:root {
  --primary: #0f6fde;
  --primary-dark: #0b56ad;
  --primary-light: #e8f1fd;
  --danger: #d93026;
  --success: #188038;
  --warn: #b06000;
  --warn-bg: #fff4e0;
  --text: #1f2328;
  --text-2: #656d76;
  --border: #d8dee4;
  --bg: #f2f4f7;
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(27, 31, 36, 0.1);
  --sidebar-w: 210px;
  --topbar-h: 54px;
  --bottomnav-h: 58px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
button { cursor: pointer; }
.muted { color: var(--text-2); }
.small { font-size: 12px; }

/* ---------- 登录页 ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0f6fde 0%, #0a4a94 100%);
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  padding: 34px 30px 26px;
}
.login-card h1 { font-size: 22px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--text-2); margin-bottom: 24px; font-size: 13px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  outline: none;
  background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn:hover { background: #f6f8fa; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { color: var(--danger); border-color: #e5b8b5; }
.btn-danger:hover { background: #fdf1f1; }
.btn-sm { padding: 4px 9px; font-size: 12.5px; border-radius: 6px; }
.btn-block { width: 100%; padding: 11px; font-size: 15px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ---------- 应用外壳 ---------- */
.app { min-height: 100vh; }
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 14px;
  z-index: 50;
}
.topbar .logo { font-size: 16px; font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar .user-box { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.topbar .user-box .uname { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar {
  position: fixed;
  top: var(--topbar-h);
  bottom: 0;
  left: 0;
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  overflow-y: auto;
  z-index: 40;
}
.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
  margin-bottom: 2px;
  font-size: 14px;
}
.sidebar .nav-item:hover { background: #f0f3f7; }
.sidebar .nav-item.active { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.sidebar .nav-item .ico { width: 18px; text-align: center; }
.main {
  margin-left: var(--sidebar-w);
  padding: calc(var(--topbar-h) + 16px) 18px 30px;
  min-height: 100vh;
}
.page-title { font-size: 18px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.page-title .spacer { flex: 1; }

/* 底部导航（手机） */
.bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottomnav-h);
  background: var(--card);
  border-top: 1px solid var(--border);
  display: none;
  z-index: 50;
}
.bottomnav .bn-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-2);
  gap: 2px;
}
.bottomnav .bn-item .ico { font-size: 18px; }
.bottomnav .bn-item.active { color: var(--primary); font-weight: 600; }
body.has-bn .main { padding-bottom: calc(var(--bottomnav-h) + 24px); }

/* ---------- 卡片 / 表格 ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}
.card-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-title .spacer { flex: 1; }
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th, table.tbl td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid #eef1f4;
  vertical-align: middle;
  white-space: nowrap;
}
table.tbl th { color: var(--text-2); font-weight: 500; background: #fafbfc; font-size: 12.5px; }
table.tbl tr:hover td { background: #f7f9fc; }
.tbl .grow { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tbl .grow2 { max-width: 340px; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; line-height: 1.6; }
.badge-blue { background: #e8f1fd; color: #0b56ad; }
.badge-green { background: #e6f4ea; color: #188038; }
.badge-orange { background: #fff4e0; color: #b06000; }
.badge-red { background: #fdecec; color: #c5221f; }
.badge-gray { background: #f1f3f4; color: #5f6368; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.stat-card .k { font-size: 12.5px; color: var(--text-2); }
.stat-card .v { font-size: 22px; font-weight: 700; margin-top: 4px; }
.stat-card .v.green { color: var(--success); }
.stat-card .v.red { color: var(--danger); }
.stat-card .v.blue { color: var(--primary); }

/* 图表区 */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-box { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.chart-box.wide { grid-column: 1 / -1; }
.chart-title { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.chart-box svg { width: 100%; display: block; }

/* 筛选条 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filter-bar input, .filter-bar select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  background: #fff;
  outline: none;
  min-width: 0;
}
.filter-bar input[type="date"] { padding: 6px 8px; }
.filter-bar .grow { flex: 1; }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 4vh 12px 20px;
  overflow-y: auto;
}
.modal {
  background: var(--card);
  border-radius: 14px;
  width: 100%;
  max-width: 620px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  margin-bottom: 20px;
}
.modal.lg { max-width: 860px; }
.modal-head {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 600;
}
.modal-head .spacer { flex: 1; }
.modal-body { padding: 16px 18px; max-height: 70vh; overflow-y: auto; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-grid .full { grid-column: 1 / -1; }

