/* SKALA RBMK process monitor - Windows 2000 "classic" look */

:root {
  --face: #d4d0c8;
  --face-2: #c8c4bc;
  --hi: #ffffff;
  --lo: #808080;
  --dk: #404040;
  --ink: #000;
  --ink-2: #444;
  --title-a: #0a246a;
  --title-b: #a6caf0;
  --title-off-a: #808080;
  --title-off-b: #c0c0c0;
  --select: #0a246a;
  --navy: #000080;
  --red: #c00000;
  --vfd: #6dff8f;
  --vfd-dim: #1a4a26;
  --amber: #ffb300;
  --canvas: #bdbdb5;
  --ui: Tahoma, 'MS Sans Serif', 'Segoe UI', Verdana, sans-serif;
  --mono: 'Lucida Console', Consolas, 'Courier New', monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #3a6ea5;                 /* classic desktop teal-blue behind the maximised window */
  color: var(--ink);
  font: 11px/1.35 var(--ui);
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 1px dotted #000; outline-offset: -4px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Bevels ---------- */
.raised { border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi); box-shadow: inset -1px -1px var(--lo), inset 1px 1px #e8e6e0; }
.sunken { border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo); box-shadow: inset 1px 1px var(--dk); }
.etched { border: 1px solid var(--lo); box-shadow: 1px 1px var(--hi), inset 1px 1px var(--hi); }

/* ---------- Window chrome ---------- */
.app { flex: 1; display: flex; flex-direction: column; background: var(--face); margin: 0; }
.titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 3px 0 4px;
  background: linear-gradient(90deg, var(--title-a), var(--title-b));
  color: #fff;
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
}
.titlebar__icon { width: 16px; height: 16px; flex: none; }
.titlebar__text { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.titlebar__btns { display: flex; gap: 2px; }
.titlebar__btns span {
  display: grid; place-items: center;
  width: 16px; height: 14px;
  background: var(--face);
  color: #000;
  font: bold 9px/1 var(--ui);
  border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi);
  box-shadow: inset -1px -1px var(--lo);
}
.titlebar__btns span:last-child { margin-left: 2px; }

.menubar { display: flex; flex-wrap: wrap; padding: 1px 2px; background: var(--face); position: relative; z-index: 30; }
.menu { position: relative; }
.menu > summary { list-style: none; padding: 2px 7px; cursor: default; user-select: none; }
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary:hover { box-shadow: inset 1px 1px var(--hi), inset -1px -1px var(--lo); }
.menu[open] > summary { box-shadow: inset 1px 1px var(--lo), inset -1px -1px var(--hi); }
.menu__list {
  position: absolute; top: 100%; left: 0;
  min-width: 210px; margin: 0; padding: 2px;
  list-style: none;
  background: var(--face);
  border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi);
  box-shadow: inset -1px -1px var(--lo), 2px 2px 0 rgba(0,0,0,.35);
}
.menu__list a { display: flex; gap: 8px; padding: 3px 18px 3px 20px; color: #000; text-decoration: none; white-space: nowrap; position: relative; }
.menu__list a:hover { background: var(--select); color: #fff; }
.menu__list a[aria-checked="true"]::before { content: '\2713'; position: absolute; left: 6px; }
.menu__list .sep { height: 2px; margin: 3px 1px; border-top: 1px solid var(--lo); border-bottom: 1px solid var(--hi); }

.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 2px;
  padding: 2px 3px;
  border-top: 1px solid var(--lo); border-bottom: 1px solid var(--hi);
  box-shadow: 0 1px var(--lo), inset 0 1px var(--hi);
  background: var(--face);
}
.tool {
  display: inline-flex; align-items: center; gap: 4px;
  height: 23px; padding: 0 6px;
  background: var(--face);
  border: 1px solid transparent;
  cursor: default; white-space: nowrap;
}
.tool:hover { border-color: var(--hi) var(--lo) var(--lo) var(--hi); }
.tool:active, .tool[aria-pressed="true"] { border-color: var(--lo) var(--hi) var(--hi) var(--lo); background: #e3e0d9; }
.tool .glyph { font: bold 12px/1 var(--mono); }
.toolbar .sep { width: 2px; height: 20px; margin: 0 3px; border-left: 1px solid var(--lo); border-right: 1px solid var(--hi); }
.tool--az { margin-left: auto; color: var(--red); font-weight: bold; }

/* ---------- Layout ---------- */
.desk {
  flex: 1;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr) 280px;
  gap: 4px;
  padding: 4px;
  min-height: 0;
}
.col { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.group { position: relative; margin: 6px 0 0; padding: 10px 7px 7px; border: 1px solid var(--lo); box-shadow: 1px 1px var(--hi), inset 1px 1px var(--hi); }
.group > legend, .group__label { position: absolute; top: -7px; left: 6px; padding: 0 3px; background: var(--face); font-weight: normal; margin: 0; font-size: 11px; }
.group__label small { color: var(--ink-2); }

