-height: 100vh;
  display: grid;
  place-items: stretch center;
  padding: 1rem;
}

.buzzer-card {
  width: min(640px, 100%);
  min-height: calc(100vh - 2rem);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(1.5rem, 5vh, 3.5rem);
  background: linear-gradient(180deg, rgba(27, 32, 32, 0.96), rgba(11, 15, 17, 0.96));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(0.9rem, 3vw, 1.25rem);
  text-align: center;
}

.buzzer-team-panel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem;
}

.buzzer-team-panel h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.35rem, 6vw, 2.4rem);
}

.team-picker {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.team-picker button {
  min-height: 46px;
  padding: 0.55rem 0.7rem;
  font-size: clamp(0.9rem, 3.5vw, 1.05rem);
}

.team-picker .selected {
  border-color: var(--gold);
  color: var(--gold);
}

.big-buzzer {
  width: 100%;
  height: 100%;
  min-height: min(58vh, 560px);
  border-radius: 8px;
  background: var(--red);
  border-color: #ff9aa0;
  color: white;
  font-size: clamp(4rem, 22vw, 9rem);
  font-weight: 1000;
  box-shadow: 0 20px 70px rgba(239, 107, 115, 0.32), inset 0 -14px 0 rgba(0, 0, 0, 0.18);
  touch-action: manipulation;
}

.buzzer-card p {
  margin: 0;
  min-height: 2rem;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  font-weight: 800;
}

.empty-state {
  min-height: 100vh;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

@media (max-width: 760px) {
  .topbar,
  .builder-head,
  .host-controls,
  .question-control-panel {
    flex-direction: column;
  }

  .team-grid,
  .screen-scoreboard,
  .score-panel,
  .team-picker {
    grid-template-columns: 1fr 1fr;
  }

  .host-board {
    grid-template-columns: 1fr;
  }

  .team-action {
    grid-template-columns: 1fr;
  }

  .show-board {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .show-category {
    grid-template-rows: auto;
  }

  .board-cell {
    min-height: 84px;
  }
}

@keyframes boardRise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardDeal {
  from {
    opacity: 0;
    transform: translateY(26px) rotateX(16deg) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg) scale(1);
  }
}

@keyframes cardShine {
  0%,
  54% {
    transform: translateX(-140%);
  }
  72%,
  100% {
    transform: translateX(140%);
  }
}

@keyframes questionFlip {
  0%,
  34% {
    transform: rotateY(0deg) scale(0.92);
  }
  58% {
    transform: rotateY(0deg) scale(1);
  }
  100% {
    transform: rotateY(180deg) scale(1);
  }
}

@keyframes answerReveal {
  0% {
    opacity: 0;
    transform: translateY(42px) scale(0.72) rotateX(20deg);
    filter: blur(10px);
  }
  48% {
    opacity: 1;
    transform: translateY(-8px) scale(1.12) rotateX(0deg);
    filter: blur(0);
  }
  76% {
    opacity: 1;
    transform: translateY(0) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes burstFade {
  0% {
    opacity: 0;
  }
  10%,
  82% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes burstText {
  0% {
    transform: scale(0.42) rotate(-8deg);
    opacity: 0;
  }
  18% {
    transform: scale(1.08) rotate(2deg);
    opacity: 1;
  }
  68% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: scale(1.18) rotate(0deg);
    opacity: 0;
  }
}