/* ==========================================================================
   网课交单系统 · 样式
   风格：玻璃拟态（Glassmorphism）—— 半透明磨砂面板 + 柔和渐变背景
   图标：全部用内联 SVG（描边线性），不使用任何符号 / 表情字符
   ========================================================================== */

:root {
  --text:        #16233d;
  --text-2:      #5d6c88;
  --muted:       #7d8aa5;
  --brand:       #4f46e5;
  --brand-2:     #7c3aed;
  --brand-soft:  rgba(79, 70, 229, .10);
  --ok:          #0ea472;
  --ok-soft:     rgba(16, 164, 114, .12);
  --warn:        #d97706;
  --bad:         #e0444a;
  --bad-soft:    rgba(224, 68, 74, .12);

  /* 玻璃面板 */
  --glass:       rgba(255, 255, 255, .52);
  --glass-2:     rgba(255, 255, 255, .34);
  --glass-brd:   rgba(255, 255, 255, .78);
  /* 弹窗专用：弹窗遮罩会把背景压暗，卡片再只用 .52 的白就会整体发灰发紫，
     所以弹窗的面板要比普通面板更实一点（磨砂保留，但底色几乎不透背景色）。 */
  --glass-modal: rgba(255, 255, 255, .86);
  --glass-line:  rgba(16, 24, 40, .07);
  --glass-shadow: 0 10px 30px rgba(16, 24, 40, .07);
  --blur:        22px;

  --radius:      18px;
  --radius-sm:   11px;
  --topbar-h:    58px;
  --rail-w:      186px;
}

* { box-sizing: border-box; }

/* 统一掉浏览器默认外观：默认样式会在按钮上带一条内高光，和玻璃风格不搭 */
button, input, select, textarea { -webkit-appearance: none; appearance: none; font-family: inherit; }
button { background-image: none; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 14px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  /* 底色：给毛玻璃一层可以糊开的东西 */
  background: linear-gradient(160deg, #eef2ff 0%, #f7f9ff 45%, #eefbf5 100%);
  background-attachment: fixed;
}

/* 背景光斑：几个大色块 + 强模糊，玻璃才有质感 */
body::before {
  content: '';
  position: fixed; inset: -12%;
  z-index: -2; pointer-events: none;
  background:
    radial-gradient(36% 40% at 12% 16%, rgba(99, 102, 241, .58), transparent 62%),
    radial-gradient(32% 36% at 88% 10%, rgba(236, 72, 153, .44), transparent 64%),
    radial-gradient(38% 42% at 74% 88%, rgba(20, 184, 166, .46), transparent 62%),
    radial-gradient(30% 34% at 28% 82%, rgba(129, 140, 248, .42), transparent 64%);
  filter: blur(46px);
}
/* 极缓的呼吸感，别太抢眼 */
body::after {
  content: '';
  position: fixed; inset: -12%;
  z-index: -3; pointer-events: none;
  background: radial-gradient(50% 50% at 30% 30%, rgba(124, 58, 237, .16), transparent 70%);
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  body::after { animation: none; }
}

a { color: var(--brand); text-decoration: none; }
a:hover { opacity: .82; }
.muted { color: var(--muted); font-size: 12px; }

/* ---------------- 玻璃基类 ---------------- */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(175%);
  backdrop-filter: blur(var(--blur)) saturate(175%);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, .55);
  border-radius: var(--radius);
}
/* 浏览器不支持 backdrop-filter 时加深底色，保证文字可读 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(255, 255, 255, .9); }
}

/* ---------------- 布局 ---------------- */
.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--topbar-h); flex: 0 0 var(--topbar-h);
  display: flex; align-items: stretch; gap: 4px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(175%);
  backdrop-filter: blur(var(--blur)) saturate(175%);
  border-bottom: 1px solid var(--glass-line);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px 0 14px; flex: 0 0 auto;
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 10px; flex: 0 0 32px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  box-shadow: 0 6px 16px rgba(99, 102, 241, .35);
}
.brand-mark svg { width: 18px; height: 18px; }
.brand-name { font-weight: 650; font-size: 14.5px; letter-spacing: .2px; white-space: nowrap; }

/* ---------------- 顶部多标签 ---------------- */
.tabs {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 4px;
  padding: 0 6px; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin;
}
.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: rgba(16, 24, 40, .14); border-radius: 3px; }

