/* ============ GNA Cockpit Shared Theme ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  width: 100%; min-height: 100vh;
  background: radial-gradient(ellipse at top, #0f1638 0%, #050818 70%);
  color: #e0e6f0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  overflow-x: hidden;
}
.app {
  width: 1920px;
  min-height: 1080px;
  margin: 0 auto;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: 64px 1fr 28px;
  gap: 12px;
  grid-template-areas:
    "logo header"
    "nav  main"
    "nav  footer";
}
/* ===== Logo ===== */
.logo-cell {
  grid-area: logo;
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(167,139,250,0.12));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 6px;
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px;
}
.logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #00d4ff 0%, #a78bfa 100%);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: #0a0e27;
  box-shadow: 0 0 18px rgba(0,212,255,0.4);
}
.logo-cell .brand { font-size: 13px; color:#fff; font-weight: 600; letter-spacing: 1px; }
.logo-cell .sub { font-size: 10px; color: #7a8499; letter-spacing: 2px; margin-top: 2px; }
/* ===== Header ===== */
.header {
  grid-area: header;
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(90deg, rgba(0,212,255,0.06) 0%, rgba(0,212,255,0) 50%, rgba(167,139,250,0.06) 100%);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 6px;
  padding: 0 20px;
}
.title-block .t1 {
  font-size: 20px; font-weight: 600; letter-spacing: 2px;
  background: linear-gradient(90deg, #fff, #00d4ff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.title-block .t2 { font-size: 11px; color: #7a8499; letter-spacing: 3px; margin-top: 2px; }
.toolbar { display: flex; align-items: center; gap: 16px; }
.filter-group { display: flex; align-items: center; gap: 6px; padding: 0 12px; border-right: 1px solid rgba(255,255,255,0.08); }
.filter-group:last-child { border-right: none; }
.filter-group .lbl { color: #7a8499; font-size: 11px; }
.btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #e0e6f0;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { background: rgba(0,212,255,0.1); border-color: #00d4ff; color: #00d4ff; }
.btn.active { background: linear-gradient(135deg, #00d4ff, #0096cc); color: #0a0e27; border-color: #00d4ff; font-weight: 600; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: #00d68f; box-shadow: 0 0 8px #00d68f; animation: pulse 1.6s infinite; display: inline-block; }
@keyframes pulse { 0%,100% {opacity:1;} 50% {opacity:0.4;} }
.live-text { color: #7a8499; font-size: 11px; }
/* ===== Nav Sidebar ===== */
.nav {
  grid-area: nav;
  background: linear-gradient(180deg, rgba(19,24,48,0.7), rgba(13,17,38,0.7));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 14px 10px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav .nav-group { font-size: 10px; color: #5b6478; letter-spacing: 2px; padding: 10px 12px 4px; text-transform: uppercase; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  color: #b3bccf; font-size: 13px;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
  position: relative;
}
.nav-item:hover { background: rgba(0,212,255,0.06); color: #fff; }
.nav-item.active {
  background: linear-gradient(90deg, rgba(0,212,255,0.18), rgba(0,212,255,0.02));
  color: #00d4ff;
}
.nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px;
  background: #00d4ff; border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px #00d4ff;
}
.nav-icon { width: 18px; height: 18px; display: inline-block; opacity: 0.85; }
.nav-badge {
  margin-left: auto;
  background: #ff4d6d; color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 8px;
}
/* ===== Main Area ===== */
.main {
  grid-area: main;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 0;
}
/* ===== KPI ===== */
.kpi-row { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; }
.kpi {
  background: linear-gradient(160deg, rgba(19,24,48,0.95), rgba(13,17,38,0.95));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 12px 14px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: ''; position: absolute; top:0; left:0; width: 3px; height: 100%;
  background: linear-gradient(180deg, #00d4ff, transparent);
}
.kpi .label { font-size: 11px; color: #7a8499; letter-spacing: 1px; }
.kpi .value { font-size: 24px; font-weight: 700; color: #fff; margin-top: 4px; font-family: "DIN Alternate", "Roboto Mono", monospace; line-height: 1.2; }
.kpi .value .unit { font-size: 12px; color: #7a8499; font-weight: 400; margin-left: 3px; }
.kpi .delta { font-size: 11px; margin-top: 3px; display: flex; align-items: center; gap: 4px; }
.up { color: #00d68f; }
.down { color: #ff4d6d; }
.flat { color: #7a8499; }
.kpi.warn::before { background: linear-gradient(180deg, #ffb800, transparent); }
.kpi.danger::before { background: linear-gradient(180deg, #ff4d6d, transparent); }
.kpi.good::before { background: linear-gradient(180deg, #00d68f, transparent); }
.kpi.accent::before { background: linear-gradient(180deg, #a78bfa, transparent); }
/* ===== Grid ===== */
.grid { display: grid; gap: 12px; }
.card {
  background: linear-gradient(160deg, rgba(19,24,48,0.92), rgba(13,17,38,0.92));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex; flex-direction: column;
  min-height: 240px;
}
.card .head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.card .title {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: #fff; letter-spacing: 1px;
}
.card .title::before {
  content: ''; width: 3px; height: 12px; background: #00d4ff; border-radius: 1px;
  box-shadow: 0 0 6px #00d4ff;
}
.card .subtitle { font-size: 11px; color: #7a8499; }
.card .chart { flex: 1; min-height: 200px; }
.tab-row { display: flex; gap: 4px; font-size: 11px; }
.tab {
  padding: 3px 10px; color: #7a8499; cursor: pointer; border-radius: 3px;
  border: 1px solid transparent;
}
.tab.active { color: #00d4ff; border-color: rgba(0,212,255,0.4); background: rgba(0,212,255,0.06); }
/* ===== Table ===== */
.tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.tbl th { text-align: left; color: #7a8499; font-weight: 500; padding: 8px 6px; border-bottom: 1px solid rgba(255,255,255,0.06); letter-spacing: 0.5px; font-size: 11px; }
.tbl td { padding: 7px 6px; border-bottom: 1px solid rgba(255,255,255,0.04); color: #e0e6f0; }
.tbl tr:hover td { background: rgba(0,212,255,0.04); cursor: pointer; }
.tbl tr.selected td { background: rgba(0,212,255,0.1); }
.tag-s { background: rgba(255,77,109,0.12); color: #ff4d6d; padding: 2px 8px; border-radius: 3px; font-size: 10px; }
.tag-m { background: rgba(255,184,0,0.12); color: #ffb800; padding: 2px 8px; border-radius: 3px; font-size: 10px; }
.tag-l { background: rgba(0,214,143,0.12); color: #00d68f; padding: 2px 8px; border-radius: 3px; font-size: 10px; }
.tag-n { background: rgba(122,132,153,0.16); color: #b3bccf; padding: 2px 8px; border-radius: 3px; font-size: 10px; }
.tag-a { background: rgba(0,212,255,0.12); color: #00d4ff; padding: 2px 8px; border-radius: 3px; font-size: 10px; }
.bar-cell { display: flex; align-items: center; gap: 8px; }
.bar-cell .bar { flex: 1; height: 4px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; max-width: 80px; }
.bar-cell .bar > div { height: 100%; background: linear-gradient(90deg, #00d4ff, #a78bfa); border-radius: 2px; }
/* ===== Alerts ===== */
.alert-item {
  display: grid; grid-template-columns: 60px 1fr auto;
  align-items: center; gap: 10px; padding: 8px 10px;
  background: rgba(255,255,255,0.02); border-radius: 4px;
  border-left: 3px solid transparent;
  margin-bottom: 6px;
  transition: all 0.2s;
  cursor: pointer;
}
.alert-item:hover { background: rgba(0,212,255,0.06); }
.alert-item.high { border-left-color: #ff4d6d; }
.alert-item.mid { border-left-color: #ffb800; }
.alert-item.low { border-left-color: #00d4ff; }
.alert-time { font-size: 11px; color: #7a8499; font-family: monospace; }
.alert-msg { font-size: 12px; color: #e0e6f0; line-height: 1.5; }
.alert-msg b { color: #fff; }
.alert-sev { font-size: 10px; }
/* ===== Footer ===== */
.footer {
  grid-area: footer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 16px; color: #5b6478; font-size: 11px;
}
/* ===== Scrollable area ===== */
.scroll-y { overflow-y: auto; }
.scroll-y::-webkit-scrollbar { width: 4px; }
.scroll-y::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.3); border-radius: 2px; }
.scroll-y::-webkit-scrollbar-track { background: transparent; }
/* ===== Detail panel ===== */
.detail-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 12px; border-bottom: 1px dashed rgba(255,255,255,0.04); }
.detail-row .k { color: #7a8499; }
.detail-row .v { color: #fff; font-weight: 500; }
.metric-tile {
  background: rgba(255,255,255,0.02);
  border-radius: 4px;
  padding: 10px;
  text-align: center;
}
.metric-tile .mv { font-size: 20px; color: #fff; font-weight: 600; font-family: "DIN Alternate", monospace; }
.metric-tile .ml { font-size: 11px; color: #7a8499; margin-top: 2px; }
.metric-tile .md { font-size: 10px; margin-top: 2px; }
/* Print helpers */
@media print {
  body { background: #fff; }
  .nav, .header .toolbar { display: none; }
}