/* BMI 计算器 — 工具特有样式 (cainiaoya 风格, 朴素扁平) */

/* 计算结果卡 */
.result-card {
    margin-top: var(--yst-space-4);
    padding: var(--yst-space-5);
    background: var(--yst-bg-subtle);
    border-radius: var(--yst-radius);
    border: 1px solid var(--yst-border);
    text-align: center;
}

.bmi-display { margin-bottom: var(--yst-space-4); }
.bmi-value {
    font: 700 56px/1 var(--yst-font);
    color: var(--yst-brand);
    margin-bottom: 4px;
    letter-spacing: 1px;
}
.bmi-label {
    font-size: 12px;
    color: var(--yst-text-muted);
    letter-spacing: var(--yst-letter-spacing);
}

/* 仪表盘 */
.bmi-gauge { margin: var(--yst-space-4) auto var(--yst-space-3); max-width: 480px; }
.gauge-bar {
    position: relative;
    height: 10px;
    background: linear-gradient(90deg, #2196f3 0%, #5fb878 30%, #ffb800 60%, #ff5722 100%);
    border-radius: 5px;
    overflow: visible;
}
.gauge-fill { display: none; }
.gauge-pointer {
    position: absolute;
    top: 50%;
    width: 18px; height: 18px;
    background: #fff;
    border: 3px solid var(--yst-text);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: left 0.4s ease;
    left: 0%;
}
.gauge-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--yst-space-2);
    font-size: 11px;
    color: var(--yst-text-muted);
    padding: 0 4px;
    letter-spacing: var(--yst-letter-spacing);
}

/* 分类徽章 */
.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--yst-radius);
    font-size: 13px;
    font-weight: 600;
    background: var(--yst-bg-card);
    color: var(--yst-text-muted);
    border: 1px solid var(--yst-border-strong);
    letter-spacing: var(--yst-letter-spacing);
}

/* 详情区 */
.details-card {
    margin-top: var(--yst-space-4);
    display: none;
}
.details-card.show { display: block; }

.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--yst-space-2);
}
@media (min-width: 600px) {
    .detail-grid { grid-template-columns: 1fr 1fr; }
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--yst-bg-card);
    border: 1px solid var(--yst-border);
    border-radius: var(--yst-radius);
    text-align: left;
}
.detail-icon {
    width: 32px; height: 32px; flex-shrink: 0;
    background: var(--yst-brand-soft);
    color: var(--yst-brand);
    border-radius: var(--yst-radius);
    display: inline-flex; align-items: center; justify-content: center;
}
.detail-icon svg { width: 16px; height: 16px; }
.detail-content { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.detail-label { font-size: 11px; color: var(--yst-text-muted); letter-spacing: var(--yst-letter-spacing); }
.detail-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--yst-text);
    letter-spacing: var(--yst-letter-spacing);
}

.health-advice {
    margin-top: var(--yst-space-3);
    padding: 8px 12px;
    background: var(--yst-info-bg);
    color: var(--yst-info);
    border-left: 3px solid var(--yst-info);
    border-radius: var(--yst-radius-sm);
    font-size: 13px;
    line-height: 1.7;
    text-align: left;
    display: none;
    letter-spacing: var(--yst-letter-spacing);
}
.health-advice:not(:empty) { display: block; }

/* BMI 标准小卡 */
.scale-grid { gap: 8px !important; }
.scale-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--yst-bg-card);
    border-radius: var(--yst-radius);
    border: 1px solid var(--yst-border);
    font-size: 13px;
    transition: border-color var(--yst-dur);
}
.scale-item:hover { border-color: var(--yst-brand); }
.scale-item .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.scale-item.underweight .dot { background: #2196f3; }
.scale-item.normal .dot { background: #5fb878; }
.scale-item.overweight .dot { background: #ffb800; }
.scale-item.obese .dot { background: #ff5722; }
.scale-item strong { color: var(--yst-text); font-weight: 600; }
.scale-item small { color: var(--yst-text-muted); font-size: 11px; }

/* 适配脚本动态创建的"计算 BMI"按钮 */
.calculator-card .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    margin-top: var(--yst-space-3);
    height: 38px;
    padding: 0 20px;
    font: 500 14px/1 var(--yst-font);
    letter-spacing: var(--yst-letter-spacing);
    border: 1px solid var(--yst-brand);
    border-radius: var(--yst-radius);
    background: var(--yst-brand);
    color: #fff;
    cursor: pointer;
    transition: all var(--yst-dur) var(--yst-ease);
}
.calculator-card .btn:hover {
    background: var(--yst-brand-hover);
    border-color: var(--yst-brand-hover);
}
.calculator-card .btn:active { transform: translateY(1px); }
.calculator-card .btn::before {
    content: "›";
    font-size: 18px;
    line-height: 1;
}

.input-group label, .yst-label {
    letter-spacing: var(--yst-letter-spacing);
}

.note { letter-spacing: var(--yst-letter-spacing); }