/* Sidebar */
.sidebar {
    width: 250px;
    min-height: 100vh;
    background: #1e1b4b;
    color: white;
    padding-top: 1rem;
    position: fixed;
    left: 0;
    top: 0;
}
.sidebar-brand {
    padding: 0 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1rem;
}
.sidebar-brand h4 { margin: 0; font-weight: 700; }
.sidebar .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
    color: white;
    background: rgba(255,255,255,0.1);
}
.sidebar .nav-link i { width: 24px; margin-right: 0.5rem; }

.sidebar-dev { background: #064e3b; }

/* Main content */
.main-content {
    margin-left: 250px;
    width: calc(100% - 250px);
    min-height: 100vh;
    background: #f8f9fa;
}
.top-bar {
    background: white;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.content-area { padding: 1.5rem; }

/* Stat cards */
.stat-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6b7280;
    margin-bottom: 0.25rem;
}
.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1f2937;
}

/* Auth pages */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
}
.auth-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.auth-card h2 { font-weight: 600; }

/* Tables */
.table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6b7280;
}
.table td { vertical-align: middle; }