/* Electrical — Multi-Page Layout (extends shared/simulator-theme.css) */

/* ── Accent overrides ── */
:root {
  --ice:   #7df4ff;
  --ice2:  #40c8e0;
  --elec:  #ffeb3b;
  --elec2: #ffb300;
}

/* ── Body must be flex column for multi-page layout ── */
body {
  display: flex !important;
  flex-direction: column !important;
}

/* ══════════════════ NAVIGATION BAR ══════════════════ */
#nav-bar {
  background: rgba(5,13,20,0.95);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  user-select: none;
  z-index: 20;
}
#nav-groups {
  display: flex;
  gap: 1px;
  padding: 2px 4px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.nav-grp {
  background: rgba(255,255,255,0.03);
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 3px 3px 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-grp:hover { color: var(--elec); background: rgba(255,235,59,0.06); }
.nav-grp.active {
  color: var(--elec);
  background: rgba(255,235,59,0.1);
  border-color: var(--border2);
}
#nav-pages {
  display: flex;
  gap: 1px;
  padding: 2px 4px;
  min-height: 24px;
  overflow: hidden;
}
.nav-pg {
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-pg:hover { color: var(--green); background: rgba(0,230,118,0.06); }
.nav-pg.active {
  color: var(--green);
  background: rgba(0,230,118,0.1);
  border-color: var(--border);
}

/* ══════════════════ DISPLAY AREA ══════════════════ */
#display-area {
  flex: 1 1 0;
  overflow: hidden;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.disp-page {
  display: none !important;
  flex: 1 1 0;
  min-height: 0;
  overflow: hidden;
}
.disp-page.active {
  display: flex !important;
  flex-direction: column;
}

/* ══════════════════ STATUS PAGE (overview layout) ══════════════════ */
.status-grid {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  grid-template-rows: 1fr 200px;
  gap: 4px;
  padding: 4px;
  flex: 1 1 0;
  min-height: 0;
}
#schematic-panel { grid-column: 2; grid-row: 1 / 2; }
#bottom { grid-column: 1 / 4; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }

/* ══════════════════ PAGE LAYOUTS ══════════════════ */
.page-split {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 4px;
  padding: 4px;
  flex: 1 1 0;
  min-height: 0;
}
.page-main { min-width: 0; overflow: hidden; }
.page-side { overflow: hidden; }
.page-full {
  padding: 4px;
  flex: 1 1 0;
  min-height: 0;
}
.page-split canvas,
.page-full canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ══════════════════ CONTROL PANELS (sidebar) ══════════════════ */
.ctrl-section { margin-bottom: 10px; }
.ctrl-section-hdr {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--elec);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}
.ctrl-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  font-size: 10px;
  color: var(--muted);
}
.ctrl-row .val        { font-family: var(--font-mono); color: var(--green); }
.ctrl-row .val.warn   { color: var(--amber); }
.ctrl-row .val.alarm  { color: var(--red); }
.ctrl-btn {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 3px 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}
.ctrl-btn:hover  { background: rgba(255,235,59,0.08); color: var(--elec); }
.ctrl-btn.active { background: rgba(0,230,118,0.15); border-color: var(--green); color: var(--green); }
.ctrl-btn.danger { background: rgba(255,23,68,0.1);  border-color: var(--red);   color: var(--red); }
.ctrl-btn.danger:hover { background: rgba(255,23,68,0.2); }

/* Mode toggle buttons */
.mode-group { display: flex; gap: 2px; margin: 4px 0; }
.mode-btn {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 8px;
  padding: 4px 6px;
  text-align: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.mode-btn:hover { color: var(--elec); }
.mode-btn.active {
  background: rgba(0,230,118,0.12);
  border-color: var(--green);
  color: var(--green);
}

/* Slider control */
.ctrl-slider {
  width: 100%;
  margin: 4px 0;
  accent-color: var(--elec);
}
.ctrl-group { margin-bottom: 8px; }

