/* ============================================================
   币安合约交易系统 - 专业交易终端 UI v2
   设计语言：深色高对比 · 信息分层 · 数据优先
   兼容：全部保留 v1 class，仅增强视觉层级与交互细节
   ============================================================ */
:root {
  /* ---- 表面层级（从背景到最顶层依次提亮） ---- */
  --bg:        #0a0d12;
  --bg-soft:   #0e1218;
  --surface:   #12161d;
  --surface-2: #171c25;
  --surface-3: #1e2530;
  --surface-4: #27303f;
  --border:    #1e2530;
  --border-2:  #2a3342;
  --border-3:  #39445a;

  /* ---- 文本 ---- */
  --text:      #e6eaf2;
  --text-2:    #9aa3b5;
  --muted:     #5c6474;
  --faint:     #464e5e;

  /* ---- 品牌与交互 ---- */
  --accent:    #4c82fb;
  --accent-2:  #2563eb;
  --accent-soft: rgba(76,130,251,.14);
  --brand:     #f0b90b;           /* 币安金 */
  --brand-soft: rgba(240,185,11,.12);

  /* ---- 行情语义 ---- */
  --up:        #0ecb81;
  --up-soft:   rgba(14,203,129,.12);
  --down:      #f6465d;
  --down-soft: rgba(246,70,93,.12);
  --warn:      #f0b90b;
  --warn-soft: rgba(240,185,11,.12);

  --radius:    12px;
  --radius-s:  8px;
  --mono: "SFMono-Regular", Consolas, "Cascadia Mono", "Roboto Mono", ui-monospace, monospace;
  --shadow: 0 8px 28px rgba(0,0,0,.30);
  --shadow-sm: 0 2px 10px rgba(0,0,0,.22);

  /* ---- 间距刻度 ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  /* ---- 字号刻度 ---- */
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-base: 13px;
  --fs-md: 14px;
  --fs-lg: 16px;
  --fs-xl: 20px;

  /* ---- 阴影层级 ---- */
  --shadow-1: 0 1px 3px rgba(0,0,0,.20);
  --shadow-2: 0 4px 14px rgba(0,0,0,.25);
  --shadow-3: 0 8px 28px rgba(0,0,0,.32);
  --shadow-4: 0 16px 48px rgba(0,0,0,.42);
  --shadow-glow-accent: 0 0 0 4px var(--accent-soft);
  --shadow-glow-up: 0 0 0 4px var(--up-soft);
}

/* ================= 浅色主题（白天模式） =================
   默认深色；html[data-theme="light"] 覆盖颜色变量，
   布局/字号/间距刻度保持共享，仅视觉配色切换。 */
html[data-theme="light"] {
  /* 表面层级（浅色：背景到最顶层依次加深） */
  --bg:        #f2f4f8;
  --bg-soft:   #f7f8fb;
  --surface:   #ffffff;
  --surface-2: #eef0f4;
  --surface-3: #e4e7ec;
  --surface-4: #d9dde4;
  --border:    #e2e5ea;
  --border-2:  #d2d6dd;
  --border-3:  #b8bec9;

  /* 文本 */
  --text:      #16181d;
  --text-2:    #3f4655;
  --muted:     #7c8494;
  --faint:     #a6adba;

  /* 品牌与交互 */
  --accent:       #2563eb;
  --accent-2:     #1d4ed8;
  --accent-soft:  rgba(37,99,235,.10);
  --brand:        #b8860b;
  --brand-soft:   rgba(240,185,11,.18);

  /* 行情语义（浅底加深，保证对比度） */
  --up:        #059669;
  --up-soft:   rgba(5,150,105,.12);
  --down:      #dc2626;
  --down-soft: rgba(220,38,38,.10);
  --warn:      #d97706;
  --warn-soft: rgba(217,119,6,.14);

