:root {
  --bg: #f6f3ed;
  --ink: #1f1f1f;
  --muted: #5c5c5c;
  --card: #fff;
  --accent: #1e6f5c;
  --border: #d9d2c6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Serif", "Georgia", serif;
  color: var(--ink);
  background: radial-gradient(circle at top, #faf7f2, var(--bg));
}

.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 32px 24px 12px;
}

.logo {
  width: 120px;
  height: auto;
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  padding: 16px 24px 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
}

.card.wide {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  font-size: 0.95rem;
}

label.inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

input[type="text"],
select,
input[type="file"] {
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 10px;
  font-family: "IBM Plex Sans", "Helvetica", sans-serif;
  font-size: 0.95rem;
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.95);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(40%);
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.muted {
  color: var(--muted);
}

.drop-zone {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #faf8f4;
  cursor: pointer;
}

.drop-zone input {
  width: 110px;
  height: 110px;
  opacity: 0;
  cursor: pointer;
}

.drop-zone.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(30, 111, 92, 0.15);
}

.file-name {
  margin-top: 6px;
  font-size: 0.9rem;
}

.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.option-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: #fffdf9;
}

.option-card.hidden {
  display: none;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
}

.flash-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.log {
  background: #121212;
  color: #cbd7cf;
  padding: 12px;
  border-radius: 12px;
  min-height: 120px;
  white-space: pre-wrap;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.85rem;
}

.progress-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin: 12px 0;
}

.progress-track {
  background: #e5dfd5;
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.progress-bar {
  background: var(--accent);
  height: 100%;
  width: 0%;
  transition: width 0.2s ease;
}

footer {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .hero {
    grid-template-columns: 1fr;
  }
}