/* Projected on a screen during a live demo: large type, hard contrast,
   no external font or CDN — the cluster may have no egress. */

:root {
  --bg: #0b0f14;
  --panel: #151c25;
  --panel-edge: #2b3644;
  --ink: #f2f6fa;
  --ink-dim: #93a3b5;
  --on: #16c47f;
  --on-ink: #04120b;
  --off: #3a4553;
  --deny: #ff4d4d;
  --accent: #4aa8ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 4rem;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 20px;
  line-height: 1.4;
}

header {
  padding: 1.5rem 2.5rem 1rem;
  border-bottom: 3px solid var(--panel-edge);
}

h1 {
  margin: 0;
  font-size: 2.6rem;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0.35rem 0 0;
  color: var(--ink-dim);
  font-size: 1.05rem;
}

main {
  padding: 2rem 2.5rem;
  max-width: 1500px;
  margin: 0 auto;
}

/* ---- effective state banner ---- */

.effective {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.pill {
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
  border: 3px solid var(--off);
  background: var(--panel);
}

.pill.on { border-color: var(--on); background: var(--on); color: var(--on-ink); }
.pill.deny-on { border-color: var(--deny); background: var(--deny); color: #16060a; }

.pill .label {
  display: block;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  opacity: 0.75;
}

.pill .value {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-top: 0.35rem;
}

/* ---- switch cards ---- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--panel);
  border: 3px solid var(--panel-edge);
  border-radius: 16px;
  padding: 1.6rem 1.8rem 1.8rem;
}

.card.active { border-color: var(--on); }
.card.active-deny { border-color: var(--deny); }

.card h2 {
  margin: 0 0 0.2rem;
  font-size: 1.6rem;
}

.card .switch-no {
  color: var(--ink-dim);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.card .effect {
  color: var(--ink-dim);
  font-size: 0.95rem;
  margin: 0.5rem 0 1.2rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---- toggle ---- */

.toggle-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.state-word {
  font-size: 2rem;
  font-weight: 800;
  min-width: 4.6rem;
}

.state-word.on { color: var(--on); }
.state-word.off { color: var(--ink-dim); }

button, .btn {
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  border-radius: 10px;
  border: 3px solid transparent;
  padding: 0.7rem 1.4rem;
}

button.primary { background: var(--accent); color: #04121f; }
button.turn-on { background: var(--on); color: var(--on-ink); font-size: 1.3rem; padding: 0.8rem 2rem; }
button.turn-off { background: transparent; color: var(--ink); border-color: var(--off); font-size: 1.3rem; padding: 0.8rem 2rem; }
button.remove { background: transparent; color: var(--deny); border-color: var(--deny); padding: 0.35rem 0.9rem; font-size: 0.95rem; }
button.reset { background: transparent; color: var(--ink-dim); border-color: var(--panel-edge); }

button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- inputs ---- */

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

input[type="text"] {
  font: inherit;
  font-size: 1.15rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 3px solid var(--panel-edge);
  background: #0b1119;
  color: var(--ink);
  min-width: 15rem;
}

input::placeholder { color: #5d6c7d; }

/* ---- lists ---- */

ul.entries {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

ul.entries li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #0b1119;
  border: 2px solid var(--panel-edge);
  border-radius: 10px;
  padding: 0.6rem 0.7rem 0.6rem 1.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.15rem;
}

.empty {
  margin: 1.3rem 0 0;
  color: var(--ink-dim);
  font-style: italic;
}

/* ---- footer ---- */

footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 3px solid var(--panel-edge);
  color: var(--ink-dim);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  align-items: center;
  justify-content: space-between;
}

footer a { color: var(--accent); }

.warn {
  background: #4a2c05;
  border: 3px solid #b8770a;
  color: #ffd591;
  border-radius: 12px;
  padding: 0.9rem 1.3rem;
  margin-bottom: 1.8rem;
  font-size: 1.05rem;
}