/* ===== 数据中心页面样式 - Data Center Styles ===== */
/* 设计风格：Military Tactical Tech（军事科技风） */

/* ===== 页面头部区域 ===== */
.data-hero {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, #0d1a14 50%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: calc(64px + var(--space-3xl)) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.data-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 20% 40%, rgba(0, 255, 65, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(0, 191, 255, 0.03) 0%, transparent 50%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 100px,
      rgba(0, 255, 65, 0.01) 100px,
      rgba(0, 255, 65, 0.01) 101px
    );
  pointer-events: none;
}

.data-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 5%, var(--color-accent) 50%, transparent 95%);
  opacity: 0.6;
}

.data-hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.data-hero__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.data-hero__icon {
  font-size: 1.3em;
  filter: drop-shadow(0 0 12px var(--color-accent-glow));
  animation: dataIconPulse 3s ease-in-out infinite;
}

@keyframes dataIconPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 12px var(--color-accent-glow)); }
  50% { transform: scale(1.08); filter: drop-shadow(0 0 24px var(--color-accent-glow)); }
}

.data-hero__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  letter-spacing: 0.05em;
  margin-bottom: 0;
}

.data-hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.data-hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(0, 255, 65, 0.04);
  border: 1px solid rgba(0, 255, 65, 0.12);
  border-radius: var(--radius-md);
}

.data-hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
  text-shadow: 0 0 12px var(--color-accent-glow);
}

.data-hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== 功能模块Tab导航（军事风） ===== */
.data-tabs {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.data-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  border-right: 1px solid var(--color-border);
  background: transparent;
  transition: all var(--transition-base);
  position: relative;
}

.data-tab:last-child {
  border-right: none;
}

.data-tab::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.data-tab:hover {
  color: var(--color-text-primary);
  background: rgba(0, 255, 65, 0.04);
}

.data-tab.active {
  color: var(--color-accent);
  background: rgba(0, 255, 65, 0.08);
}

.data-tab.active::before {
  transform: scaleX(1);
  box-shadow: 0 -2px 12px var(--color-accent-glow);
}

.data-tab__icon {
  font-size: 1.4em;
  line-height: 1;
}

.data-tab__label {
  font-size: var(--text-xs);
  white-space: nowrap;
}

/* ===== 面板容器 ===== */
.data-panel {
  display: none;
  animation: panelFadeIn 0.4s ease-out;
}

.data-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.data-panel__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.data-panel__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.data-panel__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: 0;
}

/* ===== TTK排行榜 ===== */
.ttk-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.ttk-toolbar__filters {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.ttk-filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ttk-filter-group__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  font-weight: 600;
}

.ttk-filter-buttons {
  display: flex;
  gap: 2px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.ttk-filter-btn {
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ttk-filter-btn:hover {
  color: var(--color-text-primary);
  background: rgba(0, 255, 65, 0.08);
}

.ttk-filter-btn.active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
  box-shadow: inset 0 0 8px rgba(0, 255, 65, 0.15);
}

.ttk-select {
  padding: var(--space-xs) var(--space-md);
  padding-right: 28px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-data);
  font-size: var(--text-xs);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: all var(--transition-fast);
}

.ttk-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-dim);
}

.ttk-toolbar__legend {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.ttk-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.ttk-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.ttk-legend-dot--gold { background: linear-gradient(135deg, #ffd700, #ffaa00); box-shadow: 0 0 8px rgba(255, 215, 0, 0.4); }
.ttk-legend-dot--silver { background: linear-gradient(135deg, #c0c0c0, #a0a0a0); box-shadow: 0 0 6px rgba(192, 192, 192, 0.3); }
.ttk-legend-dot--bronze { background: linear-gradient(135deg, #cd7f32, #a0652a); box-shadow: 0 0 6px rgba(205, 127, 50, 0.3); }

/* TTK表格特殊样式 */
.ttk-table-wrapper { margin-bottom: var(--space-lg); }

.ttk-table {
  font-family: var(--font-data);
}

.ttk-table th {
  position: relative;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.ttk-table th:hover {
  background: rgba(0, 255, 65, 0.08);
}

.ttk-table th.sortable .sort-arrows {
  display: inline-flex;
  flex-direction: column;
  margin-left: var(--space-xs);
  vertical-align: middle;
  line-height: 1;
}

