:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface2: #18181f;
  --border: #2a2a35;
  --text: #f0f0f5;
  --muted: #888898;
  --accent: #c57a30;
  --accent-hover: #d98a3a;
  --accent-light: rgba(197,122,48,0.12);
  --green: #4ade80;
  --green-bg: rgba(74,222,128,0.1);
  --yellow: #fbbf24;
  --yellow-bg: rgba(251,191,36,0.1);
  --red: #f87171;
  --red-bg: rgba(248,113,113,0.1);
  --muted-bg: rgba(136,136,152,0.1);
  --header-bg: #0a0a0f;
}

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

html, body {
  margin: 0 !important;
  padding: 0 !important;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app-root {
  position: fixed !important;
  inset: 0 !important;
  z-index: 9000 !important;
  background: var(--bg) !important;
  overflow-y: auto !important;
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
}

header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 40px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1700px;
  margin: 0 auto;
  height: 60px;
}

.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.header-right { display: flex; align-items: center; gap: 10px; }

.btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.15); }
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-light { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-light:hover { border-color: var(--accent); color: var(--accent); }

main { padding: 28px 40px; max-width: 1700px; margin: 0 auto; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 0 0 2px 2px;
}
.stat-card:nth-child(1)::after { background: var(--accent); }
.stat-card:nth-child(2)::after { background: var(--green); }
.stat-card:nth-child(3)::after { background: #6366f1; }
.stat-card:nth-child(4)::after { background: var(--yellow); }
.stat-card:nth-child(5)::after { background: #06b6d4; }

.stat-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; font-weight: 500; }
.stat-value { font-family: 'Poppins', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--text); }

.nav-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  background: none;
  border: none;
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,0.08); }

/* USER PILL */
.user-pill { display: flex; align-items: center; gap: 8px; background: var(--surface2); border: 1px solid var(--border); border-radius: 999px; padding: 5px 14px 5px 8px; font-size: 0.82rem; }
.user-avatar { width: 24px; height: 24px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 700; color: #fff; }
.logout-btn { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 0.78rem; padding: 0; margin-left: 4px; transition: color 0.15s; }
.logout-btn:hover { color: #f87171; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  header { padding: 0 16px; }
  main { padding: 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}