:root {
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Courier New", Courier, monospace;
  --bg-page: #0a0e17;
  --bg-card: rgba(19, 27, 46, 0.88);
  --bg-card-hover: rgba(25, 36, 61, 0.95);
  --bg-subtle: rgba(28, 39, 66, 0.7);
  --border: #233150;
  --border-strong: #3b5080;
  --text: #f0f4fc;
  --text-muted: #8b9bb4;
  --accent: #ffd166;
  --accent-orange: #ff9f1c;
  --accent-red: #ef476f;
  --success: #06d6a0;
  --danger: #ef476f;
  --bomb-glow: rgba(255, 159, 28, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

.app-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 10;
}

/* Header */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: rgba(19, 27, 46, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
  text-decoration: none;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.back-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.game-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.game-icon-mini {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255, 159, 28, 0.4));
}

.game-brand-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.game-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.game-category-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 159, 28, 0.15);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.header-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.header-btn:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  color: var(--accent);
}

/* Card General */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

/* 1. SETUP CARD */
.setup-card {
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.setup-hero {
  margin-bottom: 1.75rem;
}

.setup-bomb-icon {
  width: 80px;
  height: 80px;
  image-rendering: pixelated;
  object-fit: contain;
  margin-bottom: 0.85rem;
  filter: drop-shadow(0 6px 20px rgba(255, 159, 28, 0.45));
  animation: floatBomb 3s ease-in-out infinite;
}

@keyframes floatBomb {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.setup-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
  color: var(--text);
}

.setup-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.5;
}

.setup-subtitle em {
  color: var(--accent-orange);
  font-style: normal;
  font-weight: 700;
}

/* Mode selector tabs */
.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.mode-tab-btn {
  background: var(--bg-subtle);
  border: 2px solid var(--border);
  color: var(--text-muted);
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.mode-tab-btn .tab-sub {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.mode-tab-btn:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.mode-tab-btn.active {
  background: rgba(255, 159, 28, 0.15);
  border-color: var(--accent-orange);
  color: var(--text);
  box-shadow: 0 4px 18px rgba(255, 159, 28, 0.25);
}

.mode-tab-btn.active .tab-sub {
  color: var(--accent-orange);
}

/* Mode Settings Block */
.mode-settings-block {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
  text-align: left;
}

.setting-group {
  margin-bottom: 1.25rem;
}

.setting-group:last-child {
  margin-bottom: 0;
}

.setting-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.player-count-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.count-btn {
  flex: 1;
  min-width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
}

.count-btn:hover {
  border-color: var(--accent-orange);
}

.count-btn.active {
  background: var(--accent-orange);
  color: #0a0e17;
  border-color: var(--accent-orange);
  box-shadow: 0 2px 10px rgba(255, 159, 28, 0.4);
}

.players-inputs-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.65rem;
}

.player-input-chip {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  gap: 0.5rem;
}

.player-chip-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-orange);
  min-width: 20px;
}

.player-name-input {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
  outline: none;
  width: 100%;
}

.player-name-input:focus {
  color: var(--accent);
}

.setting-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.custom-select, .custom-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  outline: none;
  transition: border-color 0.15s ease;
}

.custom-select:focus, .custom-input:focus {
  border-color: var(--accent-orange);
}

.solo-intro-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.solo-stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
  text-align: center;
}

.solo-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.solo-stat-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
}

.solo-tip-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 1rem;
}

.btn-start-game {
  width: 100%;
  background: var(--accent-orange);
  color: #0a0e17;
  border: none;
  border-radius: 12px;
  padding: 1.15rem;
  font-size: 1.2rem;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 18px rgba(255, 159, 28, 0.45);
}

.btn-start-game:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 159, 28, 0.6);
}

/* 2. GAMEPLAY ARENA */
.game-arena {
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}

/* Arena Top Bar */
.arena-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.active-turn-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border-strong);
  padding: 0.5rem 1rem;
  border-radius: 10px;
}