.tab {
  display: flex; align-items: center; gap: 7px; flex: 0 0 auto;
  height: 34px; padding: 0 8px 0 13px; border-radius: 10px;
  font-size: 13px; color: var(--text-2); cursor: pointer; user-select: none;
  white-space: nowrap; max-width: 210px;
  background: var(--glass-2);
  border: 1px solid transparent;
  transition: background .15s, color .15s, box-shadow .15s;
}
.tab:hover { background: rgba(255, 255, 255, .7); color: var(--text); }
.tab.active {
  background: #fff; color: var(--brand); font-weight: 600;
  box-shadow: 0 2px 10px rgba(16, 24, 40, .1);
  border-color: rgba(255, 255, 255, .9);
}
.tab .tab-name { overflow: hidden; text-overflow: ellipsis; }
.tab .tab-close {
  width: 18px; height: 18px; border-radius: 5px; flex: 0 0 18px;
  display: grid; place-items: center; opacity: .42;
}
.tab .tab-close svg { width: 10px; height: 10px; }
.tab .tab-close:hover { background: rgba(16, 24, 40, .1); opacity: 1; }

/* 标签栏右侧的「⋯」 */
.tabs-more {
  flex: 0 0 auto; align-self: center; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center; color: var(--muted); cursor: pointer; user-select: none;
}
.tabs-more:hover { background: rgba(255, 255, 255, .7); color: var(--text); }
.tabs-more svg { width: 16px; height: 16px; }
/* 「刷新本页」和「标签操作」两个按钮挨在一起，留一点点缝 */
.tabs-more + .tabs-more { margin-left: 3px; }
.tabs-menu {
  position: absolute; top: calc(var(--topbar-h) - 4px); right: 14px; z-index: 50;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--glass-brd); border-radius: 13px;
  box-shadow: 0 12px 34px rgba(16, 24, 40, .16); padding: 5px; min-width: 136px;
}
.tabs-menu button {
  display: block; width: 100%; text-align: left;
  padding: 7px 12px; border: 0; background: none; border-radius: 8px;
  font: inherit; font-size: 13px; color: var(--text); cursor: pointer;
}
.tabs-menu button:hover { background: var(--brand-soft); color: var(--brand); }

/* 顶部右侧信息 */
.topbar-right {
  display: flex; align-items: center; gap: 8px; padding: 0 14px; flex: 0 0 auto;
}
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 11px; border-radius: 999px; font-size: 12px;
  background: var(--glass-2); border: 1px solid var(--glass-brd); color: var(--text-2);
}
.chip.strong { background: var(--ok-soft); border-color: transparent; color: var(--ok); font-weight: 600; }
.chip.admin  { background: rgba(124, 58, 237, .12); border-color: transparent; color: var(--brand-2); font-weight: 600; }
.who { font-weight: 600; font-size: 13px; }
.icon-btn {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  color: var(--muted);
}
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn:hover { background: rgba(255, 255, 255, .72); color: var(--text); opacity: 1; }

/* ---------------- 左侧导航 ---------------- */
.body { flex: 1; display: flex; min-height: 0; }
.rail {
  width: var(--rail-w); flex: 0 0 var(--rail-w);
  padding: 12px 10px; display: flex; flex-direction: column;
  background: var(--glass-2);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(165%);
  backdrop-filter: blur(var(--blur)) saturate(165%);
  border-right: 1px solid var(--glass-line);
  /* 固定侧边栏：吸在顶栏下面，页面往下滚它不动；内容超高时侧栏自己滚 */
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  align-self: flex-start;
  overflow-y: auto;
  scrollbar-width: thin;
}
.rail nav { display: flex; flex-direction: column; gap: 3px; }
.rail-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-2); font-size: 13.5px;
  transition: background .15s, color .15s;
}
.rail-item svg { width: 17px; height: 17px; flex: 0 0 17px; opacity: .82; }
.rail-item:hover { background: rgba(255, 255, 255, .62); color: var(--text); opacity: 1; }
.rail-item.active {
  background: #fff; color: var(--brand); font-weight: 600;
  box-shadow: 0 3px 12px rgba(16, 24, 40, .1);
}
.rail-item.active svg { opacity: 1; }
.rail-sep {
  margin: 12px 10px 6px; padding-top: 11px;
  border-top: 1px solid var(--glass-line);
  color: var(--muted); font-size: 11px; letter-spacing: .08em;
}
.rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 4px; }
.rail-balance {
  background: rgba(255, 255, 255, .6); border: 1px solid var(--glass-brd);
  border-radius: var(--radius-sm); padding: 9px 12px; margin-bottom: 6px;
}
.balance { font-size: 17px; font-weight: 700; letter-spacing: .2px; }