  /* 阴影（浅色更轻） */
  --shadow:    0 8px 28px rgba(31,42,68,.10);
  --shadow-sm: 0 2px 10px rgba(31,42,68,.08);
  --shadow-1:  0 1px 3px rgba(31,42,68,.08);
  --shadow-2:  0 4px 14px rgba(31,42,68,.10);
  --shadow-3:  0 8px 28px rgba(31,42,68,.12);
  --shadow-4:  0 16px 48px rgba(31,42,68,.16);
}
html[data-theme="light"] body {
  background:
    radial-gradient(1100px 480px at 88% -12%, rgba(37,99,235,.06), transparent 62%),
    radial-gradient(900px 420px at -8% 108%, rgba(240,185,11,.05), transparent 60%),
    linear-gradient(180deg, #ffffff, var(--bg) 340px);
}
html[data-theme="light"] a { color: #2563eb; }
html[data-theme="light"] a:hover { color: #1d4ed8; }
html[data-theme="light"] ::selection { background: rgba(37,99,235,.22); }
/* ---- 浅色残留覆盖：顶栏 / 头像 / 导航 ---- */
html[data-theme="light"] .topbar { background: rgba(255,255,255,.85); }
html[data-theme="light"] .topbar nav a:hover { color: #16181d; }
html[data-theme="light"] .topbar nav a.on {
  color: #16181d;
  background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(37,99,235,.05));
}
html[data-theme="light"] .avatar {
  background: linear-gradient(135deg, #eef0f4, #e4e7ec);
  border-color: var(--border-2);
  color: var(--text-2);
}
html[data-theme="light"] input::placeholder { color: #a6adba; }

/* 主题切换按钮 */
.theme-btn {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text-2);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, border-color .15s;
  padding: 0;
}
.theme-btn:hover { background: var(--surface-3); border-color: var(--border-3); }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(1100px 480px at 88% -12%, rgba(76,130,251,.07), transparent 62%),
    radial-gradient(900px 420px at -8% 108%, rgba(240,185,11,.045), transparent 60%),
    linear-gradient(180deg, #0b0f15, var(--bg) 340px);
  background-attachment: fixed;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: #7aa5ff; text-decoration: none; transition: color .12s; }
a:hover { color: #9dbdff; text-decoration: none; }
::selection { background: rgba(76,130,251,.35); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-4); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--surface-3); }

/* ================= 顶栏 ================= */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10,13,18,.78);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(76,130,251,.35), rgba(240,185,11,.25), transparent);
  pointer-events: none;
}
.topbar .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; user-select: none; }
.brand .logo {
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #3b82f6, #22d3ee);
  color: #fff; font-weight: 800; font-size: 16px;
  box-shadow: 0 4px 16px rgba(59,130,246,.4), inset 0 1px 0 rgba(255,255,255,.25);
}
.brand .brand-txt { font-size: 16px; font-weight: 700; letter-spacing: .2px; line-height: 1.2; }
.brand .brand-txt b { color: var(--brand); font-weight: 800; }
.brand .brand-sub { display:block; font-size: 10.5px; color: var(--muted); font-weight: 500; letter-spacing: .5px; margin-top: 1px; }

.topbar nav { display: flex; gap: 2px; flex: 1; align-items: center; }
.topbar nav a {
  color: var(--text-2); padding: 8px 14px; border-radius: 8px;
  font-size: 13.5px; font-weight: 500; transition: all .16s;
  position: relative; display: inline-flex; align-items: center; gap: 6px;
}
.topbar nav a:hover { color: #fff; background: var(--surface-3); }
.topbar nav a.on {
  color: #fff;
  background: linear-gradient(180deg, rgba(76,130,251,.18), rgba(76,130,251,.08));
  box-shadow: inset 0 0 0 1px rgba(76,130,251,.35);
}
.topbar nav a.on::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--accent), #22d3ee);
}
.userbox { display: flex; align-items: center; gap: 10px; margin-left: 4px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #2c3850, #1c2434);
  border: 1px solid var(--border-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #9db6ff;
}
.uname { color: var(--text-2); font-size: 13px; }
.inline { display: inline; }
.link-btn {
  background: none; border: 1px solid transparent; color: #7aa5ff;
  cursor: pointer; font-size: 13px; padding: 5px 9px; border-radius: 7px; transition: all .12s;
}
.link-btn:hover { background: var(--surface-3); color: #fff; }

/* ================= 布局 ================= */
.wrap { max-width: 100%; margin: 0 auto; padding: 0 20px; }
.main { padding-top: 24px; padding-bottom: 80px; }
.grid { display: grid; grid-template-columns: 1fr 400px; gap: 18px; align-items: start; }
@media (max-width: 960px) { .grid { grid-template-columns: 1fr; } }

/* 页面标题 */
.page-title { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.page-title .pt-ico {
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(76,130,251,.22), rgba(34,211,238,.14));
  color: #8db5ff; font-size: 16px;
  box-shadow: inset 0 0 0 1px rgba(76,130,251,.25);
}
.page-title h2 { font-size: 18px; font-weight: 700; letter-spacing: .2px; }
.page-title .pt-sub { font-size: 12.5px; color: var(--muted); margin-left: 2px; }

