:root {
  --bg-color: #F0F1F5;
  --primary: #f47108; /* Keeping brand primary */
  --text: #1A1A2E;
  --text-secondary: #6B7280;
  --card-bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface2: #ECECF0;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --shadow-soft: 0 1px 8px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-hover: 0 2px 12px rgba(0,0,0,.1);
  --transition: all 0.24s ease;
  --border-color: rgba(0,0,0,.08);
}

/* ── Dark Mode ── */
body.dark {
  --bg-color: #0A0A0A;
  --card-bg: #181818;
  --surface: #181818;
  --surface2: #252525;
  --text: #F2F2F2;
  --text-secondary: #7A7A7A;
  --border-color: rgba(255,255,255,.09);
  --shadow-soft: 0 2px 16px rgba(0,0,0,.55), 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover: 0 4px 20px rgba(0,0,0,.7);
}

body.dark .bottom-nav,
body.dark .sidebar,
body.dark .header {
  border-color: rgba(255,255,255,.09);
}

body.dark .sidebar-nav .nav-item:hover,
body.dark .sidebar-nav .nav-item.active {
  background: #252525;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.16);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  transition: background-color 0.25s ease, color 0.25s ease;
}

a {
  text-decoration: none;
  color: inherit;
}