/* Indicator lights */
.ind-light {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--muted);
  margin-right: 4px;
  vertical-align: middle;
}
.ind-light.on    { background: var(--green); box-shadow: 0 0 4px var(--green); }
.ind-light.warn  { background: var(--amber); box-shadow: 0 0 4px var(--amber); }
.ind-light.alarm { background: var(--red);   box-shadow: 0 0 4px var(--red); animation: alarmblink 1s infinite; }

/* ══════════════════ KEYFRAMES ══════════════════ */
@keyframes efault     { 0%,100% { background: rgba(255,235,59,0.06) } 50% { background: rgba(255,235,59,0.22) } }
@keyframes fire_flash { 0%,100% { background: rgba(255,68,68,0.1)   } 50% { background: rgba(255,68,68,0.3)   } }
@keyframes blackout   { 0%,100% { background: rgba(255,68,68,0.15)  } 50% { background: rgba(255,68,68,0.4)   } }

/* ══════════════════ BREAKER / VALVE BUTTONS ══════════════════ */
.cb-btn {
  padding: 3px 7px;
  font-size: 9px;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.4);
  color: var(--muted);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}
.cb-btn.closed       { background: rgba(0,230,118,0.12); border-color: var(--green); color: var(--green); }
.cb-btn.open         { background: rgba(255,68,68,0.1);  border-color: var(--red);   color: var(--red); }
.cb-btn.transitioning{ background: rgba(255,171,0,0.12); border-color: var(--amber); color: var(--amber); }
.cb-btn:hover        { border-color: var(--ice); color: var(--ice); }
.cb-row { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 4px; }

/* ══════════════════ BIG ACTION BUTTONS ══════════════════ */
.btn-blkout { background: rgba(255,68,68,0.12); border-color: var(--red);   color: var(--red); }
.btn-blkout:hover { background: rgba(255,68,68,0.3); }
.btn-blkout.active { background: var(--red2); color: #fff; animation: blackout 0.5s infinite; }
.btn-pref   { background: rgba(255,193,7,0.08);   border-color: var(--amber); color: var(--amber); }
.btn-pref:hover  { background: rgba(255,193,7,0.22); }
.btn-shore  { background: rgba(125,244,255,0.06);  border-color: var(--ice);   color: var(--ice); }
.btn-shore:hover { background: rgba(125,244,255,0.18); }
.btn-rst    { background: rgba(255,255,255,0.04);  border-color: var(--muted); color: var(--muted); }
.btn-rst:hover   { color: var(--white); border-color: var(--white); }

/* ══════════════════ ALARM LIST ══════════════════ */
.alm-item.fire  { border-left-color: var(--red);   animation: fire_flash 1s infinite; }
.alm-item.warn  { border-left-color: var(--amber);  background: rgba(255,193,7,0.07); }
.alm-item.elec  { border-left-color: var(--elec);   animation: efault 1.2s infinite; }
.alm-item.clear { border-left-color: var(--green);  opacity: 0.6; }
.alm-tag.F { background: rgba(255,68,68,0.3);   color: var(--red); }
.alm-tag.E { background: rgba(255,235,59,0.2);  color: var(--elec); }
.alm-tag.I { background: rgba(125,244,255,0.15); color: var(--ice); }

/* ══════════════════ GENERATOR BLOCKS ══════════════════ */
.gen-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 6px 8px;
  margin-bottom: 5px;
}
.gen-block.online  { border-color: var(--green); background: rgba(0,230,118,0.04); }
.gen-block.fault   { border-color: var(--red);   animation: fire_flash 1.2s infinite; }
.gen-block.standby { border-color: var(--border); }
.gen-title {
  font-size: 9px; font-family: var(--font-mono); letter-spacing: 0.5px;
  margin-bottom: 4px; display: flex; justify-content: space-between;
}
.gen-stat       { font-size: 9px; font-family: var(--font-mono); color: var(--green); }
.gen-stat.off   { color: var(--muted); }
.gen-stat.fault { color: var(--red); }
.gen-meters { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; margin-top: 4px; }
.gen-m  { font-size: 9px; color: var(--muted); }
.gen-mv { font-family: var(--font-mono); font-size: 11px; color: var(--white); }