/* ---------------- 内容区 ---------------- */
.content { flex: 1; min-width: 0; padding: 20px 22px; }
.foot { padding: 18px 0 6px; color: var(--muted); font-size: 12px; }

.notice {
  background: rgba(255, 251, 235, .8);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid rgba(245, 158, 11, .28); color: #92610a;
  border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 16px; font-size: 13px;
}

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(175%);
  backdrop-filter: blur(var(--blur)) saturate(175%);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, .55);
  border-radius: var(--radius);
  padding: 20px; margin-bottom: 16px;
}
.card-title {
  font-weight: 650; font-size: 15px; margin: 0 0 15px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.card-title small { font-weight: 400; color: var(--muted); font-size: 12px; }

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 980px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
  .rail { display: none; }
}
@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* 数据块 */
.stat {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(175%);
  backdrop-filter: blur(var(--blur)) saturate(175%);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, .55);
  border-radius: var(--radius); padding: 15px 17px;
}
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 25px; font-weight: 700; margin-top: 3px; letter-spacing: .3px; }

/* ---------------- 表单 ---------------- */
label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-2); }
label.field > span em { color: var(--bad); font-style: normal; }

input[type=text], input[type=password], input[type=email], input[type=number],
input[type=date], select, textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid rgba(16, 24, 40, .10); border-radius: var(--radius-sm);
  font: inherit; color: inherit;
  background: rgba(255, 255, 255, .72); outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(79, 70, 229, .55); background: #fff;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
}
textarea { resize: vertical; min-height: 76px; line-height: 1.7; font-family: ui-monospace, Consolas, Menlo, monospace; font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 5px; line-height: 1.6; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 17px; border-radius: var(--radius-sm);
  border: 1px solid transparent; color: #fff; font: inherit; font-weight: 550; cursor: pointer;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 16px rgba(79, 70, 229, .28);
  transition: transform .12s, box-shadow .15s, opacity .15s;
}
.btn:hover { opacity: .95; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn svg { width: 15px; height: 15px; }
.btn-line {
  background: rgba(255, 255, 255, .68); color: var(--text);
  border-color: rgba(16, 24, 40, .12); box-shadow: none;
}
.btn-line:hover { background: #fff; border-color: rgba(79, 70, 229, .45); color: var(--brand); opacity: 1; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; border-radius: 9px; }
.btn-danger { background: linear-gradient(135deg, #e0444a, #c9353a); box-shadow: 0 6px 16px rgba(224, 68, 74, .26); }
.btn-ok { background: linear-gradient(135deg, #10b981, #059669); box-shadow: 0 6px 16px rgba(16, 185, 129, .26); }
.btn-block { width: 100%; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row-end { justify-content: flex-end; }

/* ---------------- 表格 ---------------- */
.table-wrap {
  overflow-x: auto; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-line); background: rgba(255, 255, 255, .38);
}
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td {
  padding: 11px 13px; border-bottom: 1px solid var(--glass-line);
  text-align: left; vertical-align: middle; white-space: nowrap;
}
table.data th {
  color: var(--text-2); font-weight: 550; font-size: 12.5px;
  background: rgba(255, 255, 255, .46);
}
table.data tr:hover td { background: rgba(255, 255, 255, .34); }
table.data tr:last-child td { border-bottom: 0; }
table.data td.wrap { white-space: normal; min-width: 200px; }
table.data .mono { font-family: ui-monospace, Consolas, Menlo, monospace; font-size: 12px; }

/* ---------------- 状态 ---------------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.st-pending { background: rgba(16, 24, 40, .07); color: var(--text-2); }
.st-run     { background: var(--brand-soft); color: var(--brand); }
.st-done    { background: var(--ok-soft); color: var(--ok); }
.st-fail    { background: var(--bad-soft); color: var(--bad); }
.st-cancel  { background: rgba(217, 119, 6, .12); color: var(--warn); }
/* 排队中（同账号别的课程在跑）—— 用冷色，和「待处理」的灰区分开 */
.st-queue   { background: rgba(59, 130, 246, .12); color: #2563eb; }
/* 已暂停 —— 琥珀色，和「已取消」同色系但更实 */
.st-pause   { background: rgba(217, 119, 6, .18); color: #b45309; }

