/* TradingView-inspired color scheme and design */
:root {
  --tv-bg-primary: #131722;
  --tv-bg-secondary: #1e222d;
  --tv-bg-tertiary: #2a2e39;
  --tv-border: #363a45;
  --tv-text-primary: #d1d4dc;
  --tv-text-secondary: #787b86;
  --tv-text-tertiary: #555961;
  --tv-blue: #2962ff;
  --tv-blue-hover: #1e53e5;
  --tv-green: #089981;
  --tv-red: #f23645;
  --tv-orange: #ff9800;
  --tv-purple: #9c27b0;
  --tv-chart-grid: #2a2e39;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Trebuchet MS', Roboto, Ubuntu, sans-serif;
  background: var(--tv-bg-primary);
  color: var(--tv-text-primary);
  font-size: 13px;
  line-height: 1.5;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  background: var(--tv-bg-secondary);
  border-bottom: 1px solid var(--tv-border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--tv-text-primary);
}

.brand-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--tv-blue) 0%, var(--tv-purple) 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge {
  background: rgba(41, 98, 255, 0.1);
  color: var(--tv-blue);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary {
  background: var(--tv-blue);
  color: white;
}

.btn-primary:hover {
  background: var(--tv-blue-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Container */
.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

/* Top Picks Card - TradingView style */
.top-picks-card {
  background: var(--tv-bg-secondary);
  border: 1px solid var(--tv-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.top-picks-header {
  margin-bottom: 16px;
}

.top-picks-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--tv-text-primary);
  margin-bottom: 6px;
}

.top-picks-meta {
  font-size: 12px;
  color: var(--tv-text-secondary);
}

.top-picks-tabs {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.top-picks-tab {
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid var(--tv-border) !important;
  padding: 12px 16px !important;
  color: var(--tv-text-secondary) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  cursor: pointer;
  transition: all 0.2s;
}

.top-picks-tab:hover {
  background: rgba(255, 255, 255, 0.02) !important;
  color: var(--tv-text-primary) !important;
}

.top-picks-tab--selected {
  background: rgba(41, 98, 255, 0.08) !important;
  color: var(--tv-blue) !important;
  border-left: 3px solid var(--tv-blue) !important;
}

.pick-chip {
  display: inline-flex;
  align-items: center;
  background: var(--tv-bg-tertiary);
  color: var(--tv-text-primary);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--tv-border);
  transition: all 0.2s;
  cursor: pointer;
}

.pick-chip:hover {
  background: var(--tv-bg-primary);
  border-color: var(--tv-blue);
  color: var(--tv-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(41, 98, 255, 0.2);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--tv-bg-secondary) 0%, var(--tv-bg-tertiary) 100%);
  border: 1px solid var(--tv-border);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  margin: 0 0 8px 0;
  font-size: 28px;
  font-weight: 600;
  color: var(--tv-text-primary);
}

.hero p {
  margin: 0 0 24px 0;
  font-size: 14px;
  color: var(--tv-text-secondary);
}

.controls-card {
  background: var(--tv-bg-primary);
  border: 1px solid var(--tv-border);
  border-radius: 6px;
  padding: 20px;
}

.controls-row {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--tv-text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input {
  background: var(--tv-bg-secondary);
  border: 1px solid var(--tv-border);
  color: var(--tv-text-primary);
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 13px;
  width: 150px;
  font-family: inherit;
  transition: all 0.2s;
}

.input:focus {
  outline: none;
  border-color: var(--tv-blue);
  background: var(--tv-bg-tertiary);
}

.input:hover {
  border-color: var(--tv-text-tertiary);
}

.status {
  padding: 10px 16px;
  background: rgba(8, 153, 129, 0.1);
  color: var(--tv-green);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

/* Card */
.card {
  background: var(--tv-bg-secondary);
  border: 1px solid var(--tv-border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.card h2 {
  margin: 0 0 20px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--tv-text-primary);
}

/* Custom Tabs */
.custom-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--tv-border);
  margin-bottom: 20px;
}

.custom-tab {
  background: transparent !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  padding: 12px 20px !important;
  color: var(--tv-text-secondary) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.custom-tab:hover {
  color: var(--tv-text-primary) !important;
  background: rgba(255, 255, 255, 0.02) !important;
}

.custom-tab--selected {
  color: var(--tv-blue) !important;
  border-bottom-color: var(--tv-blue) !important;
}

/* Benchmark Chips */
.flex {
  display: flex;
}

.gap-16 {
  gap: 16px;
}

.flex-center {
  justify-content: center;
  flex-wrap: wrap;
}

.chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 28px;
  border-radius: 8px;
  border: 1px solid var(--tv-border);
  background: var(--tv-bg-tertiary);
  min-width: 120px;
  transition: all 0.2s;
}

.chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.chip.success {
  border-color: var(--tv-green);
  background: rgba(8, 153, 129, 0.1);
}

