:root {
  --bg: #091526;
  --surface: #13233b;
  --surface-2: #1e3454;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --correct: #10b981;
  --wrong: #ef4444;
  --warn: #f59e0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  height: 100%;
  background: radial-gradient(circle at 50% 0%, #132e4f 0%, #091526 72%);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

/* Topbar */
.topbar {
  display: flex;
  flex-direction: column;
  background: rgba(9, 21, 38, 0.92);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  backdrop-filter: blur(12px);
  z-index: 20;
  flex-shrink: 0;
}

.topbar-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 14px;
}

.topbar-right-compact {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.mode-tabs {
  display: inline-flex;
  background: rgba(19, 35, 59, 0.95);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 100%;
}

.mode-tabs::-webkit-scrollbar {
  display: none;
}

.mode-tab {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 6px 11px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.mode-tab.active {
  background: linear-gradient(135deg, #0ea5e9, #10b981);
  color: #fff;
  box-shadow: 0 2px 12px rgba(14, 165, 233, 0.35);
}

.geo-drawer {
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(7, 17, 31, 0.96);
  padding: 10px 14px;
  animation: pop-in 0.18s ease;
}

.geo-drawer[hidden],
.hud-pills[hidden],
.seed-box[hidden],
.btn-primary-sm[hidden] {
  display: none !important;
}

.geo-drawer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  max-width: 1120px;
  margin: 0 auto;
}

#btn-toggle-geo-drawer[aria-expanded='true'] {
  background: rgba(56, 189, 248, 0.22);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #7dd3fc;
}

.tier-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.tier-selector select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.hud-pills {
  display: flex;
  gap: 5px;
}

.hud-pill {
  background: rgba(19, 35, 59, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 4px 9px;
  border-radius: 99px;
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
}

.hud-pill strong {
  color: #fff;
  font-weight: 800;
}

.hud-pill.streak strong {
  color: #fbbf24;
}

.seed-box {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(19, 35, 59, 0.9);
  padding: 4px 8px;
  border-radius: 9px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.seed-label {
  font-size: 0.75rem;
  color: var(--muted);
}

#seed-input {
  width: 90px;
  background: rgba(9, 21, 38, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.28);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  padding: 4px 7px;
  border-radius: 6px;
}

.btn-subtle,
.btn-primary-sm,
.btn-icon {
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease;
}

.btn-subtle {
  background: var(--surface-2);
  color: var(--text);
  padding: 5px 8px;
  font-size: 0.75rem;
}

.btn-primary-sm {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #fff;
  padding: 5px 9px;
  font-size: 0.75rem;
}

.btn-icon {
  background: var(--surface);
  color: var(--text);
  width: 32px;
  height: 32px;
  border: 1px solid rgba(148, 163, 184, 0.22);
}

/* Toasts */
.toast-container {
  position: fixed;
  top: 64px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 95;
  pointer-events: none;
}

.toast {
  background: #f8fafc;
  color: #091526;
  padding: 8px 16px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  animation: pop-in 0.2s ease;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Stage */
.main-stage {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.game-view {
  width: 100%;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.game-view[hidden] {
  display: none;
}

/* Quiz Mode */
.quiz-top-row {
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.round-bar {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 700;
}

.quiz-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
}

.toggle-chip {
  flex: 1;
  min-width: 180px;
  background: rgba(19, 35, 59, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.16s ease;
}

.toggle-chip strong {
  color: #f8fafc;
}

.toggle-chip.active {
  background: rgba(16, 185, 129, 0.16);
  border-color: rgba(16, 185, 129, 0.5);
  color: #a7f3d0;
}

.toggle-chip.active strong {
  color: #34d399;
}

.region-badge[hidden],
.quiz-options[hidden],
.quiz-write-box[hidden] {
  display: none !important;
}

.quiz-write-box {
  position: relative;
  width: 100%;
  max-width: 520px;
}

#quiz-write-input {
  flex: 1;
  background: rgba(19, 35, 59, 0.95);
  border: 2px solid rgba(56, 189, 248, 0.4);
  color: #fff;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 700;
}

#quiz-write-input.correct {
  border-color: var(--correct);
  background: rgba(16, 185, 129, 0.2);
}

#quiz-write-input.wrong {
  border-color: var(--wrong);
  background: rgba(239, 68, 68, 0.2);
  animation: shake-wrong 0.4s ease;
}

.progress-track {
  height: 8px;
  background: rgba(30, 52, 84, 0.7);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, #38bdf8, #10b981);
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.flag-showcase {
  background: rgba(19, 35, 59, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 20px;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 520px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.flag-showcase.enter {
  animation: card-enter 0.34s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.region-badge {
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flag-frame {
  position: relative;
  width: min(100%, 310px);
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: #0b172a;
  border: 2px solid rgba(248, 250, 252, 0.18);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flag-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flag-fact {
  font-size: 0.86rem;
  color: #6ee7b7;
  font-weight: 700;
  text-align: center;
  animation: pop-in 0.22s ease;
}

.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
  max-width: 520px;
}

@media (max-width: 520px) {
  .quiz-options {
    grid-template-columns: 1fr;
  }
}

.option-btn {
  background: rgba(30, 52, 84, 0.85);
  border: 2px solid rgba(148, 163, 184, 0.25);
  color: var(--text);
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.96rem;
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
  text-align: center;
}

.option-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(30, 58, 95, 0.95);
}

.option-btn.correct {
  background: var(--correct);
  border-color: #6ee7b7;
  color: #fff;
  animation: pulse-correct 0.42s ease;
}

.option-btn.wrong {
  background: var(--wrong);
  border-color: #fca5a5;
  color: #fff;
  animation: shake-wrong 0.4s ease;
}

@keyframes pulse-correct {
  0% {
    transform: scale(0.96);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake-wrong {
  0%,
  100% {
    transform: translateX(0);
  }
  25%,
  75% {
    transform: translateX(-7px);
  }
  50% {
    transform: translateX(7px);
  }
}

/* Flagle & Compass Mode */
.flagle-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 18px;
  width: 100%;
  align-items: start;
}

@media (max-width: 760px) {
  .flagle-layout {
    grid-template-columns: 1fr;
  }
}

.flagle-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flagle-mask-grid {
  position: absolute;
  inset: -1px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 0;
  background: transparent;
  z-index: 2;
}

.mask-piece {
  background: #15233b;
  box-shadow: inset 0 0 0 1.5px #283e61;
  margin: -0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
  color: #64748b;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  backface-visibility: hidden;
}

.mask-piece.revealed {
  transform: rotateY(90deg) scale(0.8);
  opacity: 0;
  pointer-events: none;
}

.autocomplete-box {
  position: relative;
  width: 100%;
}

.input-row {
  display: flex;
  gap: 6px;
}

#flagle-input {
  flex: 1;
  background: rgba(19, 35, 59, 0.95);
  border: 2px solid rgba(56, 189, 248, 0.35);
  color: #fff;
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 700;
}

.btn-guess {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0 16px;
  font-weight: 800;
  cursor: pointer;
}

.suggestions-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #13233b;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 10px;
  max-height: 200px;
  overflow-y: auto;
  list-style: none;
  z-index: 40;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
}

.suggestions-list li {
  padding: 9px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.suggestions-list li:hover,
.suggestions-list li.active {
  background: rgba(56, 189, 248, 0.22);
}

.suggestions-list img {
  width: 26px;
  height: 19px;
  object-fit: cover;
  border-radius: 3px;
}

.flagle-right {
  background: rgba(19, 35, 59, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 16px;
  padding: 14px;
  min-height: 290px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guesses-heading {
  font-size: 0.84rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.flagle-guesses {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guess-item {
  display: grid;
  grid-template-columns: 34px 1fr auto auto 64px;
  align-items: center;
  gap: 10px;
  background: rgba(30, 52, 84, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 700;
  animation: card-enter 0.26s ease;
}

