/* ==================== 主题变量 ==================== */
:root {
  --bg: #f5f6fa;
  --card: #ffffff;
  --entry: #ffffff;
  --text: #24273a;
  --text-sec: #5b6080;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #16a34a;
  --warning: #b45309;
  --danger: #dc2626;
  --border: #c9cede;
}
body.dark {
  --bg: #1e1e2e;
  --card: #272741;
  --entry: #181825;
  --text: #cdd6f4;
  --text-sec: #a6adc8;
  --accent: #89b4fa;
  --accent-hover: #b4befe;
  --border: #313244;
  --danger: #f38ba8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
  font-size: 13px;
  background: var(--bg); color: var(--text);
  transition: background .2s, color .2s;
}

#app { display: flex; height: 100vh; }

/* ==================== 侧边栏 ==================== */
#sidebar {
  width: 212px; min-width: 212px;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 14px 10px; gap: 10px;
  transition: width .26s cubic-bezier(.2,.8,.2,1), min-width .26s;
}
#sidebar.collapsed { width: 60px; min-width: 60px; }
#sidebar.collapsed #side-title { font-size: 0; }
#sidebar.collapsed #theme-label { display: none; }
#sidebar.collapsed #theme-btn { padding: 8px 0; text-align: center; }
#sidebar.collapsed .nav-label { display: none; }
#sidebar.collapsed .nav-item:not(.fold-item) { text-align: center; padding: 10px 0; }
#sidebar.collapsed .fold-item { text-align: center; }

#side-title { font-weight: bold; font-size: 15px; padding: 4px; white-space: nowrap; overflow: hidden; }

#nav { flex: 1; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.nav-item {
  display: block; padding: 10px 12px; border-radius: 6px;
  color: var(--text); text-decoration: none; cursor: pointer;
  white-space: nowrap;
}
.nav-item:hover { background: var(--entry); }
.nav-item.active { background: var(--accent); color: var(--bg); font-weight: bold; }
.nav-item.fold-item { color: var(--text-sec); border: 1px solid var(--border); border-radius: 6px; margin-top: 4px; }
.nav-item.fold-item:hover { color: var(--text); border-color: var(--accent); }

.ghost {
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 14px; cursor: pointer; font-weight: bold; font-size: 13px;
}
.ghost:hover { border-color: var(--accent); background: var(--entry); }

/* ==================== 主区 ==================== */
#main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
#toolbar .ghost { padding: 8px 16px; }
#file-info { margin-left: auto; font-size: 12px; }

#content { flex: 1; overflow-y: auto; padding: 12px; }
.page { display: none; }
.page.active { display: block; }

/* ==================== 卡片 ==================== */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
}
.card h3 { margin-bottom: 6px; font-size: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input[type=text], input[type=number], textarea {
  width: 100%; padding: 6px 8px;
  background: var(--entry); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }

.hint { color: var(--warning); font-size: 12px; margin-top: 10px; }
.muted { color: var(--text-sec); font-size: 12px; }

/* ==================== 工人 ==================== */
.w-toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.w-toolbar input { max-width: 300px; }
.w-split { display: flex; gap: 10px; height: calc(100% - 40px); }
#w-list { width: 300px; min-width: 200px; border: 1px solid var(--border); border-radius: 6px; overflow-y: auto; }
.list-item {
  padding: 8px 10px; cursor: pointer; border-radius: 4px; margin: 2px;
}
.list-item:hover { background: var(--entry); }
.list-item.active { background: var(--accent); color: var(--bg); }
.w-panel { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.field { margin-bottom: 6px; }
.field label { display: block; color: var(--text-sec); font-size: 12px; margin-bottom: 2px; }
.chk-row { display: flex; gap: 24px; margin-top: 10px; }
.chk-row label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.chk-row .danger { color: var(--danger); }

/* ==================== 表格 ==================== */
table { width: 100%; border-collapse: collapse; background: var(--entry); border: 1px solid var(--border); border-radius: 6px; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; }
th { background: var(--card); font-weight: bold; }
td input { border: 1px solid transparent; background: transparent; padding: 3px 4px; }
td input:focus { border-color: var(--accent); background: var(--entry); }

/* ==================== JSON 编辑 ==================== */
.json-editor {
  width: 100%; height: calc(100% - 30px); resize: none;
  font-family: Consolas, "Courier New", monospace; font-size: 12px;
  min-height: 300px;
}

/* ==================== toast ==================== */
#toast-wrap { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 10px 18px; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.toast.ok { border-left: 4px solid var(--success); }
.toast.err { border-left: 4px solid var(--danger); }
.toast.warn { border-left: 4px solid var(--warning); }

@media (max-width: 900px) {
  #sidebar { width: 60px; min-width: 60px; }
  #sidebar #side-title { font-size: 0; }
  #sidebar #theme-label { display: none; }
  #sidebar #theme-btn { text-align: center; padding: 8px 0; }
  #sidebar .nav-label { display: none; }
  #sidebar .nav-item:not(.fold-item) { text-align: center; padding: 10px 0; }
  #sidebar .fold-item { text-align: center; }
  .grid-2 { grid-template-columns: 1fr; }
  #w-list { width: 200px; }
}