/* ============================================
   计算器 / 工具页 样式
   ============================================ */

/* ===== 峰谷套利模拟器 ===== */
.simulator {
  background: var(--bg-deep);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(6, 182, 212, 0.2);
  position: relative;
  margin-top: 48px;
}
.simulator::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.sim-header {
  background: var(--bg-night);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(6, 182, 212, 0.15);
  position: relative;
  z-index: 1;
}
.sim-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sim-dots {
  display: flex;
  gap: 6px;
}
.sim-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.sim-dots span:nth-child(1) { background: #EF4444; }
.sim-dots span:nth-child(2) { background: #FB923C; }
.sim-dots span:nth-child(3) { background: #10B981; }
.sim-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary-300);
  letter-spacing: 1px;
}
.sim-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.sim-body {
  padding: 32px 24px;
  position: relative;
  z-index: 1;
}

/* 步骤指示 */
.sim-steps {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  align-items: center;
  flex-wrap: wrap;
}
.sim-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}
.sim-step .num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}
.sim-step.active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-primary-300);
  border-color: rgba(6, 182, 212, 0.3);
}
.sim-step.active .num { background: var(--color-primary-500); color: white; }
.sim-step.done {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
}
.sim-step.done .num { background: var(--success); color: white; }
.sim-step-sep {
  width: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

/* 表单面板 */
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.sim-form { display: grid; gap: 20px; }
.sim-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.sim-input-group {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: all var(--transition-base);
}
.sim-input-group:focus-within {
  border-color: var(--color-primary-400);
  background: rgba(15, 23, 42, 0.8);
}
.sim-input-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.sim-input-label .icon { color: var(--color-primary-400); }
.sim-input {
  background: transparent;
  border: none;
  color: white;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  width: 100%;
  padding: 0;
  outline: none;
}
.sim-input::placeholder { color: rgba(255, 255, 255, 0.3); }
.sim-input-suffix {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.sim-select {
  width: 100%;
  background: transparent;
  border: none;
  color: white;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  padding: 0;
  outline: none;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2306B6D4'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  background-size: 18px;
  padding-right: 24px;
}
.sim-select option { background: var(--bg-night); color: white; }

.sim-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.sim-preset {
  padding: 6px 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 100px;
  font-size: 11px;
  color: var(--color-primary-300);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
}
.sim-preset:hover {
  background: var(--color-primary-500);
  color: white;
}

.sim-button {
  margin-top: 16px;
  width: 100%;
  padding: 16px;
  font-size: 15px;
  font-weight: 700;
  background: var(--gradient-energy);
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
}
.sim-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(6, 182, 212, 0.4);
}
.sim-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.sim-button:hover::before { transform: translateX(100%); }

/* 结果展示 */
.sim-results {
  display: grid;
  gap: 20px;
}
.sim-result-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.sim-result-card.featured {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-color: rgba(6, 182, 212, 0.4);
}
.sim-result-card.accent {
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.15) 0%, rgba(251, 146, 60, 0.05) 100%);
  border-color: rgba(251, 146, 60, 0.3);
}
.sim-result-card .label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.sim-result-card .value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: white;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}
.sim-result-card.featured .value { color: var(--color-primary-300); }
.sim-result-card.accent .value { color: var(--accent-500); }
.sim-result-card .value .unit {
  font-size: 18px;
  color: var(--text-muted);
  margin-left: 6px;
  font-weight: 500;
}
.sim-result-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* 充放电策略曲线 */
.sim-chart {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.sim-chart-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}
.sim-chart-title h4 {
  color: white;
  font-size: 14px;
  font-weight: 600;
}
.sim-chart-legend {
  display: flex;
  gap: 16px;
  font-size: 11px;
  color: var(--text-muted);
}
.sim-chart-legend .item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.sim-chart-legend .dot {
  width: 10px; height: 3px;
  border-radius: 2px;
}
.sim-chart svg {
  width: 100%;
  height: 220px;
}

/* 容量配置热力图 */
.heatmap {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px;
  margin-top: 16px;
}
.heatmap th, .heatmap td {
  padding: 8px 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: 4px;
  color: white;
}
.heatmap th { background: rgba(15, 23, 42, 0.6); color: var(--text-muted); font-weight: 500; }
.heatmap th:first-child { background: transparent; }
.heatmap td:first-child { background: rgba(15, 23, 42, 0.6); color: var(--text-muted); }

/* 案例地图 */
.case-map-container {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.3) 100%);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow: hidden;
}
.case-map-svg {
  width: 100%;
  height: 600px;
}
.case-map-dot {
  cursor: pointer;
  transition: all 0.3s ease;
}
.case-map-dot circle.bg {
  transition: all 0.3s ease;
}
.case-map-dot:hover circle.bg {
  r: 14;
  opacity: 0.3;
}
.case-map-dot.active circle.bg {
  fill: var(--color-primary-400) !important;
}
.case-map-tooltip {
  position: absolute;
  background: var(--bg-deep);
  border: 1px solid var(--color-primary-500);
  border-radius: 8px;
  padding: 16px;
  color: white;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -100%);
  transition: opacity 0.2s ease;
  z-index: 100;
  min-width: 240px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.case-map-tooltip.show { opacity: 1; }
.case-map-tooltip h4 { color: white; font-size: 14px; margin-bottom: 8px; }
.case-map-tooltip .meta { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.case-map-tooltip .row { display: flex; justify-content: space-between; font-size: 12px; margin: 4px 0; }
.case-map-tooltip .row strong { color: var(--color-primary-300); }

.case-map-sidebar {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.case-map-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 案例卡片 */
.case-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid #E2E8F0;
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-200);
}
.case-card .cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-soft);
}
.case-card .cover img,
.case-card .cover svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.case-card:hover .cover img,
.case-card:hover .cover svg { transform: scale(1.05); }
.case-card .badge-row {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  gap: 6px;
  z-index: 1;
}
.case-card .body { padding: 20px; }
.case-card .meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.case-card h4 { font-size: 16px; margin-bottom: 12px; line-height: 1.4; }
.case-card .metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed #E2E8F0;
}
.case-card .metric-item { }
.case-card .metric-item .label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.case-card .metric-item .value { font-family: var(--font-display); font-size: 18px; font-weight: 800; color: var(--color-primary-700); }
.case-card .metric-item .value .unit { font-size: 11px; color: var(--text-muted); margin-left: 2px; font-weight: 500; }