.guess-item.win {
  background: rgba(16, 185, 129, 0.22);
  border-color: #10b981;
}

.guess-item img {
  width: 32px;
  height: 24px;
  object-fit: cover;
  border-radius: 4px;
}

.guess-dist {
  color: #fbbf24;
  font-variant-numeric: tabular-nums;
}

.guess-dir {
  background: rgba(9, 21, 38, 0.7);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.82rem;
}

.guess-prox {
  text-align: right;
  color: #34d399;
  font-weight: 900;
}

/* Higher or Lower Mode */
.highlow-prompt {
  font-size: 1.05rem;
  color: #cbd5e1;
}

.duel-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  width: 100%;
}

@media (max-width: 680px) {
  .duel-grid {
    grid-template-columns: 1fr;
  }
  .vs-circle {
    margin: -6px auto;
  }
}

.duel-card {
  background: rgba(19, 35, 59, 0.85);
  border: 2px solid rgba(148, 163, 184, 0.22);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  animation: card-enter 0.3s ease;
}

.duel-card img {
  width: 180px;
  height: 135px;
  object-fit: cover;
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.duel-card h3 {
  font-size: 1.25rem;
}

.duel-sub {
  font-size: 0.8rem;
  color: var(--muted);
}

.vs-circle {
  width: 48px;
  height: 48px;
  border-radius: 99px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.pop-box {
  background: rgba(9, 21, 38, 0.7);
  padding: 10px 16px;
  border-radius: 12px;
  width: 100%;
}

.pop-box small {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
}

.pop-box strong {
  font-size: 1.45rem;
  color: #38bdf8;
  font-variant-numeric: tabular-nums;
}

.hl-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.btn-hl {
  border: none;
  padding: 11px 14px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.14s ease;
}

.btn-hl:hover {
  transform: scale(1.03);
}

.btn-hl.higher {
  background: var(--correct);
  color: #fff;
}

.btn-hl.lower {
  background: #f59e0b;
  color: #091526;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 90;
}

.modal-backdrop[hidden] {
  display: none;
}

.modal-card {
  background: #13233b;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 18px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
}

.modal-badge {
  align-self: center;
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
}

.summary-highlight {
  background: rgba(9, 21, 38, 0.65);
  padding: 14px;
  border-radius: 12px;
  font-weight: 800;
  color: #6ee7b7;
  font-size: 1.05rem;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-share,
.btn-next {
  border: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.92rem;
  cursor: pointer;
}

.btn-share {
  background: var(--correct);
  color: #fff;
}

.btn-next {
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #fff;
}

.btn-close-text {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 6px;
  cursor: pointer;
}

/* ==================== MODO 4: VERSUS 1v1 & ROYALE ==================== */
.versus-view {
  max-width: 1120px;
  gap: 10px;
}

.vs-topbar {
  width: 100%;
  background: rgba(19, 35, 59, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 14px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vs-quick-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.vs-quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.vs-copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(9, 21, 38, 0.9);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.76rem;
  font-weight: 800;
  cursor: pointer;
}

#btn-vs-toggle-config[aria-expanded='true'] {
  background: rgba(56, 189, 248, 0.22);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #7dd3fc;
}

.vs-config-drawer {
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: pop-in 0.18s ease;
}

.vs-config-drawer[hidden] {
  display: none !important;
}

.vs-room-row,
.vs-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.vs-name-field,
.vs-room-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.vs-name-field label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
}

#vs-player-name,
#vs-room-code {
  background: rgba(9, 21, 38, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #fff;
  padding: 5px 9px;
  border-radius: 7px;
  font-weight: 800;
  font-size: 0.8rem;
}

#vs-player-name {
  width: 125px;
}

#vs-room-code {
  width: 96px;
  color: var(--accent);
  text-transform: uppercase;
}

.vs-status-group,
.vs-toggles-left,
.vs-bot-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.vs-bot-controls[hidden] {
  display: none !important;
}

