:root {
    --primary-color: #005A9C;
    --secondary-color: #4CAF50;
    --background-color: #f7f9fc;
    --card-background: #ffffff;
    --text-color: #333;
    --label-color: #555;
    --border-color: #e0e0e0;
    --error-color: #D32F2F;
    --netto-color: #007bff;
    --moms-color: #ffc107;
}

#momsraknare-tool-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.momsraknare-card {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    padding: 25px 30px;
    width: 100%;
    max-width: 550px;
    box-sizing: border-box;
}

.momsraknare-header h2 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
    font-size: 24px;
    text-align: center;
}

.momsraknare-header p {
    margin: 0 0 25px 0;
    font-size: 15px;
    color: var(--label-color);
    text-align: center;
}

fieldset {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

legend {
    font-weight: 600;
    color: var(--primary-color);
    padding: 0 8px;
    font-size: 16px;
}

.form-group {
    margin-bottom: 20px;
}
.form-group:last-child {
    margin-bottom: 5px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--label-color);
    margin-bottom: 8px;
}

.input-with-symbol {
    position: relative;
    display: flex;
}

.input-with-symbol input {
    width: 100%;
    padding: 12px 45px 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s, box-shadow 0.3s;
    -moz-appearance: textfield;
}
.input-with-symbol input::-webkit-outer-spin-button,
.input-with-symbol input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-with-symbol input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 90, 156, 0.15);
}

.input-with-symbol span {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-weight: 500;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.radio-group label {
    flex-grow: 1;
    display: flex;
    align-items: center;
    background: #f9f9f9;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.radio-group label:has(input:checked) {
    background-color: #e7f1ff;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.radio-group input[type="radio"] {
    display: none;
}

.vat-rate-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.custom-rate-label {
    grid-column: span 2;
    padding: 5px 10px;
}

.custom-vat-input input {
    padding: 8px 30px 8px 10px;
    font-size: 14px;
    background: var(--card-background);
}

.tooltip-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 16px;
    height: 16px;
    background-color: #ccc;
    color: white;
    border-radius: 50%;
    font-size: 11px;
    font-style: normal;
    font-weight: bold;
    margin-left: 8px;
    position: relative;
    cursor: help;
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    font-weight: normal;
}
.tooltip-icon:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

#calculate-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

#calculate-btn:hover {
    background-color: #45a049;
}

#calculate-btn:active {
    transform: scale(0.98);
}

#momsraknare-results {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
#momsraknare-results.results-hidden {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.results-grid {
    display: grid;
    grid-template-columns: 150px 1fr;
    align-items: center;
    gap: 30px;
    margin-top: 15px;
}

.results-chart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#result-pie-chart {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--netto-color);
}

.chart-legend {
    font-size: 13px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}
.dot-netto { background-color: var(--netto-color); }
.dot-moms { background-color: var(--moms-color); }

.results-details {
    width: 100%;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 16px;
}
.result-item span {
    color: var(--label-color);
}
.result-item strong {
    font-size: 18px;
    font-weight: 600;
}
.result-item.total strong {
    font-size: 22px;
    color: var(--secondary-color);
}
hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 5px 0;
}

#error-message {
    color: var(--error-color);
    text-align: center;
    margin-top: 15px;
    font-weight: 500;
}

input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.15);
}


@media (max-width: 600px) {
    .momsraknare-card {
        padding: 20px;
    }
    .vat-rate-group {
        grid-template-columns: 1fr;
    }
    .custom-rate-label {
        grid-column: span 1;
    }
    .results-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    .results-chart-container {
        margin: 0 auto;
    }
    .result-item {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }
}