:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #172033;
  --muted: #5b667a;
  --line: #d9dee8;
  --accent: #3157d5;
  --accent-dark: #2444ad;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Open Sans", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

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

button:disabled,
.button-link.is-disabled {
  border-color: var(--line);
  background: #eef1f6;
  color: var(--muted);
  cursor: not-allowed;
}

button:focus-visible,
.button-link:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(49, 87, 213, 0.28);
  outline-offset: 2px;
}

.page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.intro,
.generator,
.result {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 20px 50px rgba(23, 32, 51, 0.06);
}

.intro {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 28px;
}

.logo {
  flex: 0 0 auto;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1;
}

.intro p {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
}

.generator,
.result {
  margin-top: 18px;
  padding: 28px;
}

label,
.field span {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

textarea,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
}

textarea {
  min-height: 260px;
  padding: 14px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
}

input {
  min-height: 44px;
  padding: 0 12px;
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-top: 18px;
}

.field {
  margin: 0;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.result-header h2 {
  margin-bottom: 0;
}

.actions {
  display: flex;
  gap: 10px;
}

.status {
  margin: 16px 0;
  color: var(--muted);
}

.status.is-error {
  color: var(--danger);
  font-weight: 700;
}

pre {
  min-height: 180px;
  max-height: 420px;
  margin: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101828;
  color: #e9edf7;
}

code {
  display: block;
  padding: 18px;
  white-space: pre;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

@media (max-width: 680px) {
  .intro,
  .result-header,
  .controls {
    grid-template-columns: 1fr;
  }

  .intro,
  .result-header {
    display: grid;
  }

  .actions {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}