.duel-hud {
  position: fixed;
  z-index: var(--z-panel);
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: min(360px, calc(100vw - 32px));
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  text-align: center;
  pointer-events: none;
}

.duel-hud-timer {
  display: inline-block;
  min-width: 72px;
  padding: 4px 10px;
  background: rgba(8, 14, 24, 0.82);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: var(--text-lg);
  font-weight: 600;
}

.duel-hud-opponent {
  margin-top: 8px;
  padding: 7px 10px;
  background: rgba(8, 14, 24, 0.78);
  border: 1px solid rgba(122, 170, 255, 0.34);
  border-radius: var(--radius-sm);
}

.duel-hud-name {
  color: var(--color-text);
  font-size: var(--text-xs);
  text-align: left;
  margin-bottom: 5px;
}

.duel-hud-bar {
  height: 8px;
  overflow: hidden;
  background: rgba(255, 80, 80, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2px;
}

.duel-hud-bar-fill {
  height: 100%;
  background: #4fd08b;
}

.duel-countdown {
  position: fixed;
  z-index: var(--z-modal);
  top: 30vh;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  font-weight: 700;
  text-align: center;
  pointer-events: none;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7);
}

.duel-countdown--number {
  font-size: 96px;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.duel-countdown--begin {
  font-size: 64px;
  color: #4fd08b;
  letter-spacing: 0.02em;
}

.duel-result {
  position: fixed;
  z-index: calc(var(--z-modal) + 1);
  top: 34vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(320px, calc(100vw - 32px));
  padding: 18px 16px;
  background: rgba(8, 14, 24, 0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.62);
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  text-align: center;
  pointer-events: none;
}

.duel-result--won {
  border-color: #4fd08b;
}

.duel-result--lost {
  border-color: #ff6b6b;
}

.duel-result--draw {
  border-color: var(--color-text-muted);
}

.duel-result-title {
  font-size: 28px;
  font-weight: 600;
}

.duel-result-reason {
  margin-top: 4px;
  color: var(--color-text);
  font-size: var(--text-sm);
}

.duel-chain-toast {
  position: fixed;
  z-index: calc(var(--z-modal) + 2);
  top: 18px;
  right: 18px;
  display: flex;
  gap: 10px;
  align-items: center;
  max-width: min(420px, calc(100vw - 36px));
  padding: 10px 12px;
  background: rgba(8, 14, 24, 0.92);
  border: 1px solid rgba(122, 170, 255, 0.62);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.46);
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.duel-chain-toast--success {
  border-color: rgba(79, 208, 139, 0.72);
}

.duel-chain-toast--error {
  background: rgba(26, 8, 14, 0.92);
  border-color: rgba(255, 107, 107, 0.65);
}

.duel-chain-toast-spinner {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.duel-chain-toast-copy {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.duel-chain-toast-copy strong {
  font-size: var(--text-sm);
}

.duel-chain-toast-copy span {
  color: var(--color-text);
}

.duel-chain-toast button {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-strong);
  cursor: pointer;
}