/**
 * BMI 计算器样式
 */

/* 单位切换 */
.unit-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.unit-btn {
    padding: 10px 20px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.unit-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.unit-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* 输入区域 */
.bmi-input-area {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

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

.input-group.hidden {
    display: none;
}

.input-item label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.input-item input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 18px;
    font-family: 'JetBrains Mono', monospace;
    background: var(--color-bg);
}

.input-item input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.dual-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dual-input input {
    flex: 1;
    min-width: 60px;
}

.input-unit {
    font-size: 12px;
    color: var(--color-text-light);
    white-space: nowrap;
}

.input-actions {
    display: flex;
    gap: 12px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* 结果区域 */
.bmi-result {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.bmi-result.hidden {
    display: none;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.bmi-value-container {
    text-align: center;
}

.bmi-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.bmi-value {
    font-size: 64px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-text);
    line-height: 1;
}

.bmi-status {
    text-align: right;
}

.status-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.status-badge.underweight {
    background: #dbeafe;
    color: #1d4ed8;
}

.status-badge.normal {
    background: #dcfce7;
    color: #15803d;
}

.status-badge.overweight {
    background: #fef9c3;
    color: #a16207;
}

.status-badge.obese {
    background: #fee2e2;
    color: #b91c1c;
}

.status-range {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
}

/* BMI 刻度条 */
.bmi-scale {
    margin-bottom: 24px;
}

.scale-bar {
    position: relative;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
}

.scale-segment {
    height: 100%;
}

.scale-segment.underweight {
    background: #3b82f6;
}

.scale-segment.normal {
    background: #22c55e;
}

.scale-segment.overweight {
    background: #eab308;
}

.scale-segment.obese {
    background: linear-gradient(90deg, #f97316 0%, #ef4444 100%);
}

.scale-indicator {
    position: absolute;
    top: -4px;
    width: 4px;
    height: 20px;
    background: var(--color-text);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: left 0.3s ease;
}

.scale-indicator::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--color-text);
}

.scale-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    font-size: 11px;
    color: var(--color-text-light);
    text-align: center;
}

/* 健康建议 */
.health-advice {
    background: var(--color-bg);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}

.advice-title,
.ideal-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.advice-content {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.advice-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.advice-list {
    margin: 0;
    padding-left: 20px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 理想体重 */
.ideal-weight {
    background: var(--color-bg);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.ideal-range {
    font-size: 24px;
    font-family: 'JetBrains Mono', monospace;
}

.ideal-min {
    color: var(--color-primary);
    font-weight: 600;
}

.ideal-divider {
    color: var(--color-text-light);
    margin: 0 12px;
    font-size: 16px;
}

.ideal-max {
    color: var(--color-success);
    font-weight: 600;
}

/* BMI 标准列表中的圆点 */
.bmi-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.bmi-dot.underweight {
    background: #3b82f6;
}

.bmi-dot.normal {
    background: #22c55e;
}

.bmi-dot.overweight {
    background: #eab308;
}

.bmi-dot.obese {
    background: #ef4444;
}

/* 响应式 */
@media (max-width: 600px) {
    .input-group {
        grid-template-columns: 1fr;
    }

    .result-header {
        flex-direction: column;
        text-align: center;
    }

    .bmi-status {
        text-align: center;
        margin-top: 16px;
    }

    .bmi-value {
        font-size: 48px;
    }

    .scale-labels {
        font-size: 10px;
    }

    .ideal-range {
        font-size: 18px;
    }
}