/* ==========================================
   1. 全局变量与核心重置
   ========================================== */
:root {
  --font-stack-system:
    "GeistMono", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --background-body-color: #f2f0eb;
  --background-dark-body-color: #151516;
  --background-card-color: #fffdfa;
  --background-card-dark-color: #1c1c1e;
  --background-card-border-color: #fffdfa;
  --background-card-border-dark-color: rgba(255, 255, 255, 0.03);

  --text-content-color: #222;
  --text-content-dark-color: #98989d;
  --text-highlight-color: #994d61;
  --text-highlight-dark-color: #c3aacc;
  --text-info-color: #adaba6;
  --text-info-dark-color: #5c5c62;
}

@font-face {
  font-family: "GeistMono";
  font-display: swap;
  font-weight: 400;
  src:
    local("Geist Mono"),
    local("GeistMono"),
    url("https://img.koobai.com/fonts/GeistMono-Regular.woff2?v=20260402-1")
      format("woff2");
}
@font-face {
  font-family: "GeistMono";
  font-display: swap;
  font-weight: 700;
  src:
    local("Geist Mono Bold"),
    local("GeistMono-Bold"),
    url("https://img.koobai.com/fonts/GeistMono-Bold.woff2?v=20260402-1")
      format("woff2");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}

.rss-app-body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: var(--background-body-color);
  color: var(--text-content-color);
  font-family: var(--font-stack-system);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #f7dcd0;
}
a {
  text-decoration: none;
  color: var(--text-content-color);
}
@media (hover: hover) {
  a:hover {
    text-decoration: underline;
  }
}

/* 暗黑模式全局覆盖 */
@media (prefers-color-scheme: dark) {
  .rss-app-body {
    background-color: var(--background-dark-body-color);
    color: var(--text-content-dark-color);
  }
  ::selection {
    background: #000;
  }
  a {
    color: var(--text-content-dark-color);
  }
  img {
    filter: brightness(0.8) contrast(1.2);
  }
}

/* ==========================================
   2. 登录覆盖层 (由 _newlaodao.scss 抽离)
   ========================================== */
#loginOverlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background-body-color);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.admin-login-input {
  padding: 16px;
  width: 240px;
  margin-bottom: 15px;
  border-radius: 99px;
  outline: none;
  background: #ffffff;
  border: 1px solid #eeebe6;
}
.admin-login-btn {
  padding: 10px 24px;
  cursor: pointer;
  background: var(--text-highlight-color);
  color: var(--background-card-color);
  border: none;
  border-radius: 20px;
  font-weight: bold;
}

@media (prefers-color-scheme: dark) {
  #loginOverlay {
    background-color: var(--background-dark-body-color);
  }
  .admin-login-input {
    background: rgba(28, 28, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
  }
}

/* ==========================================
   3. 核心三栏布局
   ========================================== */
.rss-layout {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  height: 100vh;
  width: 100vw;
  z-index: 999;
}

.rss-sidebar {
  width: 250px;
  flex-shrink: 0;
  background-color: var(--background-card-color);
  overflow-y: auto;
  padding: 15px;
  margin: 10px;
  height: calc(100vh - 20px);
  border-radius: 16px;
  box-sizing: border-box;
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.05),
    0 1px 2px rgba(0, 0, 0, 0.03);
}

.rss-list {
  width: 350px;
  padding: 10px 10px 10px 0;
  gap: 10px;
  display: grid;
  align-content: start;
  flex-shrink: 0;
  background-color: var(--background-body-color);
  border-right: 1px solid var(--background-card-border-color);
  overflow-y: auto;
}

.rss-detail {
  flex-grow: 1;
  overflow-y: auto;
  padding: 30px;
  background-color: var(--background-body-color);
}
.placeholder-text {
  color: var(--text-info-color);
  text-align: center;
  margin-top: 20vh;
}

@media (prefers-color-scheme: dark) {
  .rss-sidebar {
    background-color: var(--background-card-dark-color);
    box-shadow:
      0 4px 12px rgba(0, 0, 0, 0.2),
      0 1px 2px rgba(0, 0, 0, 0.1);
  }
  .rss-list {
    background-color: var(--background-dark-body-color);
    border-right: 1px solid var(--background-card-border-dark-color);
  }
  .rss-detail {
    background-color: var(--background-dark-body-color);
  }
  .placeholder-text {
    color: var(--text-info-dark-color);
  }
}

/* ==========================================
   4. 侧边栏元素与菜单
   ========================================== */
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 10px 10px 15px 10px;
}
.sidebar-header h3 {
  margin: 0;
  font-size: 12px;
  color: var(--text-info-color);
}
.header-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.action-btn {
  cursor: pointer;
  color: var(--text-info-color);
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.action-btn:hover {
  color: var(--text-highlight-color);
}
.is-spinning svg {
  animation: spin 1s linear infinite;
  stroke: var(--text-highlight-color);
}
@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

