:root {
  --bg: #020604;
  --panel: rgba(2, 10, 4, 0.94);
  --text: #a7d9a9;
  --bright: #d4f0d5;
  --dim: #5d9063;
  --dark: #24452a;
  --accent: #7bbf82;
  --warn: #d8c77a;
  --danger: #d88f7a;
  --glow: rgba(107, 201, 118, 0.17);
  --transition: 720ms ease;
}

body[data-theme="research"] {
  --bg: #020705;
  --panel: rgba(2, 12, 7, 0.94);
  --text: #9fd3a4;
  --bright: #d9f1da;
  --dim: #5f9264;
  --dark: #244c2c;
  --accent: #87c98d;
  --glow: rgba(96, 205, 110, 0.18);
}

body[data-theme="employee"] {
  --bg: #050706;
  --panel: rgba(7, 11, 9, 0.94);
  --text: #a9c5b5;
  --bright: #dce8e0;
  --dim: #687f73;
  --dark: #2c4035;
  --accent: #8bad9a;
  --glow: rgba(117, 166, 138, 0.16);
}

body[data-theme="maintenance"] {
  --bg: #090703;
  --panel: rgba(14, 10, 3, 0.94);
  --text: #d3b878;
  --bright: #f1dfae;
  --dim: #92794a;
  --dark: #4f3d1e;
  --accent: #d3a84f;
  --glow: rgba(217, 166, 66, 0.17);
}

body[data-theme="security"] {
  --bg: #020609;
  --panel: rgba(2, 9, 14, 0.94);
  --text: #95bed2;
  --bright: #d2e8f1;
  --dim: #587d91;
  --dark: #243e4c;
  --accent: #70a8c6;
  --glow: rgba(81, 159, 201, 0.17);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--dark) 42%, #000) 0%, var(--bg) 72%);
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  letter-spacing: .035em;
  transition: background var(--transition), color var(--transition);
}
button, input, select { font: inherit; }
button { color: inherit; }

.terminal-shell {
  width: min(1120px, 96vw);
  min-height: 92vh;
  margin: 4vh auto;
  padding: clamp(18px, 3vw, 38px);
  background: var(--panel);
  border: 1px solid var(--dark);
  box-shadow: 0 0 34px var(--glow), inset 0 0 58px color-mix(in srgb, var(--glow) 35%, transparent);
  text-shadow: 0 0 5px color-mix(in srgb, var(--accent) 40%, transparent);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.terminal-header, .identity-bar, .main-nav, .command {
  border-color: var(--dark);
  transition: border-color var(--transition), color var(--transition);
}
.terminal-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--dark);
  padding-bottom: 14px;
}
.brand { font-weight: 700; font-size: clamp(20px, 2.4vw, 30px); color: var(--bright); }
.subbrand, .status { color: var(--dim); font-size: 13px; margin-top: 4px; }
.header-right { text-align: right; }

.identity-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--dark);
  font-size: 13px;
}
.identity-bar strong { color: var(--bright); }

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 13px 0;
  border-bottom: 1px solid var(--dark);
}
.main-nav button, .link-button, .action-button, .card-button {
  background: transparent;
  border: 1px solid var(--dark);
  padding: 8px 11px;
  cursor: pointer;
  transition: background 140ms, border-color 140ms, color 140ms;
}
.main-nav button:hover, .link-button:hover, .action-button:hover, .card-button:hover,
.main-nav button:focus, .link-button:focus, .action-button:focus, .card-button:focus {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: var(--accent);
  color: var(--bright);
  outline: none;
}
.badge { color: var(--warn); }

.screen { min-height: 57vh; padding: 22px 0 10px; line-height: 1.48; }
.screen h1, .screen h2, .screen h3 { margin: 0 0 12px; color: var(--bright); font-size: 1em; }
.screen p { max-width: 78ch; margin: 7px 0 14px; }
.rule { border-top: 1px solid var(--dark); margin: 14px 0; }
.dim { color: var(--dim); }
.warn { color: var(--warn); }
.danger { color: var(--danger); }
.bright { color: var(--bright); }
.mono-block {
  white-space: pre-wrap;
  border-left: 2px solid var(--dark);
  padding: 8px 12px;
  margin: 10px 0 16px;
  max-width: 86ch;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}
.tile {
  display: block;
  width: 100%;
  min-height: 92px;
  text-align: left;
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  border: 1px solid var(--dark);
  padding: 12px;
  cursor: pointer;
}
.tile:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.tile-title { color: var(--bright); font-weight: 700; }
.tile-meta { display: block; margin-top: 6px; color: var(--dim); font-size: 12px; }
.tile.locked { opacity: .52; cursor: not-allowed; }
.tile.locked:hover { border-color: var(--dark); background: color-mix(in srgb, var(--accent) 4%, transparent); }

.list { margin: 12px 0; border-top: 1px solid var(--dark); }
.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--dark);
  background: transparent;
  padding: 10px 4px;
  cursor: pointer;
}
.list-row:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.list-row .meta { color: var(--dim); font-size: 12px; }
.list-row.locked { opacity: .5; cursor: not-allowed; }

.form-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0; }
input, select {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--bright);
  border: 1px solid var(--dark);
  padding: 9px 11px;
  min-width: 220px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
select option { background: #09100b; color: #ddd; }

.permission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 18px;
  max-width: 720px;
  margin: 12px 0 18px;
}
.permission { display: flex; justify-content: space-between; border-bottom: 1px dotted var(--dark); padding: 4px 0; }
.ok { color: var(--bright); }
.no { color: var(--dim); }

.puzzle-box { border: 1px solid var(--dark); padding: 14px; margin-top: 14px; }
.puzzle-step { margin: 14px 0; }
.puzzle-step label { display: block; margin-bottom: 6px; color: var(--bright); }
.success-box { border: 1px solid var(--accent); padding: 16px; background: color-mix(in srgb, var(--accent) 7%, transparent); }

.command {
  display: flex;
  gap: 8px;
  align-items: center;
  border-top: 1px dashed var(--dark);
  padding-top: 12px;
  margin-top: 8px;
}
.command input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 5px; color: var(--text); }
.hidden { display: none !important; }

.scanlines, .vignette { position: fixed; inset: 0; pointer-events: none; z-index: 50; }
.scanlines {
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.012), rgba(255,255,255,.012) 1px, rgba(0,0,0,.08) 2px, rgba(0,0,0,.08) 4px);
  opacity: .62;
}
.vignette { box-shadow: inset 0 0 15vw rgba(0,0,0,.83); }

@keyframes flicker { 0%,100%{opacity:1} 49%{opacity:.988} 50%{opacity:.955} 51%{opacity:.99} }
.terminal-shell { animation: flicker 8s infinite; }

@media (max-width: 720px) {
  .terminal-shell { width: 100%; min-height: 100vh; margin: 0; border-left: 0; border-right: 0; }
  .terminal-header { flex-direction: column; }
  .header-right { text-align: left; }
  .tile-grid, .permission-grid { grid-template-columns: 1fr; }
  .list-row { grid-template-columns: 1fr; gap: 3px; }
}