.vs-count-badge {
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #7dd3fc;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.76rem;
  font-weight: 800;
}

.vs-status-badge {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #6ee7b7;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.76rem;
  font-weight: 800;
}

.btn-vs-start {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 10px;
  font-weight: 900;
  font-size: 0.86rem;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.32);
  transition: transform 0.15s ease;
}

.btn-vs-start:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-vs-start:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.versus-arena {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}

@media (max-width: 860px) {
  .versus-arena {
    grid-template-columns: 1fr;
  }
}

.versus-panel {
  background: rgba(19, 35, 59, 0.72);
  border: 2px solid rgba(148, 163, 184, 0.22);
  border-radius: 18px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.versus-panel.my-panel {
  border-color: rgba(56, 189, 248, 0.42);
}

.versus-panel.opp-panel {
  border-color: rgba(245, 158, 11, 0.38);
}

.versus-panel.flash-correct {
  border-color: var(--correct);
  box-shadow: 0 0 28px rgba(16, 185, 129, 0.35);
}

.versus-panel.flash-wrong {
  border-color: var(--wrong);
  box-shadow: 0 0 28px rgba(239, 68, 68, 0.4);
  animation: shake-wrong 0.38s ease;
}

.versus-panel.eliminated {
  opacity: 0.55;
  filter: grayscale(0.65);
  border-color: rgba(239, 68, 68, 0.35);
}

.vs-opponents-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-content: start;
}

.vs-opponents-grid.multi-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.vs-opponents-grid.multi-grid .versus-panel {
  padding: 10px;
  gap: 7px;
  border-radius: 14px;
}

.vs-opponents-grid.multi-grid .vs-flag-frame {
  width: min(100%, 150px);
}

.vs-opponents-grid.multi-grid .vs-flag-card {
  padding: 8px;
  gap: 6px;
}

.vs-opponents-grid.multi-grid .vs-player-id strong {
  font-size: 0.82rem;
}

.vs-opponents-grid.multi-grid .vs-avatar-dot {
  width: 28px;
  height: 28px;
  font-size: 0.78rem;
}

.vs-opponents-grid.multi-grid .vs-feedback {
  font-size: 0.74rem;
}

.vs-player-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.vs-player-id {
  display: flex;
  align-items: center;
  gap: 8px;
}

.vs-player-id strong {
  display: block;
  font-size: 0.92rem;
}

.vs-player-id small {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
}

.vs-avatar-dot {
  width: 34px;
  height: 34px;
  border-radius: 99px;
  background: #0ea5e9;
  color: #fff;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.vs-avatar-dot.opp {
  background: #f59e0b;
}

.vs-player-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.vs-lives {
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.vs-error-pill {
  background: rgba(239, 68, 68, 0.16);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
}

.vs-score-pill {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #7dd3fc;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 0.74rem;
  font-weight: 800;
}

.vs-flag-card {
  padding: 12px;
  max-width: 100%;
  background: rgba(9, 21, 38, 0.6);
}

.vs-flag-frame {
  width: min(100%, 235px);
}

.vs-feedback {
  font-size: 0.8rem;
  font-weight: 800;
  color: #cbd5e1;
  text-align: center;
  min-height: 1.2em;
}

.vs-feedback.ok {
  color: #34d399;
}

.vs-feedback.bad {
  color: #f87171;
}

.vs-options {
  max-width: 100%;
  gap: 8px;
}

.vs-options .option-btn {
  padding: 10px 12px;
  font-size: 0.85rem;
}

.opp-options .option-btn {
  opacity: 0.75;
  cursor: default;
}

.vs-divider-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.vs-rule-tag {
  writing-mode: horizontal-tb;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.32);
  padding: 4px 8px;
  border-radius: 99px;
  text-align: center;
  max-width: 96px;
}

#vs-my-write-input {
  flex: 1;
  background: rgba(19, 35, 59, 0.95);
  border: 2px solid rgba(56, 189, 248, 0.4);
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
}