/* ---------------- 弹窗（替代浏览器原生 confirm / prompt / alert） ----------------
   原生弹窗样式跟站内毛玻璃完全不搭，也没法控制排版，所以统一用站内组件。
   结构由 assets/app.js 的 Dialog / uiConfirm / uiPrompt / uiAlert 生成。 */
.dlg-layer {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(18, 24, 46, .30);
  backdrop-filter: blur(7px) saturate(150%);
  -webkit-backdrop-filter: blur(7px) saturate(150%);
  opacity: 0; transition: opacity .16s ease;
  padding: 20px;
}
.dlg-layer.show { opacity: 1; }
.dlg-card {
  width: min(430px, 100%);
  background: var(--glass-modal);   /* 不用 --glass：见上面变量处的说明 */
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius);
  box-shadow: 0 26px 64px rgba(18, 24, 46, .24), inset 0 1px 0 rgba(255, 255, 255, .6);
  padding: 22px 22px 18px;
  transform: translateY(-10px) scale(.985);
  transition: transform .18s cubic-bezier(.2, .8, .3, 1);
}
.dlg-layer.show .dlg-card { transform: none; }
.dlg-title { margin: 0 0 10px; font-size: 16px; font-weight: 700; color: var(--text); }
.dlg-body {
  font-size: 13.5px; line-height: 1.75; color: var(--text-2);
  white-space: pre-wrap; word-break: break-word;
}
.dlg-input {
  width: 100%; margin-top: 14px; padding: 10px 13px; font-size: 14px;
  border: 1px solid var(--glass-line); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .78); color: var(--text);
}
.dlg-input:focus { outline: none; border-color: var(--brand); background: #fff; }
.dlg-acts { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.dlg-card.danger .dlg-title { color: var(--bad); }

/* ---------------- 订单详情弹窗（替代原来的整页 ?p=order_view） ---------------- */
.dlg-card.wide {
  width: min(860px, 100%);
  max-height: calc(100vh - 40px);
  display: flex; flex-direction: column;
}
.dlg-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.dlg-head .dlg-title { margin: 0; }
.dlg-x {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center; border: 0; background: none;
  color: var(--muted); cursor: pointer;
}
.dlg-x:hover { background: rgba(16, 24, 40, .07); color: var(--text); }
.dlg-x svg { width: 15px; height: 15px; }

.dlg-no {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 12px;
  background: var(--brand-soft); margin-bottom: 14px;
}
.dlg-no-label { flex: 0 0 auto; color: var(--text-2); font-size: 12.5px; }
.dlg-no-val {
  flex: 1 1 auto; min-width: 0; color: var(--text); font-size: 13px;
  font-family: ui-monospace, Consolas, Menlo, monospace;
  overflow-wrap: anywhere;
}
.dlg-copy {
  flex: 0 0 auto; width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center; border: 0; background: none;
  color: var(--brand); cursor: pointer;
}
.dlg-copy:hover { background: rgba(79, 70, 229, .14); }
.dlg-copy svg { width: 15px; height: 15px; }

/* 信息表：4 列（标签/值/标签/值）；整行的那几项用 .dg-span 占满右侧 3 列 */
.dlg-grid {
  display: grid; grid-template-columns: 96px minmax(0, 1fr) 96px minmax(0, 1fr);
  border: 1px solid var(--glass-line); border-radius: 12px;
  overflow: hidden auto; min-height: 0; flex: 1 1 auto;
}
.dlg-grid > div {
  padding: 11px 13px; font-size: 13px; line-height: 1.55;
  border-bottom: 1px solid var(--glass-line);
}
/* 标签列：必须是**不透明**的浅灰 ——
   原来是 rgba(255,255,255,.5)，会透过玻璃卡片把背后的紫蓝渐变吸上来，
   实测出来是 #DFDFE7（B 通道比 R 高 8），看着发脏发紫。 */
.dlg-grid .dg-label { background: #eef1f7; color: var(--text-2); font-size: 12.5px; }
.dlg-grid .dg-value { color: var(--text); overflow-wrap: anywhere; }
.dlg-grid .dg-value.dg-span { grid-column: 2 / -1; }
.dlg-grid .dg-value.mono { font-family: ui-monospace, Consolas, Menlo, monospace; font-size: 12px; }
/* 面板变白之后，.07 的分割线基本看不见，这里单独加重一点 */
.dlg-grid { border-color: rgba(16, 24, 40, .12); }
.dlg-grid > div { border-bottom-color: rgba(16, 24, 40, .09); }
.dlg-bar { display: flex; align-items: center; gap: 10px; }
.dlg-bar .progress { flex: 1 1 auto; }
.dlg-bar span { flex: 0 0 auto; color: var(--text-2); font-size: 12.5px; }

