/* ============ SmartSolo 后台管理样式 ============
   跟前台一致的 Vercel 风：白底、细边框、黑字，绿色只作强调 */

/* ---------- 登录页 ---------- */
.login-body {
  background: var(--c-subtle);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 30px rgba(0,0,0,.06);
  text-align: center;
}
.login-logo {
  height: 38px;
  width: auto;
  margin: 0 auto 22px;
  border-radius: 0;
}
.login-card h1 {
  margin: 0 0 24px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-text);
}
.login-card label {
  display: block;
  text-align: left;
  color: var(--c-text-soft);
  font-size: 13px;
  margin-bottom: 20px;
}
.login-card input[type="password"],
.login-card input[type="text"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--c-text);
}
.login-card input[type="password"]:focus,
.login-card input[type="text"]:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(74,122,14,.12);
}
.login-hint {
  margin: 20px 0 0;
  font-size: 12px;
  color: var(--c-text-mute);
}

/* ---------- Alert ---------- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid var(--c-border);
}
.alert-success { background: var(--c-tint); color: var(--c-primary);  border-color: var(--c-tint-border); }
.alert-danger  { background: #fef3f2;      color: #912018;            border-color: #fecdca; }

/* ---------- 后台整体 ---------- */
.admin-body {
  background: var(--c-subtle);
  color: var(--c-text);
}
.admin-header {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding: 11px 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--c-text);
}
.admin-logo {
  height: 28px;
  border-radius: 0;
}
.admin-header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.admin-header-nav a {
  color: var(--c-text-soft);
  font-size: 13.5px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.admin-header-nav a:hover { color: var(--c-text); background: var(--c-subtle); }
.admin-header-nav .btn-secondary { color: var(--c-text-soft); background: #fff; }
.admin-header-nav .btn-secondary:hover { background: #fff; }

.admin-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}
.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.admin-toolbar h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -.025em; }

/* ---------- 表单块 ---------- */
.new-form {
  background: #fff;
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-brand);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.new-form h5 {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--c-text-mute);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.new-form label {
  display: block;
  color: var(--c-text-soft);
  font-size: 13px;
  margin-bottom: 12px;
}
.new-form input[type="text"],
.new-form input[type="url"],
.new-form textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--c-text);
}
.new-form input:focus, .new-form textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(74,122,14,.12);
}
.new-form textarea { resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- 分类块 ---------- */
.cat-block {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.cat-head {
  padding: 13px 18px;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid transparent;
  transition: background .15s;
}
.cat-head:hover { background: var(--c-subtle); }
.cat-block.expanded .cat-head { border-bottom-color: var(--c-border); }
.cat-block.expanded .toggle-arrow { transform: rotate(90deg); }
.cat-title { display: flex; align-items: center; gap: 10px; font-size: 14.5px; }
.toggle-arrow {
  color: var(--c-text-mute);
  transition: transform .15s;
  display: inline-block;
}
.cat-count, .prod-count {
  color: var(--c-text-mute);
  font-size: 12px;
  font-weight: normal;
}
.cat-actions, .prod-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.cat-body { padding: 16px 18px; display: none; }
.cat-block.expanded .cat-body { display: block; }

/* ---------- 子分区 ---------- */
.sub-section {
  background: var(--c-subtle);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.sub-section h4 {
  margin: 0 0 10px;
  font-size: 13.5px;
  color: var(--c-text-soft);
  font-weight: 600;
}
.sub-section code {
  background: #fff;
  border: 1px solid var(--c-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* ---------- 产品块（在分类下） ---------- */
.prod-block {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}
.prod-head {
  padding: 11px 14px;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background .15s;
}
.prod-head:hover { background: var(--c-subtle); }
.prod-block.expanded .prod-head { border-bottom: 1px solid var(--c-border); }
.prod-block.expanded .toggle-arrow { transform: rotate(90deg); }
.prod-title { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.prod-body { padding: 14px; display: none; }
.prod-block.expanded .prod-body { display: block; }

/* ---------- 文件列表（后台紧凑） ---------- */
.file-list {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.file-list li {
  display: grid;
  grid-template-columns: 46px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--c-border);
  background: #fff;
  font-size: 13.5px;
}
.file-list li:last-child { border-bottom: none; }
.file-list li:hover { background: var(--c-subtle); }
.file-icon {
  width: 40px;
  height: 24px;
  border-radius: 4px;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: grid;
  place-items: center;
}
.file-icon.pdf   { background: #e5484d; }
.file-icon.doc   { background: #0072f5; }
.file-icon.ppt   { background: #f5a524; }
.file-icon.xls   { background: #17a34a; }
.file-icon.video { background: #7c3aed; }
.file-icon.audio { background: #b45309; }
.file-icon.img   { background: #0891b2; }
.file-icon.zip   { background: #71717a; }
.file-icon.txt   { background: #64748b; }
.file-icon.file  { background: #a1a1aa; }
.file-name { word-break: break-all; color: var(--c-text); }
.file-meta { color: var(--c-text-mute); font-size: 12px; white-space: nowrap; }
.file-buttons { display: flex; gap: 6px; }
.file-buttons form { display: inline; margin: 0; }

.empty-hint {
  color: var(--c-text-mute);
  font-size: 13px;
  padding: 8px 0;
  margin: 0 0 12px;
}

/* ---------- 上传 ---------- */
.upload-form {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}
.upload-drop {
  flex: 1;
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: #fff;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  color: var(--c-text-soft);
  font-size: 13px;
  text-align: center;
}
.upload-drop:hover { border-color: var(--c-primary); background: var(--c-tint); }
.upload-drop input[type="file"] {
  display: block;
  margin-top: 6px;
  width: 100%;
}
@media (max-width: 640px) {
  .upload-form { flex-direction: column; align-items: stretch; }
}

/* ---------- 公开/内部 切换按钮 ---------- */
.btn-go-public {
  border-color: var(--c-tint-border);
  background: var(--c-tint);
  color: var(--c-primary);
}
.btn-go-public:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}
.cat-actions form, .prod-actions form { margin: 0; }

/* 文件行里多了一个切换按钮，给按钮列留点宽度 */
.file-list li .file-buttons { gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

/* ---------- 链接项 ---------- */
.link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 10px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 13px;
}
.link-item code {
  background: var(--c-subtle);
  border: 1px solid var(--c-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}
.link-item form { margin: 0; }
.add-link-form {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 8px;
  margin-top: 10px;
}
.add-link-form input[type="text"],
.add-link-form input[type="url"] {
  padding: 6px 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
}
@media (max-width: 720px) {
  .add-link-form { grid-template-columns: 1fr; }
}