/* 基础样式：手机优先设计 */
:root {
  --bg: #0f1115;
  --card: #161920;
  --text: #e5e9f0;
  --muted: #a7b0bf;
  --primary: #3b82f6;
  --accent: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(15,17,21,0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid #262a33;
}
.topbar .title { font-weight: 600; letter-spacing: 0.5px; }
.topbar .actions { display: flex; gap: 8px; }

.container { padding: 16px; max-width: 900px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid #232734;
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 8px; font-size: 16px; color: var(--muted); }

.summary { font-size: 15px; line-height: 1.6; }

.list-group { display: grid; gap: 12px; }
.list-group-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  padding: 12px 14px;
  border: 1px solid #262a33;
  border-radius: 12px;
  background: var(--card);
}
.list-group-item .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-group-item .meta { color: var(--muted); font-size: 13px; grid-column: 1 / -1; overflow-wrap: anywhere; }
.list-group-item .qty { font-size: 14px; align-self: center; }

.btn {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 10px;
  background: #222632;
  color: var(--text);
  text-decoration: none;
  border: 1px solid #303645;
}
.btn:hover { background: #2a3142; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.success { background: var(--accent); border-color: var(--accent); color: #fff; }

.toolbar { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.msg { color: var(--muted); font-size: 13px; }

.form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field input, .field select {
  appearance: none;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #303645;
  background: #1b1f2a;
  color: var(--text);
}
.hint { color: var(--muted); font-size: 13px; margin: 0; }

.footer { text-align: center; padding: 18px; color: var(--muted); font-size: 13px; }

/* 编辑页特定样式 */
.edit-row { display: grid; grid-template-columns: 1fr 120px 100px; gap: 8px; align-items: center; }
.edit-row .label { font-weight: 600; }

@media (min-width: 700px) {
  .list-group-item { grid-template-columns: 2fr 1fr; }
}

/* 编辑页在 list-group 中的条目外观统一 */
.list-group > .edit-row {
  padding: 12px 14px;
  border: 1px solid #262a33;
  border-radius: 12px;
  background: var(--card);
}

/* —— 编辑页：移动端友好输入 —— */
.edit-row { gap: 10px; }
.edit-row input[type=number],
.edit-row select {
  width: 100%;
  font-size: 16px; /* 避免 iOS 缩放 */
  line-height: 1.4;
  padding: 12px 14px;
  min-height: 44px; /* 增大触达面积 */
  border-radius: 12px;
  border: 1px solid #3a4152;
  background: #1b1f2a;
  color: var(--text);
}
.edit-row input[type=number]:focus,
.edit-row select:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}
/* 隐藏数字输入箭头（桌面） */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

/* 按钮在移动端更易点按 */
.btn { touch-action: manipulation; }

@media (max-width: 640px) {
  .edit-row { grid-template-columns: 1fr 150px 120px; }
  .btn, .toolbar .btn {
    padding: 12px 16px;
    font-size: 16px;
    min-height: 44px;
  }
  .toolbar {
    position: sticky;
    bottom: 0;
    background: rgba(15,17,21,0.95);
    padding: 12px;
    backdrop-filter: saturate(180%) blur(8px);
    border-top: 1px solid #262a33;
  }
}

/* —— 编辑页：筛选与 chips —— */
.controls { display: grid; gap: 10px; margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: #222632;
  color: var(--text);
  border: 1px solid #303645;
}
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.label .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* —— A–Z 字母导航 —— */
.az-nav { display: flex; flex-wrap: wrap; gap: 6px; }
.az-nav .az-btn {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid #303645;
  background: #222632; color: var(--text);
}
.az-nav .az-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* —— 数量步进器 —— */
.qty-wrap { display: grid; grid-template-columns: 36px 1fr 36px; gap: 6px; align-items: center; }
.stepper {
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid #3a4152; background: #1b1f2a; color: var(--text);
}
.stepper:active { background: #2a3142; }