/* ---------- VFD readouts ---------- */
.readouts { display: grid; gap: 4px; }
.ro { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 6px; }
.ro__label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ro__label small { color: var(--ink-2); }
.vfd {
  min-width: 82px;
  padding: 2px 5px;
  background: #0b120d;
  color: var(--vfd);
  font: bold 13px/1.15 var(--mono);
  text-align: right;
  text-shadow: 0 0 4px rgba(109, 255, 143, .55);
  border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo);
  box-shadow: inset 1px 1px #000;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.vfd--big { font-size: 20px; min-width: 120px; }
.vfd.is-warn { color: var(--amber); text-shadow: 0 0 4px rgba(255, 179, 0, .6); }
.vfd.is-bad { color: #ff4a3d; text-shadow: 0 0 5px rgba(255, 74, 61, .7); }
.vfd__unit { font-size: 10px; color: #3fa35a; text-shadow: none; margin-left: 3px; }
.ro--big { grid-template-columns: 1fr; }
.ro--big .vfd { width: 100%; }

.lamps { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; }
.lamp { display: grid; justify-items: center; gap: 1px; font-size: 9px; }
.lamp i { width: 12px; height: 12px; border-radius: 50%; border: 1px solid #222; background: #4a4a4a; box-shadow: inset 1px 1px rgba(255,255,255,.3); }
.lamp.is-on i { background: radial-gradient(circle at 35% 35%, #c9ffb5, #2cc12c 55%, #136b13); }
.lamp.is-coast i { background: radial-gradient(circle at 35% 35%, #fff2b0, #e0a800 55%, #7a5b00); }

/* ---------- Annunciator ---------- */
.annunciator {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 2px;
  padding: 3px;
  background: #2b2b2b;
  border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo);
  box-shadow: inset 1px 1px #000;
}
.ann {
  display: grid; place-items: center;
  min-height: 30px; padding: 1px 2px;
  background: linear-gradient(#59574f, #403e38);
  border: 1px solid #111;
  color: #8a877c;
  font: bold 9px/1.1 var(--ui);
  text-align: center;
  text-transform: uppercase;
  user-select: none;
}
.ann.is-on { color: #1a1200; background: linear-gradient(#ffe9a3, #f0b323); }
.ann.is-on.is-red { color: #fff; background: linear-gradient(#ff7a6b, #c10f0f); }
.ann.is-flash { animation: blink .7s steps(1) infinite; }
@keyframes blink { 50% { color: #8a877c; background: linear-gradient(#59574f, #403e38); } }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 0; padding: 4px 2px 0; position: relative; z-index: 1; }
.tab {
  padding: 3px 10px 3px;
  margin-right: -1px;
  background: var(--face);
  border: 1px solid; border-color: var(--hi) var(--dk) transparent var(--hi);
  border-radius: 3px 3px 0 0;
  box-shadow: inset -1px 0 var(--lo);
  cursor: default;
  position: relative;
  top: 2px;
}
.tab[aria-selected="true"] { top: 0; padding-bottom: 5px; margin: 0 -1px 0 -2px; z-index: 2; font-weight: bold; }
.tabpanel {
  border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi);
  box-shadow: inset -1px -1px var(--lo);
  padding: 6px;
  margin-top: -1px;
  background: var(--face);
  min-height: 0;
}
.tabpanel[hidden] { display: none; }
.viewport { background: var(--canvas); border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo); box-shadow: inset 1px 1px var(--dk); overflow: auto; }

/* ---------- Mimic ---------- */
.mimic { display: block; width: 100%; height: auto; min-width: 640px; }
.mimic text { font-family: var(--ui); }
.m-title { font-size: 13px; font-weight: bold; }
.m-label { font-size: 10px; font-weight: bold; }
.m-small { font-size: 9.5px; fill: #222; }
.m-val { font-size: 11.5px; font-weight: bold; fill: var(--navy); }
.m-val.is-bad { fill: var(--red); }
.m-ru { font-size: 9px; fill: #555; }
.eq { fill: #e9e7e1; stroke: #000; stroke-width: 1.4; }
.eq--dark { fill: #6d6b64; }
.vbox { fill: #fff; stroke: #000; }
.pipe { fill: none; stroke-width: 4; stroke-linejoin: round; }
.pipe--water { stroke: #2a56a8; }
.pipe--mix { stroke: #7a5aa8; }
.pipe--steam { stroke: #9a9a9a; }
.pipe--feed { stroke: #3c8fc0; stroke-width: 3; }
.pipe.is-idle { opacity: .3; }
.chan { stroke: #8a6a3a; stroke-width: 1.2; }
.rod-rr { fill: #222; }
.rod-usp { fill: #2c7a2c; }
.rod-az { fill: #a00; }
.pump-c { fill: #e9e7e1; stroke: #000; stroke-width: 1.3; }
.pump-c.is-on { fill: #b8f0b0; }
.pump-c.is-coast { fill: #ffe18a; }
.valve polygon { fill: #fff; stroke: #000; stroke-width: 1.2; }
.valve.is-open polygon { fill: #42c442; }
.drum-water { fill: #8fb6e8; }
.shake { animation: shake .08s linear 30; }
@keyframes shake { 0% { transform: translate(0,0); } 25% { transform: translate(4px,-3px); } 50% { transform: translate(-4px,2px); } 75% { transform: translate(3px,4px); } }

