/* style.css - 吕老师理论验证推演平台现代暗色科技风设计 */
:root {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(75, 85, 99, 0.4);
  --border-highlight: #06b6d4;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --color-cyan: #06b6d4;
  --color-teal: #10b981;
  --color-blue: #3b82f6;
  --color-indigo: #6366f1;
  --color-purple: #8b5cf6;
  --color-amber: #f59e0b;
  --color-rose: #f43f5e;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  background-image: 
    radial-gradient(at 10% 20%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
    radial-gradient(at 90% 80%, rgba(99, 102, 241, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* 顶部导航栏 */
.header {
  height: 68px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: linear-gradient(135deg, #06b6d4, #6366f1);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  flex-direction: column;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav-tabs {
  display: flex;
  gap: 8px;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border-color: rgba(6, 182, 212, 0.4);
  font-weight: 600;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-teal);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 0 8px var(--color-teal);
}

/* 主容器 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 通用卡片与玻璃拟态 */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.6rem;
}

.card-title span.tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

/* 理论知识卡片网格 */
.theory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.theory-item {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  transition: all 0.2s ease;
}

.theory-item:hover {
  border-color: var(--color-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.12);
}

.theory-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.theory-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-axiom { background: rgba(99, 102, 241, 0.2); color: var(--color-indigo); border: 1px solid var(--color-indigo); }
.badge-logic { background: rgba(16, 185, 129, 0.2); color: var(--color-teal); border: 1px solid var(--color-teal); }
.badge-agent { background: rgba(245, 158, 11, 0.2); color: var(--color-amber); border: 1px solid var(--color-amber); }
.badge-stage { background: rgba(244, 63, 94, 0.2); color: var(--color-rose); border: 1px solid var(--color-rose); }

.theory-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  text-align: justify;
}

.theory-cs-box {
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--color-cyan);
  padding: 8px 12px;
  border-radius: 0 6px 6px 0;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.theory-cs-box strong {
  color: var(--color-cyan);
}

/* 实验对照区 */
.experiment-selector {
  display: flex;
  gap: 12px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.exp-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.exp-tab-btn:hover {
  background: var(--bg-card-hover);
  color: #fff;
}

.exp-tab-btn.active {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
  border-color: var(--color-cyan);
  color: #fff;
  font-weight: 600;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-box {
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.kpi-value-group {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 4px;
}

.kpi-val-a {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-rose);
  font-family: var(--font-mono);
}

.kpi-val-b {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-teal);
  font-family: var(--font-mono);
}

.kpi-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 992px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
}

.chart-container {
  height: 340px;
  width: 100%;
}

.insight-banner {
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.1), rgba(99, 102, 241, 0.1));
  border-left: 4px solid var(--color-cyan);
  padding: 1.2rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.insight-banner h4 {
  color: var(--color-cyan);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 微观智能体检查器 */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}

.agent-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.agent-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.ledger-section {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
}

.ledger-title {
  color: var(--color-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.ledger-title.physical {
  color: var(--color-teal);
}

.ledger-title.cognitive {
  color: var(--color-purple);
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3px;
  font-size: 0.8rem;
}

.ledger-key { color: var(--text-muted); }
.ledger-val { color: #fff; }

/* 自定义推演沙盘表单 */
.sandbox-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.control-label span.val-display {
  color: var(--color-cyan);
  font-weight: 700;
  font-family: var(--font-mono);
}

input[type="range"] {
  accent-color: var(--color-cyan);
}

select {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan), var(--color-blue));
  border: none;
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.4);
}