/* 弹窗里的警示条（例如「上次通知刷课机退出失败」） */
.dlg-warn {
  margin-top: 12px; padding: 10px 14px; border-radius: 11px;
  background: var(--bad-soft); border: 1px solid rgba(224, 68, 74, .28);
  color: #b03a3f; font-size: 12.8px; line-height: 1.65;
}

/* ---------------- 自定义下拉（原生 <select> 的弹出层没法美化，整体接管） ----------------
   原生 select 留在 DOM 里（表单语义 / onchange / .value 读写照旧），只是被透明盖住。
   浮层挂到 <body> 下 + fixed 定位：.table-wrap 是 overflow:auto，留在原位会被裁掉。 */
.jd-select { position: relative; display: block; }
.jd-select.is-narrow { display: inline-block; vertical-align: middle; }
.jd-select > select {
  position: absolute; left: 0; top: 0; width: 100%; height: 100%;
  opacity: 0; pointer-events: none; margin: 0;
}
.jd-btn {
  display: flex; align-items: center; gap: 8px; width: 100%;
  background: rgba(255, 255, 255, .72); border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm); color: var(--text);
  padding: 8px 11px; font-size: 13px; font-family: inherit;
  cursor: pointer; text-align: left; line-height: 1.4;
  transition: border-color .14s ease, background .14s ease;
}
.jd-btn:hover { border-color: var(--brand); background: #fff; }
.jd-btn.open { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.jd-btn .jd-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.jd-btn .jd-label.placeholder { color: var(--muted); }
.jd-arrow {
  flex: 0 0 auto; width: 0; height: 0;
  border-left: 4.5px solid transparent; border-right: 4.5px solid transparent;
  border-top: 5px solid var(--muted); transition: transform .18s;
}
.jd-btn.open .jd-arrow { transform: rotate(180deg); border-top-color: var(--brand); }
.jd-select.is-disabled .jd-btn { cursor: not-allowed; opacity: .55; }
.jd-select.is-disabled .jd-btn:hover { border-color: var(--glass-line); background: rgba(255, 255, 255, .72); }

.jd-panel {
  position: fixed; z-index: 220; padding: 6px;
  background: #fff; border: 1px solid var(--glass-line); border-radius: 12px;
  box-shadow: 0 18px 44px rgba(18, 24, 46, .18);
  max-height: 280px; overflow-y: auto;
}
.jd-option {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 8px 10px; border-radius: 9px; font-size: 13px; line-height: 1.45;
  color: var(--text-2); cursor: pointer; white-space: normal;
}
.jd-option + .jd-option { margin-top: 2px; }
.jd-option:hover { background: var(--brand-soft); color: var(--brand); }
.jd-option.selected { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.jd-option .jd-text { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.jd-option .jd-tick { flex: 0 0 auto; opacity: 0; font-size: 11px; margin-top: 2px; }
.jd-option.selected .jd-tick { opacity: .85; }

/* ---------------- 批量选择 / 批量删除 ---------------- */
.batch-bar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px; min-height: 32px;
}
.batch-count { font-size: 12.5px; color: var(--brand); }
.batch-bar .btn:disabled { opacity: .5; cursor: not-allowed; }
table.data td.pick, table.data th.pick { width: 38px; text-align: center; }
table.data .batch-item, table.data .batch-all { width: 16px; height: 16px; }