/* 明细编辑行 */
.sub-rows { display: flex; flex-direction: column; gap: 6px; margin: 4px 0 8px; }
.sub-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.sub-row select, .sub-row input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  min-width: 0;
  background: #fff;
}
.sub-row .w-name { flex: 2; min-width: 120px; }
.sub-row .w-qty { width: 70px; }
.sub-row .w-price { width: 90px; }
.sub-row .w-unit { width: 70px; }
.sub-row .sub-total { width: 90px; text-align: right; color: var(--text-2); font-size: 12.5px; align-self: center; }
.sub-row .rm { color: var(--danger); background: none; border: none; font-size: 16px; padding: 4px 6px; }
.sub-add { border: 1px dashed var(--border); background: none; color: var(--primary); border-radius: 6px; padding: 5px 10px; font-size: 12.5px; }

/* 对账单 */
.sum-line { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed #e6e9ed; }
.sum-line:last-child { border-bottom: none; }
.sum-line .big { font-size: 17px; font-weight: 700; color: var(--primary-dark); }

/* Toast */
.toast-wrap { position: fixed; top: 68px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: #1f2328;
  color: #fff;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 13.5px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  animation: fadein 0.2s;
  max-width: 86vw;
}
.toast.error { background: var(--danger); }
.toast.ok { background: var(--success); }
@keyframes fadein { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; } }

/* 图片墙 */
.img-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.img-item { position: relative; width: 86px; height: 86px; }
.img-item img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.img-item video { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); background: #000; cursor: pointer; }
.img-item video.playing { object-fit: contain; }
.img-item .del {
  position: absolute; top: -6px; right: -6px;
  background: var(--danger); color: #fff; border: none;
  width: 20px; height: 20px; border-radius: 50%;
  font-size: 12px; line-height: 1;
}
.empty-tip { color: var(--text-2); text-align: center; padding: 26px 10px; font-size: 13px; }

/* 访问卡片布局（详情页） */
.visit-card { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; background: #fcfdfe; }
.visit-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.visit-head .t { font-weight: 600; }
.visit-sec { margin-top: 8px; }
.visit-sec .st { font-size: 12px; color: var(--text-2); margin-bottom: 4px; font-weight: 600; }

/* 权限勾选 */
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.perm-grid label { display: flex; align-items: center; gap: 6px; font-size: 13px; padding: 6px 8px; background: #f6f8fa; border-radius: 7px; }

/* 分页 */
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 10px; font-size: 13px; color: var(--text-2); }

/* 桌面端 */
@media (min-width: 860px) {
  .bottomnav { display: none; }
}
/* 移动端 */
@media (max-width: 859px) {
  .sidebar { display: none; }
  .bottomnav { display: flex; }
  .main { margin-left: 0; padding: calc(var(--topbar-h) + 12px) 12px 24px; }
  .chart-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .stat-card .v { font-size: 18px; }
  .topbar .logo { font-size: 14px; }
}
@media (max-width: 480px) {
  table.tbl th, table.tbl td { padding: 8px 8px; font-size: 12.5px; }
}

/* v2：设置页 / 帮助页 / 隐藏文件输入 */
.hidden-input { display: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.set-block { display: flex; flex-direction: column; gap: 14px; }
.set-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.set-row .st { width: 190px; font-size: 13px; color: var(--text-1); font-weight: 600; flex-shrink: 0; }
.row-input { display: flex; gap: 8px; flex: 1; min-width: 220px; }
.row-input input { flex: 1; min-width: 160px; }
.layout-editor { width: 100%; display: flex; flex-direction: column; gap: 6px; }
.layout-row { display: flex; align-items: center; gap: 8px; background: #f6f8fa; border-radius: 8px; padding: 6px 10px; flex-wrap: wrap; }
.layout-row .idx { width: 22px; text-align: center; color: var(--text-2); font-size: 12.5px; }
.layout-row .ico { width: 52px; text-align: center; }
.layout-row .name { flex: 1; min-width: 120px; }
.layout-row .vis { display: flex; align-items: center; gap: 5px; font-size: 13px; white-space: nowrap; }
.help-list { display: flex; flex-direction: column; gap: 12px; }
.help-item b { color: var(--primary); margin-right: 8px; }
.help-item span { color: var(--text-1); font-size: 13.5px; line-height: 1.7; }
.nowrap { white-space: nowrap; }

/* v6：注册链接 / 红色警示文字 / 单下拉配件 */
.login-links { margin-top: 14px; text-align: center; }
.login-links a { color: var(--primary); cursor: pointer; font-size: 13px; }
.red { color: var(--danger); }
.sub-row .w-part { flex: 2; min-width: 160px; }
.radio-row { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }
.radio-row label { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.part-checkboxes { display: flex; flex-wrap: wrap; gap: 4px 20px; align-items: center; }
.part-checkboxes .cb { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; padding: 2px 0; cursor: pointer; white-space: nowrap; flex: 0 0 auto; }