:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: #f4f6f8;
  color: #1f2933;
}

body {
  margin: 0;
}

.shell {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
}

.panel {
  width: min(860px, 100%);
  background: #ffffff;
  border: 1px solid #d9e2ec;
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

p {
  margin: 0 0 24px;
  color: #52606d;
}

form {
  display: grid;
  gap: 16px;
}

.dropzone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  border: 2px dashed #9fb3c8;
  border-radius: 8px;
  background: #f8fafc;
  cursor: pointer;
  text-align: left;
  padding: 10px 14px;
}

.dropzone input {
  max-width: 320px;
}

.dropzone span {
  display: block;
  font-weight: 700;
  font-size: 15px;
}

.dropzone small {
  color: #627d98;
  display: block;
  margin-top: 2px;
}

button {
  justify-self: start;
  border: 0;
  border-radius: 6px;
  background: #146c94;
  color: white;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
}

button.tab-button {
  background: #e6eef5;
  color: #1f2933;
}

button.tab-button.active {
  background: #146c94;
  color: #ffffff;
}

button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.result {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #d9e2ec;
}

.file-list {
  border: 1px solid #d9e2ec;
  border-radius: 6px;
  background: #fbfdff;
  padding: 14px 16px;
}

.file-list h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.file-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 180px;
  overflow: auto;
}

.file-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
  border-top: 1px solid #edf2f7;
}

.file-list li:first-child {
  border-top: 0;
}

.file-list span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list small {
  flex: 0 0 auto;
  color: #627d98;
}

.hidden {
  display: none;
}

dl {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 16px;
  margin: 0 0 20px;
}

dt {
  color: #627d98;
}

dd {
  margin: 0;
  font-weight: 600;
}

.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.downloads a {
  color: #0b5cad;
  font-weight: 700;
}

.error {
  color: #b42318;
}

.tabs {
  margin-top: 22px;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.table-wrap {
  max-height: 520px;
  overflow: auto;
  border: 1px solid #d9e2ec;
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: #ffffff;
}

th,
td {
  border-bottom: 1px solid #e6eef5;
  border-right: 1px solid #e6eef5;
  padding: 7px 9px;
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f0f4f8;
  font-weight: 700;
}

tr:nth-child(even) td {
  background: #fbfdff;
}