/* ---------------- 批量导出弹层 ---------------- */
.exp-meta { padding: 10px 13px; border-radius: var(--radius-sm); background: var(--glass-2); }
.exp-h { margin: 14px 0 8px; font-size: 13px; font-weight: 600; }
.exp-fields {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px;
  padding: 10px 13px; border-radius: var(--radius-sm);
  background: var(--glass-2); border: 1px solid var(--glass-line);
}
.exp-fields .inline-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.exp-fields input[type=checkbox] { width: 16px; height: 16px; }
.exp-preview {
  max-height: 280px; overflow: auto;
  border: 1px solid var(--glass-line); border-radius: var(--radius-sm);
}
.exp-preview table { width: 100%; }
.exp-preview th, .exp-preview td { padding: 7px 10px; text-align: left; }
.exp-preview thead th { position: sticky; top: 0; background: var(--glass-2); z-index: 1; }

/* ---------------- 表格里的「操作」下拉 ----------------
   一行里可能有七八个操作（详情/刷新/补刷/暂停/继续/取消…），全摊在单元格里根本放不下，
   所以收成一个「操作」按钮 + 下拉菜单。
   ⚠️ 菜单打开时会**挪到 <body> 下**（见 assets/app.js 的 OpMenu）：
   .table-wrap 是 overflow:auto，留在原位会被裁掉。 */
.opmenu { position: relative; display: inline-block; }
.opmenu-btn { display: inline-flex; align-items: center; gap: 6px; }
.opmenu-btn .caret { width: 11px; height: 11px; transition: transform .16s; }
.opmenu-btn.open .caret { transform: rotate(180deg); }

.opmenu-panel {
  position: fixed; z-index: 150;
  min-width: 136px; padding: 5px;
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-brd); border-radius: 12px;
  box-shadow: 0 14px 36px rgba(16, 24, 40, .18);
  display: none; flex-direction: column; gap: 1px;
}
.opmenu-panel.show { display: flex; }
.opmenu-panel .opmenu-item {
  display: block; width: 100%; text-align: left; box-sizing: border-box;
  padding: 8px 12px; border: 0; background: none; border-radius: 8px;
  font: inherit; font-size: 13px; line-height: 1.4; color: var(--text-2);
  cursor: pointer; white-space: nowrap; text-decoration: none;
}
.opmenu-panel .opmenu-item:hover {
  background: var(--brand-soft); color: var(--brand);
  border-color: transparent;
}
.opmenu-panel .opmenu-item.danger { color: var(--bad); }
.opmenu-panel .opmenu-item.danger:hover { background: var(--bad-soft); color: var(--bad); }
.opmenu-panel .opmenu-sep { height: 1px; margin: 4px 6px; background: var(--glass-line); }

.progress { height: 6px; background: rgba(16, 24, 40, .09); border-radius: 999px; overflow: hidden; min-width: 74px; }
/* 「改任务类型」下拉：表格里做得紧凑一点，别把行撑高 */
select.type-pick {
  width: auto; min-width: 86px; padding: 3px 8px; font-size: 12.5px;
  border-radius: 8px; background: rgba(255, 255, 255, .75);
}
select.type-pick:disabled { opacity: .5; }.progress > i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }
.progress.done > i { background: linear-gradient(90deg, #10b981, #059669); }
.progress.fail > i { background: linear-gradient(90deg, #e0444a, #c9353a); }

/* ---------------- 登录 / 注册 ---------------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 26px; }
.auth-card {
  width: 100%; max-width: 392px; padding: 30px 28px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-brd);
  box-shadow: 0 22px 60px rgba(16, 24, 40, .16), inset 0 1px 0 rgba(255, 255, 255, .6);
  border-radius: 22px;
}
.auth-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 24px; }
.auth-brand .brand-mark { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 13px; }
.auth-brand .brand-mark svg { width: 22px; height: 22px; }
.auth-brand h1 { font-size: 19px; margin: 0; font-weight: 650; }
.auth-brand .sub { color: var(--muted); font-size: 12px; }
.auth-card h1 { font-size: 20px; margin: 0 0 4px; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.auth-foot { text-align: center; margin-top: 17px; font-size: 13px; color: var(--muted); }

.alert { border-radius: var(--radius-sm); padding: 10px 13px; font-size: 13px; margin-bottom: 15px; }
.alert-error { background: var(--bad-soft); border: 1px solid rgba(224, 68, 74, .28); color: #b3262c; }
.alert-ok    { background: var(--ok-soft); border: 1px solid rgba(16, 164, 114, .26); color: #08785a; }

/* ---------------- 批量查课 ---------------- */
.course-list {
  max-height: 540px; overflow-y: auto;
  border: 1px solid var(--glass-line); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .38);
}

