/* ============================================================
 * syntax-card.css
 * 2026-09-28 抽出：句选详情页 (/sentence-pick/detail/{id})
 *               + 独立分析页 (/syntax)
 *   两个页面共用一套语法可视化 UI —— 颜色变量、树节点、短语块、
 *   从句块、SVG 折线、工具栏、SVO 摘要条全部在此文件。
 *   命名约定：所有类名不带页面前缀，直接 .syntax-card / .syntax-tree / ...
 *   引用方式：<link rel="stylesheet" href="/css/syntax-card.css">
 * ============================================================ */

/* ====== 卡片壳 ====== */
.syntax-card {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    padding: 22px 26px;
    margin-bottom: 16px;
}
.syntax-card .syntax-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid #f1f5f9;
}
.syntax-card .syntax-card-title { font-size: 16px; font-weight: 700; color: #0f172a; }
.syntax-card .syntax-card-body  { margin-top: 8px; }
.syntax-card .syntax-card-empty { color: #94a3b8; font-size: 13px; padding: 24px 0; text-align: center; }
.syntax-card .syntax-card-trigger {
    display: inline-flex; align-items: center; gap: 6px;
    background: #12b466; color: #fff; border: none; border-radius: 8px;
    padding: 8px 18px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.syntax-card .syntax-card-trigger:disabled { background: #cbd5e1; cursor: not-allowed; }

/* ====== 颜色变量（角色配色） ====== */
.syntax-card {
    --color-subject:  #10b981;
    --color-verb:     #6366f1;
    --color-object:   #ec4899;
    --color-adv:      #f59e0b;
    --color-modifier: #0ea5e9;
    --color-pp:       #8b5cf6;
    --color-clause:   #6b7280;
    --color-prt:      #a3e635;
    --color-adj:      #06b6d4;
    --color-conj:     #f97316;
    --color-wh:       #eab308;
    --color-do:       #0ea5e9;
}

/* ====== 树容器 + 树本体 ====== */
/* 2026-09-28 用户反馈：详情页扩到 1200px 后，关闭树容器横滚 + 树本身改 flex-wrap，
   让"列"自然换行；每个句子能在一屏内看完整，不再拖动。
   overflow: visible 保留是为了 SVG 兄弟节点不被裁切。 */
.syntax-card .tree-container {
    display: flex; justify-content: flex-start;
    padding: 16px 0;
    overflow-x: visible;
    min-width: 100%;
    flex-wrap: wrap;
}
.syntax-card .syntax-tree {
    display: flex; flex-wrap: wrap; flex-direction: row;
    align-items: flex-start; gap: 24px;
    position: relative; min-width: 0;
}

/* SVG 折线层：
   父级 position:relative + flex-wrap 后高度由 col 撑高；
   absolute 子元素 width:100% / height:100% 在父级有显式高度时正常工作，
   但因 flex-wrap 后高度是 auto，需配合 JS 显式 setAttribute('width'/'height') 撑开画布。
   overflow: visible 防止换行后路径被父容器裁掉。 */
.syntax-card .syntax-tree svg.role-lines {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
    overflow: visible;
}

/* ====== 角色列（主谓宾定状补 / 状语） ====== */
.syntax-card .role-column {
    display: inline-flex; flex-direction: column;
    align-items: center; gap: 10px;
    position: relative; z-index: 1;
    min-width: 48px; padding-top: 32px; flex-shrink: 0;
}
.syntax-card .role-label {
    position: absolute; top: 0; left: 50%;
    transform: translateX(-50%);
    font-size: 11px; font-weight: 700; color: white;
    padding: 3px 10px; border-radius: 4px;
    white-space: nowrap; z-index: 2;
}
.syntax-card .role-column.subject    .role-label { background: var(--color-subject); }
.syntax-card .role-column.predicate  .role-label { background: var(--color-verb); }
.syntax-card .role-column.object     .role-label { background: var(--color-object); }
.syntax-card .role-column.complement .role-label { background: var(--color-adj); }
.syntax-card .role-column.adverbial  .role-label { background: var(--color-adv); }
.syntax-card .role-column.clause     .role-label { background: var(--color-clause); }