/* ================= 卡片 ================= */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(28,34,45,.55), rgba(17,21,29,.55)), var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px; margin-bottom: 18px;
  box-shadow: 0 1px 0 rgba(255,255,255,.025) inset, var(--shadow);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 18px; right: 18px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
  pointer-events: none;
}
.card-h {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  font-weight: 600; margin-bottom: 14px; color: #e2e7f1; font-size: 14px; letter-spacing: .2px;
}
.card-h .mini { margin-left: 6px; }

/* 账户高亮面板 */
.acc-card {
  background:
    radial-gradient(620px 210px at 100% 0%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(620px 250px at 0% 100%, rgba(76,130,251,.13), transparent 60%),
    linear-gradient(180deg, rgba(28,34,45,.5), rgba(17,21,29,.5)), var(--surface);
  border-color: rgba(76,130,251,.3);
}
.acc-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 640px) { .acc-row { grid-template-columns: 1fr; gap: 10px; } }
.acc-item {
  position: relative; padding-left: 12px;
}
.acc-item::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px;
  border-radius: 2px; background: linear-gradient(180deg, var(--accent), #22d3ee); opacity: .5;
}
.acc-item .acc-label { font-size: 12px; color: var(--muted); margin-bottom: 4px; letter-spacing: .3px; }
.acc-item .acc-value {
  font-family: var(--mono); font-size: 22px; font-weight: 700; letter-spacing: .2px;
  font-variant-numeric: tabular-nums;
}
.acc-value.up { color: var(--up); }
.acc-value.down { color: var(--down); }

/* ================= 表格 ================= */
.table-wrap { overflow-x: auto; margin: 0 -6px; border-radius: 8px; }
.table-wrap table { margin: 0; width: 100%; min-width: 640px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid rgba(35,42,56,.8); white-space: nowrap; }
th {
  color: var(--muted); font-weight: 600; font-size: 11.5px;
  background: rgba(23,28,37,.9); position: sticky; top: 0; z-index: 1;
  letter-spacing: .5px; text-transform: uppercase;
}
tbody tr { transition: background .12s; }
tbody tr:hover { background: rgba(76,130,251,.05); }
tbody tr:nth-child(even) { background: rgba(255,255,255,.012); }
tbody tr:nth-child(even):hover { background: rgba(76,130,251,.06); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* 标签 */
.tag { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; letter-spacing: .3px; }
.tag.up { background: var(--up-soft); color: var(--up); }
.tag.down { background: var(--down-soft); color: var(--down); }
.up { color: var(--up); }
.down { color: var(--down); }

/* ================= 表单 ================= */
label { display: block; font-size: 12.5px; color: var(--text-2); margin: 14px 0 6px; letter-spacing: .2px; }
input[type=text], input[type=password], input[type=number], input[type=search], select {
  width: 100%; padding: 10px 12px; border-radius: var(--radius-s);
  border: 1px solid var(--border-2); background: var(--surface-2); color: var(--text);
  font-size: 14px; transition: border-color .15s, box-shadow .15s, background .15s;
}
input:hover, select:hover { border-color: var(--border-3); }
input:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(76,130,251,.16);
  background: var(--surface-3);
}
input::placeholder { color: #454e5e; }
.readonly { color: #22d3ee; font-family: var(--mono); }
/* 实时价格涨跌闪烁 */
#live-price.flash-up { background: var(--up-soft); color: var(--up); }
#live-price.flash-down { background: var(--down-soft); color: var(--down); }

/* 方向按钮（开多/开空/平多/平空） */
.dir-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; }
.dir-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 12px 10px; border-radius: var(--radius-s);
  border: 1px solid var(--border-2); background: #0d1118; color: var(--text-2);
  font-size: 13.5px; font-weight: 600; cursor: pointer; user-select: none;
  transition: all .15s;
}
.dir-btn input { display: none; }
.dir-btn .dir-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.dir-btn.long { color: #7fdbb9; }
.dir-btn.long:hover { border-color: rgba(14,203,129,.55); background: rgba(14,203,129,.04); }
.dir-btn.long.on { background: var(--up-soft); border-color: var(--up); color: var(--up); box-shadow: 0 0 0 1px var(--up) inset; }
.dir-btn.short { color: #ff93a0; }
.dir-btn.short:hover { border-color: rgba(246,70,93,.55); background: rgba(246,70,93,.04); }
.dir-btn.short.on { background: var(--down-soft); border-color: var(--down); color: var(--down); box-shadow: 0 0 0 1px var(--down) inset; }

