/**
 * 4 大核心行动互动演练关卡 CSS
 */

.challenge-header-bar {
  margin-bottom: 16px;
}

.challenge-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-main);
}

.tab-btn.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 700;
}

.challenge-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.challenge-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.challenge-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.challenge-info-card h2 {
  font-size: 1.3rem;
  color: var(--text-main);
  margin: 4px 0;
}

.challenge-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.instructions-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px 18px;
}

.instructions-box pre {
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text-main);
  white-space: pre-wrap;
  line-height: 1.6;
}

/* 关卡交互舞台 Container */
.challenge-interactive-stage {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.stage-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 关卡 1 拿取能量 UI */
.bank-coins-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.coin-btn {
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.coin-btn:hover:not(:disabled) {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.coin-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.coin-icon {
  font-size: 1.4rem;
}

.coin-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.coin-avail {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.turn-selection-info {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-sm {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-sm:hover:not(:disabled) {
  border-color: var(--accent-cyan);
}

.btn-action {
  background: var(--accent-cyan);
  color: #0F172A;
  font-weight: 700;
  border-color: var(--accent-cyan);
}

.player-held-section {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
}

.player-held-section.alert-border {
  border-color: var(--c-fire);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.2);
}

.held-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.held-count-badge {
  font-size: 0.9rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.held-count-badge.over-cap {
  background: rgba(239, 68, 68, 0.15);
  color: var(--c-fire);
}

.held-coins-flex {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.held-token-pill {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-color);
}

.btn-discard {
  background: var(--c-fire);
  color: #FFF;
  border: none;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  font-weight: 700;
}

.warning-banner {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--c-fire);
  color: #FCA5A5;
  padding: 10px 14px;
  border-radius: 6px;
  margin-top: 12px;
  font-size: 0.85rem;
}

/* 关卡 2 / 3 捕获与预留 Target Display */
.target-card-display {
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 320px;
  margin: 12px 0;
  text-align: center;
}

.card-cost-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 12px 0;
  line-height: 1.5;
}

.btn-buy-action, .btn-reserve-action, .btn-evolve-action {
  background: linear-gradient(135deg, var(--accent-cyan), #0284C7);
  color: #FFF;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-buy-action:hover, .btn-reserve-action:hover, .btn-evolve-action:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.4);
}

.player-assets-area {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.asset-col {
  flex: 1;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  padding: 14px;
  border-radius: 8px;
}

.asset-col h5 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.captured-mini-card {
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--c-fire);
  color: var(--c-fire);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* 关卡 4 进化 UI */
.score-board-big {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.score-number {
  font-size: 1.5rem;
  color: var(--accent-gold);
  font-weight: 800;
}

.evolution-flex-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.evo-card-source, .evo-card-target {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.evo-arrow {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

/* 通关成功 Banner */
.success-banner {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--accent-green);
  color: #A7F3D0;
  padding: 16px 20px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.victory-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.2));
  border: 2px solid var(--accent-gold);
  color: #FDE68A;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
}

.btn-next-ch {
  align-self: flex-start;
  background: var(--accent-green);
  color: #0F172A;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
}