/* fusion-diagrams — 聚变模拟软件图集样式 */
:root {
  --bg: #f6f8fc;
  --panel: #ffffff;
  --ink: #19212e;
  --muted: #5a6678;
  --line: #e2e8f2;
  --accent: #1f3864;
  --accent2: #2e75b6;
  --accent-soft: #eaf1fb;
  --shadow: 0 1px 3px rgba(20, 30, 50, .06), 0 6px 18px rgba(20, 30, 50, .06);
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}
body.modal-open { overflow: hidden; }
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: .65rem 1.2rem;
  background: var(--accent); color: #fff;
}
.product-mark { color: #fff; font-weight: 700; font-size: 1.05rem; display: inline-flex; gap: .4rem; align-items: baseline; }
.product-mark span { font-weight: 400; opacity: .85; font-size: .85rem; }
.site-nav { display: flex; gap: 1rem; }
.site-nav a { color: #fff; opacity: .9; font-size: .9rem; }

/* intro */
.intro { padding: 1.4rem 1.2rem .4rem; max-width: 1400px; margin: 0 auto; }
.intro h1 { margin: 0 0 .3rem; font-size: 1.45rem; color: var(--accent); }
.intro p { margin: 0; color: var(--muted); max-width: 78ch; }
.intro .stats { margin-top: .5rem; font-size: .85rem; color: var(--muted); }
.intro .stats b, .intro p b { color: var(--accent2); }

/* —— 软件图谱入口（独立于软件聚合，不计入 software-count）—— */
.cta-atlas {
  display: flex; align-items: center; gap: .7rem;
  max-width: 1400px; margin: .9rem auto 0; padding: .8rem 1.1rem;
  background: linear-gradient(90deg, var(--accent-soft), #fff);
  border: 1px solid var(--accent2); border-radius: var(--radius);
  text-decoration: none; color: var(--ink); transition: .14s;
}
.cta-atlas:hover { box-shadow: 0 4px 12px rgba(20, 30, 50, .12); border-color: var(--accent); }
.cta-atlas b { color: var(--accent); font-size: 1.02rem; white-space: nowrap; }
.cta-atlas span { font-size: .85rem; color: var(--muted); line-height: 1.6; }
.cta-atlas em { margin-left: auto; font-style: normal; color: var(--accent2); font-weight: 700; }

/* —— 软件标签平铺 —— */
.tabs { max-width: 1400px; margin: 0 auto; padding: 1.1rem 1.2rem 1.5rem; }
.soft-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: .85rem;
}
.soft-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: .14s;
}
.soft-card:hover { border-color: var(--accent2); box-shadow: 0 4px 12px rgba(20, 30, 50, .12); }
.soft-main {
  display: flex; flex-direction: column; align-items: flex-start; gap: .3rem;
  font: inherit; text-align: left; cursor: pointer; background: none; border: none;
  padding: .85rem .9rem 0;
}
.soft-name { font-size: 1.02rem; font-weight: 700; color: var(--accent); }
.soft-meta { font-size: .78rem; color: var(--muted); }
.soft-links { display: flex; gap: .45rem; flex-wrap: wrap; padding: .5rem .9rem .8rem; }
.soft-hub, .soft-manual, .soft-deepwiki {
  font-size: .74rem; border-radius: 999px; padding: .12rem .6rem;
  border: 1px solid var(--line); color: var(--muted);
}
.soft-hub:hover, .soft-manual:hover, .soft-deepwiki:hover { text-decoration: none; }
.soft-hub:hover { color: var(--accent2); border-color: var(--accent2); }
.soft-manual { color: var(--accent); border-color: var(--accent2); background: var(--accent-soft); }
.soft-manual:hover { background: #dce9f8; }
.soft-deepwiki { color: #6b46a3; border-color: #c4b5dc; background: #f3eff9; }
.soft-deepwiki:hover { background: #e6dcf2; border-color: #8a5cd0; }

/* —— 软件图谱标签卡（跳转 atlas.html）—— */
.soft-card-atlas {
  text-decoration: none;
  border-color: var(--accent2);
  background: linear-gradient(180deg, var(--accent-soft), var(--panel));
}
.soft-card-atlas .soft-name { color: var(--accent2); }
.soft-card-atlas .soft-manual { background: transparent; }

/* —— 标签 —— */
.tag { font-style: normal; font-size: .7rem; padding: .1rem .46rem; border-radius: 4px; background: #eef0f4; color: #4a5568; }
.tag-type { color: #fff; }
.tag-mindmap { background: #7030a0; }
.tag-component { background: #548235; }
.tag-activity { background: #2e75b6; }
.tag-sequence { background: #c55a11; }
.ev-code { background: #e6f4ea; color: #1e6b3a; }
.ev-concept { background: #fdf0e2; color: #8a4411; }
.ev-review { background: #eef0f4; color: #4a5568; }
.ev-doc { background: #e8f0fe; color: #1a4a8a; }

/* —— 软件弹窗 —— */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(12, 18, 28, .62);
  display: none; align-items: center; justify-content: center; padding: 1.2rem;
}
.modal.is-open { display: flex; }
.modal-panel {
  background: var(--panel); border-radius: var(--radius);
  max-width: min(900px, 96vw); max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
  width: 100%;
}
.modal-head {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  padding: .85rem 1.1rem .6rem; border-bottom: 1px solid var(--line);
}
.modal-title { margin: 0; font-size: 1.15rem; color: var(--accent); }
.modal-count { font-size: .78rem; color: var(--muted); }
.modal-hub { margin-left: auto; font-size: .8rem; }
.modal-hub.is-hidden { display: none; }
.modal-deepwiki { font-size: .8rem; }
.modal-deepwiki.is-hidden { display: none; }
.modal-close {
  font: inherit; font-size: 1.15rem; line-height: 1;
  color: var(--muted); background: none; border: 1px solid var(--line);
  border-radius: 7px; width: 2rem; height: 2rem; cursor: pointer;
}
.modal-close:hover { color: var(--accent2); border-color: var(--accent2); }
.modal-body {
  flex: 1; overflow-y: auto; padding: .6rem 1.1rem;
  display: flex; flex-direction: column; gap: .55rem;
}
.modal-foot {
  padding: .55rem 1.1rem; border-top: 1px solid var(--line);
  font-size: .76rem; color: var(--muted); background: #fafbfd;
}

/* 弹窗内 diagram 标签页 */
.diag-tab {
  display: flex; align-items: center; gap: .85rem; width: 100%;
  font: inherit; text-align: left; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); border-radius: 9px;
  padding: .55rem .7rem; transition: .12s;
}
.diag-tab:hover { border-color: var(--accent2); background: var(--accent-soft); }
.diag-thumb {
  flex: 0 0 auto; width: 128px; height: 76px; object-fit: contain;
  background: #fbfcfe; border: 1px solid var(--line); border-radius: 6px;
}
.diag-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .25rem; }
.diag-title { font-weight: 600; font-size: .92rem; color: var(--accent); }
.diag-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.diag-desc {
  font-size: .8rem; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.diag-go { flex: 0 0 auto; color: var(--accent2); font-size: 1rem; }

footer {
  padding: 1.2rem; text-align: center; color: var(--muted);
  font-size: .8rem; border-top: 1px solid var(--line); margin-top: 1rem;
}

@media (max-width: 860px) {
  .soft-grid { grid-template-columns: 1fr 1fr; }
  .modal-panel { max-height: 92vh; }
}
@media (max-width: 560px) {
  .soft-grid { grid-template-columns: 1fr; }
  .diag-thumb { width: 96px; height: 60px; }
}