/* ============================================================
   failscale.io — "On-Call Terminal"
   A SCADA/observability control room where the entire interface
   degrades along with the system you are busy destroying.
   ============================================================ */

:root {
  /* base void */
  --bg: #070b10;
  --bg-2: #0a1119;
  --panel: rgba(13, 20, 28, 0.72);
  --panel-solid: #0c131b;
  --hair: rgba(120, 160, 190, 0.14);
  --hair-bright: rgba(140, 190, 220, 0.3);

  /* ink */
  --ink: #cdd9e5;
  --ink-dim: #6b7d8f;
  --ink-faint: #41505f;

  /* status palette */
  --ok: #34e89e;
  --ok-glow: rgba(52, 232, 158, 0.55);
  --warn: #ffb52e;
  --warn-glow: rgba(255, 181, 46, 0.5);
  --crit: #ff3860;
  --crit-glow: rgba(255, 56, 96, 0.6);
  --info: #38d0ee;
  --info-glow: rgba(56, 208, 238, 0.5);

  /* severity 0..1 — driven live by the simulation */
  --sev: 0;
  /* the "current accent" shifts green→amber→red as --sev rises (set by JS) */
  --accent: var(--ok);
  --accent-glow: var(--ok-glow);

  --r: 4px;
  --gap: 14px;

  --font-display: "Chakra Petch", "IBM Plex Mono", monospace;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

/* ---------- status theming ---------- */
[data-status="operational"] { --accent: var(--ok);   --accent-glow: var(--ok-glow); }
[data-status="degraded"]    { --accent: var(--warn); --accent-glow: var(--warn-glow); }
[data-status="sev1"]        { --accent: var(--crit); --accent-glow: var(--crit-glow); }
[data-status="collapse"]    { --accent: var(--crit); --accent-glow: var(--crit-glow); }

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(120% 80% at 50% -10%, #0d1722 0%, var(--bg) 60%) fixed,
    var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle grid texture over the whole void */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 170, 200, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 200, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 90%);
  pointer-events: none;
  z-index: 0;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: rgba(120, 160, 190, 0.12);
  border: 1px solid var(--hair-bright);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0 5px;
  color: var(--ink);
}

/* ============================================================
   atmosphere overlays
   ============================================================ */
.fx { position: fixed; inset: 0; pointer-events: none; z-index: 60; }

.fx-scanlines {
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.16) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.5;
}

.fx-vignette {
  box-shadow: inset 0 0 240px 40px rgba(0, 0, 0, 0.75);
  background: radial-gradient(120% 120% at 50% 50%, transparent 55%, rgba(0,0,0,0.45) 100%);
}

.fx-grain {
  z-index: 61;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* the screen catches fire as severity climbs */
.fx-emergency {
  z-index: 59;
  opacity: calc(var(--sev) * 0.9);
  background:
    radial-gradient(120% 120% at 50% 120%, rgba(255, 40, 70, 0.28), transparent 60%),
    radial-gradient(120% 120% at 50% -20%, rgba(255, 40, 70, 0.22), transparent 55%);
  box-shadow: inset 0 0 200px 30px var(--crit-glow);
  transition: opacity 0.4s ease;
}
body.collapse .fx-emergency { animation: emergencyPulse 1.1s ease-in-out infinite; }
@keyframes emergencyPulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.95; }
}
body.shake { animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both; }
@keyframes shake {
  10%,90% { transform: translateX(-1px); }
  20%,80% { transform: translateX(2px); }
  30%,50%,70% { transform: translateX(-3px); }
  40%,60% { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
  .fx-emergency, body.collapse .fx-emergency { animation: none; }
  body.shake { animation: none; }
}

/* ============================================================
   boot sequence
   ============================================================ */
.boot {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: grid;
  place-items: center;
  transition: opacity 0.5s ease;
}
.boot.done { opacity: 0; pointer-events: none; }
.boot-text {
  font-family: var(--font-mono);
  color: var(--ok);
  font-size: 13px;
  line-height: 1.7;
  text-shadow: 0 0 8px var(--ok-glow);
  margin: 0;
  padding: 24px;
  max-width: 640px;
  width: 100%;
}
.boot-text .c { color: var(--info); }
.boot-text .cursor { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   layout scaffolding
   ============================================================ */
.topbar,
.deck,
.logwrap,
.footer {
  position: relative;
  z-index: 1;
  max-width: 1500px;
  margin-inline: auto;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 18px 22px 14px;
}

