/* 亲戚计算器 - 样式 */

.rc-tool-card {
    padding: 0;
}

/* === Tab 切换 === */
.rc-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color, #e5e7eb);
    margin-bottom: 1.25rem;
    padding: 0 1.5rem;
    background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(244,114,182,0.05) 100%);
    border-radius: 12px 12px 0 0;
    border-bottom: none;
}

.rc-tab {
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    border: none;
    background: transparent;
    border-bottom: 3px solid transparent;
    transition: all 0.25s ease;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rc-tab:hover {
    color: var(--primary-color, #6366f1);
}

.rc-tab.active {
    color: var(--primary-color, #6366f1);
    border-bottom-color: var(--primary-color, #6366f1);
}

.rc-tab-content {
    display: none;
    padding: 1.5rem;
}

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

/* === 性别选择 === */
.rc-gender-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.rc-gender-label {
    font-weight: 600;
    color: var(--text-primary, #111827);
    font-size: 0.9rem;
}

.rc-gender-options {
    display: flex;
    gap: 0.75rem;
}

.rc-gender-option {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    background: var(--bg-white, #fff);
}

.rc-gender-option:hover {
    border-color: var(--primary-color, #6366f1);
}

.rc-gender-option input[type="radio"] {
    accent-color: var(--primary-color, #6366f1);
}

.rc-gender-option input[type="radio"]:checked + span {
    color: var(--primary-color, #6366f1);
    font-weight: 600;
}

/* === 路径构建器 === */
.rc-path-builder {
    background: var(--bg-white, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.rc-path-display {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(244,114,182,0.06));
    border-radius: 10px;
    min-height: 56px;
    margin-bottom: 1rem;
}

.rc-path-empty {
    color: var(--text-secondary, #6b7280);
    font-style: italic;
    font-size: 0.9rem;
}

.rc-path-node {
    padding: 0.35rem 0.85rem;
    border-radius: 16px;
    font-size: 0.88rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.rc-me {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    box-shadow: 0 2px 6px rgba(99,102,241,0.3);
}

.rc-node {
    background: var(--bg-white, #fff);
    color: var(--primary-color, #6366f1);
    border: 1.5px solid var(--primary-color, #6366f1);
}

.rc-path-arrow {
    color: var(--text-secondary, #6b7280);
    font-size: 0.9rem;
    opacity: 0.7;
}

.rc-op-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.rc-op-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 0.5rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    background: var(--bg-white, #fff);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    color: var(--text-primary, #111827);
    gap: 0.25rem;
}

.rc-op-btn:hover {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99,102,241,0.06);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(99,102,241,0.15);
}

.rc-op-btn .bi {
    font-size: 1.1rem;
    color: var(--primary-color, #6366f1);
}

.rc-op-btn.group-parent .bi { color: #ef4444; }
.rc-op-btn.group-sibling .bi { color: #f59e0b; }
.rc-op-btn.group-child .bi { color: #10b981; }
.rc-op-btn.group-spouse .bi { color: #ec4899; }

.rc-control-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.rc-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.rc-btn-primary {
    background: var(--primary-color, #6366f1);
    color: #fff;
}

.rc-btn-primary:hover {
    background: var(--primary-dark, #4f46e5);
}

.rc-btn-outline {
    background: transparent;
    border-color: var(--border-color, #e5e7eb);
    color: var(--text-primary, #111827);
}

.rc-btn-outline:hover {
    border-color: var(--danger-color, #ef4444);
    color: var(--danger-color, #ef4444);
}

.rc-btn-ghost {
    background: transparent;
    border-color: var(--border-color, #e5e7eb);
    color: var(--text-secondary, #6b7280);
}

.rc-btn-ghost:hover {
    color: var(--primary-color, #6366f1);
    border-color: var(--primary-color, #6366f1);
}

/* === 快捷按钮 === */
.rc-shortcuts {
    margin-bottom: 1rem;
}

.rc-shortcuts-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.rc-shortcut-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.rc-shortcut-btn {
    padding: 0.35rem 0.85rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(244,114,182,0.1));
    color: var(--primary-color, #6366f1);
    border: 1px solid rgba(99,102,241,0.25);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.rc-shortcut-btn:hover {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(244,114,182,0.2));
    transform: translateY(-1px);
}

/* === 结果区 === */
.rc-result {
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(244,114,182,0.08));
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.rc-result-empty {
    text-align: center;
    color: var(--text-secondary, #6b7280);
    padding: 2rem 1rem;
    font-style: italic;
    font-size: 0.9rem;
}

.rc-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.rc-result-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary, #111827);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rc-gen-badge {
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.rc-gen-up {
    background: #fef3c7;
    color: #b45309;
}

.rc-gen-down {
    background: #dbeafe;
    color: #1d4ed8;
}

.rc-gen-side {
    background: #d1fae5;
    color: #047857;
}

[data-theme="dark"] .rc-gen-up {
    background: rgba(251,191,36,0.15);
    color: #fbbf24;
}

[data-theme="dark"] .rc-gen-down {
    background: rgba(59,130,246,0.15);
    color: #60a5fa;
}

[data-theme="dark"] .rc-gen-side {
    background: rgba(16,185,129,0.15);
    color: #34d399;
}