.chip.danger {
  border-color: var(--tv-red);
  background: rgba(242, 54, 69, 0.1);
}

.chip strong {
  font-size: 12px;
  color: var(--tv-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chip span {
  font-size: 20px;
  font-weight: 600;
}

.chip.success span {
  color: var(--tv-green);
}

.chip.danger span {
  color: var(--tv-red);
}

/* Table Styles */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 6px;
  overflow: hidden;
}

table thead {
  background: var(--tv-bg-primary);
}

table th {
  text-align: center;
  padding: 12px 16px;
  color: var(--tv-text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--tv-border);
}

table tbody tr {
  transition: background 0.2s;
}

table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

table td {
  text-align: center;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--tv-text-primary);
  border-bottom: 1px solid var(--tv-border);
}

table tbody tr:last-child td {
  border-bottom: none;
}

/* Chatbot */
#site-chatbot {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
}

#chatbot-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--tv-blue);
  color: white;
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(41, 98, 255, 0.4);
  transition: all 0.3s;
}

#chatbot-toggle:hover {
  background: var(--tv-blue-hover);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(41, 98, 255, 0.5);
}

#chatbot-panel {
  display: none;
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 380px;
  height: 500px;
  background: var(--tv-bg-secondary);
  border: 1px solid var(--tv-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  flex-direction: column;
  overflow: hidden;
}

#chatbot-panel[style*="display: flex"] {
  display: flex !important;
}

#chatbot-header {
  background: var(--tv-bg-primary);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--tv-border);
}

#chatbot-header strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--tv-text-primary);
}

#chatbot-close {
  background: none;
  border: none;
  color: var(--tv-text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
}

#chatbot-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--tv-text-primary);
}

#chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

#chatbot-messages::-webkit-scrollbar-track {
  background: var(--tv-bg-primary);
}

#chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--tv-border);
  border-radius: 3px;
}

#chatbot-form {
  padding: 16px;
  background: var(--tv-bg-primary);
  border-top: 1px solid var(--tv-border);
  display: flex;
  gap: 8px;
}

#chatbot-input {
  flex: 1;
  background: var(--tv-bg-secondary);
  border: 1px solid var(--tv-border);
  color: var(--tv-text-primary);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}

#chatbot-input:focus {
  outline: none;
  border-color: var(--tv-blue);
}

#chatbot-form button {
  background: var(--tv-blue);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

#chatbot-form button:hover {
  background: var(--tv-blue-hover);
}

.chat-message {
  padding: 10px 14px;
  border-radius: 8px;
  max-width: 85%;
  font-size: 13px;
  line-height: 1.5;
}

.chat-message.user {
  background: var(--tv-blue);
  color: white;
  align-self: flex-end;
  margin-left: auto;
}

.chat-message.assistant {
  background: var(--tv-bg-tertiary);
  color: var(--tv-text-primary);
  align-self: flex-start;
  border: 1px solid var(--tv-border);
}

/* Loading Spinner */
._dash-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

._dash-loading::after {
  content: "";
  width: 32px;
  height: 32px;
  border: 3px solid var(--tv-border);
  border-top-color: var(--tv-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    padding: 0 16px;
  }
  
  .container {
    padding: 16px;
  }
  
  .hero {
    padding: 24px;
  }
  
  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .input {
    width: 100%;
  }
  
  #chatbot-panel {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 80px;
  }
  
  .custom-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}

/* Plotly customization */
.js-plotly-plot .plotly .modebar {
  background: var(--tv-bg-tertiary) !important;
  border-radius: 4px;
}

.js-plotly-plot .plotly .modebar-btn path {
  fill: var(--tv-text-secondary) !important;
}

.js-plotly-plot .plotly .modebar-btn:hover path {
  fill: var(--tv-text-primary) !important;
}

.js-plotly-plot .plotly .modebar-btn.active path {
  fill: var(--tv-blue) !important;
}

#chatbot-send {
    min-height: 44px;  /* iOS touch target minimum */
    min-width: 44px;
}

#chatbot-input {
    min-height: 44px;
    font-size: 16px;  /* Prevents iOS zoom on focus */
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));  /* Smaller min */
    gap: 1rem;  /* Reduce gap on mobile */
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;  /* Single column on small screens */
    }
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
    padding: 8px 16px;
    background: rgba(88, 166, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(88, 166, 255, 0.2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #58a6ff;
}

.user-name {
    color: #e6edf3;
    font-size: 14px;
    font-weight: 500;
}

.logout-btn {
    padding: 6px 12px;
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}

.logout-btn:hover {
    background: rgba(231, 76, 60, 0.2);
    border-color: #e74c3c;
}

@media (max-width: 768px) {
    .user-profile {
        padding: 6px 10px;
    }
    .user-name {
        display: none;
    }
    .user-avatar {
        width: 28px;
        height: 28px;
    }
}