:root {
  --phos: #35e06a;          /* phosphor green */
  --phos-bright: #8effae;
  --phos-dim: #1b7a3c;
  --ink: #020604;
  --panel: #04120a;
  --panel-edge: #0e3a20;
  --text: #a8d8b4;
  --serif: "Trajan Pro", "Cinzel", "Optima", "Palatino Linotype", Palatino, Georgia, serif;
  --slate-font: "Courier New", "DejaVu Sans Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--serif);
  background: #101210; /* CRT housing; the glass lives in .screen */
  overflow: hidden;
}

/* The CRT look is pure CSS — no SVG/pixel-displacement filter. Real warping
   of live HTML proved unfixable across platforms (GPU resampling artifacts on
   Windows, CPU-bound repaints, text clipping). Instead the curvature is sold
   by the glass itself: a bowed silhouette (elliptical border-radius on every
   glass layer), a curved specular glare, vignette and scanlines. Everything
   is GPU-composited, text stays crisp, clicks land where they look. */
.screen {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.scroll {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2.5rem 1.4rem 3rem;
  background:
    radial-gradient(120% 80% at 50% -10%, #062512 0%, #031007 55%, #010502 100%),
    #010502;
}

/* ---------------- CRT cogitator screen ---------------- */
/* rounded glass bezel: paints everything outside the rounded rect */
.bezel {
  position: fixed;
  inset: 0;
  pointer-events: none;
  border-radius: 50% / 5%;
  box-shadow:
    0 0 0 9999px #101210,                       /* housing outside the glass */
    inset 0 0 6px 2px rgba(0,0,0,0.9),          /* glass edge */
    inset 0 0 60px rgba(53,224,106,0.06);       /* phosphor bloom */
  z-index: 8;
}

/* phosphor scanlines + aperture grille */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  border-radius: 50% / 5%;
  background:
    repeating-linear-gradient(
      to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,0.28) 2px 4px),
    repeating-linear-gradient(
      to right, rgba(0,20,8,0.12) 0 1px, rgba(0,0,0,0) 1px 3px);
  z-index: 5;
  mix-blend-mode: multiply;
  animation: flicker 4s steps(60) infinite;
}

/* slow travelling refresh band */
.sweep {
  position: fixed;
  inset: 0;
  pointer-events: none;
  border-radius: 50% / 5%;
  overflow: hidden;
  z-index: 6;
}
.sweep::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 14vh;
  background: linear-gradient(180deg,
    rgba(53,224,106,0) 0%, rgba(53,224,106,0.05) 50%, rgba(53,224,106,0) 100%);
  animation: sweep 7s linear infinite;
}

/* curved-glass vignette + specular glare (the glare arc is what makes the
   glass read as bulged) */
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  border-radius: 50% / 5%;
  background: radial-gradient(115% 105% at 50% 48%,
    rgba(0,0,0,0) 62%, rgba(0,0,0,0.32) 86%, rgba(0,0,0,0.62) 100%);
  z-index: 7;
}
.vignette::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(120% 55% at 50% -14%,
      rgba(190,255,205,0.09), rgba(190,255,205,0.03) 46%, transparent 64%),
    radial-gradient(130% 45% at 50% 116%,
      rgba(190,255,205,0.045), transparent 55%);
}

@keyframes sweep {
  from { top: -16vh; }
  to   { top: 102vh; }
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  92%      { opacity: 1; }
  93%      { opacity: 0.86; }
  94%      { opacity: 1; }
  97%      { opacity: 0.93; }
}
@media (prefers-reduced-motion: reduce) {
  .scanlines { animation: none; }
  .sweep::before { animation: none; display: none; }
}

/* Administratum sigil, phosphor-tinted via CSS mask */
.sigil {
  display: inline-block;
  width: 0.85em;
  aspect-ratio: 145 / 339;
  background: linear-gradient(180deg, var(--phos-bright), var(--phos-dim));
  -webkit-mask: url("assets/administratum.png") no-repeat center / contain;
  mask: url("assets/administratum.png") no-repeat center / contain;
  filter: drop-shadow(0 0 6px rgba(53,224,106,0.4));
}

