/* Dashboard CSS */
:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --success-color: #10b981;
  --table-header-bg: #0f172a;
  --table-row-hover: #334155;
  --scrollbar-thumb: #334155;
  --scrollbar-track: #0f172a;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 16px;
  gap: 16px;
  box-sizing: border-box;
}

/* Header */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px;
  flex: 0 0 auto;
}

.dashboard-title {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
  text-decoration: none;
}

.home-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s;
}

.home-link:hover {
    color: var(--text-primary);
}

/* Controls */
.controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-primary {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
  font-size: 14px;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(0.5);
}

/* Layout */
.main-content {
  display: flex;
  flex: 1;
  gap: 16px;
  min-height: 0;
}

.left-panel {
  flex: 3;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.right-panel {
  flex: 2;
  display: flex;
  flex-direction: column;
  background-color: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 20px;
  min-width: 0;
}

/* Station List & Trends */
.station-list {
  flex: 3;
  min-height: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.trend-section {
  flex: 2;
  min-height: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.station-list-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--card-border);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background-color: rgba(15, 23, 42, 0.5);
}

.station-table-container {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.station-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.station-table th {
  background-color: var(--table-header-bg);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--card-border);
  text-align: center;
}

.station-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-primary);
  text-align: center;
}

.station-table tbody tr:hover td {
  background-color: var(--table-row-hover);
}

/* Chart */
#chart {
  flex: 1;
  min-height: 300px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  box-sizing: border-box;
}

/* AI Analysis */
.ai-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 18px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.ai-box {
  flex: 1;
  background-color: #243347;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  padding: 16px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.7;
  color: #cbd5e1;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Markdown & LaTeX Rendering */
.markdown-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    word-wrap: break-word;
    color: #cbd5e1;
    background-color: transparent !important;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, 
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.markdown-body h1 { font-size: 1.8em; border-bottom: 1px solid var(--card-border); padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.4em; border-bottom: 1px solid var(--card-border); padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.2em; }

.markdown-body p { margin-top: 0; margin-bottom: 16px; background-color: transparent !important; }

.markdown-body ul, .markdown-body ol {
    padding-left: 2em;
    margin-top: 0;
    margin-bottom: 16px;
    background-color: transparent !important;
}

.markdown-body li { margin: 0.25em 0; background-color: transparent !important; }

.markdown-body strong { font-weight: 600; color: #fff !important; background-color: transparent !important; }

.markdown-body blockquote {
    padding: 0 1em;
    color: #94a3b8;
    border-left: 0.25em solid #3b82f6;
    margin: 0 0 16px 0;
    background-color: transparent !important;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(59, 130, 246, 0.1) !important;
    border-radius: 6px;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

/* Markdown Table Styles */
.markdown-body table {
    display: block;
    width: 100%;
    width: max-content;
    max-width: 100%;
    overflow: auto;
    border-spacing: 0;
    border-collapse: collapse;
    margin-top: 0;
    margin-bottom: 16px;
    background-color: transparent !important;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid var(--card-border);
}

.markdown-body table th {
    font-weight: 600;
    background-color: #334155 !important;
}

.markdown-body table tr {
    background-color: transparent !important;
    border-top: 1px solid var(--card-border);
}

.markdown-body table tr:nth-child(2n) {
    background-color: rgba(51, 65, 85, 0.3) !important;
}

/* LaTeX Styles */
.katex-block {
    margin: 1em 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 0;
}

.katex {
    font-size: 1.1em !important;
}

/* Animations */
.loading-dots::after {
  content: '.';
  animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60% { content: '...'; }
  80% { content: '....'; }
  100% { content: '.....'; }
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }