/* =========================================================================
   TRON design system — shared across all CMC / Clinic Logix / ARCHON apps.
   Drop-in stylesheet. Loads self-hosted Inconsolata + Orbitron.
   Activate by adding `theme-tron` class to <body>.
   Customize any variable below at runtime (theme customizer support).
   ========================================================================= */

/* ---- Fonts (self-hosted, no external CDN) ---------------------------- */
@font-face { font-family:"Inconsolata"; font-weight:400; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Inconsolata-400.ttf") format("truetype"); }
@font-face { font-family:"Inconsolata"; font-weight:500; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Inconsolata-500.ttf") format("truetype"); }
@font-face { font-family:"Inconsolata"; font-weight:700; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Inconsolata-700.ttf") format("truetype"); }
@font-face { font-family:"Orbitron"; font-weight:500; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Orbitron-500.ttf") format("truetype"); }
@font-face { font-family:"Orbitron"; font-weight:700; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Orbitron-700.ttf") format("truetype"); }
@font-face { font-family:"Orbitron"; font-weight:900; font-style:normal; font-display:swap;
  src:url("/static/tron/fonts/Orbitron-900.ttf") format("truetype"); }

/* ---- Palette + tokens (CSS variables — customizer mutates these) ----- */
body.theme-tron {
  --tron-accent:      #6FC3DF;   /* Tron primary cyan */
  --tron-accent-hi:   #AEEFFD;   /* bright cyan for active state */
  --tron-accent-glow: rgba(111,195,223,.55);

  --tron-orange:      #FF6300;   /* Clu / alert orange */
  --tron-orange-glow: rgba(255,99,0,.55);

  --tron-bg-deep:     #040A10;   /* space black (page bg) */
  --tron-bg:          #070F17;   /* primary panel bg */
  --tron-bg-2:        #0B1820;   /* raised surface */
  --tron-bg-3:        #132433;   /* hover / elevated */
  --tron-line:        #1E3544;   /* default border */
  --tron-line-hot:    #2F5B72;   /* hover border */

  --tron-ink:         #D7EDF6;   /* primary text */
  --tron-ink-2:       #9BB6C3;   /* secondary text */
  --tron-ink-3:       #5D7A87;   /* muted / label */

  --tron-up:          #4ADE80;
  --tron-warn:        #FFC84B;
  --tron-down:        #FF4D4D;

  --tron-font-mono:   "Inconsolata", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --tron-font-display:"Orbitron", "Inconsolata", ui-monospace, monospace;
  --tron-font-body:   "Inconsolata", ui-monospace, SFMono-Regular, Menlo, monospace;

  --tron-radius:      2px;      /* sharp corners */
  --tron-radius-lg:   3px;
  --tron-shadow:      0 0 10px var(--tron-accent-glow), 0 0 1px var(--tron-accent) inset;
  --tron-shadow-hot:  0 0 16px var(--tron-accent-glow), 0 0 1px var(--tron-accent-hi) inset;

  /* Base styles */
  background: var(--tron-bg-deep);
  color: var(--tron-ink);
  font-family: var(--tron-font-body);
  font-size: 13.5px;
  line-height: 1.55;
  letter-spacing: .015em;
}

/* Tron-Ares variant — hotter orange + magenta palette (set body class theme-tron theme-ares) */
body.theme-tron.theme-ares {
  --tron-accent:      #FF4A1C;
  --tron-accent-hi:   #FF8A5C;
  --tron-accent-glow: rgba(255,74,28,.6);
  --tron-orange:      #EE0B53;
  --tron-orange-glow: rgba(238,11,83,.6);
  --tron-bg-deep:     #0A0406;
  --tron-bg:          #13070B;
  --tron-bg-2:        #1C0E12;
  --tron-bg-3:        #2C171D;
  --tron-line:        #3E1F26;
  --tron-line-hot:    #6A333F;
  --tron-ink:         #FCE7E0;
  --tron-ink-2:       #D8AFA0;
  --tron-ink-3:       #7C5247;
}

/* Animated HEXAGON-grid background — tron honeycomb, behind everything */
body.theme-tron::before {
  content: "";
  position: fixed;
  inset: 0;
  /* Hero-Patterns "Hexagons" honeycomb, tron cyan stroke */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cpath fill='%236FC3DF' fill-opacity='0.25' d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v12.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z'/%3E%3C/svg%3E");
  background-size: 56px 98px;
  opacity: .55;
  pointer-events: none;
  z-index: 0;
  animation: tron-grid-drift 80s linear infinite;
}
body.theme-tron::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at top, transparent 55%, var(--tron-bg-deep) 100%);
  pointer-events: none;
  z-index: 1;
}
/* Tron-Ares: tint the cyan hex grid to orange/magenta via hue-rotate */
body.theme-tron.theme-ares::before { filter: hue-rotate(175deg) saturate(1.3); }

body.theme-tron > * { position: relative; z-index: 2; }

@keyframes tron-grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 56px 98px; }
}

/* ---- Typography ------------------------------------------------------ */
body.theme-tron h1, body.theme-tron h2, body.theme-tron h3,
body.theme-tron .t-display {
  font-family: var(--tron-font-display);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tron-accent-hi);
  text-shadow: 0 0 8px var(--tron-accent-glow);
}
body.theme-tron h1 { font-size: 22px; font-weight: 700; }
body.theme-tron h2 { font-size: 16px; }
body.theme-tron h3 { font-size: 13px; color: var(--tron-accent); }

body.theme-tron code, body.theme-tron pre {
  font-family: var(--tron-font-mono);
  background: var(--tron-bg);
  border: 1px solid var(--tron-line);
  color: var(--tron-accent-hi);
  padding: 1px 6px;
  border-radius: var(--tron-radius);
}

body.theme-tron a { color: var(--tron-accent); text-decoration: none; }
body.theme-tron a:hover { color: var(--tron-accent-hi); text-shadow: 0 0 6px var(--tron-accent-glow); }

/* ---- Panels / cards / surfaces -------------------------------------- */
body.theme-tron .tile,
body.theme-tron .card,
body.theme-tron .agent,
body.theme-tron .approval-card,
body.theme-tron .err-card,
body.theme-tron .cr-repo,
body.theme-tron .bk-timer {
  background: linear-gradient(180deg, var(--tron-bg-2), var(--tron-bg));
  border: 1px solid var(--tron-line);
  border-radius: var(--tron-radius);
  position: relative;
}
body.theme-tron .tile:hover,
body.theme-tron .agent:hover,
body.theme-tron .approval-card:hover {
  border-color: var(--tron-accent);
  box-shadow: var(--tron-shadow);
  transform: none;
}

/* Corner brackets — the classic HUD accent */
body.theme-tron .tile::before,
body.theme-tron .card.tron-bracket::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 1px solid transparent;
  pointer-events: none;
  background:
    linear-gradient(var(--tron-accent), var(--tron-accent)) top left,
    linear-gradient(var(--tron-accent), var(--tron-accent)) top left,
    linear-gradient(var(--tron-accent), var(--tron-accent)) top right,
    linear-gradient(var(--tron-accent), var(--tron-accent)) top right,
    linear-gradient(var(--tron-accent), var(--tron-accent)) bottom left,
    linear-gradient(var(--tron-accent), var(--tron-accent)) bottom left,
    linear-gradient(var(--tron-accent), var(--tron-accent)) bottom right,
    linear-gradient(var(--tron-accent), var(--tron-accent)) bottom right;
  background-repeat: no-repeat;
  background-size:
    12px 1px, 1px 12px,   /* top-left */
    12px 1px, 1px 12px,   /* top-right */
    12px 1px, 1px 12px,   /* bottom-left */
    12px 1px, 1px 12px;   /* bottom-right */
  background-position:
    0 0, 0 0,
    calc(100% - 0px) 0, 100% 0,
    0 100%, 0 calc(100% - 0px),
    100% 100%, calc(100% - 0px) 100%;
  opacity: .7;
  filter: drop-shadow(0 0 3px var(--tron-accent-glow));
}

body.theme-tron .tile .accent {
  background: linear-gradient(90deg, transparent, var(--tron-accent), transparent) !important;
  height: 1px !important;
  box-shadow: 0 0 8px var(--tron-accent-glow);
}

/* ---- Top bar / brand ------------------------------------------------- */
body.theme-tron .topbar {
  background: linear-gradient(180deg, var(--tron-bg-2), var(--tron-bg-deep));
  border-bottom: 1px solid var(--tron-accent);
  box-shadow: 0 1px 12px var(--tron-accent-glow);
}
body.theme-tron .brand .ring {
  color: var(--tron-accent-hi);
  filter: drop-shadow(0 0 10px var(--tron-accent-glow));
  animation: tron-ring-pulse 3.5s ease-in-out infinite;
}
@keyframes tron-ring-pulse {
  0%,100% { filter: drop-shadow(0 0 6px var(--tron-accent-glow)); }
  50%     { filter: drop-shadow(0 0 14px var(--tron-accent-hi)); }
}
body.theme-tron .brand .title { color: var(--tron-accent-hi); font-family: var(--tron-font-display);
  text-transform: uppercase; letter-spacing: .12em; }
body.theme-tron .brand .tagline { color: var(--tron-ink-3); letter-spacing: .4em; }

/* ---- Tabs (top nav) -------------------------------------------------- */
body.theme-tron .tabs {
  background: linear-gradient(180deg, var(--tron-bg-2), var(--tron-bg));
  border-bottom: 1px solid var(--tron-accent);
  box-shadow: 0 1px 12px var(--tron-accent-glow);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  flex-wrap: nowrap;
}
body.theme-tron .tabs::-webkit-scrollbar { height: 4px; }
body.theme-tron .tabs::-webkit-scrollbar-thumb { background: var(--tron-accent); }
body.theme-tron .tabs .tab {
  color: var(--tron-ink-3);
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 500;
  padding: 12px 20px;
  border-left: 1px solid var(--tron-line);
  border-right: 0;
  border-bottom: 2px solid transparent;
  background: linear-gradient(180deg, transparent 60%, rgba(111,195,223,.02));
  flex-shrink: 0;
  transition: color .15s, background .15s, box-shadow .2s;
  position: relative;
}
body.theme-tron .tabs .tab::before {
  content: "▸";
  display: inline-block;
  margin-right: 6px;
  opacity: .35;
  color: var(--tron-accent);
  transition: transform .15s, opacity .15s;
}
body.theme-tron .tabs .tab:first-child { border-left: 0; }
body.theme-tron .tabs .tab:hover {
  color: var(--tron-accent-hi);
  background: linear-gradient(180deg, transparent 40%, rgba(111,195,223,.08));
}
body.theme-tron .tabs .tab:hover::before { opacity: 1; transform: translateX(2px); }
body.theme-tron .tabs .tab.on {
  color: var(--tron-accent-hi);
  background: linear-gradient(180deg, transparent 30%, rgba(111,195,223,.15));
  border-bottom-color: var(--tron-accent);
  box-shadow:
    inset 0 -2px 0 var(--tron-accent-hi),
    inset 0 0 30px -10px var(--tron-accent-glow),
    0 0 20px -8px var(--tron-accent-glow);
  text-shadow: 0 0 8px var(--tron-accent-glow);
}
body.theme-tron .tabs .tab.on::before {
  opacity: 1;
  color: var(--tron-accent-hi);
  text-shadow: 0 0 8px var(--tron-accent-glow);
}
/* Animated data-stream under the active tab */
body.theme-tron .tabs .tab.on::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tron-accent-hi), transparent);
  animation: tron-tab-sweep 2.4s linear infinite;
}
@keyframes tron-tab-sweep {
  0%   { transform: translateX(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}

/* ---- Buttons --------------------------------------------------------- */
body.theme-tron .btn {
  background: transparent;
  color: var(--tron-accent);
  border: 1px solid var(--tron-accent);
  border-radius: 0;
  padding: 5px 14px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 11px;
  font-weight: 500;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: all .12s;
}
body.theme-tron .btn:hover {
  background: var(--tron-accent);
  color: var(--tron-bg-deep);
  box-shadow: var(--tron-shadow-hot);
}
body.theme-tron .btn.primary {
  background: var(--tron-accent);
  color: var(--tron-bg-deep);
  border-color: var(--tron-accent-hi);
  box-shadow: 0 0 10px var(--tron-accent-glow);
}
body.theme-tron .btn.primary:hover { background: var(--tron-accent-hi); }
body.theme-tron .btn.danger {
  color: var(--tron-down);
  border-color: var(--tron-down);
  background: transparent;
}
body.theme-tron .btn.danger:hover {
  background: var(--tron-down);
  color: var(--tron-bg-deep);
  box-shadow: 0 0 10px rgba(255,77,77,.6);
}

/* ---- Inputs, selects, textareas ------------------------------------- */
body.theme-tron input, body.theme-tron select, body.theme-tron textarea {
  background: var(--tron-bg);
  color: var(--tron-ink);
  border: 1px solid var(--tron-line);
  border-radius: 0;
  padding: 5px 10px;
  font-family: var(--tron-font-mono);
  font-size: 12px;
}
/* Frosted-glass pull-over select dropdowns (applied empire-wide).
   Native browser chrome (especially dark-mode) hides options — this
   replaces it with a readable tron-styled dropdown + cyan chevron. */
body.theme-tron select {
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(180deg, rgba(19,36,51,.88), rgba(10,21,32,.88));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding-right: 28px;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236FC3DF' d='M0 0 L5 6 L10 0 Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  cursor: pointer;
}
body.theme-tron select:hover {
  border-color: var(--tron-line-hot);
}
body.theme-tron select option {
  background: var(--tron-bg-deep);
  color: var(--tron-ink);
  font-weight: 500;
  padding: 4px 8px;
}
body.theme-tron select option:checked,
body.theme-tron select option:hover {
  background: var(--tron-bg-3);
  color: var(--tron-accent-hi);
}
body.theme-tron input:focus, body.theme-tron select:focus, body.theme-tron textarea:focus {
  outline: 0;
  border-color: var(--tron-accent);
  box-shadow: 0 0 6px var(--tron-accent-glow);
}

/* ---- System strip (metric pills) ------------------------------------ */
body.theme-tron .sysstrip .metric {
  background: var(--tron-bg-2);
  border: 1px solid var(--tron-line);
  border-radius: 0;
  padding: 3px 12px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}
body.theme-tron .sysstrip .metric b { color: var(--tron-ink-3); text-transform: uppercase;
  letter-spacing: .14em; font-weight: 500; font-size: 9.5px; }
body.theme-tron .sysstrip .metric span { color: var(--tron-ink); font-weight: 500; }
body.theme-tron .sysstrip .metric.ok span { color: var(--tron-up); }
body.theme-tron .sysstrip .metric.bad span { color: var(--tron-down); text-shadow: 0 0 6px rgba(255,77,77,.5); }
body.theme-tron .sysstrip .metric.warn span { color: var(--tron-warn); }

/* ---- At-a-Glance banner --------------------------------------------- */
body.theme-tron .glance {
  background: linear-gradient(180deg, var(--tron-bg-2), var(--tron-bg));
  border: 1px solid var(--tron-accent);
  border-radius: 0;
  box-shadow: 0 0 20px var(--tron-accent-glow);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}
body.theme-tron .glance-cell { border-right-color: var(--tron-line); }
body.theme-tron .glance-num { font-family: var(--tron-font-display); font-weight: 700;
  color: var(--tron-accent-hi); text-shadow: 0 0 8px var(--tron-accent-glow); }
body.theme-tron .glance-num.ok { color: var(--tron-up); text-shadow: 0 0 8px rgba(74,222,128,.5); }
body.theme-tron .glance-num.warn { color: var(--tron-warn); }
body.theme-tron .glance-num.bad { color: var(--tron-down); text-shadow: 0 0 8px rgba(255,77,77,.6); }
body.theme-tron .glance-label { color: var(--tron-ink-3); letter-spacing: .24em; font-size: 9.5px; }

