/* CSS Variables for theming */
:root {
  --background: 0 0% 100%;
  --foreground: 222.2 84% 4.9%;
  --card: 0 0% 100%;
  --card-foreground: 222.2 84% 4.9%;
  --popover: 0 0% 100%;
  --popover-foreground: 222.2 84% 4.9%;
  --primary: 221.2 83.2% 53.3%;
  --primary-foreground: 210 40% 98%;
  --secondary: 210 40% 96%;
  --secondary-foreground: 222.2 84% 4.9%;
  --muted: 210 40% 96%;
  --muted-foreground: 215.4 16.3% 46.9%;
  --accent: 210 40% 96%;
  --accent-foreground: 222.2 84% 4.9%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 210 40% 98%;
  --border: 214.3 31.8% 91.4%;
  --input: 214.3 31.8% 91.4%;
  --ring: 221.2 83.2% 53.3%;
  --radius: 0.5rem;
  --success: 142.1 76.2% 36.3%;
  --warning: 47.9 95.8% 53.1%;
}

[data-theme="dark"] {
  --background: 222.2 84% 4.9%;
  --foreground: 210 40% 98%;
  --card: 222.2 84% 4.9%;
  --card-foreground: 210 40% 98%;
  --popover: 222.2 84% 4.9%;
  --popover-foreground: 210 40% 98%;
  --primary: 217.2 91.2% 59.8%;
  --primary-foreground: 222.2 84% 4.9%;
  --secondary: 217.2 32.6% 17.5%;
  --secondary-foreground: 210 40% 98%;
  --muted: 217.2 32.6% 17.5%;
  --muted-foreground: 215 20.2% 65.1%;
  --accent: 217.2 32.6% 17.5%;
  --accent-foreground: 210 40% 98%;
  --destructive: 0 62.8% 30.6%;
  --destructive-foreground: 210 40% 98%;
  --border: 217.2 32.6% 17.5%;
  --input: 217.2 32.6% 17.5%;
  --ring: 224.3 76.3% 94.1%;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* App Layout */
.app-container {
  display: grid;
  grid-template-areas: 
    "header header"
    "sidebar main";
  grid-template-columns: 280px 1fr;
  grid-template-rows: 64px 1fr;
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar collapsed state */
.app-container.sidebar-collapsed {
  grid-template-columns: 70px 1fr;
}

/* Header */
.header {
  grid-area: header;
  background-color: hsl(var(--card));
  border-bottom: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 50;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 24px;
}

.app-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin: 0;
  line-height: 1.2;
  transition: all 0.3s ease;
}

.logo-subtitle {
  font-size: 12px;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.company-ticker {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-toggle {
  display: flex;
  background-color: hsl(var(--muted));
  border-radius: var(--radius);
  padding: 2px;
}

.lang-btn {
  background: none;
  border: none;
  padding: 6px 12px;
  border-radius: calc(var(--radius) - 2px);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  color: hsl(var(--muted-foreground));
}

.lang-btn.active {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

.theme-btn {
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  color: hsl(var(--muted-foreground));
}

.theme-btn:hover {
  background-color: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background-color: hsl(var(--card));
  border-right: 1px solid hsl(var(--border));
  padding: 24px 0;
  overflow-y: auto;
}

.nav-header {
  padding: 0 24px 16px;
  border-bottom: 1px solid hsl(var(--border));
  margin-bottom: 16px;
}

.nav-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-menu {
  list-style: none;
}

/* Navigation Styles */
.nav-item {
    display: block;
    padding: 12px 24px;
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 4px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: hsl(var(--foreground));
    background-color: hsl(var(--muted) / 0.5);
    border-left-color: hsl(var(--primary) / 0.5);
}

.nav-item.active {
    color: hsl(var(--primary));
    background-color: hsl(var(--primary) / 0.1);
    border-left-color: hsl(var(--primary));
    font-weight: 600;
}

/* Main Content */
.main-content {
  grid-area: main;
  overflow-y: auto;
  background-color: hsl(var(--background));
}

.content-wrapper {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Company Header */
.company-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  padding: 24px;
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
}

.company-info h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: hsl(var(--foreground));
}

.company-details {
  display: flex;
  gap: 16px;
  align-items: center;
}

.ticker {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
}

.sector {
  color: hsl(var(--muted-foreground));
  font-size: 14px;
}

.market-cap {
  color: hsl(var(--muted-foreground));
  font-size: 14px;
}

.stock-price {
  text-align: right;
}

.price {
  font-size: 32px;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.change {
  font-size: 16px;
  font-weight: 600;
  margin-top: 4px;
}

.change.positive {
  color: hsl(var(--success));
}

.change.negative {
  color: hsl(var(--destructive));
}

.last-updated {
  font-size: 12px;
  color: hsl(var(--muted-foreground));
  margin-top: 4px;
}

/* Content Sections */
.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: hsl(var(--foreground));
}

/* Recommendation Badge */
.recommendation-badge {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recommendation-badge.buy {
  background-color: hsl(var(--success) / 0.1);
  color: hsl(var(--success));
  border: 1px solid hsl(var(--success) / 0.2);
}

.recommendation-badge.sell {
  background-color: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
  border: 1px solid hsl(var(--destructive) / 0.2);
}

.recommendation-badge.hold {
  background-color: hsl(var(--warning) / 0.1);
  color: hsl(var(--warning));
  border: 1px solid hsl(var(--warning) / 0.2);
}

/* Mobile responsive - hide sidebar completely */
@media (max-width: 1024px) {
  .app-container.sidebar-collapsed {
    grid-template-columns: 0 1fr;
  }
}

/* Chat sidebar adjustments */
.app-container.chat-open {
  grid-template-columns: 280px 2fr 1fr;
  grid-template-areas: 
    "header header header"
    "sidebar main chat";
}

.app-container.sidebar-collapsed.chat-open {
  grid-template-columns: 70px 2fr 1fr;
}

@media (max-width: 1024px) {
  .app-container.sidebar-collapsed.chat-open {
    grid-template-columns: 0 2fr 1fr;
  }
}

@media (max-width: 768px) {
  .content-wrapper {
    padding: 16px;
  }
  
  .company-header {
    padding: 16px;
  }
  
  .company-info h1 {
    font-size: 24px;
  }
  
  .price {
    font-size: 28px;
  }
  
  .company-details {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .logo-section {
    gap: 16px;
  }
  
  .logo {
    font-size: 16px;
  }
  
  .logo-subtitle {
    font-size: 10px;
  }
  
  .app-container.chat-open {
    grid-template-columns: 280px 3fr 2fr;
    grid-template-areas: 
      "header header header"
      "sidebar main chat";
  }
  
  .app-container.sidebar-collapsed.chat-open {
    grid-template-columns: 0 3fr 2fr;
  }
}

@media (max-width: 480px) {
  .app-container.chat-open {
    grid-template-columns: 280px 1fr;
    grid-template-areas: 
      "header header"
      "sidebar main";
  }
  
  .app-container.sidebar-collapsed.chat-open {
    grid-template-columns: 0 1fr;
  }
}