/* 分段切换（市价/限价） */
.seg { display: inline-flex; gap: 2px; background: #0d1118; border: 1px solid var(--border-2); border-radius: var(--radius-s); padding: 3px; }
.seg-btn {
  padding: 7px 18px; border: 0; border-radius: 6px; background: transparent;
  color: var(--text-2); font-size: 13px; cursor: pointer; transition: all .15s;
}
.seg-btn:hover { color: #fff; background: var(--surface-3); }
.seg-btn.on { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(76,130,251,.4); }

/* ================= 按钮 ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border: 0; border-radius: var(--radius-s);
  background: var(--surface-3); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .15s; letter-spacing: .2px;
}
.btn:hover { background: var(--surface-4); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; filter: none !important; box-shadow: none !important; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; box-shadow: 0 4px 14px rgba(59,130,246,.3); }
.btn.primary:hover { filter: brightness(1.1); box-shadow: 0 6px 18px rgba(59,130,246,.4); }
.btn.danger { background: linear-gradient(135deg, #f6465d, #d62f49); color: #fff; box-shadow: 0 4px 14px rgba(246,70,93,.25); }
.btn.danger:hover { filter: brightness(1.1); }
.btn.success { background: linear-gradient(135deg, #0ecb81, #0aa86a); color: #fff; box-shadow: 0 4px 14px rgba(14,203,129,.25); }
.btn.success:hover { filter: brightness(1.1); }
.btn.block { width: 100%; }
.mini {
  padding: 5px 12px; border: 1px solid var(--border-2); border-radius: 7px;
  background: var(--surface-2); color: var(--text-2); font-size: 12px; cursor: pointer; transition: all .12s;
}
.mini:hover { background: var(--surface-3); color: #fff; border-color: var(--border-3); }
.mini:active { transform: translateY(1px); }
.mini.danger { border-color: rgba(246,70,93,.4); color: #ff93a0; }
.mini.danger:hover { background: var(--down-soft); }
.mini.success { border-color: rgba(14,203,129,.4); color: #7ceaa3; }
.mini.success:hover { background: var(--up-soft); }
.mini.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.row { display: flex; gap: 8px; margin-top: 6px; align-items: center; }
.row input { flex: 1; }

/* 提交按钮随方向变色 */
.submit-live { transition: background .2s; }

/* ================= 提示条 ================= */
.alert { padding: 12px 16px; border-radius: var(--radius-s); margin-bottom: 16px; font-size: 13px; }
.alert.warn { background: var(--warn-soft); border: 1px solid rgba(240,185,11,.35); color: #ffd479; }
.alert.ok { background: var(--up-soft); border: 1px solid rgba(14,203,129,.35); color: #7ceaa3; }
.alert a { text-decoration: underline; }

/* ================= Toast ================= */
.toast {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%) translateY(-10px);
  padding: 12px 22px; border-radius: 10px; z-index: 100; font-size: 14px; font-weight: 500;
  box-shadow: 0 14px 40px rgba(0,0,0,.55); opacity: 0;
  animation: toastIn .25s forwards; display: flex; align-items: center; gap: 8px;
  backdrop-filter: blur(8px);
}
@keyframes toastIn { to { opacity: 1; transform: translateX(-50%) translateY(0); } }
.toast .t-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.toast.ok { background: rgba(10,24,17,.92); border: 1px solid rgba(14,203,129,.55); color: #7ceaa3; }
.toast.err { background: rgba(28,12,15,.92); border: 1px solid rgba(246,70,93,.55); color: #ff93a0; }

/* ================= 统计卡片（后台/统计页） ================= */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  position: relative;
  background: linear-gradient(180deg, rgba(28,34,45,.55), rgba(17,21,29,.55)), var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
  transition: border-color .15s, transform .15s;
}
.stat:hover { border-color: var(--border-3); transform: translateY(-1px); }
.stat::after {
  content: ""; position: absolute; left: 16px; right: 16px; top: 0; height: 2px;
  border-radius: 0 0 4px 4px; background: linear-gradient(90deg, var(--accent), transparent); opacity: .6;
}
.stat .num { font-size: 24px; font-weight: 700; font-family: var(--mono); letter-spacing: .2px; font-variant-numeric: tabular-nums; }
.stat .lbl { font-size: 12px; color: var(--muted); margin-top: 5px; letter-spacing: .3px; }
.stat .num.up { color: var(--up); }
.stat .num.down { color: var(--down); }