.turn-avatar {
  font-size: 1.6rem;
  line-height: 1;
}

.turn-overline {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--accent-orange);
  font-weight: 800;
  text-align: left;
}

.turn-player-name {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text);
}

.arena-stats-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hearts-box {
  display: flex;
  gap: 0.35rem;
  font-size: 1.4rem;
}

.heart {
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.heart.lost {
  opacity: 0.3;
  filter: grayscale(1);
  transform: scale(0.85);
}

.solo-score-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
}

.score-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.score-num {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent);
}

.streak-badge {
  background: rgba(255, 159, 28, 0.2);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

/* CIRCULAR ARENA STAGE: Players arranged in a circle with rotating center arrow and NO visible timer */
.circular-arena-wrapper {
  position: relative;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1 / 1;
  margin: 0.75rem auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 520px) {
  .circular-arena-wrapper {
    max-width: 380px;
  }
}

@media (max-width: 380px) {
  .circular-arena-wrapper {
    max-width: 320px;
  }
}

.circle-table-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 84%;
  height: 84%;
  transform: translate(-50%, -50%);
  border: 2px dashed rgba(251, 133, 0, 0.28);
  border-radius: 50%;
  pointer-events: none;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.45) inset, 0 0 20px rgba(251, 133, 0, 0.08);
}

/* Center Pointer Rotating Layer (100% concentric rotation about exact center 50% 50%) */
.arena-pointer-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: 50% 50%;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 10;
}

.arena-pointer-arrow {
  position: absolute;
  top: 13%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 12px #fb8500);
  transition: filter 0.2s ease;
}

.arena-pointer-arrow.ticking-panic {
  filter: drop-shadow(0 0 18px #ef476f);
}

.pointer-svg {
  display: block;
}

/* Center Bomb Sphere & Letters Hub */
.bomb-center-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 176px;
  height: 176px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #354257 0%, #17202f 45%, #0c111a 90%);
  border: 3.5px solid #4a5c80;
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.75),
    inset 0 2px 8px rgba(255, 255, 255, 0.18),
    inset 0 -6px 18px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 12;
  overflow: visible;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

@media (max-width: 440px) {
  .bomb-center-hub {
    width: 148px;
    height: 148px;
  }
}

/* Metallic Bomb Collar and Burning Fuse Wick on top of the bomb sphere */
.bomb-cap-assembly {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 13;
  pointer-events: none;
}

.bomb-collar {
  width: 28px;
  height: 12px;
  background: linear-gradient(90deg, #5c4326, #b08953, #d4a373, #8c6a3e);
  border: 1.5px solid #2e1d0c;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.bomb-wick-svg {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-20%);
  overflow: visible;
}

.fuse-glow {
  position: absolute;
  top: -24px;
  right: -6px;
  width: 16px;
  height: 16px;
  background: radial-gradient(circle, #ffffff 10%, #ffd166 40%, #ff9f1c 70%, transparent 100%);
  border-radius: 50%;
  filter: blur(2px);
  animation: fuseFlicker 0.12s infinite alternate ease-in-out;
}

@keyframes fuseFlicker {
  0% { transform: scale(0.85); opacity: 0.8; filter: blur(2px) drop-shadow(0 0 6px #ff9f1c); }
  100% { transform: scale(1.3); opacity: 1; filter: blur(1px) drop-shadow(0 0 14px #ff5400); }
}

.bomb-sparks-canvas {
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 280px;
  pointer-events: none;
  z-index: 14;
}

/* Prompt box in center of bomb sphere */
.prompt-box {
  text-align: center;
  z-index: 3;
  margin-top: 4px;
}

.prompt-caption {
  font-family: var(--font-pixel);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #8da2c0;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 2px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.prompt-letters {
  font-family: var(--font-pixel);
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffd166;
  letter-spacing: 0.14em;
  text-shadow:
    0 0 14px rgba(255, 209, 102, 0.75),
    0 0 28px rgba(251, 133, 0, 0.45);
  line-height: 1;
}

@media (max-width: 440px) {
  .prompt-letters {
    font-size: 1.85rem;
  }
}

/* Shaking & Panic Animation on the entire bomb sphere */
.bomb-center-hub.ticking-panic {
  border-color: #ef476f !important;
  box-shadow:
    0 0 35px rgba(239, 71, 111, 0.8),
    0 10px 30px rgba(0, 0, 0, 0.8),
    inset 0 0 24px rgba(239, 71, 111, 0.4) !important;
  animation: bombCorePanic 0.08s infinite alternate ease-in-out;
}

@keyframes bombCorePanic {
  0% { transform: translate(-50%, -50%) translate(-2px, -1.5px) rotate(-1.5deg); }
  100% { transform: translate(-50%, -50%) translate(2px, 1.5px) rotate(1.5deg); }
}

.bomb-center-hub.exploding {
  animation: bombExplosionBoom 0.6s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

@keyframes bombExplosionBoom {
  0% { transform: translate(-50%, -50%) scale(1); filter: brightness(1); }
  30% { transform: translate(-50%, -50%) scale(1.4); filter: brightness(2.5) drop-shadow(0 0 50px #ff0055); }
  100% { transform: translate(-50%, -50%) scale(0.2); opacity: 0; filter: brightness(3); }
}

/* Circular Players Perimeter */
.circle-players-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 15;
}

.circle-player-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  pointer-events: auto;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cp-avatar-wrap {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #0d1322;
  border: 2.5px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

@media (max-width: 440px) {
  .cp-avatar-wrap {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }
}

.cp-bomb-indicator {
  position: absolute;
  top: -8px;
  right: -8px;
  font-size: 0.95rem;
  animation: floatBomb 1s infinite alternate ease-in-out;
}

@keyframes floatBomb {
  from { transform: translateY(0); }
  to { transform: translateY(-3px); }
}

.cp-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0.15rem;
}

.cp-name {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  max-width: 78px;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

.cp-hearts {
  font-size: 0.7rem;
  letter-spacing: -0.05em;
  display: block;
}

/* Active Turn Highlighting on Circle */
.circle-player-node.is-active-turn .cp-avatar-wrap {
  transform: scale(1.22);
  border-color: #fb8500 !important;
  box-shadow: 0 0 18px rgba(251, 133, 0, 0.75), 0 0 35px rgba(251, 133, 0, 0.4);
  background: rgba(251, 133, 0, 0.25);
}

.circle-player-node.is-active-turn .cp-name {
  color: #ffd166;
  font-size: 0.84rem;
  font-weight: 900;
}

.circle-player-node.is-eliminated {
  opacity: 0.35;
  filter: grayscale(1);
}

.circle-player-node.is-eliminated .cp-name {
  text-decoration: line-through;
}

.prompt-letters {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-shadow: 0 0 24px rgba(255, 209, 102, 0.45);
}

/* Word Input Form */
.word-form {
  max-width: 480px;
  margin: 0 auto 1.5rem;
}

.word-input-wrap {
  display: flex;
  gap: 0.5rem;
  position: relative;
}

.word-input {
  flex: 1;
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  text-align: center;
  letter-spacing: 0.05em;
}

.word-input:focus {
  border-color: var(--accent-orange);
  box-shadow: 0 0 20px rgba(255, 159, 28, 0.3);
}

.word-input.shake {
  animation: inputShake 0.4s ease;
  border-color: var(--danger) !important;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.word-input.success {
  border-color: var(--success) !important;
  box-shadow: 0 0 24px rgba(6, 214, 160, 0.4) !important;
}

.btn-submit-word {
  background: var(--accent);
  color: #0a0e17;
  border: none;
  border-radius: 12px;
  padding: 0 1.5rem;
  font-size: 1.1rem;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-submit-word:hover {
  transform: translateY(-2px);
  background: #ffe08a;
}

.input-feedback {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  margin-top: 0.65rem;
  text-align: center;
  transition: all 0.2s ease;
}

.input-feedback.error {
  color: var(--danger);
}

.input-feedback.ok {
  color: var(--success);
}

/* Used words ticker */
.used-words-container {
  background: rgba(10, 14, 23, 0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  text-align: left;
}

