/*
 * hub-room.css — per-hub CONTROL ROOM HMI for EuroRing Control.
 *
 * Extends control-room.css (do NOT redefine the palette — we reuse its CSS custom
 * properties and status colours so the hub rooms read as the same product). This file
 * styles: the single-line canvas, the tab strip + panels, the protection / alarm /
 * SCADA / bank / bay tables and the operator control bar.
 *
 * Load AFTER control-room.css.
 */

/* ============================================================ hub shell */
.hub-room {
  display: flex;
  flex-direction: column;
  height: 100vh;              /* bound to the viewport so the tab panels scroll internally,
                                 not the page — otherwise a long protection list stretches the
                                 stage and letterboxes the single-line diagram */
  overflow: hidden;
  max-width: 1700px;
  margin: 0 auto;
  padding: 12px;
  gap: 12px;
}
/* On short or narrow screens fall back to natural height + page scroll. */
@media (max-width: 1120px), (max-height: 640px) {
  .hub-room { height: auto; min-height: 100vh; overflow: visible; }
}
.hub-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 6px;
}
.hub-topbar .brand { font-weight: 700; letter-spacing: 0.08em; font-size: 15px; }
.hub-topbar .brand span { color: var(--accent); }
.hub-topbar .hub-id { display: flex; align-items: baseline; gap: 8px; }
.hub-topbar #hub-name { font-weight: 600; font-size: 15px; }
.hub-topbar .spacer { flex: 1; }
.hub-tier {
  font-family: var(--mono); font-weight: 700; font-size: 11px;
  padding: 2px 8px; border-radius: 4px;
  color: var(--ink-dim); background: var(--edge-soft);
}
.hub-tier[data-tier="A"] { color: #0e1218; background: var(--accent); }
.hub-tier[data-tier="B"] { color: var(--ink); background: var(--edge); }

#hub-conn-status {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--edge); color: var(--offline);
}
#hub-conn-status[data-online="1"] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--edge)); }
#hub-conn-status[data-online="0"] { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 40%, var(--edge)); }

/* ============================================================ KPI strip */
.hub-kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}
.hub-kpi {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  padding: 8px 12px;
  display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.hub-kpi .label {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint);
}
.hub-kpi .value {
  font-family: var(--mono); font-size: 22px; font-weight: 600; line-height: 1.1;
  color: var(--ink); display: flex; align-items: baseline; gap: 4px;
}
.hub-kpi .value .unit { font-size: 11px; color: var(--ink-dim); font-weight: 400; }
.hub-kpi [data-band="ok"]   { color: var(--ok); }
.hub-kpi [data-band="warn"] { color: var(--warn); }
.hub-kpi [data-band="crit"] { color: var(--crit); }
.hub-kpi .hkpi-spark {
  width: 100%; height: 26px; margin-top: 4px; display: block; opacity: 0.9;
}
#hkpi-state { font-size: 16px; letter-spacing: 0.05em; font-family: var(--mono); }
#hkpi-state[data-state="Normal"]             { color: var(--ok); }
#hkpi-state[data-state="Degraded"]           { color: var(--warn); }
#hkpi-state[data-state="FailSafeWithdrawal"] { color: var(--crit); }
#hkpi-state[data-state="Restoration"]        { color: var(--accent); }

/* ============================================================ main stage */
.hub-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 1fr);
  gap: 12px;
  flex: 1;
  min-height: 0;
}
@media (max-width: 1120px) { .hub-stage { grid-template-columns: 1fr; } }

.hub-sld-wrap {
  position: relative;
  background: radial-gradient(120% 120% at 50% 30%, #12181f 0%, #0c1015 72%, #0a0d12 100%);
  border: 1px solid var(--edge-soft);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 460px;
  display: flex;
}
.hsl-svg { width: 100%; height: 100%; max-width: 100%; display: block; }

