/* ============================================
   豆苗AI · 二维码生成器 局部样式
   依赖 /shared/doumiao.css 设计系统变量
   ============================================ */

.qr-app {
  max-width: var(--dm-max-w);
  margin: 0 auto;
  padding: 24px 20px 60px;
  font-family: var(--dm-font);
  color: var(--dm-text);
}

/* —— 头部简介 —— */
.qr-hero {
  text-align: center;
  padding: 28px 0 24px;
}
.qr-hero h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  background: var(--dm-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.qr-hero p {
  margin: 0;
  color: var(--dm-text-secondary);
  font-size: 14px;
}

/* —— 两栏布局 —— */
.qr-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 20px;
  align-items: start;
}

/* —— 类型 Tab —— */
.type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.type-tab {
  border: 1px solid var(--dm-border);
  background: var(--dm-bg);
  color: var(--dm-text-secondary);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-family: var(--dm-font);
  cursor: pointer;
  transition: all .2s;
}
.type-tab:hover {
  border-color: var(--dm-primary);
  color: var(--dm-primary-dark);
}
.type-tab.active {
  background: var(--dm-gradient);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: var(--dm-shadow-sm);
}

/* —— 表单面板 —— */
.form-panel {
  background: var(--dm-bg);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius-lg);
  padding: 20px;
  box-shadow: var(--dm-shadow-sm);
  min-height: 380px;
}
.form-group { display: none; }
.form-group.active { display: block; }

.form-label {
  display: block;
  margin: 12px 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dm-text);
}
.form-label:first-child { margin-top: 0; }
.form-label em {
  font-style: normal;
  font-weight: 400;
  color: var(--dm-text-muted);
  font-size: 12px;
}
.req { color: #dc2626; font-style: normal; }

.form-input {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  font-size: 14px;
  font-family: var(--dm-font);
  color: var(--dm-text);
  background: var(--dm-bg);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-input:focus {
  border-color: var(--dm-secondary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
}
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.form-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--dm-text-muted);
}
.form-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}

/* —— 微信上传 —— */
.wechat-upload-box {
  border: 2px dashed var(--dm-border);
  border-radius: var(--dm-radius-lg);
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.wechat-upload-box:hover {
  border-color: var(--dm-primary);
  background: var(--dm-bg-soft);
}
.wechat-upload-icon { font-size: 32px; margin-bottom: 8px; }
.wechat-upload-text { font-size: 14px; color: var(--dm-text-secondary); }
.wechat-upload-text span { font-size: 12px; color: var(--dm-text-muted); }
.wechat-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius-lg);
  background: var(--dm-bg-soft);
}
.wechat-preview img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: var(--dm-radius-sm);
  background: #fff;
  padding: 4px;
}

/* —— 右栏面板 —— */
.qr-right { display: flex; flex-direction: column; gap: 16px; }
.panel {
  background: var(--dm-bg);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius-lg);
  padding: 18px;
  box-shadow: var(--dm-shadow-sm);
}
.panel-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.panel-sub { font-size: 12px; font-weight: 400; color: var(--dm-text-muted); }

/* —— 预览区 —— */
.preview-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  background: repeating-conic-gradient(var(--dm-bg-muted) 0% 25%, var(--dm-bg) 0% 50%) 50% / 20px 20px;
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  padding: 16px;
  min-height: 320px;
  position: relative;
}
#qrCanvas {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: var(--dm-shadow);
  background: #fff;
}
.preview-empty {
  position: absolute;
  color: var(--dm-text-muted);
  font-size: 14px;
}

/* —— 样式面板 —— */
.style-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.style-item { min-width: 0; }
.style-label {
  display: block;
  font-size: 12px;
  color: var(--dm-text-secondary);
  margin-bottom: 6px;
}
.color-row { display: flex; align-items: center; gap: 8px; }
.color-row input[type="color"] {
  width: 36px;
  height: 30px;
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius-sm);
  padding: 2px;
  background: var(--dm-bg);
  cursor: pointer;
  flex-shrink: 0;
}
.swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  transition: transform .15s;
}
.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: var(--dm-secondary); }

.seg {
  display: inline-flex;
  background: var(--dm-bg-muted);
  border-radius: var(--dm-radius);
  padding: 3px;
  gap: 2px;
}
.seg-btn {
  border: none;
  background: transparent;
  padding: 5px 12px;
  border-radius: calc(var(--dm-radius) - 3px);
  font-size: 12px;
  font-family: var(--dm-font);
  color: var(--dm-text-secondary);
  cursor: pointer;
  transition: all .15s;
}
.seg-btn.active {
  background: var(--dm-bg);
  color: var(--dm-text);
  font-weight: 600;
  box-shadow: var(--dm-shadow-sm);
}
.style-tip {
  margin-left: 8px;
  font-size: 11px;
  color: var(--dm-text-muted);
}
.style-select { width: auto; padding: 6px 10px; font-size: 13px; }
.logo-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.btn-mini {
  border: 1px solid var(--dm-secondary);
  background: var(--dm-secondary);
  color: #fff;
  border-radius: var(--dm-radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--dm-font);
  cursor: pointer;
  transition: opacity .15s;
}
.btn-mini:hover { opacity: .88; }
.btn-mini-ghost {
  background: var(--dm-bg);
  color: var(--dm-text-secondary);
  border-color: var(--dm-border);
}

/* —— 下载按钮 —— */
.download-row { display: flex; gap: 12px; }
.btn-download {
  flex: 1;
  border: none;
  border-radius: var(--dm-radius);
  padding: 13px 0;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--dm-font);
  cursor: pointer;
  background: var(--dm-gradient);
  color: #fff;
  box-shadow: var(--dm-shadow);
  transition: transform .15s, box-shadow .15s, opacity .15s;
}
.btn-download:hover { transform: translateY(-1px); box-shadow: var(--dm-shadow-lg); }
.btn-download:active { transform: translateY(0); opacity: .9; }
.btn-download-ghost {
  background: var(--dm-bg);
  color: var(--dm-text);
  border: 1px solid var(--dm-border);
  box-shadow: none;
}

/* —— Toast —— */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15, 23, 42, .92);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--dm-font);
  z-index: 99999;
  opacity: 0;
  transition: all .25s;
  pointer-events: none;
  max-width: 80vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.hidden { display: none !important; }

/* —— 响应式 —— */
@media (max-width: 960px) {
  .qr-layout { grid-template-columns: 1fr; }
  .qr-app { padding: 16px 14px 48px; }
  .qr-hero h1 { font-size: 24px; }
}
@media (max-width: 560px) {
  .form-grid2, .form-row, .style-grid { grid-template-columns: 1fr; }
  .download-row { flex-direction: column; }
}