* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    letter-spacing: 2px;
}

.subtitle {
    color: #999;
    font-size: 14px;
    margin-top: 5px;
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    color: white;
}

.card-income {
    background-color: #16a34a;
}

.card-expense {
    background-color: #dc2626;
}

.card-balance {
    background-color: #0ea5e9;
}

.card h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.card .amount {
    font-size: 32px;
    font-weight: bold;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.tab-btn {
    padding: 12px 30px;
    border: none;
    background-color: #e5e7eb;
    color: #333;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
}

.tab-btn.active {
    background-color: #3b82f6;
    color: white;
}

.tab-btn:hover {
    background-color: #3b82f6;
    color: white;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Form Container */
.form-container {
    background-color: #f9fafb;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid #e5e7eb;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 20px;
    color: #333;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
}

.btn-submit {
    width: 200px;
    padding: 12px;
    background-color: #16a34a;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: #15803d;
}

/* History Container */
.history-container {
    margin-top: 30px;
}

.history-container h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.filter-container {
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
    align-items: center;
}

.filter-container select {
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    background-color: white;
    cursor: pointer;
    min-width: 150px;
}

.filter-container input {
    padding: 10px;
    flex: 1;
    max-width: 500px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

thead {
    background-color: #1f2937;
    color: white;
}

thead th {
    padding: 15px;
    text-align: left;
    font-weight: 500;
}

tbody td {
    padding: 15px;
    border-bottom: 1px solid #e5e7eb;
}

tbody tr:hover {
    background-color: #f9fafb;
}

.no-data {
    text-align: center;
    color: #999;
    padding: 30px !important;
}

.btn-delete {
    padding: 6px 12px;
    background-color: #dc2626;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.btn-delete:hover {
    background-color: #b91c1c;
}

.btn-edit {
    padding: 6px 12px;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 5px;
}

.btn-edit:hover {
    background-color: #2563eb;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 15px 0;
    border-top: 1px solid #e5e7eb;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pagination-btn {
    padding: 8px 16px;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.pagination-btn:hover:not(:disabled) {
    background-color: #2563eb;
}

.pagination-btn:disabled {
    background-color: #d1d5db;
    cursor: not-allowed;
    opacity: 0.5;
}

.page-info {
    color: #666;
    font-size: 14px;
    font-weight: 500;
}

/* Rincian Container */
.rincian-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.rincian-box {
    background-color: #f9fafb;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.rincian-box h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.rincian-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

.rincian-table thead {
    background-color: #f3f4f6;
    color: #333;
}

.rincian-table thead th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border: 1px solid #e5e7eb;
}

.rincian-table tbody td {
    padding: 12px;
    border: 1px solid #e5e7eb;
}

.rincian-table tbody tr:hover {
    background-color: #f9fafb;
}

/* Charts Container */
.charts-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    padding: 20px;
}

.chart-box {
    background-color: #f9fafb;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.chart-box h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
    font-size: 18px;
}

.chart-box canvas {
    max-height: 300px;
}

/* Responsive */
@media (max-width: 768px) {
    .summary-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .charts-container {
        grid-template-columns: 1fr;
    }

    .rincian-container {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-direction: column;
    }

    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-container select,
    .filter-container input {
        width: 100%;
        max-width: none;
    }

    .pagination-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .pagination-controls {
        flex-direction: column;
        width: 100%;
    }

    .pagination-btn {
        width: 100%;
    }
}