* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: #fdf6f0;
  color: #4a3b2a;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 92%;
  max-width: 640px;
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  text-align: center;
}

h1 { margin-bottom: 0.25rem; font-size: 1.75rem; }
.subtitle { color: #8c7b6c; margin-bottom: 2rem; }

.drop-zone {
  border: 2px dashed #d4b483;
  border-radius: 0.75rem;
  padding: 2.5rem 1rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.drop-zone.dragover {
  background: #fff3e0;
  border-color: #a67c52;
}
.drop-zone input { display: none; }
.link { color: #a67c52; text-decoration: underline; font-weight: 600; }

.file-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
  text-align: left;
  max-height: 220px;
  overflow-y: auto;
}
.file-list li {
  background: #faf8f5;
  padding: 0.6rem 0.9rem;
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
}

.btn {
  background: #a67c52;
  color: #fff;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 0.5rem;
  font-size: 1.05rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover:not(:disabled) { background: #8f6844; }
.btn:disabled { background: #d4b483; cursor: not-allowed; }

.status { margin-top: 1.25rem; min-height: 1.5rem; font-weight: 500; }
.progress { color: #5a7d5a; }
.error { color: #b54a4a; }