:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --border: #e3e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-weak: #eff4ff;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  height: 56px;
  background: #0f172a;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.brand { font-weight: 600; letter-spacing: .5px; }
.top-actions { display: flex; align-items: center; gap: 12px; }
.muted { color: var(--muted); font-size: 12px; }
.topbar .muted { color: #94a3b8; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 20px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tab {
  border: 0;
  background: transparent;
  padding: 9px 16px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
}
.tab.active { background: var(--accent-weak); color: var(--accent); font-weight: 600; }

main { padding: 16px 20px 40px; }
.view { display: none; }
.view.active { display: block; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 24px; font-weight: 600; margin-top: 6px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.panel.narrow { max-width: 520px; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.panel-head h3 { margin: 0; font-size: 15px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
input, select, button { font-size: 13px; }
input, select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
button {
  padding: 7px 14px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: transparent; }
button.danger { color: var(--danger); border-color: #fecaca; background: #fff5f5; }
button.mini { padding: 3px 10px; font-size: 12px; border-radius: 6px; }
button.mini.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.mini.danger { color: #fff; background: var(--danger); border-color: var(--danger); }
td.actions { white-space: nowrap; }
td.actions button { margin-right: 4px; }
button.link {
  border: 0; background: transparent; color: var(--accent); padding: 2px 6px;
}

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 500; font-size: 12px; background: #fbfcfe; }
td.wrap { white-space: normal; max-width: 320px; }
tr:hover td { background: #fafcff; }
.empty { text-align: center; color: var(--muted); padding: 24px 0; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #f1f5f9;
  color: var(--muted);
}
.badge.on { background: #ecfdf5; color: var(--ok); }
.badge.off { background: #f3f4f6; color: #9ca3af; }
.badge.s0 { background: #eff6ff; color: #1d4ed8; }
.badge.s1 { background: #fff7ed; color: var(--warn); }
.badge.s2 { background: #ecfdf5; color: var(--ok); }
.badge.s3 { background: #fef2f2; color: var(--danger); }
.badge.s4 { background: #f3f4f6; color: #6b7280; }

.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 12px; }

.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.form small { color: var(--muted); }
.form.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form .span2 { grid-column: span 2; }

.modal {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}
.modal.open { display: flex; }
.modal-box {
  background: #fff;
  border-radius: 12px;
  padding: 18px 20px;
  width: 640px;
  max-width: 96vw;
  max-height: 90vh;
  overflow: auto;
}
.modal-box.small { width: 360px; }
.modal-box.wide { width: 860px; }
.modal-box h3 { margin: 0 0 14px; font-size: 16px; }
.modal-box input { width: 100%; margin-top: 6px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.hint { color: var(--danger); font-size: 12px; min-height: 16px; margin: 8px 0 0; }

.logbox {
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 8px;
  max-height: 46vh;
  overflow: auto;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}
.shot img { max-width: 100%; border: 1px solid var(--border); border-radius: 8px; margin-top: 12px; }
.hidden { display: none; }