/* ============ 赢万家门户设计系统 v1 ============
   明暗双主题 / 左对话+右聚合面板 / 原生CSS无构建链 */

:root {
  --bg: #f4f6fa;          --bg-card: #ffffff;     --bg-soft: #eef1f7;
  --text: #1f2937;        --text-dim: #6b7280;    --border: #e5e7eb;
  --primary: #2563eb;     --primary-dim: #dbeafe; --accent: #0891b2;
  --ok: #059669;          --warn: #d97706;        --danger: #dc2626;
  --shadow: 0 1px 3px rgba(0,0,0,.08);            --radius: 12px;
}
[data-theme="dark"] {
  --bg: #0f172a;          --bg-card: #1e293b;     --bg-soft: #172033;
  --text: #e2e8f0;        --text-dim: #94a3b8;    --border: #334155;
  --primary: #3b82f6;     --primary-dim: #1e3a8a; --accent: #22d3ee;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶部导航 ---------- */
.navbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 18px;
  padding: 0 20px; height: 54px; background: var(--bg-card);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
}
.logo { font-weight: 700; font-size: 17px; color: var(--primary); white-space: nowrap; }
.nav-links { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav-links a {
  padding: 6px 12px; border-radius: 8px; color: var(--text-dim); font-size: 14px; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { background: var(--primary-dim); color: var(--primary); text-decoration: none; }
#themeToggle {
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer; font-size: 16px;
}

/* ---------- 主布局：左对话 + 右面板 ---------- */
.home-layout { display: flex; height: calc(100vh - 54px); overflow: hidden; }
.chat-pane {
  width: 380px; min-width: 320px; display: flex; flex-direction: column;
  border-right: 1px solid var(--border); background: var(--bg-card); transition: margin .25s;
}
.home-layout.collapsed .chat-pane { margin-left: -380px; }
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 600;
}
.chat-mode { font-size: 12px; padding: 2px 8px; border-radius: 20px; background: var(--bg-soft); color: var(--text-dim); }
.chat-msgs { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 92%; padding: 9px 13px; border-radius: 14px; font-size: 14px; word-break: break-word; }
.msg.user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; white-space: pre-wrap; }
.msg.ai { align-self: flex-start; background: var(--bg-soft); border-bottom-left-radius: 4px; }
.msg.ai a { color: var(--primary); }
/* markdown 正文 */
.msg.ai .md > :first-child { margin-top: 0; }
.msg.ai .md > :last-child { margin-bottom: 0; }
.msg.ai p { margin: 0 0 8px; }
.msg.ai ul, .msg.ai ol { margin: 0 0 8px; padding-left: 20px; }
.msg.ai li { margin: 2px 0; }
.msg.ai h1, .msg.ai h2, .msg.ai h3, .msg.ai h4 { margin: 10px 0 6px; font-size: 14px; }
.msg.ai code { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; font-size: 13px; }
.msg.ai pre { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; overflow-x: auto; margin: 0 0 8px; }
.msg.ai pre code { background: none; border: none; padding: 0; }
.msg.ai table { border-collapse: collapse; margin: 0 0 8px; font-size: 13px; }
.msg.ai th, .msg.ai td { border: 1px solid var(--border); padding: 4px 8px; }
.msg.ai blockquote { margin: 0 0 8px; padding: 2px 10px; border-left: 3px solid var(--primary); color: var(--text-dim); }
/* 阶段提示（检索中/调用工具中） */
.chat-stage { color: var(--text-dim); font-size: 12px; font-style: italic; }
.chat-stage:empty { display: none; }
/* 思考过程折叠 */
.think { margin: 0 0 8px; font-size: 12px; color: var(--text-dim); }
.think summary { cursor: pointer; user-select: none; outline: none; }
.think-body {
  margin-top: 6px; padding: 8px 10px; max-height: 240px; overflow-y: auto;
  background: var(--bg-card); border: 1px dashed var(--border); border-radius: 8px;
  white-space: pre-wrap; line-height: 1.6;
}
.chat-cards { align-self: flex-start; display: flex; flex-direction: column; gap: 6px; max-width: 92%; }
.card-item {
  display: block; padding: 8px 11px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-card); font-size: 13px; color: var(--text);
}
.card-item:hover { border-color: var(--primary); text-decoration: none; }
.card-item .sub { color: var(--text-dim); font-size: 12px; }
.chat-input { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); }
.chat-input textarea {
  flex: 1; resize: none; height: 44px; border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font-size: 14px; background: var(--bg); color: var(--text); font-family: inherit;
}
.chat-input button {
  border: none; background: var(--primary); color: #fff; border-radius: 10px;
  padding: 0 18px; cursor: pointer; font-size: 14px;
}
.chat-input button:disabled { opacity: .5; }

