/* ═══ Base ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
  -webkit-font-smoothing: antialiased; min-height: 100vh;
}
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: 2rem; } h2 { font-size: 1.5rem; } h3 { font-size: 1.25rem; } h4 { font-size: 1rem; }
code, pre, .mono { font-family: 'JetBrains Mono', 'Courier New', monospace; font-size: 0.92em; }
a { color: var(--primary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button { cursor: pointer; border: none; background: none; color: inherit; }

.hidden { display: none !important; }
.mono { font-family: 'JetBrains Mono', monospace; }
.text-up { color: var(--up); } .text-down { color: var(--down); }
.text-muted { color: var(--text-muted); } .text-center { text-align: center; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm { gap: 0.5rem; } .gap-md { gap: 1rem; } .gap-lg { gap: 1.5rem; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

.boot-loader {
  position: fixed; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem; background: var(--bg);
}
.spinner {
  width: 40px; height: 40px; border: 3px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease-out; }