/* ══════════════════ LOAD TABLE ══════════════════ */
.load-row { display: flex; align-items: center; gap: 4px; padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 10px; }
.load-row:last-child { border: none; }
.load-name { flex: 1; color: var(--white); }
.load-kw   { font-family: var(--font-mono); font-size: 10px; width: 50px; text-align: right; }
.load-kw.overload { color: var(--red); }
.load-pri  { font-size: 8px; padding: 1px 4px; border-radius: 2px; background: rgba(255,255,255,0.06); color: var(--muted); }
.load-pri.ess  { background: rgba(255,68,68,0.15);  color: var(--red); }
.load-pri.pref { background: rgba(255,193,7,0.1);   color: var(--amber); }

/* ══════════════════ EARTH FAULT ══════════════════ */
.ef-box { border: 1px solid var(--elec); border-radius: 3px; padding: 5px 8px; background: rgba(255,235,59,0.04); margin-bottom: 5px; }
.ef-box.active { animation: efault 1.5s infinite; }
.ef-title { font-size: 9px; color: var(--elec); font-family: var(--font-mono); letter-spacing: 0.5px; margin-bottom: 2px; }
.ef-val   { font-family: var(--font-mono); font-size: 16px; color: var(--elec); }

/* ══════════════════ INSULATION RESISTANCE ══════════════════ */
.ins-row  { display: flex; align-items: center; gap: 5px; padding: 2px 0; font-size: 10px; }
.ins-name { flex: 1; color: var(--muted); }
.ins-val  { font-family: var(--font-mono); font-size: 11px; }
.ins-val.good  { color: var(--green); }
.ins-val.warn  { color: var(--amber); }
.ins-val.fault { color: var(--red); animation: blink 0.6s infinite; }

/* ══════════════════ BUS VOLTAGE SUMMARY ══════════════════ */
.bus-bar-row { display: flex; align-items: center; gap: 6px; padding: 4px 0; }
.bus-label { font-size: 9px; font-family: var(--font-mono); color: var(--muted); width: 70px; }
.bus-live  { font-size: 9px; font-family: var(--font-mono); padding: 2px 7px; border-radius: 2px; background: rgba(0,230,118,0.14); color: var(--green); border: 1px solid var(--green); }
.bus-dead  { font-size: 9px; font-family: var(--font-mono); padding: 2px 7px; border-radius: 2px; background: rgba(255,68,68,0.1);  color: var(--red);   border: 1px solid var(--red); }

/* ══════════════════ BLACKOUT BANNER ══════════════════ */
#blackout-banner {
  display: none;
  flex-shrink: 0;
  position: relative;
  background: #1a0000;
  border-bottom: 2px solid var(--red);
  color: var(--red);
  text-align: center;
  padding: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  z-index: 50;
  animation: blink 0.6s infinite;
}

/* ══════════════════ SCENARIO STATUS ══════════════════ */
.sc-box {
  background: rgba(255,235,59,0.04); border: 1px solid rgba(255,235,59,0.15);
  border-radius: 3px; padding: 6px 8px; margin-bottom: 5px; font-size: 10px;
}
.sc-title { color: var(--elec); font-weight: 600; margin-bottom: 2px; }
.sc-desc  { color: var(--muted); line-height: 1.5; }

/* ══════════════════ RESPONSIVE ══════════════════ */
@media (max-width: 1200px) {
  .status-grid { grid-template-columns: 180px 1fr 180px; }
  .page-split  { grid-template-columns: 1fr 220px; }
}
@media (max-width: 1000px) {
  .status-grid { grid-template-columns: 160px 1fr 160px; }
  .page-split  { grid-template-columns: 1fr 200px; }
}
@media (max-height: 800px) {
  .status-grid { grid-template-rows: 1fr 160px; }
}
@media (max-height: 700px) {
  .status-grid { grid-template-rows: 1fr 140px; }
}