:root {
  --bg: #f4efe6;
  --ink: #1f1a14;
  --muted: #6b6258;
  --card: rgba(255, 252, 247, 0.86);
  --line: #e4d8c6;
  --accent: #c45c26;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, #ffe7c8 0, transparent 28%),
    radial-gradient(circle at top right, #d7ece4 0, transparent 24%),
    var(--bg);
  color: var(--ink);
}

.wrap {
  width: min(880px, calc(100% - 32px));
  margin: 48px auto 72px;
}

.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 12px;
  margin: 0 0 8px;
}

h1, h2 { margin: 0 0 10px; }
.lead, .hint, .empty { color: var(--muted); }

.card, .dropzone, .notice {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 18px 50px rgba(80, 50, 20, 0.08);
}

.notice, .success {
  padding: 18px 20px;
  margin: 20px 0;
}

.dropzone {
  margin: 28px 0;
  padding: 28px;
  display: grid;
  gap: 16px;
  text-align: center;
}

.dropzone.is-over {
  border-color: var(--accent);
  background: #fff7ef;
}

.dropzone input {
  display: none;
}

.dropzone label {
  display: grid;
  gap: 6px;
  padding: 42px 20px;
  border: 1.5px dashed #d8c4aa;
  border-radius: 18px;
  cursor: pointer;
}

button, a {
  appearance: none;
  border: 0;
  background: var(--ink);
  color: white;
  border-radius: 999px;
  padding: 10px 16px;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}

button.danger {
  background: #9a2f1d;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  padding: 22px 22px 0;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 8px 10px 14px;
}

.file-list li, .link-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 12px;
  border-top: 1px solid var(--line);
}

.file-list strong, .link-row strong { display: block; }
.file-list span { color: var(--muted); font-size: 13px; }
.actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.actions form { margin: 0; }
.link-row input {
  width: min(420px, 100%);
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.empty { padding: 0 22px 22px; }