@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #3b82f6;
  --background-color: #000000;
  --card-background: #0f172a;
  --text-color: #f9fafb;
  --text-secondary: #94a3b8;
  --border-color: #1e293b;
  --tooltip-bg: rgba(17, 24, 39, 0.95);
  --panel-bg: rgba(15, 23, 42, 0.4);
  --link-color: rgba(255, 255, 255, 0.2);
  --link-hover-color: rgba(255, 255, 255, 0.7);
  --card-bg-rgb: 15, 23, 42;
}

:root[data-theme="light"] {
  --primary-color: #3b82f6;
  --background-color: #ffffff;
  --card-background: #ffffff;
  --text-color: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --tooltip-bg: rgba(255, 255, 255, 0.95);
  --panel-bg: rgba(255, 255, 255, 0.4);
  --link-color: rgba(0, 0, 0, 0.2);
  --link-hover-color: rgba(0, 0, 0, 0.7);
  --card-bg-rgb: 255, 255, 255;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
}

/* 只在深色模式下显示背景图片，作为星空的背景层 */
:root:not([data-theme="light"]) body {
  background: radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%);
}

.font-geist-mono {
  font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'DejaVu Sans Mono', Menlo, Consolas, monospace;
}

.graph-container {
  position: relative;
  overflow: hidden;
  background: transparent;
}

#graph {
  width: 100%;
  height: 100%;
}

.sector-panel, .selected-info, .legend {
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}

.sector-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#tooltip {
  pointer-events: none;
  transition: opacity 0.2s ease;
  background: var(--tooltip-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  color: var(--text-color);
}

.node-energy { fill: #ec4899; }
.node-nev { fill: #3b82f6; }
.node-ai { fill: #22c55e; }
.node-robotics { fill: #eab308; }
.node-chip { fill: #ef4444; }

.node {
  stroke: #000;
  stroke-width: 1px;
  transition: all 0.3s ease;
}

.node:hover {
  stroke: white;
  stroke-width: 2px;
}

.node.selected {
  stroke: white;
  stroke-width: 3px;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5));
}

.link {
  stroke: var(--link-color);
  transition: stroke 0.3s ease;
}

.link:hover, .link.highlighted {
  stroke: var(--link-hover-color);
}

/* 添加光点样式 */
.glow-point {
  fill: #ffffff;
  mix-blend-mode: screen;
}

.sector-item {
  cursor: pointer;
  transition: all 0.2s ease;
}

.sector-item:hover {
  opacity: 0.8;
}

.node-label {
  font-size: 10px;
  fill: var(--text-color);
  text-anchor: middle;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 浅色模式下的阴影效果 */
:root[data-theme="light"] .sector-panel,
:root[data-theme="light"] .selected-info,
:root[data-theme="light"] .legend {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] #tooltip {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.theme-control-btn {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.theme-control-btn:hover {
  background-color: var(--border-color);
}

/* 文本颜色 */
.text-gray-400 {
  color: var(--text-secondary);
}

.text-gray-500 {
  color: var(--text-secondary);
}

/* 面板样式 */
.sector-panel, .selected-info, .legend {
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}

#selected-content {
  color: var(--text-secondary);
}

.stock-code {
  color: var(--text-secondary);
}

.company-desc {
  color: var(--text-secondary);
}

#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.8;
}

#starfield-toggle {
  position: relative;
  overflow: hidden;
}

#starfield-toggle.active {
  background-color: var(--primary-color);
  color: white;
}

#starfield-toggle.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.2;
  }
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

.celestial-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.celestial-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 60%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.celestial-panel:hover::before {
  opacity: 1;
}

/* 滚动条样式 */
.selected-info {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
}

.selected-info::-webkit-scrollbar {
  width: 6px;
}

.selected-info::-webkit-scrollbar-track {
  background: transparent;
}

.selected-info::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 3px;
}

/* 详细信息面板中的卡片样式 */
.selected-info .info-card {
  background: rgba(var(--card-bg-rgb), 0.3);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 添加鼠标跟随效果的 JavaScript */
document.addEventListener('DOMContentLoaded', () => {
  const panels = document.querySelectorAll('.celestial-panel');
  
  panels.forEach(panel => {
    panel.addEventListener('mousemove', (e) => {
      const rect = panel.getBoundingClientRect();
      const x = ((e.clientX - rect.left) / rect.width) * 100;
      const y = ((e.clientY - rect.top) / rect.height) * 100;
      
      panel.style.setProperty('--mouse-x', `${x}%`);
      panel.style.setProperty('--mouse-y', `${y}%`);
    });
  });
});