/* ================= 分页 ================= */
.pager { display: flex; gap: 6px; margin-top: 16px; align-items: center; flex-wrap: wrap; }
.pager a, .pager span { padding: 6px 12px; border: 1px solid var(--border-2); border-radius: 7px; font-size: 13px; color: var(--text-2); }
.pager a:hover { background: var(--surface-3); }
.pager .cur { background: var(--accent); color: #fff; border-color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; }
.muted-sm { color: #4a5260; font-size: 12px; }
.err { color: #ff7a88; }
hr { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }
code {
  font-family: var(--mono); font-size: 12.5px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07);
  padding: 1px 6px; border-radius: 5px; color: #9db6ff;
}

/* ================= 登录页 ================= */
.login-body {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background:
    radial-gradient(820px 520px at 18% 18%, rgba(76,130,251,.16), transparent 55%),
    radial-gradient(720px 520px at 82% 82%, rgba(34,211,238,.09), transparent 55%),
    radial-gradient(500px 300px at 50% 110%, rgba(240,185,11,.06), transparent 60%),
    var(--bg);
  padding: 20px;
}
.login-card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, rgba(30,37,48,.85), rgba(17,21,29,.85)), var(--surface);
  border: 1px solid var(--border-2); border-radius: 18px; padding: 36px 36px 28px;
  width: 100%; max-width: 400px; box-shadow: 0 28px 70px rgba(0,0,0,.5);
}
.login-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, #3b82f6, #22d3ee, #f0b90b);
  opacity: .7;
}
.login-logo {
  width: 50px; height: 50px; border-radius: 14px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #3b82f6, #22d3ee);
  color: #fff; font-size: 24px; font-weight: 800;
  box-shadow: 0 10px 28px rgba(59,130,246,.45), inset 0 1px 0 rgba(255,255,255,.3);
}
.login-card h1 { font-size: 21px; text-align: center; margin-bottom: 2px; letter-spacing: .3px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 24px; text-align: center; }
.tabs { display: flex; gap: 6px; margin-bottom: 20px; background: #0d1118; border: 1px solid var(--border-2); border-radius: 10px; padding: 4px; }
.tab { flex: 1; padding: 9px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); cursor: pointer; font-size: 14px; transition: all .15s; }
.tab:hover { color: var(--text-2); }
.tab.on { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(76,130,251,.35); }
.auth-form input { margin-bottom: 12px; }
.tip { margin-top: 18px; font-size: 12px; color: var(--muted); text-align: center; }

/* ================= 实时行情 ================= */
.ticker-card { border-color: rgba(76,130,251,.25); }
.ticker-title { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--up);
  box-shadow: 0 0 0 0 rgba(14,203,129,.5); animation: livePulse 1.6s infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(14,203,129,.5); }
  70%  { box-shadow: 0 0 0 9px rgba(14,203,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(14,203,129,0); }
}
.ticker-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.ticker-item {
  position: relative; overflow: hidden;
  background: #0d1118; border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 13px; cursor: pointer; transition: border-color .15s, transform .12s, box-shadow .15s;
}
.ticker-item::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px;
  border-radius: 2px; background: var(--muted); opacity: .35; transition: background .15s, opacity .15s;
}
.ticker-item:hover {
  border-color: rgba(76,130,251,.5); transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.ticker-item .t-sym { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .5px; }
.ticker-item .t-price { font-family: var(--mono); font-size: 17px; font-weight: 700; margin: 3px 0 1px; font-variant-numeric: tabular-nums; }
.ticker-item .t-chg { font-size: 12px; font-family: var(--mono); font-weight: 600; }

/* ================= K 线交易页 ================= */
.chart-layout { grid-template-columns: 1fr 370px; }
@media (max-width: 960px) { .chart-layout { grid-template-columns: 1fr; } }
.chart-title { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.chart-title b { font-size: 16px; letter-spacing: .3px; }
.chart-title #ch-price { font-family: var(--mono); font-size: 16px; font-weight: 700; }