.hub-sld-legend {
  position: absolute; left: 10px; bottom: 10px;
  display: flex; flex-wrap: wrap; gap: 6px 12px;
  font-size: 10px; color: var(--ink-dim);
  background: rgba(10,14,18,0.62); border: 1px solid var(--edge-soft);
  border-radius: 6px; padding: 6px 8px; max-width: calc(100% - 20px);
}
.hub-sld-legend .li { display: inline-flex; align-items: center; gap: 4px; }
.hub-sld-legend .sw { width: 14px; height: 4px; border-radius: 2px; display: inline-block; }
.hub-sld-legend .sw-live { background: var(--ok); }
.hub-sld-legend .sw-derated { background: var(--warn); }
.hub-sld-legend .sw-tripped { background: var(--crit); }
.hub-sld-legend .sw-withdrawn { background: var(--offline); }

/* ============================================================ single-line svg internals */
.hsl-cond      { stroke: #6c7a8a; stroke-width: 2.4; fill: none; stroke-linecap: round; transition: stroke 0.35s ease; }
.hsl-cond-thin { stroke: #5a6675; stroke-width: 1.4; fill: none; }
.hsl-dashed    { stroke-dasharray: 5 5; opacity: 0.7; }
.hsl-cable     { stroke: var(--ok); stroke-width: 3; fill: none; stroke-linecap: round; transition: stroke 0.35s ease; }
.hsl-lv-solid  { stroke-width: 3.4; }         /* the unbroken 1.5 MV LV run — emphasised */

/* bus */
.hsl-bus       { stroke: var(--accent); stroke-width: 6; stroke-linecap: round; transition: stroke 0.4s ease; }
.hsl-bus-res   { stroke: #3a5a72; }
.hsl-bus-lbl   { fill: var(--ink-faint); font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; }
.hsl-svg[data-bus="dead"] .hsl-bus { stroke: var(--offline); }

/* header */
.hsl-tier-badge { fill: var(--edge); stroke: var(--bg); stroke-width: 2; }
.hsl-tier-badge.hsl-tier-A { fill: var(--accent); }
.hsl-tier-txt  { fill: var(--ink); font-family: var(--mono); font-weight: 700; font-size: 18px; }
.hsl-svg[data-tier="A"] .hsl-tier-txt { fill: #0e1218; }
.hsl-title     { fill: var(--ink); font-size: 16px; font-weight: 600; }
.hsl-subtitle  { fill: var(--ink-dim); font-size: 11px; }

/* circuit breaker */
.hsl-cb-box     { fill: #10161d; stroke: var(--accent); stroke-width: 2; transition: stroke 0.3s ease; }
.hsl-cb-contact { stroke: var(--ok); stroke-width: 3; stroke-linecap: round; }
.hsl-cb[data-closed="0"] .hsl-cb-box { stroke: var(--warn); }
.hsl-sym-lbl    { fill: var(--ink-faint); font-family: var(--mono); font-size: 11px; }

/* disconnector */
.hsl-disc-blade   { stroke: var(--accent); stroke-width: 2.6; stroke-linecap: round; transition: all 0.4s ease; }
.hsl-disc-pivot,
.hsl-disc-contact { fill: #8fa0b3; }

/* instruments + relay */
.hsl-ct    { fill: none; stroke: #7d8b9b; stroke-width: 1.8; }
.hsl-vt    { fill: none; stroke: #7d8b9b; stroke-width: 1.5; }
.hsl-relay { fill: #141c24; stroke: var(--edge); stroke-width: 1.4; transition: stroke 0.3s ease, fill 0.3s ease; }
.hsl-relay[data-op="1"] { stroke: var(--crit); fill: color-mix(in srgb, var(--crit) 22%, #141c24); animation: hsl-flash 0.9s steps(1) infinite; }
.hsl-relay-txt { fill: var(--ink-dim); font-family: var(--mono); font-size: 8px; }

/* power transformer */
.hsl-xfmr-w    { fill: var(--accent); fill-opacity: 0.28; stroke: var(--accent); stroke-width: 2; transition: fill 0.4s ease, stroke 0.4s ease; }
.hsl-xfmr-fault { fill: none; stroke: none; stroke-width: 3; }
.hsl-xfmr-fault[data-fault="1"] { stroke: var(--crit); animation: hsl-flash 0.8s steps(1) infinite; }
.hsl-bank-tag  { fill: var(--ink); font-family: var(--mono); font-size: 12px; font-weight: 600; }
.hsl-temp      { fill: var(--ok); font-family: var(--mono); font-size: 11px; }