/* ---------- brand ---------- */
.brand { display: flex; flex-direction: column; gap: 2px; }
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--ink);
  position: relative;
  width: max-content;
  text-shadow: 0 0 18px rgba(56, 208, 238, 0.18);
}
/* chromatic-aberration glitch on the wordmark */
.logo::before,
.logo::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  clip-path: inset(0);
}
.logo::before { color: var(--crit); transform: translate(-1.5px, 0); opacity: 0.55; mix-blend-mode: screen; animation: glitchA 6s infinite steps(1); }
.logo::after  { color: var(--info); transform: translate(1.5px, 0);  opacity: 0.55; mix-blend-mode: screen; animation: glitchB 6s infinite steps(1); }
@keyframes glitchA {
  0%, 92%, 100% { clip-path: inset(0 0 100% 0); }
  93% { clip-path: inset(10% 0 60% 0); transform: translate(-3px, 0); }
  96% { clip-path: inset(70% 0 10% 0); transform: translate(2px, 0); }
}
@keyframes glitchB {
  0%, 90%, 100% { clip-path: inset(0 0 100% 0); }
  94% { clip-path: inset(40% 0 40% 0); transform: translate(3px, 0); }
  97% { clip-path: inset(20% 0 55% 0); transform: translate(-2px, 0); }
}
.tag {
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ---------- status block ---------- */
.status-block { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 15px;
  padding: 7px 16px;
  border-radius: 999px;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  box-shadow: 0 0 20px -4px var(--accent-glow), inset 0 0 18px -10px var(--accent-glow);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.status-led {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 1px var(--accent-glow);
  animation: ledPulse 2s ease-in-out infinite;
}
[data-status="sev1"] .status-led,
[data-status="collapse"] .status-led { animation-duration: 0.55s; }
@keyframes ledPulse { 50% { opacity: 0.35; } }
.status-sub { color: var(--ink-dim); font-size: 11.5px; letter-spacing: 0.04em; min-height: 14px; }

/* ---------- worldwide counter ---------- */
.worldwide { justify-self: end; text-align: right; display: flex; flex-direction: column; gap: 1px; }
.ww-label {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.ww-count {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.05;
  color: var(--crit);
  text-shadow: 0 0 16px var(--crit-glow);
  letter-spacing: 0.04em;
}
.ww-online { font-size: 11px; color: var(--ink-dim); }
.ww-online .pulse-dot {
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--info);
  box-shadow: 0 0 8px 1px var(--info-glow);
  margin-right: 4px;
  vertical-align: middle;
}
.ww-online.offline .pulse-dot { background: var(--ink-faint); box-shadow: none; }
#wwLink { color: var(--info); }

/* ============================================================
   panels (HUD frames with corner brackets)
   ============================================================ */
.panel {
  position: relative;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    var(--bg-2);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  backdrop-filter: blur(3px);
}
.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  border: 1px solid var(--hair-bright);
  pointer-events: none;
}
.panel::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.panel::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--hair);
}
.panel-head .bracket { color: var(--accent); font-size: 11px; transition: color 0.3s; }
.panel-head .head-right {
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--ink-dim);
  font-size: 11px;
  display: flex; gap: 12px; align-items: center;
}
.mono-strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-faint); text-transform: none; letter-spacing: 0; font-weight: 400; }

/* ============================================================
   deck grid
   ============================================================ */
.deck {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  gap: var(--gap);
  padding: 6px 22px;
  align-items: start;
}

