/* =========================================================================
   北欧符文模块样式
   ========================================================================= */

/* ---------- 元素色 ---------- */
.is-huo  { --ru-el: #dc2626; }
.is-tu   { --ru-el: #a16207; }
.is-feng { --ru-el: #0891b2; }
.is-shui { --ru-el: #2563eb; }

/* ---------- Aett 色（用于次要标识） ---------- */
.is-freyr    { --ru-aett: #7c3aed; }
.is-heimdall { --ru-aett: #0ea5e9; }
.is-tyr      { --ru-aett: #ea580c; }

/* ---------- 表单 ---------- */

.ru-form {
    padding: 18px;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    margin-bottom: 20px;
}
.ru-form-h2 {
    margin: 0 0 14px;
    font-size: 15px;
    font-weight: 700;
    color: var(--mn-primary, #0066cc);
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--mn-border-light, #f0f0f0);
}
.ru-form-h2 + .ru-form-h2 { margin-top: 20px; }

.ru-spread-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.ru-spread-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px;
    background: var(--mn-bg-card, #fff);
    border: 2px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    cursor: pointer;
    transition: all .2s;
}
.ru-spread-card:hover {
    border-color: var(--mn-primary, #0066cc);
    transform: translateY(-2px);
}
.ru-spread-card.is-active,
.ru-spread-card:has(input:checked) {
    border-color: var(--mn-primary, #0066cc);
    background: linear-gradient(135deg, var(--mn-primary-subtle, #e8f1fb) 0%, var(--mn-bg-card, #fff) 70%);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, .12);
}
.ru-spread-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.ru-spread-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--mn-text, #333);
    letter-spacing: 1px;
}
.ru-spread-count {
    font-size: 12px;
    color: var(--mn-primary, #0066cc);
    font-weight: 700;
}
.ru-spread-desc {
    font-size: 12px;
    color: var(--mn-text-muted, #888);
    line-height: 1.6;
}

.ru-question-row input {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--mn-text, #333);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 8px;
    background: var(--mn-bg-card, #fff);
    outline: none;
    box-sizing: border-box;
}
.ru-question-row input:focus { border-color: var(--mn-primary, #0066cc); }
.ru-question-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--mn-text-muted, #888);
}

.ru-form-actions {
    text-align: center;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px dashed var(--mn-border-light, #f0f0f0);
}
.ru-btn-draw {
    padding: 12px 32px !important;
    font-size: 15px !important;
    letter-spacing: 2px;
}

.ru-intro-list {
    padding-left: 22px;
    margin: 0 0 20px;
    font-size: 14px;
    line-height: 2;
    color: var(--mn-text, #333);
}
.ru-intro-list strong {
    color: var(--mn-primary, #0066cc);
    font-weight: 600;
    margin-right: 4px;
}

/* ---------- 首页：三大 Aett ---------- */

.ru-aett-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.ru-aett-card {
    padding: 16px 18px;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-top: 4px solid var(--ru-aett, #0066cc);
    border-radius: 10px;
}
.ru-aett-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--ru-aett, #333);
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.ru-aett-en {
    font-size: 12px;
    color: var(--mn-text-muted, #888);
    margin-bottom: 8px;
    font-style: italic;
}
.ru-aett-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--mn-text, #333);
}

/* ---------- 首页：24 符文速览 ---------- */

.ru-rune-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 24px;
}
.ru-rune-card {
    padding: 14px 10px;
    text-align: center;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-top: 3px solid var(--ru-el, #0066cc);
    border-radius: 10px;
    transition: all .2s;
}
.ru-rune-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
}
.ru-rune-symbol {
    font-size: 32px;
    line-height: 1;
    color: var(--ru-el, #333);
    margin-bottom: 6px;
    font-family: "Segoe UI Symbol", "Noto Sans Symbols", serif;
}
.ru-rune-name {
    font-size: 13px;
    font-weight: 800;
    color: var(--mn-text, #333);
    letter-spacing: .5px;
    margin-bottom: 2px;
}
.ru-rune-zh {
    font-size: 11px;
    color: var(--mn-text-muted, #888);
    margin-bottom: 4px;
}
.ru-rune-kw {
    font-size: 11px;
    color: var(--ru-el, #666);
    font-weight: 600;
}

