:root {
  --bg: #fff8f3;
  --panel: #ffffff;
  --text: #2b2420;
  --muted: #8a7f78;
  --line: #eee3da;
  --accent: #ff7a59;
  --accent-dark: #e85d3c;
  --chip: #fff1ea;
  --radius: 14px;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

.top {
  text-align: center;
  padding: 28px 16px 8px;
}
.top h1 { margin: 0; font-size: 28px; letter-spacing: 2px; }
.top p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

.preview-col { position: sticky; top: 16px; }

.card-wrap {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 6px 24px rgba(120, 70, 40, .08);
}
#preview {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
  cursor: grab;
}
#preview:active { cursor: grabbing; }

.photo-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 10px 4px 0;
  font-size: 13px;
  color: var(--muted);
}
.zoom { display: flex; align-items: center; gap: 8px; }
.zoom input { width: 140px; accent-color: var(--accent); }

.tpl-title { margin: 18px 4px 8px; font-weight: 600; font-size: 15px; }
.tpls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.tpl {
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 4px;
  background: var(--panel);
  cursor: pointer;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.tpl canvas { width: 100%; display: block; border-radius: 6px; }
.tpl span { display: block; margin-top: 4px; }
.tpl.active { border-color: var(--accent); color: var(--text); }

.form-col {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 6px 24px rgba(120, 70, 40, .08);
}

.upload {
  display: block;
  text-align: center;
  padding: 18px;
  border: 2px dashed #ffc2ad;
  border-radius: 12px;
  background: var(--chip);
  color: var(--accent-dark);
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
.grid .field { margin-bottom: 0; min-width: 0; }
.field input, .field select, .redeem input {
  display: block;
  width: 100%;
  margin-top: 6px;
  height: 46px;
  padding: 0 12px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  background: #fffdfb;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
}
.field input:focus, .field select:focus, .redeem input:focus { border-color: var(--accent); }
/* iOS Safari 的日期框自带最小宽度和居中，会撑出格子 */
.field input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
  min-width: 0;
  text-align: left;
}
.field input[type="date"]::-webkit-date-and-time-value { text-align: left; }
.grid + .field { margin-top: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
}
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.custom-tag { display: flex; gap: 8px; margin-top: 8px; }
.custom-tag input { margin-top: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 10px;
  border: 0;
  background: var(--text);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); }
.btn.primary:hover { background: var(--accent-dark); }
.btn.ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn.small { padding: 8px 14px; font-size: 14px; }

.actions { margin-top: 18px; display: grid; gap: 14px; }
.actions > .btn { width: 100%; }

.redeem {
  border-radius: 12px;
  background: var(--chip);
  padding: 14px;
}
.redeem-title { font-weight: 700; margin-bottom: 10px; }
.redeem-row { display: flex; gap: 8px; }
.redeem-row input { margin-top: 0; text-transform: uppercase; letter-spacing: 1px; }
.redeem .btn.primary { width: 100%; margin-top: 4px; }
.msg { margin: 8px 0 0; font-size: 13px; min-height: 1em; }
.msg.ok { color: #2f9e44; }
.msg.err { color: #e03131; }
.buy-hint { margin: 8px 0 0; font-size: 12px; color: var(--muted); }

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 12px 16px 32px;
}
.foot p { margin: 4px 0; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 12, 8, .72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 10;
}
.modal[hidden] { display: none; }
.modal-box {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 16px;
  width: min(720px, 100%);
  max-height: 100%;
  overflow: auto;
  text-align: center;
}
.modal-tip { margin: 0 0 12px; font-size: 14px; color: var(--muted); }
.modal-box img { width: 100%; display: block; border-radius: 8px; }
.modal-actions { display: flex; gap: 10px; justify-content: center; margin-top: 14px; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; gap: 16px; }
  .preview-col { position: static; }
  .tpls { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .form-col { padding: 16px; }
}

.wx-tip {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #fff3bf;
  color: #8a5a00;
  font-size: 13px;
  text-align: center;
  padding: 10px 16px;
}
.wx-tip[hidden] { display: none; }