:root {
  --bg: #12140f;
  --bg2: #1a1e16;
  --ink: #e8e4d4;
  --muted: #9a957f;
  --line: #2e3428;
  --warn: #c45c26;
  --warn-bg: #2a1a12;
  --accent: #7fa35a;
  --accent-ink: #0e120a;
  --err: #e07070;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, #24301c 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #2a2218 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
}

body {
  padding: 2.5rem 1.25rem 4rem;
}

main {
  max-width: 40rem;
  margin: 0 auto;
}

.brand {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.lede {
  color: var(--muted);
  margin: 0 0 1.75rem;
}

.warn {
  background: var(--warn-bg);
  border-left: 3px solid var(--warn);
  padding: 1rem 1.1rem;
  margin: 0 0 1.75rem;
}

.warn h2 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--warn);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.warn ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink);
}

.warn li + li {
  margin-top: 0.35rem;
}

.panel {
  background: color-mix(in srgb, var(--bg2) 88%, black);
  border: 1px solid var(--line);
  padding: 1.25rem;
}

.panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.panel p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

#drop {
  border: 1px dashed var(--line);
  background: #141710;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

#drop.drag,
#drop:hover {
  border-color: var(--accent);
  background: #181d12;
}

#drop strong {
  display: block;
  margin-bottom: 0.25rem;
}

#drop span {
  color: var(--muted);
  font-size: 0.9rem;
}

#file {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

button {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

#status {
  margin: 1rem 0 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  min-height: 1.25rem;
}

#status[data-kind="error"] {
  color: var(--err);
}

#downloads {
  margin-top: 1rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

footer code {
  font-family: var(--mono);
  font-size: 0.8rem;
}