/* 穿搭助手样式 - 继承主站 Notion 风格 */
:root {
  --primary: #5645d4;
  --primary-pressed: #4534b3;
  --brand-navy: #0a1530;
  --brand-navy-deep: #070f24;
  --pink: #ff64c8;
  --card-tint-cream: #f8f5e8;
  --card-tint-mint: #d9f3e1;
  --card-tint-rose: #fde0ec;
  --ink: #1a1a1a;
  --slate: #5d5b54;
  --white: #fff;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --spacing-md: 16px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f6f5f4;
  color: var(--ink);
  line-height: 1.6;
}

/* 英雄区 */
.sa-hero {
  background: var(--brand-navy);
  color: #fff;
  padding: 48px 24px;
  text-align: center;
}
.sa-hero-inner { max-width: 720px; margin: 0 auto; }
.sa-title {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.sa-subtitle { color: rgba(255,255,255,0.8); font-size: 16px; }

/* Beta 标签 */
.beta-badge {
  display: inline-block;
  background: #e03131;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  margin-left: 6px;
  vertical-align: middle;
  animation: betaPulse 1.5s ease-in-out infinite;
}
@keyframes betaPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* 主内容区 */
.sa-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px var(--spacing-md) 48px;
}

/* 步骤卡片 */
.sa-card {
  background: var(--white);
  border-radius: var(--rounded-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.sa-card-cream { border-top: 4px solid var(--card-tint-cream); }
.sa-card-mint { border-top: 4px solid var(--card-tint-mint); }
.sa-card-rose { border-top: 4px solid var(--card-tint-rose); }
.sa-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.sa-step {
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 9999px;
  white-space: nowrap;
}
.sa-card-title { font-size: 18px; font-weight: 600; }

/* 输入框 */
.sa-field { margin-bottom: 14px; }
.sa-label { display: block; font-size: 14px; color: var(--slate); margin-bottom: 6px; }
.sa-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e5e3df;
  border-radius: var(--rounded-md);
  font-size: 16px;
  min-height: 44px;
  outline: none;
  transition: border-color 0.2s;
}
.sa-input:focus { border-color: var(--primary); }

/* 上传区 */
.sa-dropzone {
  border: 2px dashed #c8c4be;
  border-radius: var(--rounded-lg);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sa-dropzone:hover, .sa-dropzone.dragging { border-color: var(--primary); background: rgba(86,69,212,0.04); }
.sa-dropzone.has-image { border-color: var(--pink); background: rgba(255,100,200,0.04); }
.sa-dropzone-icon { font-size: 40px; display: block; margin-bottom: 8px; }
.sa-dropzone-text { font-size: 15px; color: var(--ink); }
.sa-dropzone-hint { font-size: 13px; color: var(--slate); margin-top: 4px; }
.sa-file-input { display: none; }
.sa-dropzone.shake { animation: shake 0.4s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* 已上传 */
.sa-uploaded {
  display: none; /* hidden 属性生效 */
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255,100,200,0.08);
  border-radius: var(--rounded-md);
}
.sa-uploaded:not([hidden]) { display: flex; }
.sa-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(255,100,200,0.3);
  flex-shrink: 0;
  background: #f0eeec;
}
.sa-uploaded-name {
  flex: 1;
  font-size: 14px;
  word-break: break-all;
  min-width: 0;
}
.sa-remove-btn {
  background: transparent;
  border: none;
  color: #e03131;
  cursor: pointer;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.sa-remove-btn:hover { background: rgba(224,49,49,0.1); }

/* 操作按钮 */
.sa-actions { text-align: center; margin: 24px 0; }
.sa-primary-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--rounded-md);
  padding: 14px 40px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  transition: all 0.2s;
}
.sa-primary-btn:hover:not(:disabled) { background: var(--primary-pressed); transform: translateY(-2px); }
.sa-primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* 结果展示 */
.sa-result-body { display: flex; flex-direction: column; gap: 16px; }
.sa-result-section {
  padding: 14px;
  background: rgba(86,69,212,0.04);
  border-radius: var(--rounded-md);
  border-left: 4px solid var(--primary);
}
.sa-result-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.sa-result-text { font-size: 14px; color: var(--slate); white-space: pre-wrap; }
.sa-result-actions { display: flex; gap: 12px; margin-top: 20px; justify-content: center; }
.sa-ghost-btn {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: var(--rounded-md);
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  min-height: 44px;
  transition: all 0.2s;
}
.sa-ghost-btn:hover { background: rgba(86,69,212,0.08); }

/* 加载遮罩 */
.sa-loading {
  position: fixed;
  inset: 0;
  background: rgba(7,15,36,0.6);
  display: none; /* hidden 属性生效 */
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.sa-loading:not([hidden]) { display: flex; }
.sa-loading-box {
  background: #fff;
  border-radius: var(--rounded-lg);
  padding: 32px 48px;
  text-align: center;
}
.sa-loading-text { font-size: 15px; color: var(--ink); }
.sa-loading-dots { display: flex; gap: 6px; justify-content: center; margin-top: 12px; }
.sa-loading-dots i {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: dot 1s infinite ease-in-out;
}
.sa-loading-dots i:nth-child(2) { animation-delay: 0.2s; }
.sa-loading-dots i:nth-child(3) { animation-delay: 0.4s; }
@keyframes dot {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-6px); opacity: 1; }
}

/* Toast */
.sa-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(15,21,48,0.92);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--rounded-md);
  font-size: 14px;
  z-index: 1100;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}
.sa-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 页脚 */
.sa-footer { text-align: center; padding: 24px; }
.sa-back-link { color: var(--primary); text-decoration: none; font-size: 14px; }
.sa-back-link:hover { text-decoration: underline; }

/* 响应式 */
@media (max-width: 600px) {
  .sa-hero { padding: 36px 16px; }
  .sa-title { font-size: 28px; }
  .sa-main { padding: 16px 16px 40px; }
  .sa-card { padding: 20px; }
  .sa-primary-btn { width: 100%; }
  .sa-result-actions { flex-direction: column; }
}