/* Day Trade Tracker — Main Design System CSS */

:root {
  --bg-primary: #0B0F17;
  --bg-secondary: #131A29;
  --bg-card: rgba(22, 31, 48, 0.7);
  --bg-card-hover: rgba(30, 42, 64, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.3);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --color-green: #10B981;
  --color-green-bg: rgba(16, 185, 129, 0.12);
  --color-red: #EF4444;
  --color-red-bg: rgba(239, 68, 68, 0.12);
  --color-yellow: #F59E0B;
  --color-yellow-bg: rgba(245, 158, 11, 0.12);
  --color-accent: #6366F1;
  --color-accent-bg: rgba(99, 102, 241, 0.12);

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px;
}

header {
  margin-bottom: 24px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}