:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e6e8eb;
  --text: #1f2430;
  --muted: #8a909c;
  --primary: #3b6ef5;
  --primary-d: #2f5bd0;
  --green: #1f9d55;
  --red: #d64545;
  --orange: #d98300;
  --shadow: 0 2px 10px rgba(20, 30, 50, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.app { display: flex; min-height: 100vh; }

/* Login gate */
body:not(.authed) .app { display: none; }
body.authed .login-screen { display: none; }
.login-screen {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #3b6ef5 0%, #6a4ef5 100%);
}
.login-card {
  width: 320px; max-width: 88vw;
  background: #fff; border-radius: 16px; padding: 36px 28px;
  text-align: center; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login-logo { font-size: 46px; line-height: 1; }
.login-card h1 { font-size: 20px; margin: 12px 0 4px; }
.login-sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.login-card input {
  width: 100%; padding: 12px 14px; font-size: 15px;
  border: 1px solid var(--border); border-radius: 10px; margin-bottom: 14px;
  outline: none; transition: border-color .15s;
}
.login-card input:focus { border-color: var(--primary); }
.btn-block { width: 100%; padding: 12px; font-size: 15px; }
.login-err { color: var(--red); font-size: 13px; min-height: 18px; margin-top: 6px; }
.logout-btn { margin-top: auto; margin-bottom: 16px; width: calc(100% - 16px); align-self: center; }
/* Sidebar */
.sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; padding: 6px 10px 18px;
}
.brand .logo { font-size: 22px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-btn {
  text-align: left; border: none; background: transparent; cursor: pointer;
  padding: 11px 12px; border-radius: 8px; font-size: 14px; color: var(--text);
  transition: background .15s;
}
.nav-btn:hover { background: #f0f3fb; }
.nav-btn.active { background: var(--primary); color: #fff; }
/* 物业美居入口（导航栏内嵌切换） */
.nav-sep { height: 1px; background: var(--border); margin: 10px 6px; }
.nav-btn-alt { color: var(--primary-d); background: #eef3ff; border: 1px solid #d6e2ff; }
.nav-btn-alt:hover { background: #e2ebff; }
.nav-btn-alt.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 物业美居二级菜单（8 个模块） */
.subnav { margin: 6px 0 0 8px; padding-left: 10px; border-left: 2px solid #dce6fb; }
.subnav.hidden { display: none; }
.subnav-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 2px 6px 6px; font-size: 11px; color: var(--muted); letter-spacing: .3px;
}
.subnav-tools { display: flex; gap: 4px; }
.subnav .mini {
  border: 1px solid var(--border); background: #fff; color: var(--muted);
  width: 22px; height: 22px; line-height: 1; border-radius: 6px; font-size: 12px; padding: 0;
}
.subnav .mini:hover { color: var(--primary); border-color: var(--primary); }
.sub-item {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  width: 100%; text-align: left; border: none; background: transparent; cursor: pointer;
  padding: 7px 10px; border-radius: 7px; font-size: 13px; color: var(--text);
  transition: background .15s;
}
.sub-item:hover { background: #f0f3fb; }
.sub-item.on { background: var(--primary); color: #fff; font-weight: 600; }
.sub-badge {
  font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 20px;
  background: #fff4e0; color: var(--orange);
}
.sub-item.on .sub-badge { background: rgba(255,255,255,.28); color: #fff; }

/* 物业美居 iframe 视图 */
.meiju-frame {
  display: block; width: 100%; height: calc(100vh - 112px); min-height: 460px;
  border: 1px solid var(--border); border-radius: 12px;
  background: #fff; box-shadow: var(--shadow);
}
/* 进入美居时：整页让位 —— 隐藏 OMS 自己的 topbar，主区去掉内边距，
   iframe 去边框/圆角，铺满整个窗口，避免「画中画」观感 */
body.embed-meiju .topbar { display: none; }
body.embed-meiju .main { padding: 0; }
body.embed-meiju .meiju-frame { border: 0; border-radius: 0; box-shadow: none; min-height: 0; }

