:root {
  --bg: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --accent: #4f6ef7;
  --accent-hover: #3b55d6;
  --border: #e2e8f0;
  --danger: #ef4444;
  --radius: 24px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.14);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont,
    'Segoe UI', 'Hiragino Sans GB', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 24px 0;
}

.container {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 每日一图背景 */
body.has-background {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #fff;
}

body.has-background::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 0;
}

body.has-background .header h1 {
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body.has-background .subtitle {
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

body.has-background .breadcrumb a,
body.has-background .breadcrumb .sep { color: rgba(255, 255, 255, 0.75); }

body.has-background .breadcrumb .cur { color: #fff; }

body.has-background .dial-icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}

body.has-background .dial-item.folder .dial-icon {
  background: rgba(250, 204, 21, 0.2);
  border-color: rgba(250, 204, 21, 0.3);
}

body.has-background .dial-name {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

body.has-background .footer,
body.has-background .footer a { color: rgba(255, 255, 255, 0.75); }
body.has-background .footer a:hover { color: rgba(255, 255, 255, 0.95); }

/* 顶部工具栏 */
.toolbar {
  position: fixed;
  top: 20px;
  right: 24px;
  display: flex;
  gap: 6px;
  align-items: center;
  z-index: 40;
}

/* 头部 */
.header {
  text-align: center;
  margin-bottom: 40px;
}

.header h1 {
  font-size: 2.6rem;
  margin: 0 0 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.subtitle {
  font-size: 1.1rem;
  font-style: italic;
  color: rgba(30, 41, 59, 0.75);
  margin: 0;
}

.subtitle:empty { display: none; }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 40px;
  min-height: 22px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}

.breadcrumb a:hover { color: var(--accent); background: rgba(79, 110, 247, 0.08); }

.breadcrumb .sep { color: #cbd5e1; }

.breadcrumb .cur {
  color: var(--text);
  font-weight: 600;
  padding: 2px 6px;
}

/* 网格 */
.grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 6), minmax(0, 1fr));
  column-gap: 40px;
  row-gap: 44px;
  padding: 0 24px;
  width: 100%;
  justify-content: center;
}

.grid-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 48px 0;
}

/* 拨号项 */
.dial-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.2s ease;
  justify-self: center;
  width: 120px;
}

.dial-item:active { opacity: 0.85; }

.dial-item.dragging { opacity: 0.4; }

.dial-item.drag-over .dial-icon {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

/* 编辑/删除按钮（登录后 hover 显示） */
.dial-item .tools {
  position: absolute;
  top: -10px;
  right: -10px;
  display: none;
  gap: 6px;
  z-index: 2;
}

.dial-item:hover .tools { display: flex; }

.dial-item .tools button {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: none;
  background: rgba(30, 41, 59, 0.7);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.dial-item .tools button:hover { background: var(--danger); }

.dial-item .tools button.edit:hover { background: var(--accent); }

.dial-icon {
  width: 120px;
  height: 120px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dial-item:hover .dial-icon {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.dial-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 目录图标 */
.dial-item.folder .dial-icon {
  font-size: 3rem;
  background: rgba(250, 204, 21, 0.12);
  border-color: rgba(250, 204, 21, 0.25);
}

.dial-name {
  font-size: 1.05rem;
  font-weight: 500;
  color: rgba(30, 41, 59, 0.85);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 页脚备案 */
.footer {
  margin-top: auto;
  padding: 40px 0 32px;
  text-align: center;
  color: rgba(30, 41, 59, 0.7);
  font-size: 0.88rem;
  line-height: 1.8;
}

.footer a {
  color: rgba(30, 41, 59, 0.7);
  text-decoration: none;
  margin: 0 8px;
}

.footer a:hover { color: rgba(30, 41, 59, 0.95); }

.footer .filing-img {
  vertical-align: middle;
  width: 15px;
  height: 15px;
  margin-right: 4px;
}

/* 按钮 */
.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s ease;
}

.btn:hover { background: #f1f5f9; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.9); }

.btn-danger { color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }

/* 新建下拉菜单 */
.dropdown { position: relative; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  min-width: 140px;
  z-index: 60;
  padding: 6px;
}

.dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
}

.dropdown-menu button:hover { background: #f1f5f9; }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}

.modal {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-sm { max-width: 340px; }
.modal-lg { max-width: 640px; }

.modal h2 { margin: 0 0 16px; font-size: 18px; }

.modal label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 12px 0 6px;
}

.modal input[type="text"],
.modal input[type="password"],
.modal input[type="number"],
.modal select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: #fff;
}

.modal input[type="text"]:focus,
.modal input[type="password"]:focus,
.modal input[type="number"]:focus,
.modal select:focus {
  outline: none;
  border-color: var(--accent);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  margin: 0 0 4px;
  cursor: pointer;
}

.check-row input { width: auto; }

.modal textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
  line-height: 1.6;
}

.modal textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 6px 0 12px;
  word-break: break-all;
}

.image-row { display: flex; gap: 8px; }
.image-row input { flex: 1; }

.image-preview { margin-top: 8px; }
.image-preview img {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* 标签页 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }

.tab {
  border: none;
  background: transparent;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.tab-panel { padding: 4px 0; }

.filing-item {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.filing-item input {
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
}

.filing-item input.f-name { width: 90px; }
.filing-item input.f-text { flex: 1; }
.filing-item input.f-url { width: 40%; }

/* 设置面板列表 */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
}

.list-item .thumb {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  background: #eef1fb;
  overflow: hidden;
  font-size: 18px;
}

.list-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-item .thumb.folder { background: #fef3c7; }

.list-item .info {
  flex: 1;
  min-width: 0;
}

.list-item .info .title {
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-item .info .meta {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-item .actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.list-item .actions .btn { padding: 5px 10px; font-size: 13px; }

.list-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 20px 0;
}

/* 目录内容弹窗 */
.folder-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.folder-head h2 { margin: 0; font-size: 18px; }

.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 18px;
  padding: 8px 4px;
  max-height: 55vh;
  overflow-y: auto;
}

.hidden { display: none !important; }

/* 移动端 */
@media (max-width: 768px) {
  body { padding: 40px 16px 24px; }

  .header h1 { font-size: 2rem; }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    column-gap: 20px;
    row-gap: 28px;
    padding: 0 8px;
  }

  .dial-item { width: 90px; gap: 10px; }
  .dial-icon { width: 90px; height: 90px; font-size: 2rem; border-radius: 18px; }
  .dial-name { font-size: 0.9rem; max-width: 90px; }
}