.ttk-table th:not(.sortable) .sort-arrows {
  display: none;
}

.sort-arrow {
  font-size: 8px;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  line-height: 1;
}

.sort-arrow.up { margin-bottom: 1px; }
.sort-arrow.down { margin-top: 1px; }

.ttk-table th.sort-asc .sort-arrow.up,
.ttk-table th.sort-desc .sort-arrow.down {
  color: var(--color-accent);
}

.ttk-table__rank-col {
  width: 60px;
  text-align: center;
}

/* 排名单元格金银铜 */
.ttk-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 900;
  font-size: var(--text-xs);
  font-family: var(--font-display);
}

.ttk-rank--1 {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #1a1a00;
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
}

.ttk-rank--2 {
  background: linear-gradient(135deg, #c0c0c0, #909090);
  color: #1a1a1a;
  box-shadow: 0 0 8px rgba(192, 192, 192, 0.35);
}

.ttk-rank--3 {
  background: linear-gradient(135deg, #cd7f32, #a0652a);
  color: #fff;
  box-shadow: 0 0 8px rgba(205, 127, 50, 0.35);
}

.ttk-rank--default {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.ttk-name-cell {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ttk-name-cell__emoji {
  font-size: 1.3em;
}

.ttk-name-cell__name {
  font-weight: 600;
  color: var(--color-text-primary);
}

.ttk-name-cell__type {
  font-size: 10px;
  color: var(--color-text-muted);
  padding: 1px 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

.ttk-value {
  font-weight: 700;
  color: var(--color-accent);
}

.ttk-value--fast { color: #00ff41; }
.ttk-value--medium { color: var(--color-warning); }
.ttk-value--slow { color: var(--color-danger); }

.ttk-shots-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: var(--text-xs);
  font-weight: 700;
}

.ttk-shots-badge--1 { background: rgba(0, 255, 65, 0.15); color: #00ff41; }
.ttk-shots-badge--2-3 { background: rgba(255, 215, 0, 0.15); color: #ffd700; }
.ttk-shots-badge--4plus { background: rgba(255, 51, 51, 0.15); color: #ff3333; }

/* TTK统计摘要卡片 */
.ttk-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.ttk-summary-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.ttk-summary-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.ttk-summary-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.ttk-summary-card--best::before { background: linear-gradient(90deg, #ffd700, #ffaa00); }
.ttk-summary-card--worst::before { background: linear-gradient(90deg, #ff3333, #ff6666); }
.ttk-summary-card--avg::before { background: linear-gradient(90deg, var(--color-accent), #00cc33); }
.ttk-summary-card--info::before { background: linear-gradient(90deg, var(--color-info), #66d9ff); }

.ttk-summary-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.ttk-summary-card__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
}

.ttk-summary-card__sub {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ===== 伤害计算器 ===== */
.calc-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.calc-input-panel {
  position: sticky;
  top: 80px;
}

.calc-panel-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.calc-form-group {
  margin-bottom: var(--space-lg);
}

.calc-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-label__value {
  font-family: var(--font-data);
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-sm);
}

.calc-select {
  width: 100%;
  padding: var(--space-md);
  padding-right: 36px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: all var(--transition-base);
}

.calc-select:focus {
  border-color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  box-shadow: 0 0 16px var(--color-accent-dim);
}

/* 滑块样式 */
.calc-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-bg-tertiary);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-primary);
  box-shadow: 0 0 10px var(--color-accent-glow), 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: grab;
  transition: all var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 16px var(--color-accent-glow), 0 2px 8px rgba(0, 0, 0, 0.5);
}

.calc-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.1);
}

.calc-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-primary);
  box-shadow: 0 0 10px var(--color-accent-glow);
  cursor: grab;
}

.calc-slider-marks {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-xs);
  font-size: 10px;
  color: var(--color-text-muted);
  font-family: var(--font-data);
}

.param-hint {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  font-style: italic;
}

.calc-calc-btn {
  width: 100%;
  margin-top: var(--space-sm);
}

/* 结果展示区 */
.calc-result-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.calc-result-main {
  background: linear-gradient(135deg, var(--color-bg-secondary), rgba(0, 255, 65, 0.03));
}

