:root {
  color-scheme: light;
  --bg: #fff7fb;
  --card: #ffffff;
  --text: #3b1c2f;
  --accent: #d63384;
  --border: #f1c1db;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Verdana", sans-serif;
  background: radial-gradient(circle at top, #ffe9f3, var(--bg));
  color: var(--text);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 0.3rem;
}

.subtle {
  font-size: 0.9rem;
  opacity: 0.75;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 14px 30px rgba(214, 51, 132, 0.12);
}

.field {
  display: grid;
  gap: 0.5rem;
  font-weight: 600;
}

.field select {
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff7fb;
  font-size: 1rem;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 1.4rem;
  text-align: center;
  background: #fff0f8;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.dropzone.is-dragover {
  background: #ffe1ee;
  border-color: var(--accent);
}

.dropzone input {
  display: block;
  margin: 0.8rem auto 0;
}

.file-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.file-list li {
  background: #fff7fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  font-size: 0.95rem;
}

.muted {
  opacity: 0.7;
  font-size: 0.85rem;
}

button,
.button {
  border: none;
  background: var(--accent);
  color: white;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.button.ghost {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.alert {
  margin: 1.2rem 0;
  padding: 1rem;
  border-radius: 12px;
  background: #ffe1ee;
  border: 1px solid var(--border);
}

.tips {
  margin-top: 2rem;
}

.tips ul {
  padding-left: 1.2rem;
}

.result {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 14px 30px rgba(214, 51, 132, 0.12);
}

.result img {
  max-width: 100%;
  height: auto;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.batch-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}