/* Main */
.main { flex: 1; padding: 22px 28px; overflow-x: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h1 { font-size: 20px; }
.topbar-actions { display: flex; gap: 8px; }

.view.hidden { display: none; }

/* Cards / stat */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; box-shadow: var(--shadow);
}
.stat-card .label { color: var(--muted); font-size: 13px; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 8px; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.orange { color: var(--orange); }

.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.panel h3 { font-size: 15px; margin-bottom: 14px; }

/* Toolbar */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input, .toolbar select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
.toolbar .grow { flex: 1; min-width: 180px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr:hover { background: #fafbfe; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }

/* Buttons */
.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 14px; transition: all .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-danger { color: var(--red); border-color: #f0caca; }
.btn-danger:hover { background: #fdeaea; }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.pending { background: #fff4e0; color: var(--orange); }
.badge.paid { background: #e6f0ff; color: var(--primary); }
.badge.shipped { background: #e8f4ff; color: #2b8acb; }
.badge.completed { background: #e6f7ee; color: var(--green); }
.badge.cancelled { background: #f2f2f2; color: #888; }

/* Modal */
.modal-mask {
  position: fixed; inset: 0; background: rgba(20,28,45,.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-mask.hidden { display: none; }
.modal {
  background: #fff; border-radius: 14px; width: min(640px, 92vw); max-height: 88vh;
  overflow: auto; padding: 24px; box-shadow: 0 12px 40px rgba(0,0,0,.2);
}
.modal h2 { font-size: 18px; margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.paste-box { border: 1px dashed var(--border); border-radius: 8px; padding: 8px 10px; margin-bottom: 10px; background: #f7f9ff; }
.paste-box summary { cursor: pointer; font-size: 13px; color: var(--text-soft); user-select: none; }
.paste-box textarea { width: 100%; margin: 8px 0; font-family: inherit; font-size: 13px; box-sizing: border-box; border: 1px solid var(--border); border-radius: 6px; padding: 6px; resize: vertical; }
.readonly-val { font-size: 18px; font-weight: 600; color: var(--text); padding: 6px 0; }
.readonly-val::before { content: ''; }
.totals-row { background: #f6f8fc; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.disc { display: inline-block; margin-left: 4px; padding: 0 5px; font-size: 11px; border-radius: 4px; background: #fff3e0; color: #c77700; border: 1px solid #ffd9a0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.line-item { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; border: 1px solid var(--border); border-radius: 8px; padding: 8px; background: #fafbfe; }
.li-main { display: flex; gap: 8px; align-items: center; }
.li-main .li-name { flex: 2; }
.li-main input { flex: 1; }
.li-main .qty { max-width: 70px; }
.li-sub { display: flex; gap: 8px; }
.li-sub input { flex: 1; font-size: 13px; padding: 6px 8px; }
.li-sub .muted-hint { color: var(--muted); font-size: 12px; align-self: center; }

/* Misc */
.empty { text-align: center; color: var(--muted); padding: 30px; }
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: #1f2430; color: #fff; padding: 11px 20px; border-radius: 10px; z-index: 99;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.toast.hidden { display: none; }
.muted { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------- 小屏适配 ---------- */
@media (max-width: 760px) {
  .app { flex-direction: column; min-height: auto; }
  .sidebar {
    width: 100%; height: auto; position: static;
    padding: 12px; border-right: none; border-bottom: 1px solid var(--border);
  }
  .brand { padding: 2px 6px 12px; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .nav-btn { flex: 1 1 46%; text-align: center; padding: 10px 8px; font-size: 13px; }
  .nav-sep { display: none; }
  .logout-btn { margin-top: 12px; margin-bottom: 0; width: 100%; }
  .main { padding: 14px; }
  .topbar { flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
  .topbar h1 { font-size: 18px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .value { font-size: 20px; }
  .panel { padding: 14px; overflow-x: auto; }
  table { min-width: 560px; }
  .field-row { flex-wrap: wrap; }
  .modal { padding: 18px; }
  .subnav { flex: 1 1 100%; margin: 4px 0 0; }
  .sub-item { padding: 9px 12px; }
  .meiju-frame { min-height: 420px; border-radius: 0; }
}