/* ==================== MOBILE OPTIMIZATIONS ==================== */
@media (max-width: 720px) {
  .topbar-main {
    flex-wrap: wrap;
    padding: 6px 10px;
    gap: 6px;
  }

  .mode-tabs {
    width: 100%;
    order: 2;
    justify-content: space-between;
  }

  .mode-tab {
    flex: 1;
    text-align: center;
    padding: 6px 6px;
    font-size: 0.72rem;
  }

  .topbar-right-compact {
    width: 100%;
    order: 1;
    justify-content: space-between;
  }

  .hud-pill {
    font-size: 0.72rem;
    padding: 3px 8px;
  }

  .tier-selector,
  .seed-box {
    width: 100%;
    justify-content: space-between;
  }

  .tier-selector select,
  #seed-input {
    flex: 1;
    min-width: 0;
    font-size: 16px;
  }

  .main-stage {
    align-items: flex-start;
    padding: 8px 10px 14px;
  }

  .game-view {
    gap: 10px;
  }

  .toggle-chip {
    min-width: 135px;
    padding: 6px 9px;
    font-size: 0.72rem;
  }

  .flag-showcase {
    padding: 12px 14px;
    border-radius: 14px;
    gap: 8px;
  }

  .flag-frame {
    width: min(100%, 215px);
  }

  .quiz-options {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .option-btn {
    padding: 11px 10px;
    font-size: 0.84rem;
    border-radius: 10px;
  }

  #quiz-write-input,
  #flagle-input,
  #vs-my-write-input {
    font-size: 16px;
    padding: 9px 11px;
  }

  /* Flagle compact on mobile */
  .flagle-layout {
    gap: 10px;
  }

  .flagle-right {
    min-height: 170px;
    padding: 10px;
  }

  .guess-item {
    grid-template-columns: 28px 1fr auto auto 46px;
    gap: 6px;
    padding: 7px 9px;
    font-size: 0.76rem;
  }

  /* HighLow side-by-side compact on mobile */
  .highlow-prompt {
    font-size: 0.9rem;
  }

  .duel-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .duel-card {
    padding: 12px;
    border-radius: 14px;
    gap: 6px;
  }

  .duel-card img {
    width: 125px;
    height: 92px;
  }

  .duel-card h3 {
    font-size: 1.05rem;
  }

  .pop-box {
    padding: 7px 12px;
  }

  .pop-box strong {
    font-size: 1.15rem;
  }

  .hl-actions {
    flex-direction: row;
  }

  .btn-hl {
    flex: 1;
    padding: 9px 8px;
    font-size: 0.78rem;
  }

  /* Versus & Battle Royale on mobile */
  .vs-topbar {
    padding: 7px 10px;
    border-radius: 12px;
  }

  .vs-status-badge,
  .vs-count-badge,
  .vs-copy-chip {
    font-size: 0.7rem;
    padding: 3px 8px;
  }

  .vs-quick-actions {
    width: 100%;
    justify-content: space-between;
  }

  .btn-vs-start {
    flex: 1;
    padding: 7px 12px;
    font-size: 0.8rem;
  }

  .vs-name-field,
  .vs-room-controls {
    width: 100%;
    justify-content: space-between;
  }

  #vs-player-name,
  #vs-room-code {
    flex: 1;
    font-size: 16px;
  }

  .versus-arena {
    gap: 8px;
  }

  .versus-panel {
    padding: 10px;
    border-radius: 14px;
    gap: 8px;
  }

  .vs-flag-frame {
    width: min(100%, 175px);
  }

  .vs-divider-col {
    flex-direction: row;
    justify-content: center;
    gap: 8px;
  }

  .vs-divider-col .vs-circle {
    width: 34px;
    height: 34px;
    font-size: 0.75rem;
  }

  .vs-rule-tag {
    max-width: none;
  }

  .vs-opponents-grid.multi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .vs-opponents-grid.multi-grid .vs-flag-frame {
    width: min(100%, 105px);
  }

  .vs-opponents-grid.multi-grid .vs-player-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}