/* ---- Category filter pills ------------------------------------------ */
body.theme-tron .cats .cat {
  background: transparent;
  border: 1px solid var(--tron-line);
  color: var(--tron-ink-3);
  border-radius: 0;
  padding: 5px 14px;
  letter-spacing: .14em;
}
body.theme-tron .cats .cat:hover { color: var(--tron-accent); border-color: var(--tron-accent); }
body.theme-tron .cats .cat.on {
  background: var(--tron-accent);
  color: var(--tron-bg-deep);
  border-color: var(--tron-accent-hi);
  box-shadow: 0 0 10px var(--tron-accent-glow);
}

/* ---- Tables --------------------------------------------------------- */
body.theme-tron .mc-table {
  background: var(--tron-bg);
  border: 1px solid var(--tron-line);
  border-radius: 0;
}
body.theme-tron .mc-table th {
  background: var(--tron-bg-2);
  color: var(--tron-accent);
  border-bottom: 1px solid var(--tron-accent);
  letter-spacing: .14em;
  font-size: 10px;
}
body.theme-tron .mc-table td { border-bottom-color: var(--tron-line); color: var(--tron-ink-2); }
body.theme-tron .mc-table tr:hover td { background: var(--tron-bg-3); color: var(--tron-ink); }

/* ---- Approvals-specific ---------------------------------------------- */
body.theme-tron .approval-status {
  border-radius: 0;
  letter-spacing: .18em;
  clip-path: polygon(3px 0, 100% 0, 100% calc(100% - 3px), calc(100% - 3px) 100%, 0 100%, 0 3px);
}
body.theme-tron .approval-status.ok { background: rgba(74,222,128,.15); color: var(--tron-up); }
body.theme-tron .approval-status.warn { background: rgba(255,200,75,.15); color: var(--tron-warn); }
body.theme-tron .approval-proposed {
  background: var(--tron-bg);
  border-left-color: var(--tron-accent);
}
body.theme-tron .approval-note {
  background: var(--tron-bg);
  border: 1px solid var(--tron-line);
  color: var(--tron-ink);
}
body.theme-tron .tab-badge {
  background: var(--tron-accent);
  color: var(--tron-bg-deep);
  box-shadow: 0 0 8px var(--tron-accent-glow);
  font-family: var(--tron-font-display);
}

/* ---- Scrollbar ------------------------------------------------------- */
body.theme-tron ::-webkit-scrollbar { width: 8px; height: 8px; }
body.theme-tron ::-webkit-scrollbar-track { background: var(--tron-bg); }
body.theme-tron ::-webkit-scrollbar-thumb { background: var(--tron-line); }
body.theme-tron ::-webkit-scrollbar-thumb:hover { background: var(--tron-accent); }

/* ---- Utility classes ------------------------------------------------- */
.tron-mono  { font-family: var(--tron-font-mono); }
.tron-display { font-family: var(--tron-font-display); letter-spacing: .1em; text-transform: uppercase; }
.tron-glow  { text-shadow: 0 0 8px var(--tron-accent-glow); }

/* Hex badge */
.tron-hex {
  display: inline-block;
  width: 24px; height: 26px;
  background: var(--tron-accent);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  box-shadow: 0 0 8px var(--tron-accent-glow);
}

/* Data stream accent rule */
.tron-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tron-accent), transparent);
  border: 0;
  margin: 16px 0;
  box-shadow: 0 0 6px var(--tron-accent-glow);
}

