/* 这个文件管所有页面的样子，你不用改。 */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: #f5f6f8;
  color: #222;
}

/* ===== 登录页 ===== */
.login-box {
  max-width: 360px;
  margin: 80px auto;
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.login-box h1 {
  margin: 0 0 24px;
  font-size: 22px;
  text-align: center;
}

.login-box label {
  display: block;
  margin: 12px 0 4px;
  font-size: 14px;
  color: #555;
}

.login-box input,
.admin input,
.admin textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  background: #2563eb;
  color: #fff;
}
button:hover { background: #1d4ed8; }

.login-box button { width: 100%; margin-top: 20px; }

#message, #storeMessage { margin-top: 14px; font-size: 14px; text-align: center; color: #d33; }

/* ===== 后台页 ===== */
.admin {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 16px;
}
.admin h1 { font-size: 22px; }
.admin .form-row { margin-bottom: 12px; }
.admin label { display:block; margin: 12px 0 4px; font-size: 14px; color:#555; }
.admin textarea { min-height: 70px; resize: vertical; }

.product-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.product-row .btns { display: flex; gap: 8px; }
.product-row .del {
  background: #e11d48;
}
.product-row .del:hover { background: #be123c; }

#cancelBtn { background: #6b7280; margin-left: 8px; }
#cancelBtn:hover { background: #4b5563; }

.hint { margin: 6px 0 0; font-size: 13px; color: #888; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar button { background: #6b7280; }
.topbar button:hover { background: #4b5563; }

/* ===== 前台页 产品网格 ===== */
.site-header {
  text-align: center;
  padding: 32px 16px;
}

/* 店铺 Logo：圆形头像样式 */
.site-logo {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  margin: 0 auto 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  background: #fff;
}

/* 店铺简介：标题下面一行灰字 */
.site-intro {
  margin: 8px auto 0;
  max-width: 600px;
  font-size: 14px;
  color: #666;
}

/* 分类筛选按钮条 */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto 20px;
  padding: 0 16px;
}
.filter-btn {
  background: #fff;
  color: #333;
  border: 1px solid #ddd;
  border-radius: 999px;
  padding: 8px 18px;
}
.filter-btn:hover { background: #eee; color: #333; }
.filter-btn.active,
.filter-btn.active:hover {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.grid {
  display: grid;
  gap: 16px;
  padding: 0 16px 48px;
  max-width: 1200px;
  margin: 0 auto;
  /* 手机默认 2 列 */
  grid-template-columns: repeat(2, 1fr);
}
/* 平板 3 列 */
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
/* 桌面 4 列 */
@media (min-width: 1024px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #eee;
}
.card .card-body { padding: 12px; }
.card h3 { margin: 0 0 6px; font-size: 15px; }
.card p { margin: 0; font-size: 13px; color: #666; }