body {
    background-color: #f5f7fa;
}

/* Sidebar */
.sidebar {
    min-height: calc(100vh - 52px);
}

.sidebar .nav-link {
    padding: 0.6rem 1rem;
    border-left: 3px solid transparent;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.08);
    border-left-color: #0d6efd;
}

/* Amount editing */
.amount-display {
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    display: inline-block;
    min-width: 90px;
}

.amount-display:hover {
    background-color: #e9f3ff;
    outline: 1px dashed #0d6efd;
}

/* Tables */
.table th {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #6c757d;
}

/* Cards */
.card {
    border: 1px solid #dee2e6;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* Forms inside modals should not have max-width constraint */
.modal input,
.modal select,
.modal textarea {
    max-width: 100%;
}