/* ================= 币安式价格数据条 ================= */
.binance-bar { padding: 14px 16px 10px; }
.bb-row1 { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.bb-sym { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; }
.bb-sym b { letter-spacing: .3px; }
.bb-tag {
  font-size: 11px; color: var(--muted); border: 1px solid var(--border-2);
  padding: 1px 8px; border-radius: 5px; font-weight: 500; letter-spacing: .5px;
}
.bb-price { font-family: var(--mono); font-size: 32px; font-weight: 700; line-height: 1; letter-spacing: .3px; font-variant-numeric: tabular-nums; }
.bb-chg { font-family: var(--mono); font-size: 14px; font-weight: 700; }
.bb-grid {
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px 12px;
  border-top: 1px solid var(--border); padding-top: 12px;
}
@media (max-width: 1200px) { .bb-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .bb-grid { grid-template-columns: repeat(2, 1fr); } }
.bb-item { min-width: 0; }
.bb-lbl { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: .3px; }
.bb-val { font-family: var(--mono); font-size: 12.5px; color: var(--text-2); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
.bb-ohlc {
  display: flex; gap: 18px; flex-wrap: wrap; padding: 9px 0 10px;
  font-family: var(--mono); font-size: 12px; color: var(--text-2);
  border-bottom: 1px solid rgba(35,42,56,.7); margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
/* 指标开关 */
.ind-switch {
  display: inline-flex; gap: 12px; margin-left: 12px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-2);
}
.ind-switch label {
  display: inline-flex; align-items: center; gap: 4px; cursor: pointer;
  user-select: none; transition: color .12s;
}
.ind-switch input { accent-color: var(--accent); cursor: pointer; }
.ind-switch label:hover { color: #fff; }
@media (max-width: 860px) { .ind-switch { margin-left: 0; width: 100%; } }

/* 自选列表弹窗 */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(4, 7, 12, .76);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  width: 100%; max-width: 460px; max-height: 82vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--border-3); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: 0 24px 70px rgba(0,0,0,.55);
}
.modal-h {
  font-size: 15px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
}
.wl-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 10px; margin: 4px 0;
  background: #0d1118; border: 1px solid var(--border-2); border-radius: var(--radius-s);
  transition: border-color .12s;
}
.wl-row:hover { border-color: var(--border-3); }
.wl-row code {
  font-family: var(--mono); font-size: 13px; color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ================= 新增：专业细节增强 ================= */
/* 快捷下单面板左侧强调 */
.card.order-card { border-color: rgba(240,185,11,.22); }
.order-card::before { background: linear-gradient(90deg, transparent, rgba(240,185,11,.15), transparent); }

/* 空状态/加载态 */
.empty-tip { text-align: center; padding: 22px 10px; color: var(--muted); font-size: 13px; }

/* 分隔标签 */
.divider-tag {
  display: inline-flex; align-items: center; gap: 6px; color: var(--muted);
  font-size: 12px; letter-spacing: .3px;
}

/* 数字徽标（导航通知类） */
.badge-dot {
  min-width: 8px; height: 8px; border-radius: 99px; background: var(--brand);
  display: inline-block; box-shadow: 0 0 6px rgba(240,185,11,.6);
}

/* 交易模式徽章（顶栏 / 设置页） */
.mode-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 11px; border-radius: 99px; font-size: 11.5px; font-weight: 700;
  letter-spacing: .3px; line-height: 1.7; user-select: none; white-space: nowrap;
}
.mode-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.mode-badge.vp   { background: var(--brand-soft); color: var(--brand);  border: 1px solid rgba(240,185,11,.45); }
.mode-badge.live { background: var(--down-soft);  color: #ff93a0;      border: 1px solid rgba(246,70,93,.45); }

/* 焦点可及性 */
:focus-visible { outline: 2px solid rgba(76,130,251,.7); outline-offset: 2px; }

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   企业级全局组件（Enterprise Components）
   从 tg.php 内联样式提取并升级，前缀 ent-
   ============================================================ */

/* ---- 企业级卡片 ---- */
.ent-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.ent-card-h {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.ent-card-h .ico {
  width: 28px; height: 28px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  font-size: 14px; flex: none;
}
.ent-card-h .title {
  font-size: var(--fs-md); font-weight: 700; color: var(--text);
  letter-spacing: .2px;
}
.ent-card-h .tag {
  font-size: var(--fs-xs); color: var(--muted); margin-left: auto;
  font-weight: 500;
}
.ent-card-h .actions {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
}
.ent-card-b {
  padding: 16px 18px;
}

/* ---- 顶部概览栏 ---- */
.ent-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.ent-ov-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.ent-ov-card:hover {
  border-color: var(--border-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.ent-ov-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .6;
}
.ent-ov-card .label {
  font-size: var(--fs-sm); color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px;
}
.ent-ov-card .value {
  font-size: 22px; font-weight: 700; color: var(--text);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.ent-ov-card .sub {
  font-size: var(--fs-sm); color: var(--text-2); margin-top: 4px;
}
.ent-ov-card.brand::before { background: linear-gradient(90deg, transparent, var(--brand), transparent); }
.ent-ov-card.ok .value { color: var(--up); }
.ent-ov-card.warn .value { color: var(--warn); }
.ent-ov-card.bad .value { color: var(--down); }
.ent-ov-card.accent .value { color: var(--accent); }