/* ---------- 牌阵说明 ---------- */

.ru-spread-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.ru-spread-detail-item {
    padding: 14px 16px;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
}
.ru-spread-detail-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--mn-border-light, #f0f0f0);
}
.ru-spread-detail-name {
    font-size: 14px;
    font-weight: 800;
    color: var(--mn-primary, #0066cc);
}
.ru-spread-detail-count {
    font-size: 12px;
    color: var(--mn-text-muted, #888);
}
.ru-position-list {
    padding-left: 20px;
    margin: 0;
    font-size: 12px;
    line-height: 1.85;
    color: var(--mn-text-secondary, #666);
}
.ru-position-list strong {
    color: var(--mn-text, #333);
    font-weight: 700;
}

/* ---------- 结果：问题 ---------- */

.ru-question-show {
    padding: 12px 16px;
    margin-bottom: 20px;
    background: var(--mn-primary-subtle, #e8f1fb);
    border-left: 4px solid var(--mn-primary, #0066cc);
    border-radius: 8px;
    display: flex;
    gap: 12px;
    align-items: baseline;
    flex-wrap: wrap;
}
.ru-question-show-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--mn-primary, #0066cc);
    letter-spacing: 1px;
}
.ru-question-show-text {
    font-size: 14px;
    color: var(--mn-text, #333);
    font-weight: 500;
}

/* ---------- 符文展示 ---------- */

.ru-runes-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}
.ru-runes-count-1 { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
.ru-runes-count-3 { grid-template-columns: repeat(3, 1fr); }
.ru-runes-count-5 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.ru-runes-count-9 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

@media (max-width: 900px) {
    .ru-runes-count-3 { grid-template-columns: 1fr; }
}

/* 单个符文卡 */
.ru-rune-block {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 12px;
    overflow: hidden;
    transition: all .25s;
}
.ru-rune-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
}

/* 元素顶部色条 */
.ru-rune-block { border-top: 5px solid var(--ru-el, #0066cc); }

/* 逆位视觉（不旋转整块） */
.ru-rune-block.is-reversed {
    background: linear-gradient(180deg, rgba(107, 114, 128, .05) 0%, var(--mn-bg-card, #fff) 70%);
    border-style: dashed;
}
.ru-rune-block.is-reversed::after {
    content: '倒';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #6b7280;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    z-index: 1;
}
.ru-rune-block.is-reversed .ru-rune-symbol-big {
    opacity: .5;
    filter: grayscale(.6);
}

.ru-rune-pos {
    padding: 10px 14px;
    background: var(--mn-bg-page, #fafbfc);
    border-bottom: 1px solid var(--mn-border-light, #f0f0f0);
    padding-right: 42px;
}
.ru-rune-pos-name {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: var(--mn-primary, #0066cc);
    letter-spacing: 1.5px;
    margin-bottom: 2px;
}
.ru-rune-pos-desc {
    display: block;
    font-size: 11px;
    color: var(--mn-text-muted, #888);
}

.ru-rune-body {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 20px 16px;
}
.ru-rune-symbol-big {
    flex: 0 0 auto;
    font-size: 64px;
    line-height: 1;
    color: var(--ru-el, #333);
    font-family: "Segoe UI Symbol", "Noto Sans Symbols", serif;
    transition: opacity .2s, filter .2s;
}
.ru-rune-info { flex: 1; min-width: 0; }
.ru-rune-name-big {
    font-size: 20px;
    font-weight: 800;
    color: var(--mn-text, #333);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}
.ru-rune-rev {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 8px;
    border-radius: 8px;
    background: #6b7280;
    color: #fff;
    font-size: 10px;
    font-style: normal;
    font-weight: 700;
    vertical-align: middle;
}
.ru-rune-zh-big {
    font-size: 13px;
    color: var(--mn-text-muted, #888);
    margin-bottom: 4px;
}
.ru-rune-meta {
    font-size: 11px;
    color: var(--mn-text-muted, #888);
}

