:root {
    --primary-color: #0f172a;
    --accent-color: #10b981;
    --bg-light: #f8fafc;
    --sidebar-width: 260px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-light);
    color: #334155;
    overflow-x: hidden;
}

.wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

#sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    min-height: 100vh;
    transition: all 0.3s;
    background-color: var(--primary-color) !important;
}

#sidebar.active {
    margin-left: calc(-1 * var(--sidebar-width));
}

#sidebar .nav-link {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7) !important;
    margin-bottom: 5px;
    transition: 0.2s;
}

#sidebar .nav-link:hover, #sidebar .active .nav-link {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

#content {
    width: 100%;
    min-height: 100vh;
    transition: all 0.3s;
}

.navbar {
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.stats-card {
    transition: transform 0.2s;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bg-soft-success { background-color: #ecfdf5; }
.bg-soft-primary { background-color: #eff6ff; }
.bg-soft-info { background-color: #ecfeff; }
.bg-soft-warning { background-color: #fffbeb; }

.table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    font-weight: 600;
    color: #64748b;
    border-bottom-width: 1px;
}

.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.card {
    border-radius: 12px;
}

@media (max-width: 768px) {
    #sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }
    #sidebar.active {
        margin-left: 0;
    }
}