/* ---- 步骤指示器 ---- */
.ent-stepper {
  display: flex; align-items: center; gap: 0;
  margin-bottom: 22px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 16px 24px;
}
.ent-step {
  flex: 1; display: flex; align-items: center; gap: 12px; position: relative;
}
.ent-step:not(:last-child)::after {
  content: ""; flex: 1; height: 2px;
  background: var(--border-3); margin: 0 16px; min-width: 20px;
}
.ent-step.done:not(:last-child)::after { background: var(--up); }
.ent-step.active:not(:last-child)::after {
  background: linear-gradient(90deg, var(--accent), var(--border-3));
}
.ent-step-num {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; flex: none;
  background: var(--surface-3); color: var(--muted);
  border: 2px solid var(--border-3); transition: all .2s;
}
.ent-step.done .ent-step-num { background: var(--up); border-color: var(--up); color: #fff; }
.ent-step.active .ent-step-num {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: var(--shadow-glow-accent);
}
.ent-step-info .t { font-size: var(--fs-base); font-weight: 600; color: var(--text); }
.ent-step-info .d { font-size: var(--fs-xs); color: var(--muted); margin-top: 1px; }
.ent-step.active .ent-step-info .t { color: var(--accent); }
.ent-step.done .ent-step-info .t { color: var(--up); }

/* ---- 状态指示灯 ---- */
.status-dot {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-sm); font-weight: 500;
}
.status-dot::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted); flex: none;
}
.status-dot.ok::before { background: var(--up); box-shadow: 0 0 6px rgba(14,203,129,.5); }
.status-dot.warn::before { background: var(--warn); box-shadow: 0 0 6px rgba(240,185,11,.5); }
.status-dot.bad::before { background: var(--down); box-shadow: 0 0 6px rgba(246,70,93,.5); }
.status-dot.accent::before { background: var(--accent); box-shadow: 0 0 6px rgba(76,130,251,.5); }
.status-dot.pulse::before { animation: statusPulse 1.6s infinite; }
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ---- 活动时间线 ---- */
.timeline {
  position: relative; padding-left: 24px;
}
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: var(--border-2); border-radius: 2px;
}
.timeline-item {
  position: relative; padding: 10px 0 14px;
}
.timeline-item::before {
  content: ""; position: absolute; left: -21px; top: 14px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--surface-3); border: 2px solid var(--border-3);
}
.timeline-item.ok::before { background: var(--up); border-color: var(--up); }
.timeline-item.warn::before { background: var(--warn); border-color: var(--warn); }
.timeline-item.bad::before { background: var(--down); border-color: var(--down); }
.timeline-item.accent::before { background: var(--accent); border-color: var(--accent); }
.timeline-item .tl-time {
  font-size: var(--fs-xs); color: var(--muted); margin-bottom: 3px;
  font-family: var(--mono);
}
.timeline-item .tl-title {
  font-size: var(--fs-base); font-weight: 600; color: var(--text);
}
.timeline-item .tl-desc {
  font-size: var(--fs-sm); color: var(--text-2); margin-top: 3px; line-height: 1.6;
}

/* ---- API 密钥权限提示框 ---- */
.api-tip-box {
  background: linear-gradient(135deg, rgba(240,185,11,.06), rgba(76,130,251,.04));
  border: 1px solid rgba(240,185,11,.3);
  border-radius: var(--radius-s);
  padding: 14px 16px;
  margin: 14px 0;
}
.api-tip-box .tip-title {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--fs-md); font-weight: 700; color: #ffd479;
  margin-bottom: 10px;
}
.api-tip-box ul {
  list-style: none; padding: 0; margin: 0;
}
.api-tip-box li {
  font-size: var(--fs-sm); color: var(--text-2);
  padding: 5px 0 5px 20px; position: relative; line-height: 1.6;
}
.api-tip-box li::before {
  content: "✓"; position: absolute; left: 0; top: 5px;
  color: var(--up); font-weight: 700; font-size: 12px;
}
.api-tip-box li b { color: var(--text); }

/* ---- 登录页增强 ---- */
.login-status-bar {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 18px; padding: 8px 14px;
  background: rgba(14,203,129,.06);
  border: 1px solid rgba(14,203,129,.25);
  border-radius: 99px;
  font-size: var(--fs-sm); color: var(--up); font-weight: 500;
}
.login-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin: 18px 0 20px;
}
.login-feature {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  font-size: var(--fs-sm); color: var(--text-2);
}
.login-feature .lf-ico {
  width: 22px; height: 22px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; flex: none;
}
.login-footer {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: var(--fs-xs); color: var(--muted);
  line-height: 1.7;
}