.used-words-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.used-words-list {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  max-height: 90px;
  overflow-y: auto;
}

.used-word-chip {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

.used-word-chip .match-highlight {
  color: var(--accent-orange);
  font-weight: 900;
}

/* 3. GAME OVER / VICTORY CARD */
.game-over-card {
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.victory-icon-wrap {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
}

.game-over-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  background: rgba(255, 159, 28, 0.15);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.game-over-title {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 0.45rem;
}

.game-over-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.standings-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  text-align: left;
}

.standings-heading {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.standings-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.standing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.65rem 0.95rem;
  border-radius: 8px;
}

.standing-row.winner {
  border-color: var(--accent);
  background: rgba(255, 209, 102, 0.1);
}

.standing-name {
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.standing-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
}

/* Solo Summary Stats */
.solo-summary-box {
  margin-bottom: 1.75rem;
}

.summary-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat-cell {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}

.cell-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.cell-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent);
}

/* Actions Buttons */
.game-over-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.action-btn-primary {
  font-family: var(--font-mono);
  background: var(--accent-orange);
  color: #0a0e17;
  border: none;
  padding: 0.9rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  min-width: 200px;
}

.action-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(255, 159, 28, 0.45);
}

.action-btn-secondary {
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 0.9rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  min-width: 200px;
  transition: background 0.15s ease, color 0.15s ease;
}

.action-btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.2s ease;
}

.rules-card {
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  border-radius: 16px;
  padding: 2rem;
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  text-align: left;
}

.rules-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-icon-mini {
  width: 24px;
  height: 24px;
  image-rendering: pixelated;
  vertical-align: middle;
  margin-right: 0.35rem;
}

.rules-title {
  font-size: 1.35rem;
  font-weight: 900;
}

.close-btn {
  background: transparent;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.close-btn:hover {
  color: var(--text);
}

.rules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.rules-list strong {
  color: var(--text);
}

.rules-list code {
  font-family: var(--font-mono);
  background: rgba(255, 159, 28, 0.15);
  color: var(--accent-orange);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Footer */
.game-footer {
  text-align: center;
  padding: 2rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.game-footer a {
  color: var(--accent);
  text-decoration: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 0.75rem 0.75rem 2rem;
  }
  .card {
    padding: 1.25rem 1rem;
  }
  .mode-tabs {
    grid-template-columns: 1fr;
  }
  .setting-row {
    grid-template-columns: 1fr;
  }
  .summary-stats-grid {
    grid-template-columns: 1fr;
  }
  .prompt-letters {
    font-size: 2.2rem;
  }
  .action-btn-primary, .action-btn-secondary {
    width: 100%;
    min-width: auto;
  }
}

/* Multi-device Lobby CTA Banner */
.lobby-banner-cta {
  background: linear-gradient(135deg, rgba(251, 133, 0, 0.14), rgba(131, 56, 236, 0.14));
  border: 1.5px solid var(--accent-orange);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 4px 14px rgba(251, 133, 0, 0.15);
}

@media (max-width: 600px) {
  .lobby-banner-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

.lobby-cta-content {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.lobby-cta-icon {
  font-size: 1.8rem;
}

.lobby-cta-content strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.lobby-cta-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.lobby-cta-btn {
  background: linear-gradient(135deg, #fb8500, #ff5400);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(251, 133, 0, 0.3);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.lobby-cta-btn:hover {
  transform: translateY(-2px);
}

.waiting-turn-banner {
  background: rgba(28, 39, 66, 0.7);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  text-align: center;
  margin-top: 0.75rem;
}

.my-turn-active {
  animation: myTurnGlow 1.2s infinite alternate ease-in-out;
  border-color: #fb8500 !important;
}

@keyframes myTurnGlow {
  0% { box-shadow: 0 0 10px rgba(251, 133, 0, 0.4); }
  100% { box-shadow: 0 0 28px rgba(251, 133, 0, 0.85); }
}