/* Where'd I Put It — 暖橙色调 */
:root {
  --bg: #fdf6ec;
  --card: #ffffff;
  --crust: #e8a04e;
  --crust-dark: #c9822f;
  --ink: #4a3b2a;
  --ink-soft: #8a795f;
  --line: #efe2cf;
  --accent: #e8a04e;
  --danger: #d9534f;
  --radius: 16px;
  --shadow: 0 2px 10px rgba(120, 90, 40, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px env(safe-area-inset-bottom) 16px;
  min-height: 100vh;
}

/* 顶栏 */
.topbar {
  padding: 28px 4px 16px;
  text-align: center;
  position: relative;
}
.lang-select {
  position: absolute;
  top: 16px;
  right: 0;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 10px;
  cursor: pointer;
  max-width: 8.5em;
}
.tab .ti { margin-right: 4px; }
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.logo { font-size: 32px; }
.topbar h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 1px;
  color: var(--crust-dark);
}
.tagline {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* Tab 切换 */
.tabs {
  display: flex;
  gap: 8px;
  background: #f3e6d2;
  padding: 6px;
  border-radius: 14px;
  position: sticky;
  top: 8px;
  z-index: 5;
  box-shadow: var(--shadow);
}
.tab {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 10px 4px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s;
}
.tab.is-active {
  background: var(--card);
  color: var(--crust-dark);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(120, 90, 40, 0.12);
}

/* 视图 */
.view { display: none; padding-top: 18px; }
.view.is-active { display: block; }

/* 搜索框 */
.search-box input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  outline: none;
}
.search-box input:focus { border-color: var(--crust); }

/* 卡片列表 */
.card-list { list-style: none; padding: 0; margin: 14px 0 0; }
.list-hint {
  font-size: 12px;
  color: var(--ink-soft);
  padding: 6px 4px;
  letter-spacing: 0.5px;
}
.card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
}
.card-main { flex: 1; min-width: 0; }
.card-name { font-size: 16px; font-weight: 600; }
.card-loc { font-size: 13px; color: var(--crust-dark); margin-top: 4px; }
.card-note { font-size: 12px; color: var(--ink-soft); margin-top: 3px; }
.card-ops { display: flex; gap: 2px; }
.icon-btn {
  border: 0;
  background: transparent;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 8px;
  cursor: pointer;
}
.icon-btn:hover { background: #f3e6d2; }

/* 表单 */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}
.form .req { color: var(--crust); }
.form input[type="text"] {
  padding: 12px 14px;
  font-size: 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  outline: none;
}
.form input:focus { border-color: var(--crust); }
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.btn-primary {
  flex: 1;
  border: 0;
  background: var(--crust);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(200, 130, 47, 0.3);
}
.btn-primary:active { background: var(--crust-dark); }
.btn-ghost {
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  padding: 14px 20px;
  border-radius: 12px;
  cursor: pointer;
}

/* 浏览树 */
.tree { margin-top: 6px; }
.node-room {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.node-room > summary {
  font-size: 16px;
  font-weight: 600;
  color: var(--crust-dark);
  cursor: pointer;
  padding: 6px 0;
  list-style: none;
}
.node-room > summary::-webkit-details-marker { display: none; }
.badge {
  display: inline-block;
  background: #f3e6d2;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 500;
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: 4px;
}
.node-furniture {
  margin: 4px 0 4px 10px;
  border-left: 2px solid var(--line);
  padding-left: 12px;
}
.node-furniture > summary {
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 5px 0;
  list-style: none;
}
.node-furniture > summary::-webkit-details-marker { display: none; }
.node-container { margin: 2px 0 6px 8px; }
.cont-title { font-size: 13px; color: var(--ink-soft); margin: 4px 0; }
.leaf-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.leaf-list li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #fbf0df;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 5px 10px;
  font-size: 13px;
  cursor: pointer;
}
.leaf-list li:hover { background: #f6e4c8; }
.leaf-list em { color: var(--ink-soft); font-style: normal; font-size: 11px; }

/* 备份栏 */
.backup-bar {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.backup-bar .btn-ghost { flex: 1; padding: 12px; font-size: 14px; }
.backup-hint {
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
  margin: 10px 4px 0;
  line-height: 1.6;
}

/* 空状态 */
.empty {
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  padding: 48px 20px;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink);
  color: #fff;
  padding: 11px 20px;
  border-radius: 22px;
  font-size: 14px;
  opacity: 0;
  transition: all 0.25s;
  z-index: 20;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #2a221a;
    --card: #362c21;
    --ink: #f0e6d6;
    --ink-soft: #b8a386;
    --line: #4a3c2c;
  }
  .tabs { background: #3d3125; }
  .tab.is-active { background: #4a3c2c; }
  .badge, .node-furniture, .leaf-list li { background: #41342650; }
  .leaf-list li { background: #41342680; }
}