/* sealing end / withdrawal gear */
.hsl-seal-cone   { fill: #1a2430; stroke: var(--ok); stroke-width: 2; transition: stroke 0.35s ease; }
.hsl-wgear-plate { stroke: #8fa0b3; stroke-width: 3; stroke-linecap: round; transition: all 0.5s ease; }
.hsl-gap-lbl     { fill: var(--offline); font-family: var(--mono); font-size: 10px; }

/* ring node / labels */
.hsl-ring-node  { fill: #10161d; stroke: var(--ok); stroke-width: 2; }
.hsl-ringlink   { stroke-width: 4; }
.hsl-bay-lbl    { fill: var(--ink); font-size: 12px; font-weight: 600; }
.hsl-bay-status { fill: var(--ok); font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; }
.hsl-bay-cur    { fill: var(--ink-dim); font-family: var(--mono); font-size: 10px; }

/* plant blocks (SF6 / BESS / hall labels) */
.hsl-plant-box   { fill: rgba(20,28,36,0.55); stroke: var(--edge); stroke-width: 1.4; }
.hsl-plant-box[data-low="1"] { stroke: var(--warn); }
.hsl-plant-title { fill: var(--ink); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; }
.hsl-plant-cap   { fill: var(--ink-faint); font-size: 8px; letter-spacing: 0.1em; }
.hsl-plant-line  { fill: var(--ink-dim); font-family: var(--mono); font-size: 10px; }
.hsl-sf6-psi     { fill: var(--ok); font-family: var(--mono); font-size: 20px; font-weight: 600; }

/* TSGB generator */
.hsl-gen-body { fill: #10161d; stroke: var(--warn); stroke-width: 2.4; transition: stroke 0.4s ease; }
.hsl-gen-ring { fill: none; stroke: var(--warn); stroke-width: 1; opacity: 0.35; }
.hsl-gen-sine { fill: none; stroke: var(--ink); stroke-width: 2; }

/* spare bank */
.hsl-spare-lbl { fill: var(--ink-dim); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.1em; }
.hsl-sel-dot   { fill: #8fa0b3; }

/* selection + hit zones */
.hsl-hitzone  { fill: transparent; }
.hsl-hit      { cursor: pointer; }
.hsl-hit:hover .hsl-hitzone { fill: rgba(86,182,255,0.06); }
.hsl-selected .hsl-hitzone  { fill: rgba(86,182,255,0.12); stroke: var(--accent); stroke-dasharray: 4 3; }

/* status-tinted cable already coloured inline; give tripped a subtle pulse */
.hsl-bay[data-status="Tripped"] .hsl-ring-node { stroke: var(--crit); }
.hsl-bay[data-status="Withdrawn"] .hsl-ring-node { stroke: var(--offline); }

/* black-start overlay */
.hsl-black-box   { fill: rgba(14,18,24,0.92); stroke: var(--warn); stroke-width: 1.6; }
.hsl-black-stage { fill: var(--warn); font-family: var(--mono); font-size: 15px; font-weight: 700; letter-spacing: 0.06em; }
.hsl-black-track { fill: #1b2530; }
.hsl-black-prog  { fill: var(--warn); transition: width 0.5s ease; }

@keyframes hsl-flash { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0.25; } }

/* ============================================================ side / tabs */
.hub-side {
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--edge-soft);
  border-radius: var(--radius); overflow: hidden; min-height: 0;
}
.htab-strip {
  display: flex; flex-wrap: wrap; gap: 2px; padding: 6px 6px 0;
  background: var(--bg-2); border-bottom: 1px solid var(--edge-soft);
}
.htab-button {
  appearance: none; border: 1px solid transparent; border-bottom: none;
  background: transparent; color: var(--ink-dim);
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.05em;
  text-transform: uppercase; padding: 6px 9px; border-radius: 6px 6px 0 0; cursor: pointer;
}
.htab-button:hover { color: var(--ink); }
.htab-button.active { color: var(--ink); background: var(--panel); border-color: var(--edge-soft); }

