/* 幼儿园低值易耗品管理系统 —— 全局样式 */
:root {
  --green: #43a047;
  --green-dark: #2e7d32;
  --green-light: #e8f5e9;
  --orange: #fb8c00;
  --red: #e53935;
  --blue: #1e88e5;
  --purple: #8e24aa;
  --text: #263238;
  --text-sub: #78909c;
  --bg: #f6f4ec;
  --card: #ffffff;
  --line: #e6eae7;
  --radius: 12px;
  --shadow: 0 1px 4px rgba(38, 50, 56, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: var(--bg) url("/static/img/app-bg.svg") repeat;
  background-size: 560px auto;
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- 顶部与导航 ---------- */
.topbar {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.topbar .brand { font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.topbar .user-info { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.topbar .role-badge {
  background: rgba(255, 255, 255, .22);
  padding: 1px 8px;
  border-radius: 99px;
  font-size: 12px;
}
.link-btn {
  background: none;
  border: 1px solid rgba(255, 255, 255, .5);
  color: #fff;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
}
.link-btn:hover { background: rgba(255, 255, 255, .15); }

.nav {
  display: flex;
  gap: 4px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0 8px;
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 20;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  padding: 11px 14px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  border-bottom: 2.5px solid transparent;
}
.nav a.active { color: var(--green-dark); border-bottom-color: var(--green); font-weight: 600; }

main { max-width: 1080px; margin: 0 auto; padding: 16px; padding-bottom: 48px; }

/* ---------- 通用组件 ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}
.card h3 { font-size: 15px; margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.card h3 .extra { margin-left: auto; font-size: 13px; font-weight: 400; }

.grid-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}
.stat .num { font-size: 26px; font-weight: 700; color: var(--green-dark); }
.stat .num.warn { color: var(--red); }
.stat .label { font-size: 13px; color: var(--text-sub); margin-top: 2px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; align-items: center; }
.toolbar .grow { flex: 1; min-width: 140px; }

input, select, textarea {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--text);
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green-light); border-color: var(--green); }
.toolbar input, .toolbar select { width: auto; }

.btn {
  font: inherit;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  cursor: pointer;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  white-space: nowrap;
}
.btn:hover { background: var(--green-dark); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: #fff; color: var(--green-dark); border: 1px solid var(--green); }
.btn.secondary:hover { background: var(--green-light); }
.btn.gray { background: #eceff1; color: var(--text); }
.btn.gray:hover { background: #cfd8dc; }
.btn.danger { background: var(--red); }
.btn.sm { padding: 4px 10px; font-size: 12.5px; border-radius: 6px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--text-sub); font-weight: 500; background: #fafbfa; }
tbody tr:hover { background: #f7faf7; }
td.actions { white-space: nowrap; }
td.actions .btn { margin-right: 4px; margin-bottom: 2px; }
.num-cell { text-align: right; }
.empty-tip { text-align: center; color: var(--text-sub); padding: 28px 0 !important; }

/* ---------- 徽标 ---------- */
.badge {
  display: inline-block;
  padding: 1px 9px;
  border-radius: 99px;
  font-size: 12px;
  line-height: 1.7;
}
.badge.in    { background: #e3f2fd; color: var(--blue); }
.badge.out   { background: #fff3e0; color: var(--orange); }
.badge.return{ background: var(--green-light); color: var(--green-dark); }
.badge.adjust{ background: #f3e5f5; color: var(--purple); }
.badge.low   { background: #ffebee; color: var(--red); }
.badge.off   { background: #eceff1; color: var(--text-sub); }
.badge.ok    { background: var(--green-light); color: var(--green-dark); }

/* 低库存进度条 */
.meter { height: 6px; border-radius: 4px; background: #eceff1; min-width: 90px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 4px; background: var(--green); }
.meter.low i { background: var(--red); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-item label { display: block; font-size: 13px; color: var(--text-sub); margin-bottom: 4px; }
.form-item.full { grid-column: 1 / -1; }
.form-actions { margin-top: 16px; display: flex; gap: 10px; justify-content: flex-end; }
.hint { font-size: 12.5px; color: var(--text-sub); margin-top: 4px; }
.stock-tip { background: var(--green-light); border-radius: 8px; padding: 8px 12px; font-size: 13.5px; margin-bottom: 12px; }
.stock-tip.low { background: #ffebee; color: var(--red); }

/* ---------- 弹窗 ---------- */
dialog {
  border: none;
  border-radius: 14px;
  padding: 0;
  width: min(520px, 92vw);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
}
dialog::backdrop { background: rgba(38, 50, 56, .45); }
dialog .dlg-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  font-size: 16px; font-weight: 600;
}
dialog .dlg-head .close { cursor: pointer; border: none; background: none; font-size: 20px; color: var(--text-sub); }
dialog .dlg-body { padding: 18px; max-height: 70vh; overflow-y: auto; }

/* ---------- 提示气泡 ---------- */
#toast-box { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 99; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: #323232; color: #fff; padding: 10px 20px; border-radius: 10px;
  font-size: 14px; box-shadow: 0 4px 14px rgba(0,0,0,.25); animation: pop .18s;
  max-width: 86vw;
}
.toast.err { background: var(--red); }
.toast.ok  { background: var(--green-dark); }
@keyframes pop { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- 登录页 ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: url("/static/img/login-bg.svg") center / cover no-repeat, linear-gradient(160deg, #8ed4ff, #7ccf6a);
  padding: 16px;
}
.login-card {
  background: #fffdf7; border: 1px solid #ffffff; border-radius: 22px; padding: 34px 30px;
  width: min(380px, 100%); box-shadow: 0 18px 52px rgba(38, 72, 56, .32);
}
.login-card h1 { font-size: 21px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--text-sub); font-size: 13px; margin-bottom: 24px; }
.login-card input { margin-bottom: 14px; padding: 11px 12px; }
.login-card .btn { width: 100%; padding: 11px; font-size: 15px; }
.login-tip { margin-top: 18px; font-size: 12.5px; color: var(--text-sub); text-align: center; line-height: 1.8; }
.login-divider {
  display: flex; align-items: center; gap: 10px;
  margin: 18px 0 10px; font-size: 12px; color: var(--text-sub);
}
.login-divider::before, .login-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.quick-login { display: flex; gap: 10px; flex-wrap: wrap; }
.quick-login .btn { flex: 1 1 40%; }

/* ---------- 设置页 tabs ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs .btn.sm { border-radius: 99px; }
.tabs .btn.sm.on { background: var(--green-dark); }
.inline-form { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.inline-form input, .inline-form select { width: auto; flex: 1; min-width: 120px; }

.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 14px; font-size: 13.5px; color: var(--text-sub); }

.section-title { font-size: 14px; color: var(--text-sub); margin: 18px 0 8px; }

/* ---------- 移动端 ---------- */
@media (max-width: 720px) {
  main { padding: 12px; }
  .grid-stats { grid-template-columns: repeat(2, 1fr); }
  .stat .num { font-size: 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar { padding: 10px 12px; }
  .topbar .brand { font-size: 15px; }
  th, td { padding: 8px 8px; }
  .toolbar input, .toolbar select { flex: 1; min-width: 100px; }
}