:root {
  --ink: #1c1412;
  --muted: #6f625c;
  --paper: #f6f3ef;
  --rose: #8f3a45;
  --line: rgba(28, 20, 18, 0.12);
  --ok: #2c6b45;
  --err: #9b2e2e;
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  min-height: 100vh;
  background: linear-gradient(160deg, #efeae4 0%, #e8e2db 100%);
  padding: 32px 16px 48px;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
}

.head {
  text-align: center;
  margin-bottom: 24px;
}

.head h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: 0.06em;
}

.head p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px 24px;
}

label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}

.req { color: var(--rose); }

input[type=text],
input[type=email],
input[type=number],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  margin-bottom: 16px;
  background: #fff;
}

input.invalid,
textarea.invalid { border-color: var(--err); }

textarea { resize: vertical; min-height: 96px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
}

.gender-row {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
}

.gender-opt {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
}

.section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.section:last-of-type { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }

.section h2 {
  font-size: 16px;
  margin-bottom: 14px;
}

.photo-slots { display: flex; gap: 16px; flex-wrap: wrap; }

.photo-slot { width: 140px; }

.photo-preview {
  width: 140px;
  height: 176px;
  border: 1px dashed rgba(28, 20, 18, 0.22);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
  cursor: pointer;
  overflow: hidden;
}

.photo-preview img { width: 100%; height: 100%; object-fit: cover; }

.photo-preview .plus { font-size: 28px; color: #c4bbb4; }

.slot-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.btn {
  border: none;
  border-radius: 4px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
  font-size: 13px;
}

.btn-small { padding: 6px 10px; font-size: 12px; }

.btn-primary {
  background: var(--rose);
  color: #fff;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  margin-top: 8px;
}

.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-danger { background: #f6e4e2; color: var(--err); }

.upload-status { font-size: 12px; min-height: 16px; margin-top: 4px; }

.upload-status.ok { color: var(--ok); }

.upload-status.err { color: var(--err); }

.msg {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 14px;
  display: none;
}

.msg.show { display: block; }

.msg.ok { background: #e3efe7; color: var(--ok); }

.msg.err { background: #f6e4e2; color: var(--err); }

.code-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.code-row input {
  flex: 1;
  margin-bottom: 0;
}

.code-row .btn {
  flex-shrink: 0;
  height: 40px;
  white-space: nowrap;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin: -8px 0 10px;
}

.wechat-slot { width: 180px; margin-bottom: 16px; }

.photo-preview-wide {
  width: 180px;
  height: 180px;
}

.photo-slots.invalid .photo-preview,
.wechat-slot.invalid .photo-preview { border-color: var(--err); }

#toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(12px);
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 99;
}

#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

#toast.ok { background: #e3efe7; color: var(--ok); }

#toast.err { background: #f6e4e2; color: var(--err); }

.hidden { display: none !important; }