:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --text: #1f2328;
  --muted: #6b7280;
  --border: #e3e6ea;
  --primary: #16794b;
  --primary-hover: #12653e;
  --primary-soft: #e7f5ee;
  --danger: #d64545;
  --warning: #c47f00;
  --radius: 8px;
  --radius-card: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px; color: var(--text); background: var(--bg);
}
.hidden { display: none !important; }

/* 登录 */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #f4f6f8, #e8f3ec);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: 32px 28px; box-shadow: var(--shadow);
}
.login-card h1 { font-size: 20px; margin: 0 0 6px; }
.login-sub { color: var(--muted); font-size: 13px; margin: 0 0 22px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; outline: none;
}
.login-card input:focus { border-color: var(--primary); }
.login-msg { color: var(--danger); font-size: 13px; min-height: 18px; margin: 8px 0; }
.login-tip { color: var(--muted); font-size: 12px; margin: 16px 0 0; text-align: center; }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: 0 20px; height: 56px; position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 600; font-size: 16px; white-space: nowrap; }
.tabs { display: flex; gap: 4px; overflow-x: auto; flex: 1; }
.tab {
  padding: 7px 14px; border-radius: var(--radius); cursor: pointer;
  color: var(--muted); white-space: nowrap; border: none; background: none; font-size: 14px;
}
.tab:hover { background: var(--surface-2); }
.tab.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.userbox { display: flex; align-items: center; gap: 10px; }
.who { color: var(--muted); font-size: 13px; white-space: nowrap; }

/* 内容 */
.content { padding: 20px; max-width: 1200px; margin: 0 auto; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.panel-head h2 { font-size: 16px; margin: 0; }
.head-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.search, .filters input, .filters select {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; outline: none; background: var(--surface); color: var(--text);
}
.search:focus, .filters input:focus, .filters select:focus { border-color: var(--primary); }
.search { width: 220px; }

/* 按钮 */
.btn {
  padding: 8px 16px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 14px; cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-block { width: 100%; margin-top: 6px; }
.btn-danger { color: var(--danger); border-color: var(--border); background: var(--surface); }
.btn-danger:hover { background: #fdf2f2; }
.btn-sm { padding: 5px 10px; font-size: 13px; }

/* 统计卡片 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-card); padding: 16px 18px; box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.stat .value { font-size: 24px; font-weight: 600; }
.stat .value.bad { color: var(--danger); }

/* 表格 */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); overflow-x: auto; box-shadow: var(--shadow); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl th { background: var(--surface-2); color: var(--muted); font-weight: 500; font-size: 13px; position: sticky; top: 0; }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: var(--surface-2); }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { text-align: center; color: var(--muted); padding: 28px !important; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.tag-in { background: var(--primary-soft); color: var(--primary); }
.tag-out { background: #fdecec; color: var(--danger); }
.tag-low { background: #fff4e0; color: var(--warning); }
.tag-off { background: var(--surface-2); color: var(--muted); }
.link { color: var(--primary); cursor: pointer; background: none; border: none; font-size: 13px; padding: 0 6px; }
.link:hover { text-decoration: underline; }
.link.danger { color: var(--danger); }
.filter-row th { position: static; background: var(--surface); padding: 6px 8px; }
.colfilter {
  width: 100%; padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 12px; background: var(--surface); color: var(--text); outline: none; box-sizing: border-box;
}
.colfilter:focus { border-color: var(--primary); }
.tbl .sep { border-left: 2px solid var(--border); }

/* 表单 */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 20px; box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-wide { grid-column: span 2; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; outline: none; background: var(--surface); color: var(--text);
}
.field input:focus, .field select:focus { border-color: var(--primary); }
.req { color: var(--danger); }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 16px; }
.form-msg { font-size: 13px; }
.form-msg.ok { color: var(--primary); }
.form-msg.err { color: var(--danger); }
.hint { color: var(--muted); font-size: 13px; margin-top: 12px; }
.filters { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(16, 24, 40, .35); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal { background: var(--surface); border-radius: var(--radius-card); width: 100%; max-width: 460px; box-shadow: 0 12px 32px rgba(16, 24, 40, .18); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 20px; max-height: 60vh; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--border); }
.modal-body .field { margin-bottom: 14px; }

/* 提示 */
.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%); background: #1f2328; color: #fff; padding: 11px 20px; border-radius: var(--radius); font-size: 14px; z-index: 200; box-shadow: var(--shadow); }
.toast.err { background: var(--danger); }

/* 物料图片 */
.muted { color: var(--muted); }
.thumbs { display: flex; gap: 4px; flex-wrap: wrap; }
.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; background: var(--surface-2); }
.thumb:hover { border-color: var(--primary); }
.imgedit { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.imgchip { position: relative; width: 64px; height: 64px; }
.imgchip img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.imgchip .x { position: absolute; top: -6px; right: -6px; width: 18px; height: 18px; line-height: 16px; text-align: center; border-radius: 50%; background: var(--danger); color: #fff; font-size: 13px; cursor: pointer; }
.imgadd { width: 64px; height: 64px; border: 1px dashed var(--border); border-radius: 6px; background: var(--surface); color: var(--muted); cursor: pointer; font-size: 12px; }
.imgadd:hover { border-color: var(--primary); color: var(--primary); }
.viewer { text-align: center; }
.viewer img { max-width: 100%; max-height: 62vh; border-radius: 8px; }
.viewer-nav { display: flex; gap: 6px; justify-content: center; margin-top: 10px; flex-wrap: wrap; }
.viewer-nav button { padding: 3px 10px; border: 1px solid var(--border); background: var(--surface); border-radius: 6px; cursor: pointer; }
.viewer-nav button.on { border-color: var(--primary); color: var(--primary); }

@media (max-width: 640px) {
  .brand { display: none; }
  .field-wide { grid-column: span 1; }
  .content { padding: 14px; }
  .who { display: none; }
}