:root {
  --surface: #FFFFFF;
  --neutral: #F7F7F8;
  --ink: #101114;
  --muted: #5D626D;
  --line: #D9DDE5;
  --accent: #002FA7;
  --accent-dark: #001E6E;
  --pass: #0A7F3F;
  --warn: #A05A00;
  --fail: #B00020;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--neutral);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.console-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 24px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--ink);
}

.brand {
  color: var(--accent);
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}

.console-header p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.button,
.tab {
  min-height: 42px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: #FFFFFF;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button {
  padding: 0 20px;
  background: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.button:hover,
.button:focus {
  background: var(--accent-dark);
}

.console-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.05fr);
  gap: 20px;
  width: min(1400px, calc(100% - 32px));
  margin: 20px auto;
}

.input-panel,
.output-panel {
  background: #FFFFFF;
  border: 1px solid var(--ink);
  border-radius: 6px;
}

.input-panel {
  padding: 20px;
}

.panel-title {
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1;
  letter-spacing: 0;
}

.panel-title p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

label {
  display: block;
  margin-bottom: 18px;
}

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

textarea {
  width: 100%;
  min-height: 270px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.55;
}

textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--ink);
}

.status-strip div {
  padding: 18px;
  border-right: 1px solid var(--ink);
}

.status-strip div:last-child {
  border-right: 0;
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.status-strip strong {
  display: block;
  margin-top: 4px;
  color: var(--accent);
  font-size: 30px;
  line-height: 1;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--ink);
}

.tab {
  border: 0;
  border-right: 1px solid var(--ink);
  border-radius: 0;
}

.tab:last-child {
  border-right: 0;
}

.tab.active {
  background: var(--accent);
  color: #FFFFFF;
}

.output-code {
  display: none;
  min-height: 610px;
  max-height: calc(100vh - 250px);
  margin: 0;
  overflow: auto;
  padding: 18px;
  background: var(--neutral);
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.6;
}

.output-code.active {
  display: block;
}

@media (max-width: 980px) {
  .console-grid {
    grid-template-columns: 1fr;
  }

  .status-strip,
  .tabs {
    grid-template-columns: 1fr;
  }

  .status-strip div,
  .tab {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .status-strip div:last-child,
  .tab:last-child {
    border-bottom: 0;
  }
}