/* ====== 角色内容块 ====== */
.syntax-card .role-content {
    display: inline-flex; flex-direction: row; align-items: center;
    gap: 4px; padding: 8px; border-radius: 10px;
    background: #fafafa; border: 1px solid #f0f0f0;
    flex-wrap: nowrap;
}

/* ====== 叶子节点（按 pos 染色） ====== */
.syntax-card .tree-leaf {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 5px 10px; border-radius: 6px;
    background: #fff; color: #1f2937; font-size: 13px;
    min-height: 28px; border: 1px solid #e5e7eb;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    white-space: nowrap; flex-shrink: 0;
}
.syntax-card .tree-leaf[data-pos^="VB"],
.syntax-card .tree-leaf[data-pos^="VBG"],
.syntax-card .tree-leaf[data-pos^="VBN"] { background: #ede9fe; color: var(--color-verb); border-color: var(--color-verb); font-weight: 600; }
.syntax-card .tree-leaf[data-pos="NN"],
.syntax-card .tree-leaf[data-pos="NNS"]   { background: #d1fae5; color: var(--color-subject); border-color: var(--color-subject); font-weight: 600; }
.syntax-card .tree-leaf[data-pos="NNP"],
.syntax-card .tree-leaf[data-pos="NNPS"]  { background: #fef3c7; color: #92400e; border-color: #f59e0b; }
.syntax-card .tree-leaf[data-pos^="JJ"]  { background: #cffafe; color: var(--color-adj); border-color: var(--color-adj); }
.syntax-card .tree-leaf[data-pos^="RB"]  { background: #fed7aa; color: var(--color-adv); border-color: var(--color-adv); }
.syntax-card .tree-leaf[data-pos="IN"]   { background: #f3e8ff; color: var(--color-pp); border-color: var(--color-pp); font-weight: 600; }
.syntax-card .tree-leaf[data-pos="DT"]   { background: #f3f4f6; color: #6b7280; border-style: dashed; }
.syntax-card .tree-leaf[data-pos="RP"]   { background: #ecfccb; color: var(--color-prt); border-color: var(--color-prt); }
.syntax-card .tree-leaf[data-pos="MD"]   { background: #ffedd5; color: #ea580c; }
.syntax-card .tree-leaf[data-pos="CC"]   { background: #fce7f3; color: var(--color-object); border-color: var(--color-object); font-weight: 600; }

/* ====== 短语块（NP / VP / PP / AdjP / Doing / Sth 等） ====== */
.syntax-card .phrase-block {
    display: inline-flex; flex-direction: row; align-items: center;
    position: relative; padding: 10px 8px 6px;
    border-radius: 8px; background: #fafafa;
    border: 1px solid #e5e7eb; gap: 3px;
    flex-wrap: nowrap; flex-shrink: 0;
}
.syntax-card .phrase-tag {
    position: absolute; top: -8px; left: 8px;
    font-size: 10px; font-weight: 700; color: white;
    padding: 1px 6px; border-radius: 3px;
    z-index: 2; white-space: nowrap;
}
.syntax-card .phrase-block.adj,
.syntax-card .phrase-block.adjp { border-color: #a5f3fc; background: #ecfeff; }
.syntax-card .phrase-block.adj .phrase-tag,
.syntax-card .phrase-block.adjp .phrase-tag { background: var(--color-adj); }
.syntax-card .phrase-block.pp   { border-color: #e9d5ff; background: #faf5ff; }
.syntax-card .phrase-block.pp .phrase-tag { background: var(--color-pp); }
.syntax-card .phrase-block.np   { border-color: #e5e7eb; background: #f9fafb; }
.syntax-card .phrase-block.np .phrase-tag { background: #9ca3af; }
.syntax-card .phrase-block.vp   { border-color: #ddd6fe; background: #f5f3ff; }
.syntax-card .phrase-block.vp .phrase-tag { background: var(--color-verb); }
.syntax-card .phrase-block.doing { border-color: #ddd6fe; background: #f5f3ff; }
.syntax-card .phrase-block.doing .phrase-tag { background: var(--color-verb); }
.syntax-card .phrase-block.sth  { border-color: #fed7aa; background: #fffbeb; }
.syntax-card .phrase-block.sth .phrase-tag { background: var(--color-adv); }

