/* T1D Insulin Calculator Styles
 * Matches Humaine Studio design system
 * Uses CSS variables for seamless dark mode support
 */

.calculator-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0;
}

/* Header section */
.calculator-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    gap: 20px;
    flex-wrap: wrap;
}

.calculator-title-group {
    flex: 1;
    min-width: 250px;
}

.calculator-title {
    font-size: 32px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.calculator-subtitle {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 300;
}

.units-toggle-btn {
    background: var(--text-dark);
    color: var(--bg-color);
    border: none;
    border-radius: 6px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.units-toggle-btn:hover {
    opacity: 0.8;
}

.units-toggle-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--border-color);
}

/* Medical disclaimer */
.medical-disclaimer {
    background: #fff5f5;
    border: 2px solid #feb2b2;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 40px;
}

[data-theme="dark"] .medical-disclaimer {
    background: #3d2020;
    border-color: #742a2a;
}

.disclaimer-title {
    font-weight: 700;
    color: #742a2a;
    margin-bottom: 10px;
    font-size: 14px;
}

[data-theme="dark"] .disclaimer-title {
    color: #feb2b2;
}

.disclaimer-text {
    color: #742a2a;
    font-size: 14px;
    line-height: 1.6;
}

[data-theme="dark"] .disclaimer-text {
    color: #fca5a5;
}

/* Input sections */
.calculator-inputs {
    margin-bottom: 40px;
}

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

.input-group-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.input-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.input-field {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.input-field:focus {
    outline: none;
    border-color: var(--text-light);
}

.input-field::placeholder {
    color: var(--text-lighter);
}

/* Select dropdown */
.select-wrapper {
    position: relative;
}

.select-field {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    color: var(--text-color);
    background-color: var(--bg-color);
    cursor: pointer;
    appearance: none;
    transition: border-color 0.2s ease;
}

.select-field:focus {
    outline: none;
    border-color: var(--text-light);
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
    font-size: 12px;
}

/* Slider controls */
.slider-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-dark);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-dark);
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.slider-value {
    font-size: 16px;
    font-weight: 700;
    font-family: 'Monaco', 'Consolas', monospace;
    color: var(--text-dark);
    min-width: 70px;
    text-align: right;
}

.slider-description {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* Calculation results */
.calculation-section {
    background: var(--border-light);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 24px;
    margin-bottom: 24px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.calculation-steps {
    list-style: none;
    padding: 0;
    margin: 0;
}

.calculation-step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
    color: var(--text-color);
}

.calculation-step:last-child {
    border-bottom: none;
}

.calculation-value {
    font-family: 'Monaco', 'Consolas', monospace;
    color: var(--text-dark);
    white-space: nowrap;
    margin-left: 16px;
}

.rounding-rules {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.rounding-rules strong {
    color: var(--text-dark);
}

.rounding-rules ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
}

.rounding-rules li {
    margin-bottom: 4px;
}

/* Recommended dose */
.dose-recommendation {
    background: var(--border-light);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.dose-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.dose-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1;
}

.dose-insulin-type {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 500;
}

/* Low BG warning */
.low-bg-warning {
    background: #fffbeb;
    border: 1px solid  #fbbf24;
    border-radius: 6px;
    padding: 16px;
    margin-top: 20px;
    font-size: 14px;
    color: #78350f;
    line-height: 1.6;
}

[data-theme="dark"] .low-bg-warning {
    background: #3d3106;
    border-color: #92400e;
    color: #fbbf24;
}

/* Reminder box */
.reminder-box {
    background: var(--border-light);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 24px;
    font-size: 15px;
    color: var(--text-color);
}

.reminder-box strong {
    color: var(--text-dark);
}

/* Placeholder */
.calculator-placeholder {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 16px;
}

/* Sources section */
.sources-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.sources-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    transition: color 0.2s ease;
}

.sources-toggle:hover {
    color: var(--text-light);
}

.sources-toggle:focus {
    outline: none;
}

.sources-content {
    display: none;
    margin-top: 20px;
    background: var(--border-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
}

.source-item {
    margin-bottom: 20px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-light);
}

.source-item:last-child {
    margin-bottom: 0;
}

.source-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.source-item p {
    margin: 8px 0;
}

.source-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--link-underline);
    transition: border-color 0.2s ease;
    margin-top: 8px;
}

.source-link:hover {
    border-bottom-color: var(--text-dark);
}

.source-important {
    background: #fffbeb;
    border: 1px solid #fbbf24;
    border-radius: 6px;
    padding: 16px;
    margin-top: 20px;
    font-size: 13px;
    color: #78350f;
}

[data-theme="dark"] .source-important {
    background: #3d3106;
    border-color: #92400e;
    color: #fbbf24;
}

.source-important strong {
    color: inherit;
}

/* Responsive design */
@media (max-width: 768px) {
    .calculator-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .calculator-title {
        font-size: 28px;
    }

    .calculator-title-group {
        width: 100%;
    }

    .units-toggle-btn {
        width: 100%;
    }

    .input-group-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .calculation-step {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .calculation-value {
        margin-left: 0;
    }

    .dose-value {
        font-size: 40px;
    }

    .slider-value {
        min-width: 60px;
    }
}

@media (max-width: 480px) {
    .calculator-title {
        font-size: 24px;
    }

    .medical-disclaimer {
        padding: 16px;
    }

    .calculation-section,
    .dose-recommendation {
        padding: 20px;
    }

    .dose-value {
        font-size: 36px;
    }
}