/* ---------- Cartogram / trends ---------- */
.cartogram-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 170px; gap: 8px; align-items: start; }
.cartogram { display: block; width: 100%; max-width: 560px; aspect-ratio: 1; margin: 0 auto; background: #0e0e0e; }
.legend { display: grid; gap: 4px; }
.legend__row { display: flex; align-items: center; gap: 6px; }
.sw { display: inline-block; width: 14px; height: 10px; border: 1px solid #000; flex: none; }
.legend__scale { height: 10px; border: 1px solid #000; background: linear-gradient(90deg, #0b1d6b, #1f8a3a, #e6d21c, #ff7a00, #ff1a1a, #fff); }
.trend { display: block; width: 100%; height: 260px; background: #000; }
.trend-tools { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; margin-bottom: 5px; }
.trend-tools .key { display: inline-flex; gap: 4px; align-items: center; }
.key i { width: 16px; height: 3px; display: inline-block; }

.log { max-height: 340px; overflow: auto; background: #fff; }
.log table { width: 100%; border-collapse: collapse; }
.log th { position: sticky; top: 0; padding: 2px 6px; text-align: left; font-weight: normal; background: var(--face); border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi); }
.log td { padding: 1px 6px; border-bottom: 1px dotted #ccc; vertical-align: top; }
.log td:first-child { font-family: var(--mono); white-space: nowrap; color: #444; width: 76px; }
.log tr.is-bad td { color: var(--red); font-weight: bold; }

/* ---------- Controls ---------- */
.btn {
  min-width: 0; height: 22px; padding: 0 8px;
  background: var(--face);
  border: 1px solid; border-color: var(--hi) var(--dk) var(--dk) var(--hi);
  box-shadow: inset -1px -1px var(--lo), inset 1px 1px #e8e6e0;
  cursor: default; white-space: nowrap;
}
.btn:active, .btn.is-held, .btn.is-active { border-color: var(--dk) var(--hi) var(--hi) var(--dk); box-shadow: inset 1px 1px var(--lo); padding: 1px 7px 0 9px; }
.btn.is-active { background: #e3e0d9; font-weight: bold; }
.btn:disabled { color: var(--lo); text-shadow: 1px 1px var(--hi); }
.row { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.row + .row { margin-top: 5px; }
.row .grow { flex: 1; }
.row--btns .btn { flex: 1; }
.hint { color: var(--ink-2); margin-top: 4px; }
.check { display: flex; align-items: flex-start; gap: 5px; margin-top: 4px; }
.check input { margin: 1px 0 0; }
.check--warn span { color: var(--red); }
.num { width: 70px; height: 20px; padding: 0 3px; text-align: right; background: #fff; border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo); box-shadow: inset 1px 1px var(--dk); }
.slider { width: 100%; margin: 4px 0 0; }

.bar { position: relative; height: 14px; background: #fff; border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo); box-shadow: inset 1px 1px var(--dk); }
.bar i { position: absolute; left: 1px; top: 1px; bottom: 1px; width: 0; background: repeating-linear-gradient(90deg, var(--select) 0 7px, transparent 7px 9px); }
.bar--rr i { background: repeating-linear-gradient(90deg, #222 0 7px, transparent 7px 9px); }
.bar--usp i { background: repeating-linear-gradient(90deg, #2c7a2c 0 7px, transparent 7px 9px); }
.bar--ar i { background: repeating-linear-gradient(90deg, #1d4fbf 0 7px, transparent 7px 9px); }
.bar span { position: absolute; right: 4px; top: 0; font: 10px/12px var(--mono); }

.pumps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 3px; }
.pump { display: grid; justify-items: center; gap: 1px; padding: 3px 0; }
.pump .lamp { pointer-events: none; }
.loop-label { grid-column: 1 / -1; color: var(--ink-2); margin-top: 2px; }

