/* 发票模板转换 —— 本地工具风格，浅色主题 */
:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e3e6ea;
  --text: #1f2329;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --green: #16a34a;
  --yellow: #d97706;
  --red: #dc2626;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

/* ---- 顶栏 ---- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 28px; background: var(--card); border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 20px; }
.topbar .sub { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

/* ---- 布局 ---- */
.layout {
  display: grid; grid-template-columns: 1fr 360px; gap: 18px;
  padding: 18px 28px; max-width: 1280px; margin: 0 auto;
}
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.step-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: 12px;
}

/* ---- 表单 ---- */
.field { margin-bottom: 12px; }
.field-label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.req { color: var(--red); margin-left: 4px; font-size: 11px; }
input[type="text"], input[type="password"], textarea, select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 6px; font: inherit; background: #fff; color: var(--text);
}
input:focus, textarea:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }
.flag-row { display: flex; gap: 12px; flex-wrap: wrap; }
.flag-row label { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--muted); }
.flag-row select { width: 70px; padding: 5px 6px; }
textarea { resize: vertical; }
.checkbox { display: flex; align-items: center; gap: 6px; margin: 10px 0; cursor: pointer; }

.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .upload-grid { grid-template-columns: 1fr; } }

.dropzone {
  border: 1.5px dashed var(--border); border-radius: var(--radius);
  padding: 18px; text-align: center; cursor: pointer; color: var(--muted);
  position: relative; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--primary); background: #eff6ff; }
.dropzone p { margin: 0; font-size: 13px; }
.dropzone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}

.file-list { list-style: none; margin: 8px 0 0; padding: 0; }
.file-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 8px; border-bottom: 1px dashed var(--border); font-size: 12px;
}
.file-list .rm { color: var(--red); cursor: pointer; border: none; background: none; }

.param-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .param-grid { grid-template-columns: 1fr; } }

.usage-row { display: flex; gap: 8px; margin-bottom: 6px; }
.usage-row input { flex: 1; }
.usage-row .rm { flex: 0 0 auto; }

.locked-rules { margin-top: 12px; color: var(--muted); font-size: 12px; }
.locked-rules summary { cursor: pointer; }
.locked-rules ul { margin: 8px 0 0; padding-left: 18px; }

/* ---- 按钮 ---- */
.btn {
  padding: 8px 16px; border-radius: 6px; border: 1px solid transparent;
  font: inherit; cursor: pointer; transition: background .15s;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover:not(:disabled) { background: #eff6ff; }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: #f3f4f6; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

.action-bar { display: flex; align-items: center; gap: 12px; }
.hint { color: var(--muted); font-size: 12px; }

/* ---- 表格 ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { background: #f9fafb; color: var(--muted); font-weight: 600; white-space: nowrap; }
td a { color: var(--primary); text-decoration: none; }
td a:hover { text-decoration: underline; }

/* ---- 状态 ---- */
.pill {
  padding: 3px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap;
}
.pill-green { background: #dcfce7; color: var(--green); }
.pill-yellow { background: #fef3c7; color: var(--yellow); }
.pill-red { background: #fee2e2; color: var(--red); }
.pill-gray { background: #e5e7eb; color: var(--muted); }

/* ---- 错误横幅 / toast ---- */
.error-banner {
  margin: 12px 28px 0; padding: 10px 14px; border-radius: 6px;
  background: #fee2e2; color: var(--red); font-size: 13px;
}
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1f2329; color: #fff; padding: 10px 18px; border-radius: 8px;
  font-size: 13px; z-index: 99; box-shadow: 0 4px 16px rgba(0,0,0,.2);
}

/* ---- AI 侧栏 ---- */
.ai-card { position: sticky; top: 18px; display: flex; flex-direction: column; }
.ai-model { font-size: 11px; color: var(--muted); font-weight: normal; }
.quick-btns { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.chat-log {
  flex: 1; min-height: 260px; max-height: 460px; overflow-y: auto;
  background: #f9fafb; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; margin-bottom: 10px;
}
.msg { margin-bottom: 10px; font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.msg-user { text-align: right; }
.msg-user span { background: #dbeafe; padding: 6px 10px; border-radius: 10px; display: inline-block; text-align: left; }
.msg-ai span { background: #fff; border: 1px solid var(--border); padding: 6px 10px; border-radius: 10px; display: inline-block; }
.msg-err span { background: #fee2e2; color: var(--red); padding: 6px 10px; border-radius: 10px; display: inline-block; }
.chat-input { display: flex; gap: 8px; }
.chat-input textarea { flex: 1; }

/* ---- 弹窗 ---- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-mask[hidden] { display: none; }
.modal {
  background: #fff; border-radius: var(--radius); padding: 22px 24px;
  width: 420px; max-width: 92vw; box-shadow: 0 12px 40px rgba(0,0,0,.18);
}
.modal h2 { margin: 0 0 14px; font-size: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }

/* ---- 加载 ---- */
.spinner {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px;
  border: 2px solid rgba(255,255,255,.4); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; margin-right: 6px;
}
.spinner-dark { border-color: rgba(0,0,0,.15); border-top-color: var(--primary); }
@keyframes spin { to { transform: rotate(360deg); } }