/**
 * Minimal Color Scheme for MACA Day Trading
 * Professional trading platform aesthetic with reduced colors
 */

:root {
  /* Core Colors - Reduced Palette */
  --bg-primary: #0a0e1a;        /* Dark blue-black background */
  --bg-secondary: #141824;      /* Slightly lighter background */
  --bg-card: #1a1f2e;           /* Card background */
  
  --text-primary: #e8eaed;      /* Main text */
  --text-secondary: #9ca3af;    /* Secondary text */
  --text-muted: #6b7280;        /* Muted text */
  
  --border-default: #2d3748;    /* Default borders */
  --border-light: #374151;      /* Light borders */
  
  /* Accent Colors - Minimal */
  --accent-blue: #3b82f6;       /* Primary blue */
  --accent-green: #10b981;      /* Success/buy green */
  --accent-red: #ef4444;        /* Error/sell red */
  --accent-yellow: #f59e0b;     /* Warning yellow */
  
  /* Hover States */
  --hover-bg: rgba(59, 130, 246, 0.1);
  --hover-border: #3b82f6;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Card Styles */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1rem;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--border-light);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:hover {
  border-color: var(--hover-border);
  background: rgba(59, 130, 246, 0.05);
}

/* Typography */
.text-primary {
  color: var(--text-primary);
}

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

.text-muted {
  color: var(--text-muted);
}

.text-success {
  color: var(--accent-green);
}

.text-danger {
  color: var(--accent-red);
}

.text-warning {
  color: var(--accent-yellow);
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-default);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-primary:hover {
  background: #2563eb;
  border-color: #2563eb;
}

.btn-success {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: white;
}

.btn-danger {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: white;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-yellow);
  border: 1px solid var(--accent-yellow);
}

.badge-info {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

/* Market Data Cards */
.market-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.2s;
}

.market-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

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

.market-symbol {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.market-change {
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

.market-change.positive {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
}

.market-change.negative {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

.market-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.market-delta {
  font-size: 0.875rem;
}

/* Session Info */
.session-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--accent-red);
}

.session-live::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-red);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* News Feed */
.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}

.news-item:hover {
  border-color: var(--border-light);
}

.news-header {
  display: flex;
  justify-content: between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.news-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.news-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.news-content {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

/* Sentiment Gauge */
.sentiment-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.sentiment-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-red) 0%, var(--accent-yellow) 50%, var(--accent-green) 100%);
  transition: width 0.3s;
}

/* Trend Indicators */
.trend-up {
  color: var(--accent-green);
}

.trend-down {
  color: var(--accent-red);
}

.trend-neutral {
  color: var(--accent-yellow);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--bg-secondary);
  padding: 0.75rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-default);
}

.data-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.data-table tr:hover {
  background: var(--hover-bg);
}

/* Input Fields */
.input {
  width: 100%;
  padding: 0.625rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
}

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

.input::placeholder {
  color: var(--text-muted);
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border-default);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-zone:hover {
  border-color: var(--accent-blue);
  background: var(--hover-bg);
}

.upload-zone.active {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.1);
}

/* Loading States */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Utility Classes */
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.rounded { border-radius: 6px; }
.rounded-lg { border-radius: 8px; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Responsive */
@media (max-width: 768px) {
  .grid-cols-2, .grid-cols-3 {
    grid-template-columns: 1fr;
  }
}