/* 复选框：全局 appearance:none 会把原生勾选框整个扒掉（只剩一个看不见的空盒子），
   必须自己画：未选 = 描边小方框；选中/半选 = 品牌色填充 + 白勾 / 白横杠 */
input[type="checkbox"] {
  flex: 0 0 auto; width: 16px; height: 16px; margin: 0; padding: 0;
  border: 1.5px solid #9aa6bd; border-radius: 4px;
  background: rgba(255, 255, 255, .92);
  display: inline-grid; place-items: center; cursor: pointer; vertical-align: middle;
  transition: background .12s ease, border-color .12s ease;
}
input[type="checkbox"]:hover { border-color: var(--brand); }
input[type="checkbox"]:checked { background: var(--brand); border-color: var(--brand); }
input[type="checkbox"]:checked::after {
  content: ""; width: 8px; height: 4px; margin-top: -2px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
input[type="checkbox"]:indeterminate { background: var(--brand); border-color: var(--brand); }
input[type="checkbox"]:indeterminate::after {
  content: ""; width: 8px; height: 2px; border-radius: 1px; background: #fff;
}
input[type="checkbox"]:disabled { opacity: .4; cursor: not-allowed; }

.course-item {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px; border-bottom: 1px solid var(--glass-line); cursor: pointer;
}
.course-item:last-child { border-bottom: 0; }
.course-item:hover { background: rgba(255, 255, 255, .42); }
/* 勾选态要一眼能看出来：品牌色底 + 左侧色条 + 课程名变色（JS 会同步加/去 .picked） */
.course-item.picked {
  background: rgba(79, 70, 229, .12);
  box-shadow: inset 3px 0 0 var(--brand);
}
.course-item.picked .name { color: var(--brand); }
.course-item .name { font-weight: 550; }
.course-item .meta { color: var(--muted); font-size: 12px; }

/* 一个账号一张卡片：头部（账号 + 全选 + 徽标）+ 课程行，卡片之间留缝 */
.acc-block {
  margin: 10px; border: 1px solid var(--glass-line); border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .46); overflow: hidden;
}
.acc-head {
  display: flex; align-items: center; gap: 11px; flex-wrap: wrap;
  padding: 10px 13px; background: rgba(255, 255, 255, .58);
  border-bottom: 1px solid var(--glass-line);
}
.acc-head b { font-weight: 600; }
.acc-error { padding: 9px 13px; color: var(--bad); font-size: 13px; }

/* ---------------- 日志列表 ---------------- */
.log-list { max-height: 460px; overflow-y: auto; }
.log-item {
  border-left: 2px solid var(--glass-line);
  padding: 7px 0 7px 13px; margin-left: 4px; font-size: 13px;
}
.log-item .t { color: var(--muted); font-size: 12px; margin-right: 9px; }

/* 用文字 + 颜色表示结果，不用勾叉符号 */
.res-ok   { color: var(--ok); font-weight: 600; }
.res-err  { color: var(--bad); font-weight: 600; }
.res-line { border-left-color: var(--glass-line); }
.res-line.ok  { border-left-color: var(--ok); }
.res-line.err { border-left-color: var(--bad); }

/* ---------------- 分页 ---------------- */
.pager { display: flex; gap: 6px; align-items: center; margin-top: 15px; flex-wrap: wrap; }
.pager a, .pager span {
  padding: 6px 12px; border-radius: 9px;
  border: 1px solid rgba(16, 24, 40, .1);
  background: rgba(255, 255, 255, .68); font-size: 13px; color: var(--text);
}
.pager .cur {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent; color: #fff;
}
.pager .off { color: rgba(16, 24, 40, .3); }

/* ---------------- toast ---------------- */
.toast {
  position: fixed; left: 50%; bottom: 42px;
  transform: translateX(-50%) translateY(18px);
  padding: 11px 19px; border-radius: 12px;
  background: rgba(22, 35, 61, .92); color: #fff; font-size: 13px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 12px 34px rgba(16, 24, 40, .28);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  z-index: 999; max-width: 80vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: rgba(192, 53, 58, .94); }
.toast.ok  { background: rgba(8, 120, 90, .94); }

.empty { text-align: center; color: var(--muted); padding: 42px 0; }
.filters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 980px) { .filters { grid-template-columns: 1fr 1fr; } }