:root {
  color-scheme: light dark;
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: #11161f;
  color: #e8edf5;
  --accent: #2e9fff;
  --accent-muted: rgba(46, 159, 255, 0.3);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --shadow: rgba(0, 0, 0, 0.4);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header,
.page-footer {
  padding: 2.5rem clamp(1.5rem, 2vw, 3rem);
  background: linear-gradient(135deg, rgba(46, 159, 255, 0.2), transparent);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.08);
}

.page-header h1 {
  margin-top: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.page-header p,
.page-footer p {
  max-width: 60ch;
  margin-bottom: 0;
}

.content {
  flex: 1;
  padding: 1.5rem clamp(1.5rem, 2vw, 3rem) 3rem;
  display: grid;
  gap: 2rem;
}

@media (min-width: 960px) {
  .content {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: min-content;
  }

  .controls {
    grid-column: 1 / span 4;
  }

  .status {
    grid-column: 1 / span 4;
  }

  .pattern {
    grid-column: 5 / span 8;
  }

  .log {
    grid-column: 1 / span 12;
  }
}

section {
  background-color: var(--surface);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 18px 40px -24px var(--shadow), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

section h2 {
  margin-top: 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: rgba(232, 237, 245, 0.75);
}

.pattern h3 {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(232, 237, 245, 0.65);
}

button {
  background-color: var(--accent);
  border: none;
  color: #021321;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
  box-shadow: 0 12px 24px -12px rgba(46, 159, 255, 0.8);
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px -16px rgba(46, 159, 255, 0.9);
}

button:active {
  transform: translateY(0);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
  font-size: 0.95rem;
}

.toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 1.1rem;
  height: 1.1rem;
}

.hint {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(232, 237, 245, 0.6);
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-list li {
  background-color: var(--surface-strong);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.9rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.pill-key {
  font-weight: 600;
}

.pill-meta {
  font-size: 0.75rem;
  opacity: 0.7;
}

.pattern-sequence {
  min-height: 3rem;
  padding: 1rem;
  border-radius: 12px;
  background: var(--surface-strong);
  font-family: "JetBrains Mono", "Fira Code", "Source Code Pro", monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.table-wrapper {
  max-height: 360px;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background-color: rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

th,
td {
  padding: 0.6rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  font-family: "JetBrains Mono", monospace;
}

tr:nth-child(even) td {
  background-color: rgba(255, 255, 255, 0.02);
}

.log td:nth-child(6) {
  text-transform: uppercase;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background-color: rgba(46, 159, 255, 0.2);
  color: #a9d8ff;
  font-size: 0.75rem;
  font-weight: 600;
}

@media (max-width: 600px) {
  section {
    padding: 1.1rem;
  }

  th,
  td {
    font-size: 0.75rem;
  }

  .toggle {
    margin-left: 0.5rem;
    font-size: 0.85rem;
  }
}