.az { display: grid; grid-template-columns: auto 1fr; gap: 8px; align-items: center; }
.az__housing { position: relative; width: 78px; height: 78px; display: grid; place-items: center; background: #333; border: 3px solid #111; box-shadow: inset 0 0 0 2px #f0c000, inset 0 0 0 5px #111; }
.az__btn {
  width: 56px; height: 56px; border-radius: 50%;
  border: 3px solid #400;
  background: radial-gradient(circle at 35% 30%, #ff8a80, #d01010 45%, #6a0000);
  color: #fff; font: bold 12px var(--ui); text-shadow: 0 1px 1px #000;
  cursor: pointer;
  box-shadow: 0 3px 0 #300, 0 4px 6px rgba(0,0,0,.6);
}
.az__btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #300; }
.az__btn:disabled { cursor: not-allowed; }
.az__cover {
  position: absolute; inset: 3px;
  background: linear-gradient(135deg, rgba(255,255,255,.55), rgba(190,220,255,.25) 40%, rgba(255,255,255,.4));
  border: 1px solid #fff;
  cursor: pointer;
  transform-origin: top;
  transition: transform .25s;
  font: bold 9px var(--ui); color: #102; text-shadow: 0 1px #fff;
  display: grid; place-items: end center; padding-bottom: 3px;
}
.az__cover.is-open { transform: perspective(200px) rotateX(75deg); }
.az__info { display: grid; gap: 3px; min-width: 0; }
.az__first { overflow-wrap: anywhere; color: var(--red); min-height: 14px; }

/* ---------- Status bar ---------- */
.statusbar { display: flex; gap: 2px; padding: 2px; background: var(--face); border-top: 1px solid var(--hi); white-space: nowrap; overflow: hidden; }
.statusbar span { padding: 1px 6px; border: 1px solid; border-color: var(--lo) var(--hi) var(--hi) var(--lo); overflow: hidden; text-overflow: ellipsis; }
.statusbar .grow { flex: 1; }

/* ---------- Dialogs ---------- */
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(0, 0, 0, .25); }
.modal[hidden] { display: none; }
.dialog { width: 100%; max-width: 560px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; background: var(--face); border: 1px solid; border-color: var(--face) var(--dk) var(--dk) var(--face); box-shadow: inset 1px 1px var(--hi), inset -1px -1px var(--lo), 3px 3px 0 rgba(0,0,0,.3); padding: 2px; }
.dialog .titlebar { height: 20px; }
.dialog__body { padding: 10px 12px; overflow: auto; line-height: 1.5; }
.dialog__body h3 { margin: 12px 0 4px; font-size: 11px; }
.dialog__body p, .dialog__body ol, .dialog__body ul { margin: 0 0 8px; }
.dialog__body ol, .dialog__body ul { padding-left: 18px; }
.dialog__foot { display: flex; justify-content: flex-end; gap: 6px; padding: 6px 10px 8px; }
.dialog__foot .btn { min-width: 75px; }
.dialog--alarm .titlebar { background: linear-gradient(90deg, #6a0a0a, #f0a6a6); }
.dialog__icon { float: left; width: 34px; height: 34px; margin: 0 10px 6px 0; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ff9a8a, #c00 60%, #600); color: #fff; font: bold 22px/34px var(--ui); text-align: center; }
.flash { position: fixed; inset: 0; z-index: 60; background: #fff; pointer-events: none; animation: flash 2.2s ease-out forwards; }
@keyframes flash { 0% { opacity: 1; } 15% { opacity: .9; background: #ffe7b0; } 100% { opacity: 0; } }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .desk { grid-template-columns: 220px minmax(0, 1fr); }
  .col--right { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 6px; align-items: start; }
}
@media (max-width: 760px) {
  .desk { grid-template-columns: minmax(0, 1fr); }
  .col--left { order: 2; }
  .col--main { order: 1; }
  .col--right { order: 3; }
  .annunciator { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cartogram-wrap { grid-template-columns: 1fr; }
  .tool .lbl { display: none; }
  .statusbar .hide-sm { display: none; }
  .titlebar__btns { display: none; }
}

.sw--out { background: #f0f0f0; }
.sw--in { background: #111; }
.sw--rr { border: 2px solid #e6c200; background: #777; }
.sw--usp { border: 2px solid #3fbf3f; background: #777; }
.sw--ar { border: 2px solid #3f7fff; background: #777; }
.sw--az { border: 2px solid #ff3030; background: #777; }
.k-pow { background: #ffd23f; }
.k-void { background: #6dff8f; }
.k-press { background: #5fb7ff; }
.k-orm { background: #ff6a6a; }