:root {
  --bg:        #0b0f17;
  --bg-soft:   #121826;
  --panel:     #161d2d;
  --panel-2:   #1c2536;
  --border:   #27314a;
  --text:      #e7edf7;
  --muted:     #8a98b6;
  --accent:    #f7931a;   /* BTX orange */
  --accent-2:  #4ade80;
  --red:       #ef4444;
  --blue:      #38bdf8;
  --purple:    #a78bfa;
  --shadow:    0 4px 18px rgba(0,0,0,.35);
}

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

body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(247,147,26,.08), transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, rgba(56,189,248,.08), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }
.r  { text-align: right; }
.c  { text-align: center; }

/* ===== 顶栏 ===== */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 14px 20px;
  background: rgba(11,15,23,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 30px; }
.brand h1 { font-size: 18px; margin: 0; letter-spacing: .3px; }
.brand .sub { margin: 0; color: var(--muted); font-size: 12px; }

.controls { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 11px; color: var(--muted); }
.field input {
  min-width: 360px;
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  outline: none;
}
.field input:focus { border-color: var(--accent); }

.btn {
  padding: 9px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.btn:hover { border-color: var(--accent); background: var(--panel); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1a1206; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.auto { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); user-select: none; cursor: pointer; }
.auto input { accent-color: var(--accent); }

/* ===== KPI / 通用内容块（算力概览 / 账本 / 产出统计 共用） ===== */

/* ===== 通用内容块（算力概览 / 账本 / 产出统计 共用） ===== */
.block { padding: 14px 20px 0; }
.block-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 10px; margin-bottom: 8px;
}
.block-head h2 { margin: 0; font-size: 14px; color: var(--text); }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.kpi {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--accent);
}
.kpi.green::before { background: var(--accent-2); }
.kpi.blue::before  { background: var(--blue); }
.kpi.purple::before{ background: var(--purple); }
.kpi.red::before   { background: var(--red); }
.kpi .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.kpi .value { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .hint  { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* ===== Tabs ===== */
.tabs-wrap { padding: 12px 20px 80px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; flex-wrap: wrap; }
.tab {
  padding: 9px 14px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  transition: all .15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.panel { display: none; animation: fade .25s ease; }
.panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; flex-wrap: wrap; margin-bottom: 12px;
}
.panel-head h2 { margin: 0; font-size: 16px; }

.page-controls { display: flex; align-items: center; gap: 8px; }

/* ===== 矿机卡片 ===== */
.worker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}
.worker-card {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.worker-card .w-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.worker-card .w-name { font-weight: 700; font-size: 15px; }
.worker-card .w-hash { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.worker-card .w-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; font-size: 12px; }
.worker-card .w-stats .k { color: var(--muted); }
.worker-card .w-stats .v { font-variant-numeric: tabular-nums; text-align: right; }

.gpu-list { margin-top: 12px; border-top: 1px dashed var(--border); padding-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.gpu-row { display: grid; grid-template-columns: 56px 1fr auto auto; gap: 10px; align-items: center; font-size: 12px; }
.gpu-row .gname { color: var(--muted); font-family: ui-monospace, monospace; }
.gpu-row .gbar { height: 6px; border-radius: 3px; background: var(--bg); overflow: hidden; }
.gpu-row .gbar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.gpu-row .ghash { font-variant-numeric: tabular-nums; color: var(--accent); font-size: 12px; }
.gpu-row .gpwr  { color: var(--muted); font-variant-numeric: tabular-nums; width: 56px; text-align: right; }

.gpu-model-tag {
  display: inline-block; margin: 8px 0 0;
  font-size: 11px; color: var(--blue);
  background: rgba(56,189,248,.08);
  border: 1px solid rgba(56,189,248,.25);
  padding: 3px 8px; border-radius: 6px;
}

/* ===== 表格 ===== */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: auto;
  box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  position: sticky; top: 0;
  background: var(--panel-2);
  text-align: left;
  padding: 10px 12px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  z-index: 1;
}
tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
tbody tr:hover { background: rgba(255,255,255,.02); }
tbody tr:last-child td { border-bottom: none; }

td.mono, th.mono { font-family: ui-monospace, monospace; font-size: 12px; }
.hash-cell {
  max-width: 220px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hash-cell:hover { color: var(--text); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 600;
}
.badge.immature { background: rgba(247,147,26,.15); color: var(--accent); border: 1px solid rgba(247,147,26,.35); }
.badge.mature   { background: rgba(74,222,128,.15); color: var(--accent-2); border: 1px solid rgba(74,222,128,.35); }
.badge.paid     { background: rgba(56,189,248,.15); color: var(--blue); border: 1px solid rgba(56,189,248,.35); }
.badge.orphan   { background: rgba(239,68,68,.12);  color: var(--red); border: 1px solid rgba(239,68,68,.35); }

.empty, .loading {
  padding: 32px; text-align: center; color: var(--muted);
}

/* ===== 状态栏 ===== */
.statusbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 20px;
  background: rgba(11,15,23,.9);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--border);
  font-size: 12px;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted);
}
.dot.ok  { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.dot.err { background: var(--red); }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 48px; left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--red);
  color: var(--text); border-radius: 8px;
  padding: 10px 16px; font-size: 13px;
  box-shadow: var(--shadow);
  z-index: 50;
  max-width: 90vw;
}
.toast.hidden { display: none; }

/* ===== Skeleton ===== */
.skeleton {
  position: relative; overflow: hidden;
  background: linear-gradient(90deg, var(--panel) 25%, var(--panel-2) 37%, var(--panel) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  height: 78px;
}
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* ===== 响应式 ===== */
@media (max-width: 760px) {
  .field input { min-width: 220px; }
  .brand .sub { display: none; }
  .gpu-row { grid-template-columns: 48px 1fr auto; }
  .gpu-row .gpwr { display: none; }
}