/* ==========================================================
   DILLINGER GAUGE — circular % indicator (Tron Ares style).
   Use: <div class="tron-gauge" style="--v: 0.73" data-label="CPU" data-val="73%"></div>
   --v is 0..1 fraction filled. Font/colors inherit from theme.
   ========================================================== */
.tron-gauge {
  --v: 0.5;
  --size: 72px;
  --thickness: 6px;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: var(--size); height: var(--size);
  border-radius: 50%;
  background:
    conic-gradient(var(--tron-accent) calc(var(--v) * 360deg), transparent 0),
    radial-gradient(circle at center, rgba(11,24,32,.72), rgba(7,15,23,.72));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow:
    0 0 14px -4px var(--tron-accent-glow),
    inset 0 0 0 1px var(--tron-line);
  color: var(--tron-ink);
  font-family: var(--tron-font-display);
}
.tron-gauge::before {
  content: "";
  position: absolute; inset: var(--thickness);
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(11,24,32,.95), rgba(4,10,16,.98));
  border: 1px solid var(--tron-line);
}
.tron-gauge::after {
  content: attr(data-val);
  position: relative;
  z-index: 1;
  font-size: calc(var(--size) * .22);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--tron-accent-hi);
  text-shadow: 0 0 8px var(--tron-accent-glow);
}
.tron-gauge .tron-gauge-label {
  position: absolute;
  bottom: -16px;
  left: 50%; transform: translateX(-50%);
  font-size: calc(var(--size) * .12);
  letter-spacing: .22em;
  color: var(--tron-ink-3);
  text-transform: uppercase;
  white-space: nowrap;
}
.tron-gauge.ok   { background: conic-gradient(var(--tron-up)   calc(var(--v) * 360deg), transparent 0),
                   radial-gradient(circle at center, rgba(11,24,32,.72), rgba(7,15,23,.72)); }
.tron-gauge.ok::after   { color: var(--tron-up);   text-shadow: 0 0 8px rgba(74,222,128,.5); }
.tron-gauge.warn { background: conic-gradient(var(--tron-warn) calc(var(--v) * 360deg), transparent 0),
                   radial-gradient(circle at center, rgba(11,24,32,.72), rgba(7,15,23,.72)); }
.tron-gauge.warn::after { color: var(--tron-warn); }
.tron-gauge.bad  { background: conic-gradient(var(--tron-down) calc(var(--v) * 360deg), transparent 0),
                   radial-gradient(circle at center, rgba(11,24,32,.72), rgba(7,15,23,.72));
                   animation: tron-bad-ring-pulse 1.6s ease-in-out infinite; }
.tron-gauge.bad::after  { color: var(--tron-down); text-shadow: 0 0 10px rgba(255,77,77,.7); }
@keyframes tron-bad-ring-pulse {
  0%,100% { box-shadow: 0 0 14px -4px rgba(255,77,77,.4), inset 0 0 0 1px var(--tron-line); }
  50%     { box-shadow: 0 0 22px -2px rgba(255,77,77,.9), inset 0 0 0 1px var(--tron-down); }
}
/* Horizontal bar gauge — alternative form factor */
.tron-bar-gauge {
  --v: 0.5;
  display: block;
  position: relative;
  width: 100%; height: 6px;
  background: var(--tron-bg);
  border: 1px solid var(--tron-line);
  overflow: hidden;
}
.tron-bar-gauge::before {
  content: "";
  position: absolute; inset: 0;
  width: calc(var(--v) * 100%);
  background: linear-gradient(90deg, var(--tron-accent), var(--tron-accent-hi));
  box-shadow: 0 0 8px var(--tron-accent-glow);
  transition: width .4s cubic-bezier(.22,.61,.36,1);
}
.tron-bar-gauge.ok::before   { background: linear-gradient(90deg, var(--tron-up),   #86efac); }
.tron-bar-gauge.warn::before { background: linear-gradient(90deg, var(--tron-warn), #fde68a); }
.tron-bar-gauge.bad::before  { background: linear-gradient(90deg, var(--tron-down), #fca5a5); }

/* =========================================================
   ADDITIONAL TRON PRIMITIVES — cinematic UI flourishes
   Drop-in classes for KPI dashboards, panels, loading states.
   ========================================================= */

/* ── HUD corner brackets — wrap anything in .tron-hud to get
      the classic 4-corner HUD accent (on top of existing border) */
.tron-hud {
  position: relative;
}
.tron-hud::before,
.tron-hud::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--tron-accent);
  filter: drop-shadow(0 0 4px var(--tron-accent-glow));
  pointer-events: none;
}
.tron-hud::before {
  top: -1px; left: -1px;
  border-right: 0; border-bottom: 0;
}
.tron-hud::after {
  bottom: -1px; right: -1px;
  border-left: 0; border-top: 0;
}
.tron-hud > .tron-hud-tr,
.tron-hud > .tron-hud-bl {
  position: absolute; width: 14px; height: 14px;
  border: 2px solid var(--tron-accent);
  filter: drop-shadow(0 0 4px var(--tron-accent-glow));
  pointer-events: none;
}
.tron-hud > .tron-hud-tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.tron-hud > .tron-hud-bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }

/* ── Scanline sweep — animated horizontal sweep overlay,
      add .tron-scan to any panel for that Tron-screen feel */
.tron-scan { position: relative; overflow: hidden; }
.tron-scan::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tron-accent-hi), transparent);
  box-shadow: 0 0 12px var(--tron-accent-glow);
  animation: tron-scan-down 3.2s linear infinite;
  pointer-events: none;
}
@keyframes tron-scan-down {
  0%   { top: -2px; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ── Identity-disc spinner — Tron light-disc loading indicator */
.tron-disc {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--tron-accent);
  border-top-color: transparent;
  border-right-color: var(--tron-accent-hi);
  box-shadow: 0 0 14px var(--tron-accent-glow), 0 0 2px var(--tron-accent-hi) inset;
  animation: tron-disc-spin 1.2s linear infinite;
}
@keyframes tron-disc-spin { to { transform: rotate(360deg); } }

/* ── Data stream — animated gradient flowing through connector lines */
.tron-stream {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--tron-accent-hi), transparent);
  background-size: 200% 100%;
  background-repeat: no-repeat;
  box-shadow: 0 0 6px var(--tron-accent-glow);
  animation: tron-stream-flow 2.4s linear infinite;
}
@keyframes tron-stream-flow {
  from { background-position: -100% 0; }
  to   { background-position: 200% 0; }
}

/* ── KPI card with digit ticker — big Orbitron number + trend spark */
.kpi-card {
  position: relative;
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--tron-bg-2), var(--tron-bg));
  border: 1px solid var(--tron-line);
  overflow: hidden;
}
.kpi-card:hover { border-color: var(--tron-accent); box-shadow: 0 0 18px -4px var(--tron-accent-glow); }
.kpi-card .kpi-label {
  font-family: var(--tron-font-display);
  font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--tron-ink-3);
}
.kpi-card .kpi-num {
  font-family: var(--tron-font-display);
  font-size: 44px; font-weight: 700; line-height: 1.05;
  color: var(--tron-accent-hi);
  text-shadow: 0 0 12px var(--tron-accent-glow);
  font-variant-numeric: tabular-nums;
  transition: transform .2s;
  display: block;
}
.kpi-card .kpi-num.changed { animation: tron-kpi-pulse .6s ease-out; }
.kpi-card .kpi-num.ok   { color: var(--tron-up);   text-shadow: 0 0 12px rgba(74,222,128,.6); }
.kpi-card .kpi-num.warn { color: var(--tron-warn); text-shadow: 0 0 12px rgba(255,200,75,.6); }
.kpi-card .kpi-num.bad  { color: var(--tron-down); text-shadow: 0 0 14px rgba(255,77,77,.7); animation: tron-kpi-alert 1.6s ease-in-out infinite; }
@keyframes tron-kpi-pulse {
  0%   { transform: scale(1.15); filter: brightness(1.6); }
  100% { transform: scale(1); filter: brightness(1); }
}
@keyframes tron-kpi-alert {
  0%,100% { text-shadow: 0 0 12px rgba(255,77,77,.5); }
  50%     { text-shadow: 0 0 22px rgba(255,77,77,.95); }
}
.kpi-card .kpi-sub {
  font-size: 11px; color: var(--tron-ink-2); margin-top: 4px; letter-spacing: .08em;
}
.kpi-card .kpi-delta { margin-left: 8px; font-size: 12px; font-family: var(--tron-font-mono); }
.kpi-card .kpi-delta.up   { color: var(--tron-up); }
.kpi-card .kpi-delta.down { color: var(--tron-down); }

