.ledger-panel {
    background: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.12);
}

.ledger-panel form label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.ledger-panel input[type="text"],
.ledger-panel input[type="number"],
.ledger-panel select,
.ledger-panel textarea {
    width: 100%;
    padding: 0.45rem;
    margin-bottom: 0.85rem;
    border-radius: 4px;
    border: 1px solid #ccd0d7;
}

.ledger-panel textarea {
    min-height: 3.5rem;
}

.ledger-panel table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.ledger-panel table th,
.ledger-panel table td {
    border: 1px solid #e2e6ea;
    padding: 0.65rem;
    text-align: left;
    vertical-align: top;
}

.ledger-panel th {
    background: #f1f3f5;
}

.ledger-title {
    font-size: 1.6rem;
    margin: 0 0 0.5rem;
}

.ledger-toolbar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: #5b6470;
    padding: 0.5rem;
    border-radius: 6px;
    margin: 1rem 0;
}

.ledger-toolbar button {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.ledger-toolbar button.active {
    background: #2f7ae5;
    border-color: #2f7ae5;
}

.ledger-toolbar button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ledger-section {
    margin-bottom: 1.5rem;
}

.ledger-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
}

.ledger-table th,
.ledger-table td {
    border: 1px solid #e2e6ea;
    padding: 0.55rem 0.65rem;
    text-align: left;
    vertical-align: top;
}

.ledger-table th {
    background: #f1f3f5;
    font-weight: 700;
}

.ledger-group-row {
    background: #f8f9fb;
    font-weight: 700;
}

.ledger-actions {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.ledger-edit-panel summary {
    cursor: pointer;
    font-weight: 600;
}

.ledger-edit-panel form {
    margin-top: 0.5rem;
}

.ledger-optional {
    display: none;
}

.ledger-optional.active {
    display: block;
}

.ledger-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 50;
}

.ledger-modal.active {
    display: flex;
}

.ledger-modal-content {
    background: #fff;
    border-radius: 10px;
    width: min(900px, 95vw);
    max-height: 90vh;
    overflow: auto;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

.ledger-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.ledger-modal-header h3 {
    margin: 0;
}

.ledger-modal-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
}

.ledger-steps {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ledger-step {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border-radius: 999px;
    background: #e2e6ea;
    text-align: center;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}

.ledger-step.active {
    background: #1971f3;
    color: #fff;
}

.ledger-step-panel {
    display: none;
}

.ledger-step-panel.active {
    display: block;
}

.ledger-modal-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    gap: 0.75rem;
}

.ledger-modal-footer button {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.ledger-btn-secondary {
    background: #e2e6ea;
}

.ledger-btn-primary {
    background: #0d6efd;
    color: #fff;
}

.ledger-tree-header {
    display: grid;
    grid-template-columns: 2fr 1.3fr 0.8fr 1fr auto;
    gap: 0.75rem;
    font-weight: 700;
    color: #4b5563;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid #e2e6ea;
}

.ledger-tree {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.ledger-tree-group {
    border: 1px solid #e2e6ea;
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.ledger-tree-summary {
    display: grid;
    grid-template-columns: 2fr 1.3fr 0.8fr 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 700;
    background: #f8f9fb;
    list-style: none;
}

.ledger-tree-summary::-webkit-details-marker {
    display: none;
}

.ledger-tree-summary::marker {
    display: none;
}

.ledger-tree-title {
    font-weight: 700;
}

.ledger-tree-meta {
    color: #6b7280;
}

.ledger-tree-actions form {
    margin: 0;
}

.ledger-tree-children {
    padding: 0.5rem 0.75rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ledger-tree-items {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.ledger-tree-row {
    display: grid;
    grid-template-columns: 2fr 1.3fr 0.8fr 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    background: #fff;
}

.ledger-tree-sub {
    font-size: 0.75rem;
    color: #6b7280;
}

@media (max-width: 900px) {
    .ledger-tree-header {
        display: none;
    }

    .ledger-tree-summary,
    .ledger-tree-row {
        grid-template-columns: 1fr;
    }
}