/* GST Calculator Styles - Drtool Global Design v2 */
.gst-calculator-container {
    font-family: 'Manrope', sans-serif;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
}

.gst-calculator-card {
    background-color: #ffffff;
    border: 1px solid #dbe4ea;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
}

.gst-calculator-header {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 32px 24px;
    border-bottom: 1px solid #e8f2f4;
    text-align: center;
}

.gst-calculator-title {
    color: #0b1120;
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 8px 0;
    letter-spacing: -0.02em;
}

.gst-calculator-subtitle {
    color: #4b5563;
    font-size: 16px;
    font-weight: 400;
    margin: 0;
}

.gst-calculator-body {
    padding: 32px;
    background-color: #ffffff;
}

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.gst-calculator-form {
    background-color: #ffffff;
    padding: 0;
    border: none;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    color: #111827;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    letter-spacing: -0.01em;
}

/* Input base styles */
.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #dbe4ea;
    border-radius: 10px;
    font-size: 16px;
    font-family: 'Manrope', sans-serif;
    background-color: #ffffff;
    color: #111827;
    transition: all 0.2s ease;
    box-sizing: border-box;
    height: 46px;
    line-height: 1.4;
}

/* Dropdown - vertical padding 0, text centered with line-height */
.form-select {
    width: 100%;
    padding: 0 32px 0 12px;  /* vertical padding 0, horizontal for text and arrow */
    border: 1px solid #dbe4ea;
    border-radius: 10px;
    font-size: 16px;
    font-family: 'Manrope', sans-serif;
    background-color: #ffffff;
    color: #111827;
    transition: all 0.2s ease;
    box-sizing: border-box;
    height: 46px;
    line-height: 46px;  /* Vertically center text */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3e%3cpath fill='%230e7e94' d='M2 0L0 2h4zm0 5L0 3h4z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
}

/* Dropdown options */
.form-select option {
    line-height: 1.4;
    padding: 8px 12px;
    font-size: 16px;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #0e7e94;
    box-shadow: 0 0 0 3px rgba(14, 126, 148, 0.1);
    height: 46px;
}

.form-select option:checked,
.form-select:focus option:checked {
    background-color: #0e7e94 !important;
    color: #ffffff !important;
}

/* Firefox specific */
@-moz-document url-prefix() {
    .form-select {
        padding: 0 32px 0 12px;
        line-height: 46px;
    }
    .form-select option:checked {
        background-color: #0e7e94;
        color: #fff;
    }
}

/* Webkit (Chrome, Edge, Safari) better option styling */
@media screen and (-webkit-min-device-pixel-ratio:0) {
    .form-select option:checked {
        background: #0e7e94 linear-gradient(0deg, #0e7e94 0%, #0e7e94 100%);
        color: #fff;
    }
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
    color: #111827;
    position: relative;
    padding-left: 32px;
    font-size: 15px;
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-custom {
    position: absolute;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #ffffff;
    border: 2px solid #dbe4ea;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    background-color: #0e7e94;
    border-color: #0e7e94;
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%;
}

/* Button Group */
.button-group {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.calculate-btn,
.reset-btn {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Manrope', sans-serif;
    border: none;
}

.calculate-btn {
    background-color: #0e7e94;
    color: #ffffff;
}

.calculate-btn:hover {
    background-color: #0a6475;
    transform: translateY(-1px);
}

.reset-btn {
    background-color: #e8f2f4;
    color: #0e7e94;
}

.reset-btn:hover {
    background-color: #0e7e94;
    color: #ffffff;
    transform: translateY(-1px);
}

.calculate-btn:active,
.reset-btn:active {
    transform: translateY(1px);
}

/* Remove all focus outlines and blue rings from buttons */
.calculate-btn:focus,
.reset-btn:focus,
.calculate-btn:focus-visible,
.reset-btn:focus-visible,
.calculate-btn:active,
.reset-btn:active {
    outline: none !important;
    box-shadow: none !important;
}

/* Ensure no color change on focus without hover (prevents lingering blue) */
.calculate-btn:focus:not(:hover) {
    background-color: #0e7e94;
    color: #ffffff;
}

.reset-btn:focus:not(:hover) {
    background-color: #e8f2f4;
    color: #0e7e94;
}

/* Result Section */
.result-section {
    position: sticky;
    top: 32px;
}

.gst-result {
    background-color: #ffffff;
    border: 1px solid #dbe4ea;
    border-radius: 10px;
    overflow: hidden;
    display: none;
    box-shadow: 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.result-header {
    background-color: #f8fafc;
    padding: 20px 24px;
    border-bottom: 1px solid #e8f2f4;
}

.result-title {
    color: #111827;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.result-body {
    padding: 24px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e8f2f4;
}

.result-row:last-child {
    border-bottom: none;
}

.result-row.total {
    border-top: 2px solid #0e7e94;
    margin-top: 12px;
    padding-top: 16px;
}

.result-row.total .result-value {
    color: #0e7e94;
    font-weight: 700;
}

.result-label {
    color: #111827;
    font-weight: 500;
}

.result-value {
    color: #111827;
    font-weight: 600;
}

.result-row.breakdown {
    padding-left: 20px;
    font-size: 14px;
    border-bottom: 1px solid #e8f2f4;
    background-color: #f8fafc;
    margin: 2px 0;
    border-radius: 10px;
    padding-top: 8px;
    padding-bottom: 8px;
}

.result-row.breakdown .result-label {
    font-weight: 400;
    color: #4b5563;
}

.result-row.breakdown .result-value {
    font-weight: 500;
    color: #4b5563;
}

.result-row:has(+ .result-row.breakdown) {
    margin-bottom: 0;
    border-bottom: none;
}

.result-placeholder {
    background-color: #ffffff;
    border: 2px dashed #dbe4ea;
    border-radius: 10px;
    padding: 48px 24px;
    text-align: center;
    transition: all 0.2s ease;
}

.placeholder-title {
    color: #1f2937;
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 12px 0;
}

.placeholder-text {
    color: #4b5563;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* Error state */
.form-input.error {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.form-input.error + .error-message {
    display: block;
}

/* Animation for result */
.gst-result.show {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-section:has(.gst-result.show) .result-placeholder {
    display: none;
}

.result-section:has(.gst-result:not(.show)) .result-placeholder {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .gst-calculator-container {
        padding: 16px;
    }
    
    .calculator-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .result-section {
        position: static;
    }
    
    .gst-calculator-header {
        padding: 24px 20px;
    }
    
    .gst-calculator-body {
        padding: 24px;
    }
    
    .gst-calculator-title {
        font-size: 28px;
    }
    
    .form-input,
    .form-select {
        height: 44px;
        line-height: 44px;
    }
    
    .form-select {
        padding: 0 32px 0 12px;
    }
    
    .result-row.breakdown {
        padding-left: 15px;
        font-size: 13px;
    }
    
    .result-placeholder {
        padding: 32px 20px;
    }
}

@media (max-width: 480px) {
    .gst-calculator-container {
        padding: 12px;
    }
    
    .gst-calculator-header {
        padding: 20px 16px;
    }
    
    .gst-calculator-body {
        padding: 20px;
    }
    
    .result-body {
        padding: 20px;
    }
    
    .result-placeholder {
        padding: 28px 16px;
    }
    
    .form-input,
    .form-select {
        height: 42px;
        line-height: 42px;
        font-size: 14px;
    }
}