/* ===== 量化系统 PWA —— 移动优先，深浅色自适应 ===== */
:root {
  --bg: #0f1419;
  --bg2: #161c24;
  --bg3: #1e2630;
  --line: #2a3441;
  --fg: #e6edf3;
  --fg2: #9aa7b4;
  --fg3: #6b7785;
  --acc: #2f81f7;
  --acc2: #1f6feb;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --up: #f85149;
  --down: #3fb950;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa; --bg2: #fff; --bg3: #eef1f4; --line: #d8dee4;
    --fg: #1f2328; --fg2: #59636e; --fg3: #818b98;
    --shadow: 0 2px 10px rgba(0,0,0,.08);
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overscroll-behavior-y: none;
}
a { color: var(--acc); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.hide { display: none !important; }

/* ---------- 布局 ---------- */
#app { min-height: 100%; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg2);
  border-bottom: 1px solid var(--line);
  padding-top: max(10px, env(safe-area-inset-top));
}
.topbar h1 { font-size: 17px; margin: 0; font-weight: 600; flex: 1; }
.topbar .who { font-size: 13px; color: var(--fg2); }
.topbar .who b { color: var(--fg); font-weight: 600; }

.shell { display: flex; flex: 1; min-height: 0; }
.sidenav {
  width: 190px; flex: 0 0 190px; background: var(--bg2);
  border-right: 1px solid var(--line); padding: 10px 8px;
  overflow-y: auto;
}
.sidenav a {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px; border-radius: 8px; color: var(--fg2);
  font-size: 14px; margin-bottom: 2px;
}
.sidenav a:hover { background: var(--bg3); color: var(--fg); }
.sidenav a.on { background: var(--acc); color: #fff; }
.sidenav .grp {
  font-size: 11px; color: var(--fg3); text-transform: uppercase;
  letter-spacing: .06em; padding: 14px 12px 5px;
}
main { flex: 1; padding: 16px; min-width: 0; overflow-x: hidden; }

/* 移动端：侧栏变抽屉 */
@media (max-width: 780px) {
  .sidenav {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 100;
    transform: translateX(-100%); transition: transform .22s ease;
    width: 240px; flex-basis: 240px; padding-top: max(14px, env(safe-area-inset-top));
    box-shadow: var(--shadow);
  }
  .sidenav.open { transform: none; }
  .sidenav-mask {
    position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 99;
  }
  main { padding: 12px; }
  #menuBtn { display: inline-flex !important; }
}
#menuBtn { display: none; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
.card > h2 {
  font-size: 15px; margin: 0 0 12px; font-weight: 600;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.card > h2 .sp { flex: 1; }
.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

/* ---------- 指标块 ---------- */
.stat {
  background: var(--bg3); border-radius: 8px; padding: 12px 14px;
}
.stat .k { font-size: 12px; color: var(--fg2); margin-bottom: 4px; }
.stat .v { font-size: 21px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat .s { font-size: 12px; color: var(--fg3); margin-top: 2px; }
.up { color: var(--up); }
.down { color: var(--down); }
/* 状态语义色（与涨跌红绿区分：正常=绿，异常=红，警示=橙） */
.stat .v.ok { color: var(--ok); }
.stat .v.err { color: var(--err); }
.stat .v.warn { color: var(--warn); }
.stat .v.dim { color: var(--fg2); }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, Consolas, monospace; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg3); cursor: pointer; font-size: 14px;
  transition: filter .15s; white-space: nowrap;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.pri { background: var(--acc); border-color: var(--acc); color: #fff; }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #08210c; }
.btn.err { background: var(--err); border-color: var(--err); color: #fff; }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.btn.blk { width: 100%; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 13px; color: var(--fg2); margin-bottom: 5px; }
.input {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg);
  outline: none; transition: border-color .15s;
}
.input:focus { border-color: var(--acc); }
.input::placeholder { color: var(--fg3); }
select.input { appearance: none; background-image: none; }
.hint { font-size: 12px; color: var(--fg3); margin-top: 5px; }
.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row .input { flex: 1; }
.captcha-img {
  height: 42px; width: 118px; border-radius: 8px; border: 1px solid var(--line);
  cursor: pointer; object-fit: cover; background: #fff;
}