.htab-panels { position: relative; flex: 1; overflow: auto; }
.htab-panel { display: none; padding: 10px; }
.htab-panel.active { display: block; }

/* wide tables scroll inside their own container, never the page */
.htab-panel .data-table { min-width: 100%; }
.htab-panel table { width: 100%; }
#panel-scada, #panel-protection { overflow-x: auto; }

/* ============================================================ protection stack */
.protection-table td, .protection-table th { white-space: nowrap; }
.ansi { color: var(--accent); font-weight: 600; }
.prot-state {
  font-family: var(--mono); font-size: 11px; padding: 1px 6px; border-radius: 4px;
}
.prot-state[data-prot="Normal"]   { color: var(--ok); }
.prot-state[data-prot="Started"]  { color: var(--warn); }
.prot-state[data-prot="Operated"] { color: var(--crit); background: color-mix(in srgb, var(--crit) 16%, transparent); animation: hsl-flash 0.9s steps(1) infinite; }
.prot-state[data-prot="Blocked"]  { color: var(--offline); }
.prot-row[data-prot="Operated"] td { background: color-mix(in srgb, var(--crit) 8%, transparent); }

/* sequence-of-events recorder */
.soe-table td { vertical-align: top; }
.soe-seq { color: var(--offline); }
.soe-detail { color: var(--muted, #9aa7b8); font-size: 11px; }
.soe-state {
  font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .04em;
  padding: 1px 6px; border-radius: 4px; white-space: nowrap;
}
.soe-state.soe-operate { color: var(--crit); background: color-mix(in srgb, var(--crit) 16%, transparent); }
.soe-state.soe-start   { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.soe-state.soe-reset   { color: var(--ok); }
.soe-state.soe-block   { color: var(--offline); background: color-mix(in srgb, var(--offline) 14%, transparent); }
.soe-state.soe-ctrl    { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.soe-state.soe-ok      { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.soe-row:first-child td { background: color-mix(in srgb, var(--accent) 5%, transparent); }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 999px; }
.dot-ok  { background: var(--ok); }
.dot-off { background: var(--offline); }

/* ============================================================ alarm annunciator */
.annun-head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; color: var(--ink-dim); padding: 2px 2px 8px;
}
.annun-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.annun {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  grid-template-areas: "pri msg ctl" "pri meta ctl";
  gap: 1px 8px; align-items: center;
  padding: 6px 8px; border-radius: 6px;
  background: var(--panel-2); border-left: 3px solid var(--edge);
}
.annun-pri  { grid-area: pri; font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.annun-msg  { grid-area: msg; font-weight: 600; font-size: 12px; }
.annun-meta { grid-area: meta; font-size: 10px; color: var(--ink-faint); }
.annun-ctl  { grid-area: ctl; display: flex; gap: 4px; }
.annun-critical { border-left-color: var(--crit); }
.annun-critical .annun-pri { color: var(--crit); }
.annun-high { border-left-color: var(--crit); }
.annun-high .annun-pri { color: var(--crit); }
.annun-medium { border-left-color: var(--warn); }
.annun-medium .annun-pri { color: var(--warn); }
.annun-low { border-left-color: var(--accent); }
.annun-low .annun-pri { color: var(--accent); }
.annun-journal { border-left-color: var(--edge); }
.annun-journal .annun-pri { color: var(--ink-dim); }
/* unacknowledged alarms flash their strip */
.annun-state-unacknowledged { animation: hsl-annun 1.1s steps(1) infinite; }
@keyframes hsl-annun { 0%, 55% { border-left-color: var(--crit); } 56%, 100% { border-left-color: var(--edge); } }
.annun-medium.annun-state-unacknowledged, .annun-low.annun-state-unacknowledged { animation: none; }

/* ============================================================ SCADA */
.scada-head {
  font-size: 10px; color: var(--ink-dim); padding: 2px 2px 8px; letter-spacing: 0.03em;
}
.scada-table td, .scada-table th { white-space: nowrap; }
.qual { font-family: var(--mono); font-size: 10px; padding: 1px 6px; border-radius: 4px; }
.qual-good    { color: var(--ok); }
.qual-suspect, .qual-questionable { color: var(--warn); }
.qual-bad, .qual-invalid { color: var(--crit); }