/* ── Segmented ring — alternative to tron-gauge with visible segments */
.tron-ring-seg {
  width: 68px; height: 68px; border-radius: 50%;
  background:
    conic-gradient(from -90deg,
      var(--tron-accent) 0 calc(var(--v,.5) * 360deg),
      var(--tron-bg-3) 0),
    repeating-conic-gradient(var(--tron-bg-deep) 0 12deg, transparent 12deg 13deg);
  box-shadow: 0 0 12px -4px var(--tron-accent-glow), inset 0 0 0 1px var(--tron-line);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
}
.tron-ring-seg::before {
  content: ""; position: absolute; inset: 7px; border-radius: 50%;
  background: var(--tron-bg-deep); border: 1px solid var(--tron-line);
}
.tron-ring-seg > * { position: relative; z-index: 1; }
.tron-ring-seg .lbl {
  font-family: var(--tron-font-display); font-size: 13px; font-weight: 700;
  color: var(--tron-accent-hi); text-shadow: 0 0 8px var(--tron-accent-glow);
}

/* ── Typewriter terminal — CSS-only reveal for headers */
.tron-type {
  overflow: hidden; white-space: nowrap;
  border-right: 2px solid var(--tron-accent);
  animation: tron-type-reveal 2s steps(40, end) forwards,
             tron-type-caret .8s step-end infinite;
}
@keyframes tron-type-reveal { from { width: 0; } to { width: 100%; } }
@keyframes tron-type-caret  { 50% { border-color: transparent; } }

/* ── Neon pulse outline for "attention here" callouts */
.tron-pulse-outline {
  animation: tron-pulse-out 2.2s ease-in-out infinite;
}
@keyframes tron-pulse-out {
  0%,100% { box-shadow: 0 0 0 0 var(--tron-accent-glow); }
  50%     { box-shadow: 0 0 0 8px transparent; }
}

/* ── Holographic tilt card — 3D hover effect */
.tron-holo {
  transition: transform .25s ease-out, box-shadow .25s;
  transform-style: preserve-3d;
  will-change: transform;
}
.tron-holo:hover {
  transform: perspective(800px) rotateX(1deg) rotateY(-1.5deg) translateZ(6px);
  box-shadow: 0 12px 36px -10px var(--tron-accent-glow), 0 0 16px -4px var(--tron-accent-glow) inset;
}

/* ── Alert ribbon — diagonal corner banner ("NEW", "LIVE", etc.) */
.tron-ribbon {
  position: absolute; top: 0; right: 0;
  background: var(--tron-accent); color: var(--tron-bg-deep);
  font-family: var(--tron-font-display); font-size: 9px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  padding: 3px 22px; transform: rotate(28deg) translate(22px, -4px);
  transform-origin: center; box-shadow: 0 0 12px var(--tron-accent-glow);
}

/* Boot splash (dismissible) */
.tron-boot {
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at center, var(--tron-bg-2) 0%, var(--tron-bg-deep) 100%);
  z-index: 9999;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--tron-font-display);
  color: var(--tron-accent-hi);
  animation: tron-boot-fade .6s ease-out 2.2s forwards;
}
.tron-boot.hide { animation: tron-boot-fade .6s ease-out forwards; pointer-events: none; }
@keyframes tron-boot-fade { to { opacity: 0; visibility: hidden; } }
.tron-boot .tron-boot-ring {
  width: 80px; height: 80px; border-radius: 50%;
  border: 2px solid var(--tron-accent);
  border-top-color: transparent;
  animation: tron-spin 1.1s linear infinite;
  box-shadow: 0 0 20px var(--tron-accent-glow), 0 0 1px var(--tron-accent-hi) inset;
  margin-bottom: 20px;
}
@keyframes tron-spin { to { transform: rotate(360deg); } }
.tron-boot .tron-boot-text {
  font-size: 14px; letter-spacing: .4em; text-transform: uppercase;
  text-shadow: 0 0 10px var(--tron-accent-glow);
}
.tron-boot .tron-boot-text::after {
  content: "";
  display: inline-block;
  width: .2em;
  animation: tron-ellipsis 1.3s steps(4) infinite;
}
@keyframes tron-ellipsis {
  0%   { content: ""; }
  25%  { content: "."; }
  50%  { content: ".."; }
  75%  { content: "..."; }
  100% { content: ""; }
}