/* ---------- 表格 ---------- */
.tw { overflow-x: auto; -webkit-overflow-scrolling: touch; }
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(--fg2); font-weight: 600; font-size: 12.5px; position: sticky; top: 0; background: var(--bg2); }
tbody tr:hover { background: var(--bg3); }
tbody tr.clickable { cursor: pointer; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 600; line-height: 1.7;
  background: var(--bg3); color: var(--fg2); border: 1px solid var(--line);
}
.badge.up { background: rgba(248,81,73,.15); color: var(--up); border-color: rgba(248,81,73,.35); }
.badge.down { background: rgba(63,185,80,.15); color: var(--down); border-color: rgba(63,185,80,.35); }
.badge.ok { background: rgba(63,185,80,.15); color: var(--ok); border-color: rgba(63,185,80,.35); }
.badge.warn { background: rgba(210,153,34,.15); color: var(--warn); border-color: rgba(210,153,34,.35); }
.badge.err { background: rgba(248,81,73,.15); color: var(--err); border-color: rgba(248,81,73,.35); }
.badge.acc { background: rgba(47,129,247,.15); color: var(--acc); border-color: rgba(47,129,247,.35); }

/* ---------- 提示 ---------- */
.toasts { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 9999; width: min(92vw, 460px); }
.toast {
  background: var(--bg2); border: 1px solid var(--line); border-left-width: 4px;
  border-radius: 8px; padding: 11px 14px; margin-bottom: 8px;
  box-shadow: var(--shadow); font-size: 14px; animation: slide .2s ease;
  word-break: break-word;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }
.toast.warn { border-left-color: var(--warn); }
.toast.info { border-left-color: var(--acc); }
@keyframes slide { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- 模态框 ---------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 8000;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 12px;
  width: min(96vw, 520px); max-height: 86vh; overflow-y: auto;
  padding: 20px; box-shadow: var(--shadow);
}
.modal h3 { margin: 0 0 14px; font-size: 16px; }
.modal .acts { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---------- 加载 / 空态 ---------- */
.spin {
  width: 17px; height: 17px; border: 2px solid var(--line);
  border-top-color: var(--acc); border-radius: 50%;
  animation: rot .7s linear infinite; display: inline-block;
}
@keyframes rot { to { transform: rotate(360deg); } }
.loading { display: flex; align-items: center; gap: 9px; color: var(--fg2); padding: 26px; justify-content: center; font-size: 14px; }
.empty { text-align: center; color: var(--fg3); padding: 30px 16px; font-size: 14px; }
.skel {
  background: linear-gradient(90deg, var(--bg3) 25%, var(--bg2) 50%, var(--bg3) 75%);
  background-size: 200% 100%; animation: shim 1.3s infinite;
  border-radius: 5px; height: 14px; margin-bottom: 9px;
}
@keyframes shim { to { background-position: -200% 0; } }

/* ---------- 登录页 ---------- */
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-box {
  width: 100%; max-width: 400px; background: var(--bg2);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 24px; box-shadow: var(--shadow);
}
.login-box .logo { text-align: center; margin-bottom: 22px; }
.login-box .logo .t { font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.login-box .logo .d { font-size: 12.5px; color: var(--fg3); margin-top: 5px; }
.steps { display: flex; gap: 10px; margin-bottom: 20px; font-size: 12px; }
.steps .s {
  flex: 1; display: flex; align-items: center; gap: 6px;
  color: var(--fg3); white-space: nowrap;
}
.steps .s .n {
  width: 18px; height: 18px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
  background: var(--bg3); color: var(--fg3); border: 1px solid var(--line);
}
.steps .s.on { color: var(--fg); font-weight: 600; }
.steps .s.on .n { background: var(--acc); color: #fff; border-color: var(--acc); }
.steps .s.done { color: var(--ok); }
.steps .s.done .n { background: var(--ok); color: #fff; border-color: var(--ok); }
.qr-box { text-align: center; }
.qr-box img, .qr-box canvas {
  width: 200px; height: 200px; border-radius: 10px; background: #fff; padding: 8px;
}
.qr-ph {
  width: 200px; height: 200px; margin: 0 auto; border-radius: 10px;
  background: var(--bg3); border: 1px dashed var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--fg3); font-size: 13px; text-align: center; padding: 16px;
}

/* ---------- 杂项 ---------- */
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.sep { height: 1px; background: var(--line); margin: 16px 0; }
.tag-list { display: flex; gap: 6px; flex-wrap: wrap; }
.kv { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.kv:last-child { border-bottom: 0; }
.kv .k { color: var(--fg2); }
.kv .v { font-weight: 600; font-variant-numeric: tabular-nums; }
.warnbox {
  background: rgba(210,153,34,.1); border: 1px solid rgba(210,153,34,.35);
  border-radius: 8px; padding: 11px 14px; font-size: 13.5px; color: var(--warn);
  margin-bottom: 14px;
}
.errbox {
  background: rgba(248,81,73,.1); border: 1px solid rgba(248,81,73,.35);
  border-radius: 8px; padding: 11px 14px; font-size: 13.5px; color: var(--err);
  margin-bottom: 14px;
}
.okbox {
  background: rgba(63,185,80,.1); border: 1px solid rgba(63,185,80,.35);
  border-radius: 8px; padding: 11px 14px; font-size: 13.5px; color: var(--ok);
  margin-bottom: 14px;
}