:root {
    /* Light Zen Theme */
    --bg-color: #f7f3e8;
    /* Soft paper color */
    --card-bg: #ffffff;
    --text-primary: #3d3b38;
    /* Charcoal / dark brown text */
    --text-secondary: #77736e;
    --accent: #5e7ba8;
    /* Muted indigo / traditional blue */
    --accent-hover: #4a638b;
    --wood: #4caf50;
    --fire: #d32f2f;
    --earth: #795548;
    --metal: #fbc02d;
    --water: #1976d2;
    --border: #e0dcd3;
    --yang: #3d3b38;
    --yin: #77736e;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
    /* Use serif fonts for traditional feel */
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.8;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 800px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid var(--accent);
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 10px;
    letter-spacing: 5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    letter-spacing: 6px;
    font-style: italic;
}

.card {
    background: var(--card-bg);
    border-radius: 8px;
    /* Slightly squarer borders */
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    /* Softer shadow */
    border: 1px solid var(--border);
}

h2 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    border-left: 5px solid var(--accent);
    padding-left: 15px;
    font-family: 'Noto Sans SC', sans-serif;
}

h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--accent);
    border-bottom: 1px dashed var(--border);
    padding-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px;
}

h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: bold;
}

.tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-family: inherit;
    font-weight: bold;
}

.tab-btn:hover {
    color: var(--accent);
    background: rgba(94, 123, 168, 0.05);
}

.tab-btn.active {
    color: #fff;
    background: var(--accent);
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.instruction {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-style: italic;
}

.input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.input-item {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: bold;
}

input[type="number"],
select {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 15px;
    border-radius: 4px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
    font-family: inherit;
}

input[type="number"]:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 5px rgba(94, 123, 168, 0.2);
}

.action-bar {
    margin-top: 30px;
    text-align: center;
}

.primary-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 15px 50px;
    font-size: 1.15rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
    letter-spacing: 2px;
    font-family: inherit;
}

.primary-btn:hover {
    background: var(--accent-hover);
}

.secondary-btn {
    background: #fff;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 10px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.secondary-btn:hover {
    background: var(--accent);
    color: #fff;
}

.hidden {
    display: none !important;
}

/* ===== 垂直平铺三才样式 ===== */
.power-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.power-stack-arrow {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    line-height: 1.2;
    padding: 2px 0;
    opacity: 0.6;
}

.power-row {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: #fdfbf7;
    transition: box-shadow 0.2s;
}

.power-row:hover {
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.07);
}

.power-row-main {
    border-color: var(--accent);
    background: rgba(94, 123, 168, 0.03);
}

.power-row-badge {
    width: 90px;
    min-width: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    gap: 4px;
}

.heaven-badge {
    background: linear-gradient(160deg, #e8f0fb 0%, #d6e4f7 100%);
    border-right: 1px solid #c2d5ef;
}

.man-badge {
    background: linear-gradient(160deg, #eaf3ea 0%, #d5ecce 100%);
    border-right: 1px solid #b8ddb4;
}

.earth-badge {
    background: linear-gradient(160deg, #fdf5e4 0%, #f7e9c8 100%);
    border-right: 1px solid #e8d49a;
}

.power-row-label {
    font-size: 1.05rem;
    font-weight: bold;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.power-row-sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.power-row-body {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 16px 20px;
    gap: 18px;
    flex-wrap: wrap;
}

.power-value {
    font-size: 1.7rem;
    font-weight: bold;
    letter-spacing: 3px;
    white-space: nowrap;
    min-width: 60px;
}

.power-row-detail {
    flex: 1;
    font-size: 0.93rem;
    color: var(--text-secondary);
    line-height: 1.75;
    border-left: 1px dashed var(--border);
    padding-left: 16px;
}

.power-row-detail em {
    color: var(--accent);
    font-style: normal;
    font-weight: bold;
}

.power-row-detail strong {
    color: var(--text-primary);
}

/* legacy power-label: keep for any remaining references */
.power-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* Element Colors (Softened for light theme) */
.el-wood {
    color: #388e3c;
}

.el-fire {
    color: #d32f2f;
}

.el-earth {
    color: #8d6e63;
}

.el-metal {
    color: #f57f17;
}

.el-water {
    color: #1976d2;
}

.analysis-step {
    background: #fdfbf7;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 15px;
    border-left: 4px solid var(--accent);
}

.desc-text {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Target details popup area - retained for compatibility */
.position-details {
    background: #fff;
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 25px;
    font-size: 0.95rem;
    color: var(--text-primary);
    animation: fadeIn 0.3s ease;
    border-left: 6px solid var(--accent);
}

/* Detailed analysis list styling */
.db-container {
    padding-right: 10px;
}

.db-container::-webkit-scrollbar {
    width: 8px;
}

.db-container::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.db-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border);
}

.db-item:last-child {
    border-bottom: none;
}

.db-label {
    font-weight: bold;
    color: var(--accent);
    display: inline-block;
    width: 90px;
}

.db-val {
    color: var(--text-primary);
}

/* ===== 手机端响应式优化 ===== */
@media (max-width: 600px) {

    body {
        padding: 12px;
    }

    h1 {
        font-size: 2rem;
        letter-spacing: 3px;
    }

    .card {
        padding: 16px;
    }

    /* 三才标题：副标题换行不再截断 */
    h3 {
        font-size: 1.15rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .h3-sub {
        font-size: 0.78rem !important;
        line-height: 1.5;
    }

    /* badge 缩窄，留更多空间给内容 */
    .power-row-badge {
        width: 70px;
        min-width: 70px;
        padding: 12px 4px;
    }

    .power-row-label {
        font-size: 0.95rem;
        letter-spacing: 1px;
    }

    .power-row-sub {
        font-size: 0.65rem;
    }

    /* body 改为纵向排列：五行值在上，详情描述在下 */
    .power-row-body {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 12px;
    }

    .power-value {
        font-size: 1.4rem;
        letter-spacing: 2px;
        min-width: unset;
    }

    /* 详情描述：不再左侧竖线，改为上方横线 */
    .power-row-detail {
        border-left: none;
        border-top: 1px dashed var(--border);
        padding-left: 0;
        padding-top: 8px;
        width: 100%;
        font-size: 0.88rem;
        line-height: 1.7;
    }

    /* tabs 在手机端允许换行 */
    .tabs {
        gap: 8px;
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    /* 输入框最小宽度自适应 */
    .input-item {
        min-width: 140px;
    }
}