:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1f2937;
  --line: #d1d5db;
  --primary: #146356;
  --ai-bg: #f3f8ff;
  --ai-line: #9fc5ff;
  --reason-bg: #fff8ef;
  --reason-line: #ffd7a6;
  --set-bg: #f3fbf8;
  --set-line: #9bd7c4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, #f7fbff 0%, var(--bg) 100%);
}

.container {
  width: min(720px, 92vw);
  margin: 24px auto;
}

h1 {
  margin-bottom: 8px;
}

.desc {
  margin-top: 0;
  color: #4b5563;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  display: grid;
  gap: 12px;
  box-shadow: 0 8px 20px rgba(17, 24, 39, 0.04);
}

.nested-card {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  background: #fafcfe;
}

#ai-assist-panel {
  background: var(--ai-bg);
  border: 1px solid var(--ai-line);
  border-left: 5px solid #3b82f6;
}

#dynamic-reasons {
  background: var(--reason-bg);
  border: 1px solid var(--reason-line);
  border-left: 5px solid #f59e0b;
}

#set-list .set-card {
  background: var(--set-bg);
  border: 1px solid var(--set-line);
  border-left: 5px solid #10b981;
}

.set-card {
  border: 1px solid #d8e2ee;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  display: grid;
  gap: 10px;
  background: #fff;
  counter-reset: material-index;
}

.material-block {
  border: 1px solid #cfe1ee;
  border-radius: 8px;
  padding: 10px;
  display: grid;
  gap: 8px;
  background: #ffffff;
  position: relative;
  padding-top: 12px;
}

.material-block > label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -2px -2px 4px -2px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #d8e7f3;
  background: #f5f9fd;
  font-weight: 700;
  color: #0f2940;
}

.material-block > label::before {
  counter-increment: material-index;
  content: counter(material-index);
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  background: #3b82f6;
  flex: 0 0 22px;
}

.material-block[data-required="1"] {
  border-left: 4px solid #0ea5a1;
  box-shadow: inset 0 0 0 1px rgba(14, 165, 161, 0.08);
}

.material-block[data-required="0"] {
  border-left: 4px solid #94a3b8;
}

#set-list .material-block:nth-of-type(even) {
  background: #f9fcff;
}

#set-list .material-block:nth-of-type(3n + 1) {
  border-left-color: #0ea5a1;
}

#set-list .material-block:nth-of-type(3n + 1) > label {
  background: #eefbf7;
  border-color: #bfe8d8;
}

#set-list .material-block:nth-of-type(3n + 1) > label::before {
  background: #0ea5a1;
}

#set-list .material-block:nth-of-type(3n + 2) {
  border-left-color: #3b82f6;
}

#set-list .material-block:nth-of-type(3n + 2) > label {
  background: #eff6ff;
  border-color: #c9dcff;
}

#set-list .material-block:nth-of-type(3n + 2) > label::before {
  background: #3b82f6;
}

#set-list .material-block:nth-of-type(3n + 3) {
  border-left-color: #f59e0b;
}

#set-list .material-block:nth-of-type(3n + 3) > label {
  background: #fff8eb;
  border-color: #ffe1b0;
}

#set-list .material-block:nth-of-type(3n + 3) > label::before {
  background: #f59e0b;
}

.file-input-list {
  display: grid;
  gap: 8px;
  padding-top: 6px;
  border-top: 1px dashed #dbe5ef;
}

.upload-row {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr auto;
  align-items: center;
}

#ai-pending-files .upload-row {
  background: #ffffff;
  border: 1px solid #dbe7ff;
  border-radius: 8px;
  padding: 8px 10px;
}

.ai-files-container {
  display: grid;
  gap: 8px;
  padding-top: 2px;
}

.ai-files-container:empty {
  display: none;
}

.ai-file-item {
  box-shadow: 0 1px 3px rgba(59, 130, 246, 0.18);
  transition: opacity 0.15s;
}

.ai-file-item.ai-file-drag-over {
  outline: 2px dashed #146356;
  outline-offset: 2px;
  background: #e6f7f3 !important;

.upload-row.upload-row-drag-over {
  outline: 2px dashed #146356;
  outline-offset: 2px;
  background: #e6f7f3;
}
}

.set-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.set-head h3 {
  margin: 0;
  font-size: 16px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.field-hint {
  margin: 0;
  font-size: 12px;
  color: #6b7280;
  line-height: 1.4;
  white-space: pre-line;
}

#ai-assist-panel .field-hint {
  color: #334155;
}

#dynamic-reasons .field-hint {
  color: #7c4a03;
}

input,
select,
textarea,
button {
  font: inherit;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
}

button,
a {
  cursor: pointer;
}

button {
  background: var(--primary);
  color: #fff;
  border: none;
}

.secondary {
  background: #f3f4f6;
  color: #111827;
  border: 1px solid #d1d5db;
}

.flash {
  background: #e8fff7;
  border: 1px solid #87d9bd;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 12px;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-bottom: 1px dashed #cbd5e1;
  padding-bottom: 8px;
}

.admin-entry {
  margin-top: 12px;
}

.batch-form {
  display: grid;
  gap: 12px;
}

.case-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 640px) {
  .container {
    width: 94vw;
  }

  li {
    align-items: flex-start;
    flex-direction: column;
  }
}