/* ---- 导航小屏横向滚动 ---- */
@media (max-width: 1100px) {
  .topbar nav {
    overflow-x: auto; overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 2px;
  }
  .topbar nav::-webkit-scrollbar { height: 3px; }
  .topbar nav::-webkit-scrollbar-thumb { background: var(--surface-4); border-radius: 2px; }
  .topbar nav a { white-space: nowrap; flex-shrink: 0; }
}

/* ---- 企业级组件响应式 ---- */
@media (max-width: 960px) {
  .ent-overview { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ent-overview { grid-template-columns: 1fr; }
  .ent-stepper {
    flex-direction: column; align-items: stretch; gap: 12px;
  }
  .ent-step:not(:last-child)::after { display: none; }
  .login-features { grid-template-columns: 1fr; }
}

/* 表格横向滚动（通用增强） */
.ent-card-b .table-wrap,
.ent-card-b > div[style*="overflow-x:auto"] {
  margin: 0 -4px;
}

/* 企业级卡片内表格适配 */
.ent-card-b table { min-width: 640px; }

/* ---- 强平预警（2026-09 升级） ---- */
.liq-warn { color: #f0b90b !important; }
.liq-danger { color: #ff7a88 !important; font-weight: 600; }
.liq-tag {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 6px;
  border-radius: 99px;
  font-size: 10px;
  line-height: 1.6;
  border: 1px solid currentColor;
  vertical-align: 1px;
}
.liq-warn .liq-tag { color: #f0b90b; background: rgba(240,185,11,.08); }
.liq-danger .liq-tag { color: #ff7a88; background: rgba(246,70,93,.1); }

/* ============================================================
   JyV2 风格主布局：左侧边栏 + 顶栏 + 内容区
   （追加于文件末尾，覆盖旧版顶部导航布局）
   ============================================================ */
html, body { height: 100%; }
body {
  background:
    radial-gradient(1100px 480px at 88% -12%, rgba(240,185,11,.05), transparent 62%),
    var(--bg);
  overflow: hidden;
}
.layout { display: flex; height: 100vh; min-height: 0; }

/* ---- 侧边栏 ---- */
.sidebar {
  width: 212px; flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 16px 12px;
}
.sidebar .brand {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px 20px; font-size: 18px; font-weight: 700; white-space: nowrap;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 8px var(--brand);
}
.brand-txt b { color: var(--brand); }
.nav { display: flex; flex-direction: column; flex: 1; gap: 2px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-s);
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  transition: all .15s;
}
.nav-item:hover { background: var(--surface-3); color: var(--text); }
.nav-item.active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
.nav-icon { font-size: 15px; width: 18px; text-align: center; }
.sidebar-footer { border-top: 1px solid var(--border); padding-top: 12px; }

/* ---- 主区域 ---- */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
.topbar {
  position: relative; z-index: 40;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 20px; min-height: 56px;
}
.topbar::after { display: none; }
.topbar-title { font-size: 16px; font-weight: 600; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.content { flex: 1; overflow-y: auto; padding: 20px; }

/* ---- 窄屏适配：侧边栏折叠为图标栏 ---- */
@media (max-width: 900px) {
  .sidebar { width: 60px; padding: 16px 8px; }
  .sidebar .brand { justify-content: center; padding: 4px 0 20px; }
  .sidebar .brand-txt,
  .sidebar .nav-item span:last-child { display: none; }
  .sidebar .nav-item { justify-content: center; padding: 10px 0; }
  .sidebar .nav-icon { width: auto; }
  .sidebar .mode-badge { font-size: 0; width: 34px; padding: 4px; justify-content: center; }
  .content { padding: 14px; }
}
/* ---- JyV2 风格登录页（覆盖旧登录样式） ---- */
.login-body {
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(240,185,11,.08), transparent),
    var(--bg);
  padding: 20px;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  width: 100%; max-width: 380px;
  box-shadow: var(--shadow);
}
.login-card::before { display: none; }
.login-logo {
  width: 56px; height: 56px; border-radius: 14px; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--brand), #d98e04);
  color: #0b0e13; font-size: 24px; font-weight: 800;
  box-shadow: 0 8px 24px rgba(240,185,11,.35);
}
.login-card h1 { font-size: 18px; margin-bottom: 4px; }
.login-card .sub { margin-bottom: 20px; }
.tab.on { background: var(--brand); color: #0b0e13; box-shadow: 0 2px 10px rgba(240,185,11,.3); font-weight: 600; }