:root {
  color-scheme: light;
  --ink: #151713;
  --muted: #686b63;
  --paper: #f4f1e9;
  --surface: rgba(255, 255, 252, 0.74);
  --line: rgba(21, 23, 19, 0.18);
  --accent: #e8502e;
  --accent-dark: #bd3519;
  --focus: rgba(232, 80, 46, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 12%, rgba(232, 80, 46, 0.12), transparent 29rem),
    radial-gradient(circle at 86% 82%, rgba(31, 75, 60, 0.13), transparent 32rem),
    var(--paper);
  font-family: "Manrope", system-ui, sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(21, 23, 19, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 23, 19, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

main {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 20px;
}

form {
  width: min(100%, 760px);
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(43, 38, 27, 0.13);
  backdrop-filter: blur(22px);
}

h1 {
  margin: 0 0 26px;
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

textarea {
  display: block;
  width: 100%;
  min-height: 144px;
  resize: vertical;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  outline: none;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  font: 500 0.95rem/1.7 "DM Mono", monospace;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

textarea::placeholder {
  color: #96988f;
}

textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 5px var(--focus);
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 142px;
  margin-top: 18px;
  padding: 15px 24px;
  border: 0;
  border-radius: 999px;
  color: #fffaf2;
  background: var(--ink);
  cursor: pointer;
  font: 700 0.96rem/1 "Manrope", sans-serif;
  transition: transform 150ms ease, background 150ms ease, opacity 150ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-2px);
  background: var(--accent-dark);
}

button:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.34;
}

.button-indicator {
  display: none;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255, 255, 255, 0.38);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

button[data-loading="true"] .button-indicator {
  display: block;
}

#status {
  min-height: 1.5em;
  margin: 18px 2px 0;
  color: var(--muted);
  font: 500 0.8rem/1.5 "DM Mono", monospace;
}

#status[data-state="error"] {
  color: #a52d18;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 560px) {
  form {
    padding: 28px 22px;
    border-radius: 24px;
  }

  button {
    width: 100%;
  }
}

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