:root {
  --bg: #050811;
  --panel: rgba(12, 19, 43, 0.95);
  --line: rgba(139, 170, 255, 0.28);
  --text: #eaf1ff;
  --cyan: #8ef6ff;
  --mint: #92ffd7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at 8% -10%, #4d2d99 0%, transparent 40%),
    radial-gradient(circle at 90% 110%, #0b4f66 0%, transparent 38%),
    var(--bg);
}

.cabinet {
  width: min(1060px, 100%);
  border-radius: 16px;
  border: 2px solid #4367b5;
  background: linear-gradient(180deg, rgba(8, 14, 38, 0.98), rgba(4, 9, 24, 0.98));
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.52), inset 0 0 0 1px rgba(121, 237, 255, 0.16);
  padding: 14px;
}

.kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #ffd98e;
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(142, 246, 255, 0.42);
}

.subtitle {
  margin: 8px 0 0;
  color: #bfd1fa;
}

.layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
  gap: 14px;
}

.controls,
.paper-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 12px;
}

.controls {
  display: grid;
  gap: 10px;
  align-content: start;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.86rem;
  color: #bdd0fa;
}

input,
select,
button {
  border-radius: 9px;
  border: 1px solid rgba(144, 175, 246, 0.42);
  background: rgba(18, 30, 65, 0.96);
  color: #edf3ff;
  font: inherit;
}

input,
select {
  padding: 9px 10px;
}

.actions {
  margin-top: 4px;
  display: grid;
  gap: 8px;
}

button {
  cursor: pointer;
  padding: 10px;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.07);
}

.primary {
  background: linear-gradient(180deg, #97ffd9, #4ce4bc);
  color: #08382a;
  border: 0;
}

.hint {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: #9fb7e8;
}

.paper-wrap {
  overflow: hidden;
}

.paper {
  margin: 0;
  min-height: 580px;
  width: 100%;
  overflow: auto;
  white-space: pre;
  line-height: 1.2;
  padding: 20px 18px 30px;
  color: #151515;
  font: 700 14px/1.22 "Courier New", "Liberation Mono", monospace;
  background:
    repeating-linear-gradient(
      to bottom,
      #f7f2da,
      #f7f2da 20px,
      #f2eccf 20px,
      #f2eccf 21px
    );
  border: 1px dashed rgba(0, 0, 0, 0.22);
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.paper::after {
  content: "";
  display: block;
  margin-top: 12px;
  border-top: 2px dashed rgba(0, 0, 0, 0.4);
}

@media (max-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .paper {
    min-height: 500px;
  }
}