/* ---------- control deck ---------- */
.controls { padding-bottom: 16px; }
.ctl-group { padding: 14px 14px 4px; }
.ctl-group + .ctl-group { border-top: 1px solid var(--hair); }
.ctl-group-label {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 10px;
}
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: rgba(120, 160, 190, 0.05);
  border: 1px solid var(--hair-bright);
  border-radius: var(--r);
  padding: 9px 10px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.06s ease, background 0.15s, border-color 0.15s, box-shadow 0.15s;
  overflow: hidden;
}
.btn:hover { background: rgba(120, 160, 190, 0.1); }
.btn:active { transform: translateY(1px) scale(0.985); }
.btn:focus-visible { outline: 2px solid var(--info); outline-offset: 1px; }
.btn-key {
  flex: none;
  display: grid; place-items: center;
  min-width: 18px; height: 18px;
  font-size: 10px; font-weight: 600;
  color: var(--ink-dim);
  border: 1px solid var(--hair);
  border-radius: 3px;
  background: rgba(0,0,0,0.25);
}
.btn-label { line-height: 1.1; }

.btn-fail { border-color: color-mix(in srgb, var(--crit) 35%, transparent); }
.btn-fail:hover {
  background: color-mix(in srgb, var(--crit) 14%, transparent);
  border-color: color-mix(in srgb, var(--crit) 60%, transparent);
  box-shadow: 0 0 16px -6px var(--crit-glow);
}
.btn-fail .btn-key { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 40%, transparent); }

.btn-fix { border-color: color-mix(in srgb, var(--info) 32%, transparent); }
.btn-fix:hover {
  background: color-mix(in srgb, var(--info) 12%, transparent);
  border-color: color-mix(in srgb, var(--info) 60%, transparent);
  box-shadow: 0 0 16px -6px var(--info-glow);
}
.btn-fix .btn-key { color: var(--info); border-color: color-mix(in srgb, var(--info) 40%, transparent); }

.btn-reset {
  display: block;
  width: calc(100% - 28px);
  margin: 12px 14px 0;
  text-align: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
  background: color-mix(in srgb, var(--ok) 9%, transparent);
}
.btn-reset:hover {
  background: color-mix(in srgb, var(--ok) 16%, transparent);
  box-shadow: 0 0 22px -6px var(--ok-glow);
}

/* slider */
.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; margin: 4px 0 10px;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 20%, var(--hair)));
  border-radius: 999px; cursor: pointer;
  transition: background 0.3s;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--ink); border: 2px solid var(--accent);
  box-shadow: 0 0 10px -1px var(--accent-glow);
}
.slider::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--ink); border: 2px solid var(--accent);
}

/* toggles */
.toggles { display: flex; flex-direction: column; gap: 10px; padding-bottom: 12px; }
.toggle { display: flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; font-size: 12px; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-box {
  flex: none;
  width: 34px; height: 18px; border-radius: 999px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--hair-bright);
  position: relative; transition: background 0.2s, border-color 0.2s;
}
.toggle-box::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--ink-dim); transition: transform 0.18s, background 0.2s;
}
.toggle input:checked + .toggle-box { background: color-mix(in srgb, var(--info) 30%, transparent); border-color: var(--info); }
.toggle input:checked + .toggle-box::after { transform: translateX(16px); background: var(--info); }
.toggle input:checked + .toggle-box.monkey { background: color-mix(in srgb, var(--crit) 30%, transparent); border-color: var(--crit); }
.toggle input:checked + .toggle-box.monkey::after { background: var(--crit); }
.toggle-text { color: var(--ink-dim); }
.toggle input:checked ~ .toggle-text { color: var(--ink); }

/* ============================================================
   center stage
   ============================================================ */
.stage { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
.topo-panel { display: flex; flex-direction: column; }
.topo-wrap { position: relative; width: 100%; aspect-ratio: 16 / 10; }
#topo { display: block; width: 100%; height: 100%; }

.head-right .lg { font-size: 10.5px; letter-spacing: 0.04em; }
.lg-ok { color: var(--ok); }
.lg-warn { color: var(--warn); }
.lg-dead { color: var(--crit); }