/* 折叠钮（贴边）与移动端悬浮钮 */
.collapse-btn, .chat-fab {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-dim);
  border-radius: 10px; cursor: pointer; font-size: 14px;
}
.collapse-btn { width: 26px; margin: auto 0; }
.chat-fab { display: none; position: fixed; right: 16px; bottom: 20px; z-index: 60;
  width: 52px; height: 52px; border-radius: 50%; font-size: 22px; box-shadow: var(--shadow); }

/* ---------- 聚合面板 ---------- */
.dash { flex: 1; overflow-y: auto; padding: 18px 22px 40px; }
.hero { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.hero .date-box h2 { font-size: 20px; }
.hero .date-box .sub { color: var(--text-dim); font-size: 13px; }
.countdown {
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
  padding: 10px 20px; border-radius: var(--radius); font-size: 14px; box-shadow: var(--shadow);
}
.countdown b { font-size: 22px; }
.stale-banner {
  background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; border-radius: 10px;
  padding: 8px 14px; font-size: 13px; margin-bottom: 14px;
}
[data-theme="dark"] .stale-banner { background: #451a03; color: #fcd34d; border-color: #92400e; }

.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-wide { grid-column: 1 / -1; }
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px 0; font-weight: 600; font-size: 15px;
}
.panel-head .more { font-size: 13px; font-weight: 400; }
.panel-body { padding: 10px 12px 12px; }

/* 常用入口大按钮 */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.link-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 8px; border-radius: 10px; background: var(--bg-soft);
  color: var(--text); font-size: 13px; text-align: center; border: 1px solid transparent;
}
.link-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* 列表 */
.item-list { display: flex; flex-direction: column; }
.item-list a, .item-list .item {
  display: flex; justify-content: space-between; gap: 10px; padding: 8px 6px;
  border-bottom: 1px dashed var(--border); color: var(--text); font-size: 13.5px;
}
.item-list a:last-child, .item-list .item:last-child { border-bottom: none; }
.item-list .meta { color: var(--text-dim); font-size: 12px; white-space: nowrap; }
.item-list a:hover { color: var(--primary); text-decoration: none; }

/* 卡片网格（计算器/工具/导航） */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.app-card {
  display: flex; align-items: center; gap: 10px; padding: 14px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text); box-shadow: var(--shadow);
}
.app-card:hover { border-color: var(--primary); text-decoration: none; transform: translateY(-1px); }
.app-card .icon { font-size: 22px; }
.app-card .name { font-size: 14px; font-weight: 500; }
.group-title { margin: 18px 0 8px; font-size: 15px; color: var(--text-dim); }

/* ---------- 通用页面（政策/计算器/工具/后台） ---------- */
.page { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.card h1 { font-size: 20px; margin-bottom: 14px; }
.form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { min-width: 130px; font-size: 14px; color: var(--text-dim); }
input, select, textarea {
  padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-dim); border-color: var(--primary); }
.btn {
  display: inline-block; padding: 8px 20px; border: none; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 14px; cursor: pointer;
}
.btn:hover { opacity: .9; }
.btn.green { background: var(--ok); } .btn.red { background: var(--danger); } .btn.gray { background: var(--text-dim); }
.result-box {
  margin-top: 12px; padding: 14px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--border); font-size: 14px;
}
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th, table.data td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; }
table.data th { color: var(--text-dim); font-weight: 500; background: var(--bg-soft); }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 14px; }
.pagination a, .pagination span { padding: 5px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; color: var(--text); }
.pagination .cur { background: var(--primary); color: #fff; border-color: var(--primary); }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 20px; background: var(--bg-soft); color: var(--text-dim); }
.admin-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.admin-tabs button {
  padding: 7px 14px; border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-dim); border-radius: 8px; cursor: pointer; font-size: 13.5px;
}
.admin-tabs button.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 页脚 ---------- */
footer {
  text-align: center; padding: 18px; color: var(--text-dim); font-size: 12.5px;
  border-top: 1px solid var(--border); margin-top: 20px;
}
footer a { color: var(--text-dim); }

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
  .home-layout { display: block; height: auto; overflow: visible; }
  .chat-pane {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto; width: 100%; min-width: 0;
    height: 72vh; z-index: 70; border-radius: 16px 16px 0 0; transform: translateY(100%);
    transition: transform .25s; margin-left: 0 !important; box-shadow: 0 -6px 24px rgba(0,0,0,.18);
  }
  .chat-pane.open { transform: translateY(0); }
  .chat-fab { display: block; }
  .collapse-btn { display: none; }
  .panel-grid { grid-template-columns: 1fr; }
  .dash { padding: 14px 12px 80px; }
  .form-row label { min-width: 100%; }
}