.calc-result-main__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.calc-result-big {
  text-align: center;
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.calc-result-big--highlight {
  border-color: var(--color-accent);
  background: rgba(0, 255, 65, 0.06);
  box-shadow: inset 0 0 20px rgba(0, 255, 65, 0.04);
}

.calc-result-big__label {
  display: block;
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.calc-result-big__value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
  text-shadow: 0 0 8px var(--color-accent-glow);
}

.calc-section-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

/* 衰减曲线Canvas */
.calc-decay-chart {
  padding: var(--space-lg);
}

.calc-decay-chart canvas {
  width: 100% !important;
  height: auto !important;
}

/* 对比条形图 */
.calc-compare-bars {
  padding: var(--space-lg);
}

.calc-bars-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.calc-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.calc-bar-label {
  width: 80px;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-family: var(--font-data);
  text-align: right;
  flex-shrink: 0;
}

.calc-bar-track {
  flex: 1;
  height: 22px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.calc-bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--space-sm);
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  min-width: 40px;
}

.calc-bar-fill--noArmor { background: linear-gradient(90deg, #00ff41, #00cc33); }
.calc-bar-fill--level1 { background: linear-gradient(90deg, #00bfff, #0088cc); }
.calc-bar-fill--level2 { background: linear-gradient(90deg, #ffd700, #cc9900); color: #1a1a00; }
.calc-bar-fill--level3 { background: linear-gradient(90deg, #ff8c00, #cc6600); }

/* 公式展示卡片 */
.calc-formula-card {
  padding: var(--space-lg);
}

.calc-formula-content {
  font-family: var(--font-data);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 2;
}

.formula-line {
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
}

.formula-line--sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-left-color: var(--color-info);
  opacity: 0.8;
}

/* ===== 弹道模拟器 ===== */
.ballistics-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-lg);
  align-items: start;
}

.ballistics-canvas-wrap {
  position: relative;
  background: #080f0c;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ballistics-canvas {
  display: block;
  width: 100%;
  height: 520px;
  cursor: crosshair;
}

.ballistics-overlay-info {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(10, 15, 13, 0.9);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--color-accent);
  pointer-events: none;
  z-index: 2;
}

.ballistics-control-panel {
  position: sticky;
  top: 80px;
}

.ballistics-slider {
  --thumb-color: #00ff41;
}

.ballistics-slider::-webkit-slider-thumb {
  background: var(--thumb-color, var(--color-accent));
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
}

.ballistics-btn-group {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.ballistics-btn-group .btn {
  flex: 1;
  font-size: var(--text-xs);
  padding: var(--space-sm) var(--space-md);
}

/* 物理数据面板 */
.ballistics-physics-data {
  margin-bottom: var(--space-lg);
}

.physics-data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.physics-data-cell {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}

.physics-data-cell__label {
  display: block;
  font-size: 9px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.physics-data-cell__value {
  font-family: var(--font-data);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-accent);
}

/* 弹道公式展示 */
.ballistics-formula-display {
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

/* ===== 版本对比 ===== */
.version-selector {
  margin-bottom: var(--space-lg);
}

.version-selector__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: block;
}

.version-selector__buttons {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.version-btn {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-data);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.version-btn:hover {
  border-color: var(--color-border-accent);
  color: var(--color-text-primary);
  background: rgba(0, 255, 65, 0.03);
}

.version-btn.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  box-shadow: 0 0 12px var(--color-accent-dim);
}

/* 版本概览卡片 */
.version-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.version-overview-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.version-overview-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.version-overview-card__icon {
  font-size: 2em;
  margin-bottom: var(--space-sm);
}

.version-overview-card__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
}

.version-overview-card__value--buff { color: #00ff41; }
.version-overview-card__value--nerf { color: #ff3333; }
.version-overview-card__value--neutral { color: var(--color-text-muted); }

.version-overview-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 版本变更表格 */
.version-table-wrapper { margin-bottom: var(--space-lg); }

.version-table td {
  font-family: var(--font-data);
  font-size: var(--text-sm);
}

.version-th-old {
  color: var(--color-text-muted);
  text-decoration: line-through;
  opacity: 0.6;
}

/* 变化类型标签 */
.change-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.change-tag--buff {
  background: rgba(0, 255, 65, 0.12);
  color: #00ff41;
  border: 1px solid rgba(0, 255, 65, 0.25);
}