/* ====== 从句块（虚线边框 + 顶部 TAG） ====== */
.syntax-card .clause-block {
    display: inline-flex; flex-direction: row; align-items: center;
    padding: 14px 10px 8px;
    border-radius: 10px; border: 2px dashed #d1d5db;
    background: #f9fafb; position: relative; gap: 4px;
    min-width: 100px; flex-wrap: nowrap; flex-shrink: 0;
}
.syntax-card .clause-tag {
    position: absolute; top: -10px; left: 10px;
    font-size: 11px; font-weight: 700; color: #fff;
    padding: 2px 8px; border-radius: 4px;
    background: var(--color-clause); z-index: 2; white-space: nowrap;
}
.syntax-card .clause-tree {
    display: inline-flex; flex-direction: row; align-items: flex-start;
    gap: 10px; position: relative; padding: 0 4px;
    min-width: min-content;
}
.syntax-card .clause-tree svg.role-lines {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
}
.syntax-card .clause-tree .role-column  { padding-top: 26px; gap: 6px; }
.syntax-card .clause-tree .role-label    { font-size: 10px; padding: 2px 6px; }
.syntax-card .clause-tree .role-content  { padding: 5px; gap: 3px; }
.syntax-card .clause-conj                { display: inline-flex; align-items: center; margin-right: 4px; }

/* 主句→从句 的虚线桥（箭头） */
.syntax-card .dashed-bridge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 2px; border-top: 2px dashed #9ca3af;
    position: relative; margin: 0 2px; align-self: center; flex-shrink: 0;
}
.syntax-card .dashed-bridge::after {
    content: ''; position: absolute; right: -4px; top: -4px;
    width: 0; height: 0;
    border-left: 6px solid #9ca3af;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

/* ====== 主谓宾定状补摘要条（SVO summary） ====== */
.syntax-card .svo-summary {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border: 1px solid #10b981;
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-wrap: wrap; gap: 16px 20px;
    width: 100%; box-sizing: border-box;
}
.syntax-card .svo-item   { font-size: 14px; }
.syntax-card .svo-label  { color: #6b7280; font-weight: 500; margin-right: 4px; }
.syntax-card .svo-value  { font-weight: 600; color: #1f2937; }
.syntax-card .svo-value.subject    { color: var(--color-subject); }
.syntax-card .svo-value.verb       { color: var(--color-verb); }
.syntax-card .svo-value.object     { color: var(--color-object); }
.syntax-card .svo-value.attribute  { color: var(--color-modifier); }
.syntax-card .svo-value.adverbial  { color: var(--color-adv); }
.syntax-card .svo-value.complement { color: var(--color-adj); }

/* ====== 工具栏（toggle 显示成分划分 / 简化节点） ====== */
.syntax-card .syntax-toolbar {
    background: #fff; border: 1px solid #e5e7eb;
    border-radius: 8px; padding: 8px 12px;
    margin-bottom: 12px;
    display: flex; align-items: center; gap: 16px;
}
.syntax-card .syntax-toolbar label {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; color: #4b5563; cursor: pointer;
}
.syntax-card .syntax-toolbar input[type="checkbox"] {
    accent-color: #10b981; width: 13px; height: 13px;
}

/* ====== 工具栏开关控制（hide-roles / hide-simple-tags） ====== */
.syntax-card .syntax-tree.hide-roles .role-label,
.syntax-card .clause-tree.hide-roles .role-label { display: none; }
.syntax-card .syntax-tree.hide-roles svg.role-lines,
.syntax-card .clause-tree.hide-roles svg.role-lines { display: none; }
.syntax-card .syntax-tree.hide-roles .role-column,
.syntax-card .clause-tree.hide-roles .role-column { padding-top: 0; }

.syntax-card .syntax-tree.hide-simple-tags .phrase-tag,
.syntax-card .clause-tree.hide-simple-tags .phrase-tag,
.syntax-card .syntax-tree.hide-simple-tags .clause-tag,
.syntax-card .clause-tree.hide-simple-tags .clause-tag { display: none; }