/* BMI Calculator CSS Styles */
.unit-toggle-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.unit-tab-btn {
    flex: 1;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #4b5563;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.unit-tab-btn:hover {
    background: #f3f4f6;
    color: #1f2937;
}

.unit-tab-btn.active {
    background: var(--primary_color, #2584DC);
    color: #ffffff;
    border-color: var(--primary_color, #2584DC);
}

.bmi-input-panel {
    display: none;
}

.bmi-input-panel.active {
    display: block;
}

.bmi-options-panel {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin-top: 15px;
}

.bmi-output-box {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    min-height: 280px;
    display: flex;
    flex-column: justify;
    flex-direction: column;
    justify-content: space-between;
}

.bmi-gauge-container {
    margin: 20px 0;
    position: relative;
}

.bmi-gauge-bar {
    height: 16px;
    border-radius: 8px;
    background: linear-gradient(to right, #3b82f6 0%, #10b981 30%, #f59e0b 65%, #ef4444 100%);
    position: relative;
}

.bmi-gauge-pointer {
    width: 6px;
    height: 24px;
    background: #1f2937;
    border: 2px solid #ffffff;
    border-radius: 3px;
    position: absolute;
    top: -4px;
    left: 0%;
    transform: translateX(-50%);
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    transition: left 0.3s ease-out;
}

.bmi-gauge-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 10px;
    color: #64748b;
    font-weight: 600;
}

.bmi-score-number {
    font-size: 54px;
    font-weight: 800;
    color: #1f2937;
    line-height: 1;
}

.bmi-status-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-underweight { background-color: #dbeafe; color: #1e40af; }
.status-normal { background-color: #d1fae5; color: #065f46; }
.status-overweight { background-color: #fef3c7; color: #92400e; }
.status-obese { background-color: #fee2e2; color: #991b1b; }