.change-tag--nerf {
  background: rgba(255, 51, 51, 0.12);
  color: #ff3333;
  border: 1px solid rgba(255, 51, 51, 0.25);
}

.change-tag--neutral {
  background: rgba(138, 138, 138, 0.1);
  color: #888;
  border: 1px solid rgba(138, 138, 138, 0.2);
}

.change-tag--new {
  background: rgba(0, 191, 255, 0.12);
  color: #00bfff;
  border: 1px solid rgba(0, 191, 255, 0.25);
}

/* 影响评估 */
.impact-badge {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.impact-badge--major { background: rgba(255, 215, 0, 0.15); color: #ffd700; }
.impact-badge--moderate { background: rgba(0, 191, 255, 0.12); color: #00bfff; }
.impact-badge--minor { background: rgba(138, 138, 138, 0.1); color: #888; }

/* 版本日志 */
.version-changelog {
  padding: var(--space-xl);
}

.changelog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.changelog-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-border);
  transition: all var(--transition-fast);
}

.changelog-item:hover {
  border-left-color: var(--color-accent);
  background: rgba(0, 255, 65, 0.03);
}

.changelog-item--buff { border-left-color: #00ff41; }
.changelog-item--nerf { border-left-color: #ff3333; }
.changelog-item--new { border-left-color: #00bfff; }

.changelog-item__marker {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

.changelog-item--buff .changelog-item__marker { background: rgba(0, 255, 65, 0.15); color: #00ff41; }
.changelog-item--nerf .changelog-item__marker { background: rgba(255, 51, 51, 0.15); color: #ff3333; }
.changelog-item--new .changelog-item__marker { background: rgba(0, 191, 255, 0.15); color: #00bfff; }

.changelog-item__content {
  flex: 1;
}

.changelog-item__title {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.changelog-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== 响应式设计 ===== */

@media (max-width: 1199px) {
  .calc-layout {
    grid-template-columns: 300px 1fr;
  }

  .ballistics-layout {
    grid-template-columns: 1fr 320px;
  }

  .calc-result-main__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-tabs {
    flex-wrap: wrap;
  }

  .data-tab {
    flex: 1 1 calc(50% - 1px);
    min-width: 140px;
  }
}

@media (max-width: 768px) {
  .data-hero {
    padding: calc(64px + var(--space-xl)) 0 var(--space-lg);
  }

  .data-hero__stats {
    gap: var(--space-sm);
  }

  .data-hero__stat {
    padding: var(--space-xs) var(--space-md);
  }

  .data-hero__stat-value {
    font-size: var(--text-xl);
  }

  .data-tabs {
    flex-direction: column;
  }

  .data-tab {
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
  }

  .data-tab:last-child {
    border-bottom: none;
  }

  .data-tab::before {
    left: 0; bottom: 0; right: auto; top: 0;
    width: 3px; height: 100%;
    transform: scaleY(0);
  }

  .data-tab.active::before {
    transform: scaleY(1);
  }

  /* 计算器移动端布局 */
  .calc-layout {
    grid-template-columns: 1fr;
  }

  .calc-input-panel {
    position: static;
  }

  .calc-result-main__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ttk-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .ttk-toolbar__filters {
    flex-direction: column;
    gap: var(--space-md);
  }

  .ttk-toolbar__legend {
    justify-content: center;
  }

  /* 弹道模拟器移动端布局 */
  .ballistics-layout {
    grid-template-columns: 1fr;
  }

  .ballistics-control-panel {
    position: static;
  }

  .ballistics-canvas {
    height: 380px;
  }

  .physics-data-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* 版本对比移动端 */
  .version-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .version-selector__buttons {
    flex-direction: column;
  }

  .ttk-summary-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .data-hero__stats {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .calc-result-main__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .calc-result-big__value {
    font-size: var(--text-xl);
  }

  .calc-bar-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }

  .calc-bar-label {
    text-align: left;
  }

  .ballistics-canvas {
    height: 300px;
  }

  .ballistics-btn-group {
    flex-direction: column;
  }

  .physics-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .version-overview-grid {
    grid-template-columns: 1fr;
  }

  .ttk-summary-grid {
    grid-template-columns: 1fr;
  }

  .ttk-name-cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}