.rc-formal-box {
    text-align: center;
    padding: 1.25rem;
    background: var(--bg-white, #fff);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.rc-formal-label {
    font-size: 0.78rem;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rc-formal-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color, #6366f1);
    margin: 0;
    line-height: 1.3;
}

.rc-formal-humor {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.25rem 0.7rem;
    background: linear-gradient(135deg, #fef08a, #fbcfe8);
    color: #7c3aed;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

[data-theme="dark"] .rc-formal-humor {
    background: linear-gradient(135deg, rgba(250,204,21,0.2), rgba(236,72,153,0.2));
    color: #c4b5fd;
}

.rc-oral-row {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-white, #fff);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.rc-oral-label {
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
}

.rc-oral-name {
    font-weight: 600;
    color: var(--text-primary, #111827);
    font-size: 1.05rem;
}

.rc-chain-row {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary, #6b7280);
}

.rc-chain-me {
    color: var(--primary-color, #6366f1);
    font-weight: 600;
}

.rc-chain-arrow {
    opacity: 0.5;
    font-size: 0.7rem;
}

.rc-result-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* === SVG 树 === */
.rc-svg-tree-wrap {
    background: var(--bg-white, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 0.75rem;
}

.rc-svg-tree {
    width: 100%;
    height: 160px;
    display: block;
}

/* === 反查 === */
.rc-reverse-input-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rc-reverse-input {
    flex: 1;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--bg-white, #fff);
    color: var(--text-primary, #111827);
}

.rc-reverse-input:focus {
    outline: none;
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.rc-reverse-result {
    min-height: 60px;
}

.rc-reverse-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-white, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
}

.rc-reverse-item:hover {
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 2px 6px rgba(99,102,241,0.1);
}

.rc-reverse-chain {
    font-size: 0.9rem;
    color: var(--text-primary, #111827);
    font-family: monospace;
}

.rc-reverse-use {
    background: transparent;
    border: none;
    color: var(--primary-color, #6366f1);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.rc-reverse-use:hover {
    background: rgba(99,102,241,0.1);
}

/* === 历史/收藏 === */
.rc-list-section {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .rc-list-section {
        grid-template-columns: 1fr;
    }
}

.rc-list-card {
    background: var(--bg-white, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    padding: 1rem;
}

.rc-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.rc-list-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.rc-list-title .bi {
    color: var(--primary-color, #6366f1);
}

.rc-list-clear {
    background: none;
    border: none;
    color: var(--text-secondary, #6b7280);
    font-size: 0.78rem;
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.rc-list-clear:hover {
    color: var(--danger-color, #ef4444);
    background: rgba(239,68,68,0.08);
}

.rc-list-container {
    max-height: 300px;
    overflow-y: auto;
}

.rc-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
    gap: 0.5rem;
}

.rc-list-item:hover {
    background: rgba(99,102,241,0.06);
}

.rc-list-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.rc-list-formal {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-primary, #111827);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rc-list-chain {
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rc-list-del {
    background: transparent;
    border: none;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.rc-list-del:hover {
    color: var(--danger-color, #ef4444);
    background: rgba(239,68,68,0.1);
}

.rc-empty {
    text-align: center;
    color: var(--text-secondary, #6b7280);
    font-style: italic;
    padding: 1rem;
    font-size: 0.85rem;
}

/* === 收藏按钮激活态 === */
#favoriteBtn.active {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #fff;
    border-color: #f59e0b;
}

/* === Footer 科普 === */
.rc-glossary {
    margin-top: 1rem;
}

.rc-glossary-item {
    background: var(--bg-white, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}

.rc-glossary-item h3 {
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-color, #6366f1);
}

.rc-glossary-item p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-secondary, #6b7280);
    line-height: 1.6;
}

/* === 深色主题适配 === */
[data-theme="dark"] .rc-path-builder,
[data-theme="dark"] .rc-op-btn,
[data-theme="dark"] .rc-reverse-input,
[data-theme="dark"] .rc-result-empty {
    background: var(--bg-dark-card, #1f2937);
    border-color: var(--border-color-dark, #374151);
}

[data-theme="dark"] .rc-reverse-item,
[data-theme="dark"] .rc-list-card,
[data-theme="dark"] .rc-glossary-item {
    background: var(--bg-dark-card, #1f2937);
    border-color: var(--border-color-dark, #374151);
}

[data-theme="dark"] .rc-formal-box,
[data-theme="dark"] .rc-oral-row {
    background: var(--bg-dark-card, #1f2937);
}

[data-theme="dark"] .rc-svg-tree-wrap {
    background: var(--bg-dark-card, #1f2937);
    border-color: var(--border-color-dark, #374151);
}

[data-theme="dark"] .rc-gender-option {
    background: var(--bg-dark-card, #1f2937);
    border-color: var(--border-color-dark, #374151);
    color: var(--text-primary-dark, #f9fafb);
}

[data-theme="dark"] .rc-list-item:hover {
    background: rgba(139,92,246,0.1);
}

[data-theme="dark"] .rc-path-display {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(244,114,182,0.15));
}

/* === 响应式 === */
@media (max-width: 480px) {
    .rc-op-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    .rc-formal-name {
        font-size: 1.4rem;
    }
    .rc-tab {
        padding: 0.7rem 0.9rem;
        font-size: 0.88rem;
    }
}