:root {
  --primary: #1a7a3c;
  --primary-dark: #145e2d;
  --primary-light: #2ca855;
  --secondary: #f5a623;
  --secondary-dark: #e09015;
  --accent: #0d6efd;
  --danger: #dc3545;
  --warning: #ffc107;
  --success: #198754;
  --dark: #1a2e1a;
  --gray-900: #1c1c1e;
  --gray-800: #2c2c2e;
  --gray-700: #3a3a3c;
  --gray-600: #636366;
  --gray-400: #aeaeb2;
  --gray-200: #e5e5ea;
  --gray-100: #f2f2f7;
  --white: #ffffff;
  --sidebar-width: 260px;
  --header-height: 60px;
  --ticker-height: 44px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.2s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--gray-100);
  color: var(--gray-900);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); outline: none; }
img { max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }