:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e3e6ea;
  --text: #1f2329;
  --muted: #8a9099;
  --primary: #2f6fed;
  --primary-d: #1f57c9;
  --warn: #b54708;
  --warn-bg: #fff4e6;
  --danger: #c0392b;
  --ok: #1a8a4a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
.hidden { display: none !important; }

.topbar {
  padding: 18px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 20px; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.panel h2 { margin: 0 0 12px; font-size: 16px; }

/* 上传区 */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  transition: border-color .15s;
}
.dropzone.drag { border-color: var(--primary); background: #f0f5ff; }
.dropzone p { margin: 6px 0; }
.hint { color: var(--muted); font-size: 12px; }

.file-list { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; }
.file-chip {
  display: flex; align-items: center; gap: 8px;
  background: #f0f2f5; border-radius: 8px; padding: 6px 10px; font-size: 12px;
  max-width: 220px;
}
.file-chip img { width: 28px; height: 28px; object-fit: cover; border-radius: 4px; }
.file-chip .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-chip .del { cursor: pointer; color: var(--danger); margin-left: 4px; }
.file-chip.err { background: #fdecea; color: var(--danger); }

/* 功能面板 */
.func { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; }
.func > summary {
  cursor: pointer; padding: 10px 12px; font-weight: 600; user-select: none;
  background: #fafbfc; border-radius: 8px;
}
.func-body { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-inline { display: inline-flex; align-items: center; gap: 6px; }
.func input[type=text], .func input[type=number], .func select {
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
}
.func input[type=number] { width: 80px; }
.warn-soft {
  background: var(--warn-bg); color: var(--warn);
  border: 1px solid #ffd8a8; border-radius: 6px; padding: 8px 10px; font-size: 12px; margin: 0;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-d); }
.btn.primary:disabled, .btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.progress-wrap { flex: 1 1 200px; min-width: 160px; height: 10px; background: #eef0f3; border-radius: 6px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: var(--primary); transition: width .2s; }
.status { width: 100%; margin: 6px 0 0; color: var(--muted); font-size: 12px; }

/* 结果网格 */
.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.result-card { border: 1px solid var(--border); border-radius: 8px; padding: 8px; text-align: center; }
.result-card img { width: 100%; height: 120px; object-fit: contain; background: #f0f2f5; border-radius: 4px; }
.result-card .meta { font-size: 11px; color: var(--muted); margin-top: 4px; word-break: break-all; }
.result-card a { font-size: 12px; color: var(--primary); }

/* 微信提示条 */
.wechat-tip {
  background: #fffbe6; border-bottom: 1px solid #ffe58f; color: #614700;
  padding: 10px 24px; font-size: 13px;
}

/* 移动端引导 */
.mobile-gate {
  position: fixed; inset: 0; background: #fff; z-index: 999;
  display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center;
}
.mobile-gate-card { max-width: 320px; }
.mobile-gate-card h1 { font-size: 20px; }
.mobile-gate-card p { color: var(--muted); }

@media (max-width: 768px) {
  .app { padding: 12px; }
}

/* 账号区 */
.topbar-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.account-area { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mbadge { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.mbadge.member { background: #e6f4ea; color: var(--ok); border: 1px solid #b7e4c7; }
.mbadge.free { background: #eef0f3; color: var(--muted); border: 1px solid var(--border); }

/* 弹窗 */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 500;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  background: var(--panel); border-radius: 12px; width: 100%; max-width: 460px;
  max-height: 88vh; overflow: auto; box-shadow: 0 12px 40px rgba(0,0,0,.2);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border); font-weight: 600;
}
.modal-close { border: none; background: transparent; font-size: 18px; cursor: pointer; color: var(--muted); }
.modal-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.modal-field { display: flex; flex-direction: column; gap: 4px; }
.modal-field label { font-size: 13px; color: var(--muted); }
.modal-field input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.modal-err { color: var(--danger); font-size: 13px; margin: 0; min-height: 16px; }

/* 弹窗 Tab（密码登录 / 手机号登录） */
.modal-tabs { display: flex; gap: 8px; margin-bottom: 4px; }
.modal-tabs .tab {
  flex: 1; text-align: center; padding: 8px 0; cursor: pointer;
  border: 1px solid var(--border); border-radius: 8px; font-size: 13px; color: var(--muted);
  user-select: none;
}
.modal-tabs .tab.active { color: var(--primary); border-color: var(--primary); background: #f0f5ff; font-weight: 600; }

/* 操作区复选 */
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }

/* 结果区头部 */
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.result-head h2 { margin: 0; font-size: 16px; }
.result-head-actions { display: flex; align-items: center; gap: 8px; }
.result-head .count { font-size: 12px; color: var(--muted); }
.modal-steps { margin: 0; padding-left: 18px; font-size: 13px; color: var(--text); }
.modal-steps li { margin: 4px 0; }
.modal-steps b { color: var(--primary); }

/* 收款码 */
.qr-grid { display: flex; gap: 14px; flex-wrap: wrap; }
.qr-card { flex: 1 1 160px; border: 1px solid var(--border); border-radius: 10px; padding: 12px; text-align: center; }
.qr-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.qr-img { width: 100%; aspect-ratio: 1/1; background: #f0f2f5; border-radius: 8px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.qr-img img { width: 100%; height: 100%; object-fit: contain; }
.qr-missing { color: var(--muted); font-size: 12px; line-height: 1.5; padding: 8px; }
.qr-missing span { font-size: 11px; word-break: break-all; }