/* 张氏家谱 — 宣纸/墨色中式风 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --paper: #f6f1e4;
  --paper2: #efe8d5;
  --ink: #2b2a26;
  --ink-soft: #6b655a;
  --cinnabar: #a03c3c;
  --cinnabar-dark: #7e2f2f;
  --line: #d8cfb8;
  --card: #fffdf6;
}

body {
  font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  background: var(--paper);
  color: var(--ink);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── 顶栏 ── */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 28px;
  background: linear-gradient(180deg, #faf6ea, var(--paper2));
  border-bottom: 2px solid var(--line);
}
.brand { font-size: 22px; font-weight: 700; letter-spacing: 4px; display: flex; align-items: center; gap: 10px; }
.seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 6px;
  background: var(--cinnabar); color: #fff; font-size: 18px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.35);
}
.tabs { display: flex; gap: 6px; margin-left: 20px; }
.tab {
  border: 1px solid var(--line); background: transparent; color: var(--ink-soft);
  padding: 7px 22px; border-radius: 4px; font-size: 15px; letter-spacing: 2px;
  cursor: pointer; font-family: inherit; transition: all .15s;
}
.tab:hover { color: var(--ink); border-color: var(--ink-soft); }
.tab.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.view { display: none; flex: 1; min-height: 0; }
.view.active { display: flex; }

/* ── 问答 ── */
#view-chat { justify-content: center; }
.chat-wrap { width: min(860px, 94vw); display: flex; flex-direction: column; height: 100%; padding: 18px 0 14px; }
.chat-box { flex: 1; overflow-y: auto; padding: 8px 4px 28px; scroll-behavior: smooth; }
.msg { display: flex; margin: 12px 4px; }
.msg.user { justify-content: flex-end; }
.bubble {
  max-width: 78%; padding: 12px 16px; border-radius: 10px; line-height: 1.75;
  font-size: 15px; white-space: pre-wrap; word-break: break-word;
}
.msg.ai .bubble { background: var(--card); border: 1px solid var(--line); border-radius: 4px 14px 14px 14px; }
.msg.user .bubble { background: var(--ink); color: var(--paper); border-radius: 14px 4px 14px 14px; }
.bubble img { max-width: 46%; border-radius: 6px; margin: 8px 10px 4px 0; border: 1px solid var(--line); display: inline-block; vertical-align: top; }
.bubble .refs { display: block; margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line); color: var(--ink-soft); font-size: 13px; }
.bubble .refs img { max-width: 120px; margin: 6px 8px 0 0; }

.chat-input { display: flex; gap: 10px; padding-top: 12px; border-top: 2px solid var(--line); }
.chat-input input {
  flex: 1; padding: 12px 16px; font-size: 15px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); outline: none;
}
.chat-input input:focus { border-color: var(--ink-soft); }
.chat-input button {
  padding: 0 30px; font-size: 15px; letter-spacing: 3px; font-family: inherit; cursor: pointer;
  background: var(--cinnabar); color: #fff; border: none; border-radius: 6px;
}
.chat-input button:hover { background: var(--cinnabar-dark); }
.chat-input button:disabled { opacity: .5; cursor: default; }

/* ── 登录 ── */
#view-family { justify-content: center; align-items: center; }
.login-card {
  width: 340px; background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 34px 30px; text-align: center; box-shadow: 0 8px 30px rgba(60,50,20,.08);
}
.login-card h2 { letter-spacing: 6px; margin-bottom: 6px; }
.hint { color: var(--ink-soft); font-size: 13px; margin-bottom: 16px; }
.login-card input {
  width: 100%; padding: 11px 12px; font-size: 15px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: var(--paper); outline: none;
}
.login-card button {
  width: 100%; margin-top: 14px; padding: 11px; letter-spacing: 6px; font-size: 15px; font-family: inherit;
  background: var(--ink); color: var(--paper); border: none; border-radius: 6px; cursor: pointer;
}
.login-card button:hover { opacity: .88; }
.err { color: var(--cinnabar); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ── 族谱维护 ── */
/* #view-family 的 align-items:center 仅为登录卡片居中；面板必须撑满，否则被居中后上下溢出 */
.family-panel { flex: 1; align-self: stretch; display: flex; flex-direction: column; width: 100%; min-height: 0; }
.toolbar {
  display: flex; align-items: center; gap: 10px; padding: 8px 20px;
  border-bottom: 1px solid var(--line); background: var(--paper2);
}
.stats { color: var(--ink-soft); font-size: 13px; }
.spacer { flex: 1; }
.btn {
  padding: 7px 16px; font-size: 13px; font-family: inherit; cursor: pointer; letter-spacing: 1px;
  background: var(--cinnabar); color: #fff; border: none; border-radius: 5px;
}
.btn:hover { background: var(--cinnabar-dark); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--ink-soft); background: var(--card); }
.btn.danger { background: transparent; color: var(--cinnabar); border: 1px solid var(--cinnabar); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.family-main { flex: 1; display: flex; min-height: 0; }
.tree-scroll { flex: 1; overflow: auto; padding: 10px 0 30px; }
.tree-root { min-width: 720px; padding: 0 22px; }

