body {
    font-family: Arial, sans-serif;
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.calculator {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

h2 {
    color: #333;
    text-align: center;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group.inline {
    display: inline-block;
    margin-right: 15px;
    margin-bottom: 10px;
    width: auto;
}

.input-group.inline label {
    display: inline;
    margin-right: 5px;
}

.input-group.inline select {
    width: auto;
    min-width: 100px;
}

.filter-section {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

input:focus, select:focus {
    border-color: #4CAF50;
    outline: none;
}

.result {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #4CAF50;
    margin-top: 20px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 16px;
}

.result-item:last-child {
    margin-bottom: 0;
    font-weight: bold;
    color: #333;
}

.currency {
    font-family: monospace;
}

.notrans-display {
    background-color: #e8f5e8;
    padding: 10px;
    border-radius: 5px;
    font-family: monospace;
    font-size: 18px;
    text-align: center;
    margin-top: 10px;
    border: 1px solid #4CAF50;
}

.button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    width: 100%;
}

.button:hover {
    background-color: #45a049;
}

.button.secondary {
    background-color: #008CBA;
}

.button.success {
    background-color: #28a745;
}

.button.danger {
    background-color: #f44336;
}

.button.warning {
    background-color: #ffc107;
    color: black;
}

.row {
    display: flex;
    gap: 15px;
}

.col {
    flex: 1;
}

/* Table Styles */
.transactions-table {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
    color: #333;
}

tr:hover {
    background-color: #f5f5f5;
}

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

.action-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
}

.edit-btn {
    background-color: #ffc107;
    color: black;
}

.delete-btn {
    background-color: #dc3545;
    color: white;
}

.summary {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9ecef;
    border-radius: 5px;
    font-weight: bold;
}

.export-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.export-buttons .button {
    width: auto;
    flex: 1;
}

/* Responsive tweaks */
@media (max-width: 768px) {
    body {
        padding: 12px;
        margin: 10px;
        max-width: 720px;
    }

    .calculator {
        padding: 20px;
    }

    h2 {
        font-size: 20px;
        margin-bottom: 18px;
    }

    .notrans-display {
        font-size: 16px;
        padding: 8px;
    }

    input, select {
        padding: 10px;
        font-size: 15px;
    }

    .row {
        flex-direction: column;
    }

    .result-item {
        flex-direction: column;
        align-items: flex-end;
        gap: 6px;
    }

    .export-buttons {
        flex-direction: column;
    }

    .export-buttons .button {
        width: 100%;
    }

    th, td {
        padding: 10px;
        font-size: 14px;
    }

    .action-btn {
        padding: 6px 8px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
        margin: 8px;
        max-width: 100%;
    }

    .calculator {
        padding: 14px;
    }

    h2 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .button {
        padding: 10px 12px;
        font-size: 15px;
    }

    .notrans-display {
        font-size: 14px;
        padding: 6px;
    }

    .result-item {
        font-size: 14px;
    }

    th, td {
        padding: 8px;
        font-size: 13px;
    }

    .action-buttons {
        flex-direction: column;
        gap: 6px;
    }

    .transactions-table {
        padding: 12px;
    }
}