/* ============================================================ banks / bays / heroes */
.sel-row td { background: color-mix(in srgb, var(--accent) 10%, transparent) !important; }
.banks-table td, .bays-table td { vertical-align: middle; }

.hall-hero, .sf6-hero, .bs-hero, .sim-hero {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 10px 12px; border-radius: 6px; margin-bottom: 10px;
  border: 1px solid var(--edge); background: var(--panel-2);
}
.hall-state, .bs-stage { font-size: 16px; font-weight: 700; letter-spacing: 0.05em; }
.hall-hero[data-state="ok"]   { border-color: color-mix(in srgb, var(--ok) 40%, var(--edge)); }
.hall-hero[data-state="ok"]   .hall-state { color: var(--ok); }
.hall-hero[data-state="warn"] .hall-state { color: var(--warn); }
.hall-hero[data-state="off"]  .hall-state { color: var(--offline); }
.hall-hero[data-state="crit"] { border-color: color-mix(in srgb, var(--crit) 55%, var(--edge)); background: color-mix(in srgb, var(--crit) 8%, var(--panel-2)); }
.hall-hero[data-state="crit"] .hall-state { color: var(--crit); animation: hsl-flash 0.9s steps(1) infinite; }

.sf6-hero .sf6-psi { font-family: var(--mono); font-size: 24px; font-weight: 600; color: var(--ok); }
.sf6-hero .sf6-psi .unit { font-size: 11px; color: var(--ink-dim); }
.sf6-hero[data-low="1"] { border-color: color-mix(in srgb, var(--warn) 50%, var(--edge)); }
.sf6-hero[data-low="1"] .sf6-psi { color: var(--warn); }

.bs-hero[data-active="1"] { border-color: color-mix(in srgb, var(--warn) 50%, var(--edge)); }
.bs-hero[data-active="1"] .bs-stage { color: var(--warn); }
.bs-track { height: 8px; background: #1b2530; border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.bs-prog  { height: 100%; background: var(--warn); transition: width 0.5s ease; }

.sim-hero[data-up="1"] { border-color: color-mix(in srgb, var(--ok) 40%, var(--edge)); }
.sim-hero[data-up="1"] span:first-child { color: var(--ok); font-weight: 700; }
.sim-hero[data-up="0"] { border-color: color-mix(in srgb, var(--crit) 50%, var(--edge)); }
.sim-hero[data-up="0"] span:first-child { color: var(--crit); font-weight: 700; }

/* ============================================================ mini controls / control bar */
.ctl-row { display: inline-flex; gap: 3px; margin-left: 8px; flex-wrap: wrap; }
.ctl-mini { padding: 2px 7px; font-size: 11px; }
.ctl-ok     { border-color: color-mix(in srgb, var(--ok) 50%, var(--edge)); color: var(--ok); }
.ctl-warn   { border-color: color-mix(in srgb, var(--warn) 45%, var(--edge)); color: var(--warn); }
.ctl-danger { border-color: color-mix(in srgb, var(--crit) 45%, var(--edge)); color: var(--crit); }
.ctl-danger:hover { background: color-mix(in srgb, var(--crit) 15%, var(--panel-2)); }

.hub-control-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  padding: 10px 12px; background: var(--panel);
  border: 1px solid var(--edge-soft); border-radius: var(--radius);
}
.hub-control-bar .control-group {
  display: flex; align-items: center; gap: 6px;
  padding-right: 10px; border-right: 1px solid var(--edge-soft);
}
.hub-control-bar .control-group:last-child { border-right: none; }
.hub-control-bar .grp-label {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-right: 2px;
}
.hub-control-bar select.ctl { padding: 5px 24px 5px 8px; }

@media (max-width: 760px) {
  .hub-room { padding: 8px; }
  .hub-kpi .value { font-size: 18px; }
  .hub-control-bar .control-group { border-right: none; }
  .hub-sld-wrap { min-height: 360px; }
}