body { background-color: #f4f6f9; }
.sidebar { width: 270px; min-width: 270px; background-color: #16323f; }
.sidebar .nav-link { color: #cfe3e8; padding: 0.4rem 0.75rem; }
.sidebar .nav-link:hover { color: #fff; }
.sidebar .nav-link.active { background-color: #1f9d80; color: #fff; }
.main-content { width: 100%; }
.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,0.08); border-radius: 10px; }
.stat-card { border-radius: 12px; color: #fff; padding: 1.25rem; }
.bg-stat-1 { background: linear-gradient(135deg, #1f9d80, #14705b); }
.bg-stat-2 { background: linear-gradient(135deg, #2f6fed, #1b4fc0); }
.bg-stat-3 { background: linear-gradient(135deg, #e0913c, #b56a20); }
.bg-stat-4 { background: linear-gradient(135deg, #d9534f, #a5322e); }
.auth-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #16323f, #1f9d80); }
.auth-card { width: 380px; border-radius: 14px; }
table.table thead { background-color: #eef1f6; }
.token-box { font-size: 2.5rem; font-weight: 700; color: #1f9d80; }