/* ---------------- Masthead ---------------- */
.masthead { text-align: center; margin-bottom: 2.2rem; }

/* Imperial Aquila rendered from aquila.svg via CSS mask so it takes the phosphor color */
.aquila {
  width: min(360px, 78vw);
  aspect-ratio: 286.001 / 107.443;
  margin: 0 auto 0.4rem;
  background: linear-gradient(180deg, var(--phos-bright) 0%, var(--phos) 55%, var(--phos-dim) 100%);
  -webkit-mask: url("assets/aquila.svg") no-repeat center / contain;
  mask: url("assets/aquila.svg") no-repeat center / contain;
  filter: drop-shadow(0 0 14px rgba(53,224,106,0.35));
}

h1 {
  font-size: clamp(1.7rem, 5vw, 2.9rem);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin: 0.2rem 0 0;
  color: var(--phos-bright);
  text-shadow: 0 1px 0 #000, 0 0 18px rgba(53,224,106,0.35);
}

.subtitle {
  margin: 0.5rem 0 0;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  font-size: clamp(0.62rem, 1.8vw, 0.82rem);
  color: var(--text);
  opacity: 0.7;
}

.rule {
  margin: 1.1rem auto 0;
  width: min(560px, 90%);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.rule::before, .rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--phos-dim));
}
.rule::after { background: linear-gradient(90deg, var(--phos-dim), transparent); }
.rule .badge { line-height: 0; }
.rule .sigil { width: 0.95rem; }

/* ---------------- Panels ---------------- */
main {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.panel {
  background:
    linear-gradient(180deg, rgba(53,224,106,0.03), rgba(0,0,0,0.3)),
    var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 16px;
  padding: 1.5rem 1.5rem 1.7rem;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(53,224,106,0.07),
              0 10px 30px rgba(0,0,0,0.6);
}
.panel-title {
  margin: 0;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--phos);
}
.panel-sub {
  margin: 0.25rem 0 1.2rem;
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text);
  opacity: 0.55;
}

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.85rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
}
.tag { white-space: nowrap; line-height: 1.4; }
.hint { text-transform: none; letter-spacing: normal; opacity: 0.5; font-style: italic; }

input, select {
  font-family: var(--slate-font);
  font-size: 1rem;
  color: var(--phos-bright);
  background: #020b06;
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 0.5rem 0.55rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus {
  border-color: var(--phos);
  box-shadow: 0 0 0 1px rgba(53,224,106,0.4), inset 0 0 8px rgba(53,224,106,0.08);
}
select { appearance: none; cursor: pointer; }

/* native spin buttons are white and off-theme — the fields are type-in */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

/* ---------------- Readout / data-slate ---------------- */
.readout {
  margin-top: 1.3rem;
  text-align: center;
  padding: 1rem 0.75rem;
  border: 1px solid var(--phos-dim);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(53,224,106,0.06), rgba(0,0,0,0.4));
  box-shadow: inset 0 0 20px rgba(0,0,0,0.65);
}
.slate {
  font-family: var(--slate-font);
  font-size: clamp(1.15rem, 4.5vw, 1.7rem);
  letter-spacing: 0.12em;
  color: var(--phos-bright);
  text-shadow: 0 0 10px rgba(53,224,106,0.55);
  word-break: break-word;
}

.copy {
  margin: 0.9rem auto 0;
  display: block;
  font-family: var(--serif);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.copy:hover { color: var(--phos-bright); border-color: var(--phos); }
.copy.done { color: var(--phos-bright); border-color: var(--phos); background: rgba(53,224,106,0.08); }

/* ---------------- Divider ---------------- */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  color: var(--phos-dim);
  font-size: 0.85rem;
}
.divider .sigil { width: 0.8rem; }

/* ---------------- Footer ---------------- */
footer {
  max-width: 760px;
  margin: 2.6rem auto 0;
  text-align: center;
}
.creed {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--phos);
  opacity: 0.65;
  text-shadow: 0 0 12px rgba(53,224,106,0.35);
}

@media (max-width: 520px) {
  h1 { letter-spacing: 0.22em; }
  .subtitle { letter-spacing: 0.28em; }
}