/* 树表：一行一人，世代缩进
   注意：sticky 表头必须用 border-collapse:separate（Chromium 下 collapse 会导致表头/整表错位） */
.tree-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card); }
.tree-table thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--paper2); color: var(--ink-soft); font-weight: 600;
  font-size: 13px; letter-spacing: 2px; text-align: left;
  padding: 9px 12px; border-bottom: 2px solid var(--line);
}
.tree-table td {
  padding: 6px 12px; border-bottom: 1px solid #eee7d3; font-size: 14px;
  white-space: nowrap; vertical-align: middle;
}
.trow { cursor: pointer; transition: background .1s; }
.trow:hover { background: #faf5e6; }
.trow.selected { background: #f6e9dd; box-shadow: inset 3px 0 0 var(--cinnabar); }
.trow.spouse-row td { color: var(--ink-soft); background: #fbf8ef; }
.trow.spouse-row .c-name { border-left: 2px dashed var(--line); }
.c-dob, .c-sex, .c-career, .c-id { color: var(--ink-soft); }
.c-career { max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.tavatar {
  width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex: none;
  border: 2px solid var(--line); background: var(--paper2);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--ink-soft); overflow: hidden;
  vertical-align: middle; margin-right: 9px;
}
.tavatar.male { border-color: #9db4c8; }
.tavatar.female { border-color: #c8a1a1; }
.name-cell { display: flex; align-items: center; }
.tname { font-weight: 600; margin-right: 8px; }
.gen-badge, .spouse-badge {
  font-size: 11px; padding: 1px 7px; border-radius: 3px; flex: none; letter-spacing: 1px;
}
.gen-badge { color: var(--ink-soft); border: 1px solid var(--line); background: var(--paper); }
.spouse-badge { color: var(--cinnabar); border: 1px dashed var(--cinnabar); }
.spouse-link { color: #b9ad8f; margin-right: 6px; font-size: 13px; }
.indent { display: inline-block; flex: none; }

/* 折叠/展开钮 */
.toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-right: 6px; flex: none;
  border: 1px solid var(--line); border-radius: 4px;
  background: var(--paper); color: var(--ink-soft);
  font-size: 11px; line-height: 1; cursor: pointer; user-select: none;
}
.toggle:hover { border-color: var(--ink-soft); color: var(--ink); background: var(--card); }
.toggle.off { visibility: hidden; }  /* 占位对齐：无后代/配偶行 */
.hcount {
  font-size: 11px; color: var(--cinnabar); margin-left: 6px; flex: none;
  border: 1px dashed var(--cinnabar); border-radius: 8px; padding: 0 6px;
}

/* 详情侧栏 */
.detail {
  width: 300px; border-left: 1px solid var(--line); background: var(--card);
  padding: 20px; overflow-y: auto; flex: none;
}
.detail h3 { letter-spacing: 2px; margin-bottom: 4px; }
.detail .d-id { color: var(--ink-soft); font-size: 12px; margin-bottom: 14px; }
.detail .photo-box { text-align: center; margin-bottom: 14px; }
.detail .photo-box img {
  width: 170px; height: 170px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line);
}
.detail .photo-box .no-photo {
  width: 170px; height: 170px; margin: 0 auto; border-radius: 8px; border: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: center; color: var(--ink-soft); font-size: 13px;
  background: var(--paper);
}
.detail label { display: block; font-size: 13px; color: var(--ink-soft); margin: 10px 0 4px; }
.detail input, .detail textarea, .detail select {
  width: 100%; padding: 8px 10px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 5px; background: var(--paper); color: var(--ink); outline: none;
}
.detail textarea { resize: vertical; min-height: 60px; }
.detail .btn { margin-top: 14px; width: 100%; }
.detail .btn.ghost { margin-top: 8px; }
.detail .row2 { display: flex; gap: 8px; }
.detail .row2 .btn { flex: 1; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(40,35,20,.45); z-index: 50;
  display: flex; align-items: center; justify-content: center;
}
.modal {
  width: 380px; background: var(--card); border-radius: 10px; padding: 26px 26px 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal h3 { letter-spacing: 3px; margin-bottom: 14px; }
.modal label { display: block; font-size: 13px; color: var(--ink-soft); margin: 10px 0 4px; }
.modal label i { color: var(--cinnabar); font-style: normal; }
.modal input, .modal select {
  width: 100%; padding: 9px 10px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 5px; background: var(--paper); outline: none;
}
.modal-btns { display: flex; gap: 10px; margin-top: 20px; }
.modal-btns .btn { flex: 1; padding: 10px; }

@media (max-width: 900px) {
  .family-main { flex-direction: column; }
  .detail { width: auto; border-left: none; border-top: 1px solid var(--line); }
}