.ru-rune-interp {
    padding: 12px 14px;
    border-top: 1px dashed var(--mn-border-light, #f0f0f0);
}
.ru-rune-kw {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}
.ru-kw {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--ru-el, #0066cc);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    opacity: .85;
}
.ru-rune-block.is-reversed .ru-kw {
    background: #6b7280;
}
.ru-rune-text {
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--mn-text, #333);
}

/* ---------- 综合解读 ---------- */

.ru-summary {
    padding: 16px 20px;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.85;
    color: var(--mn-text, #333);
}
.ru-summary p { margin: 0 0 10px; }
.ru-summary p strong {
    color: var(--mn-primary, #0066cc);
    margin-right: 4px;
}
.ru-summary-list {
    padding-left: 22px;
    margin: 10px 0;
    list-style: disc;
}
.ru-summary-list li {
    margin-bottom: 6px;
    line-height: 1.7;
}
.ru-summary-pos {
    display: inline-block;
    min-width: 80px;
    font-weight: 700;
    color: var(--mn-primary, #0066cc);
    margin-right: 8px;
}
.ru-summary-rune {
    font-weight: 700;
    color: var(--mn-text, #333);
}
.ru-summary-note {
    margin-top: 12px !important;
    padding-top: 12px;
    border-top: 1px dashed var(--mn-border-light, #f0f0f0);
    font-size: 12px;
    color: var(--mn-text-muted, #888);
    line-height: 1.7;
}

/* ---------- 符文索引 ---------- */

.ru-index-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}
.ru-index-item {
    padding: 14px 16px;
    background: var(--mn-bg-card, #fff);
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    border-left: 4px solid var(--mn-primary, #0066cc);
}
.ru-index-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.ru-index-pos {
    padding: 1px 10px;
    border-radius: 8px;
    background: var(--mn-primary, #0066cc);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
}
.ru-index-symbol {
    font-size: 22px;
    color: var(--mn-text, #333);
    font-family: "Segoe UI Symbol", "Noto Sans Symbols", serif;
}
.ru-index-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--mn-text, #333);
    letter-spacing: 1px;
}
.ru-index-element {
    font-size: 11px;
    color: var(--mn-text-muted, #888);
}
.ru-index-text {
    font-size: 13px;
    line-height: 1.85;
    color: var(--mn-text-secondary, #666);
}

/* ---------- 底部说明 ---------- */

.ru-footnote {
    padding: 14px 18px;
    margin-bottom: 16px;
    background: var(--mn-bg-page, #fafbfc);
    border: 1px dashed var(--mn-border, #e5e7eb);
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.85;
    color: var(--mn-text-muted, #888);
    text-align: center;
}

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
    .ru-spread-grid { grid-template-columns: 1fr; }
    .ru-rune-grid { grid-template-columns: repeat(3, 1fr); }
    .ru-rune-card { padding: 10px 6px; }
    .ru-rune-symbol { font-size: 26px; }
    .ru-rune-name { font-size: 12px; }
    .ru-runes-count-1 { max-width: 100%; }
    .ru-runes-count-3 { grid-template-columns: 1fr; }
    .ru-runes-count-5 { grid-template-columns: 1fr; }
    .ru-runes-count-9 { grid-template-columns: 1fr; }
    .ru-rune-symbol-big { font-size: 48px; }
    .ru-rune-name-big { font-size: 17px; }
    .ru-summary-pos { min-width: auto; }
    .ru-aett-grid { grid-template-columns: 1fr; }
}