/* readout metrics */
.readouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: var(--gap);
}
.metric {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: var(--r);
  padding: 11px 13px;
  overflow: hidden;
}
.metric::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--ink-faint); transition: background 0.3s, box-shadow 0.3s;
}
.metric[data-state="ok"]::after   { background: var(--ok);   box-shadow: 0 0 12px var(--ok-glow); }
.metric[data-state="warn"]::after { background: var(--warn); box-shadow: 0 0 12px var(--warn-glow); }
.metric[data-state="crit"]::after { background: var(--crit); box-shadow: 0 0 12px var(--crit-glow); }
.metric-label {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 6px; white-space: nowrap;
}
.metric-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 1.7vw, 24px);
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
  transition: color 0.3s, text-shadow 0.3s;
}
.metric[data-state="warn"] .metric-value { color: var(--warn); text-shadow: 0 0 14px var(--warn-glow); }
.metric[data-state="crit"] .metric-value { color: var(--crit); text-shadow: 0 0 14px var(--crit-glow); }
.metric-value .unit { font-size: 0.5em; font-weight: 500; color: var(--ink-dim); margin-left: 2px; letter-spacing: 0.05em; }

/* ============================================================
   right rail — charts + explainer
   ============================================================ */
.rail-right { display: flex; flex-direction: column; }
.chart { padding: 12px 14px; border-bottom: 1px solid var(--hair); }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.chart-title { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-dim); }
.chart-now { font-family: var(--font-mono); font-weight: 600; font-variant-numeric: tabular-nums; font-size: 15px; color: var(--ink); }
.spark { display: block; width: 100%; height: 48px; }

.explainer {
  padding: 14px 16px 18px;
  position: relative;
  flex: 1;
}
.explainer.flash { animation: exFlash 0.5s ease; }
@keyframes exFlash {
  from { background: color-mix(in srgb, var(--accent) 22%, transparent); }
  to   { background: transparent; }
}
.explainer-kicker {
  font-family: var(--font-display);
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 6px; transition: color 0.3s;
}
.explainer-title {
  font-family: var(--font-display);
  font-weight: 600; font-size: 17px; letter-spacing: 0.01em;
  color: var(--ink); margin-bottom: 8px; line-height: 1.2;
}
.explainer-body { color: var(--ink-dim); font-size: 12.5px; line-height: 1.6; }
.explainer-body strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   incident log
   ============================================================ */
.logwrap { margin: var(--gap) 22px 0; }
.log {
  height: 170px;
  overflow-y: auto;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.65;
  scrollbar-width: thin;
  scrollbar-color: var(--hair-bright) transparent;
}
.log::-webkit-scrollbar { width: 8px; }
.log::-webkit-scrollbar-thumb { background: var(--hair-bright); border-radius: 4px; }
.log-line { display: flex; gap: 10px; opacity: 0; animation: logIn 0.25s ease forwards; white-space: pre-wrap; }
@keyframes logIn { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
.log-time { color: var(--ink-faint); flex: none; font-variant-numeric: tabular-nums; }
.log-tag { flex: none; font-weight: 600; letter-spacing: 0.06em; }
.log-msg { color: var(--ink-dim); }
.log-info  .log-tag { color: var(--info); }  .log-info  .log-msg { color: var(--ink); }
.log-ok    .log-tag { color: var(--ok); }    .log-ok    .log-msg { color: var(--ink); }
.log-warn  .log-tag { color: var(--warn); }  .log-warn  .log-msg { color: var(--ink); }
.log-crit  .log-tag { color: var(--crit); }  .log-crit  .log-msg { color: #ffd7df; }
.log-sys   .log-tag { color: var(--ink-dim); }

/* ============================================================
   footer
   ============================================================ */
.footer {
  padding: 26px 22px 40px;
  color: var(--ink-faint);
  font-size: 11.5px;
  line-height: 1.6;
  display: flex; flex-direction: column; gap: 6px;
}
.footer strong { color: var(--ink-dim); }
.footer-meta { letter-spacing: 0.02em; }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1180px) {
  .deck { grid-template-columns: 250px minmax(0, 1fr); }
  .rail-right { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }
  .rail-right .panel-head { width: 100%; }
  .chart { flex: 1 1 200px; border-bottom: 0; border-right: 1px solid var(--hair); }
  .explainer { flex: 1 1 100%; border-top: 1px solid var(--hair); }
  .readouts { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .topbar { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .status-block, .worldwide { align-items: flex-start; text-align: left; justify-self: start; }
  .deck { grid-template-columns: 1fr; }
  .readouts { grid-template-columns: repeat(2, 1fr); }
  .chart { flex: 1 1 100%; border-right: 0; border-bottom: 1px solid var(--hair); }
  .fx-scanlines { opacity: 0.3; }
}