@media (prefers-color-scheme: dark) {
  .sidebar-header h3 {
    color: var(--text-info-dark-color);
  }
  .action-btn {
    color: var(--text-info-dark-color);
  }
  .action-btn:hover {
    color: var(--text-highlight-dark-color);
  }
  .is-spinning svg {
    stroke: var(--text-highlight-dark-color);
  }
}

/* 统一分类与订阅源的基础样式 */
.sidebar-category,
.sidebar-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-info-color);
  transition: background 0.2s;
  position: relative;
}
.sidebar-category {
  font-weight: bold;
  font-size: 13px;
  margin: 25px 0 2px 0;
}
.sidebar-item {
  font-size: 14px;
  margin-bottom: 2px;
}

.sidebar-category span,
.feed-click-area {
  flex-grow: 1;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.feed-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-right: 10px;
  background-color: var(--background-body-color);
}
.feed-title {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badge {
  color: var(--text-info-color);
  font-size: 0.85rem;
}
.sidebar-item.has-unread {
  color: var(--text-content-color);
  font-weight: 600;
}

.sidebar-category:hover,
.sidebar-item:hover {
  background-color: rgba(0, 0, 0, 0.03);
}
.sidebar-category.active,
.sidebar-item.active {
  background-color: rgba(0, 0, 0, 0.05);
}

/* 编辑小图标 */
.cat-edit-icon,
.feed-edit-icon {
  display: none;
  cursor: pointer;
  color: var(--text-info-color);
  transition: color 0.2s;
  margin-left: 8px;
}
.cat-edit-icon:hover,
.feed-edit-icon:hover {
  color: var(--text-content-color);
}
.sidebar-category:hover .cat-edit-icon,
.sidebar-item:hover .feed-edit-icon {
  display: flex;
  align-items: center;
}

@media (prefers-color-scheme: dark) {
  .sidebar-category,
  .sidebar-item {
    color: var(--text-info-dark-color);
  }
  .sidebar-item.has-unread {
    color: var(--text-content-dark-color);
  }
  .badge {
    color: var(--text-info-dark-color);
  }
  .sidebar-category:hover,
  .sidebar-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
  }
  .sidebar-category.active,
  .sidebar-item.active {
    background-color: rgba(255, 255, 255, 0.05);
  }
  .cat-edit-icon,
  .feed-edit-icon {
    color: var(--text-info-dark-color);
  }
}

/* ==========================================
   5. 中间文章列表区
   ========================================== */
.article-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.article-item:hover {
  background-color: rgba(0, 0, 0, 0.03);
}
.article-item.active {
  background-color: var(--background-card-color);
}
.article-item.is-read {
  opacity: 0.8;
}
.article-item.is-read .article-title {
  color: var(--text-info-color);
  font-weight: 500;
}
.article-item.is-read .article-thumbnail {
  opacity: 0.6;
}

.article-text-content {
  flex-grow: 1;
  min-width: 0;
}
.article-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-content-color);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-meta {
  font-size: 0.75rem;
  color: var(--text-info-color);
  display: flex;
  gap: 6px;
}
.article-thumbnail {
  width: 65px;
  height: 65px;
  flex-shrink: 0;
  border-radius: 6px;
  object-fit: cover;
  background-color: rgba(0, 0, 0, 0.03);
}

@media (prefers-color-scheme: dark) {
  .article-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
  }
  .article-item.active {
    background-color: var(--background-card-dark-color);
  }
  .article-item.is-read .article-title {
    color: var(--text-info-dark-color);
  }
  .article-title {
    color: var(--text-content-dark-color);
  }
  .article-meta {
    color: var(--text-info-dark-color);
  }
  .article-thumbnail {
    background-color: rgba(255, 255, 255, 0.05);
  }
}

/* ==========================================
   6. 右侧正文区排版
   ========================================== */
.article-detail-container {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 100px;
}
.article-detail-container h1 {
  font-size: 1.3rem;
  line-height: 1.4;
  margin-top: 0;
  margin-bottom: 10px;
}
.detail-meta {
  font-size: 13px;
  color: var(--text-info-color);
  margin-bottom: 30px;
  font-weight: 500;
}

.detail-content {
  font-size: 1.1rem;
  line-height: 1.8;
}
.detail-content iframe,
.detail-content video {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 8px;
  margin: 20px 0;
  background-color: rgba(0, 0, 0, 0.05);
}
.detail-content img,
.detail-content figure {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5em 0;
  display: block;
}
.detail-content a {
  color: var(--text-highlight-color);
  text-decoration: none;
}
.detail-content a:hover {
  text-decoration: underline;
}
.detail-content blockquote {
  border-left: 4px solid var(--text-info-color);
  padding-left: 15px;
  color: var(--text-info-color);
  background: var(--background-card-color);
  padding: 10px 15px;
  border-radius: 6px;
  margin: 1.5em 0;
}
.detail-content blockquote p {
  margin: 0;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 2px;
}
.detail-header h1 {
  margin-bottom: 0;
  flex-grow: 1;
}
.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 5px;
}

.detail-actions .action-btn {
  color: var(--text-info-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s;
}
.detail-actions .action-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-highlight-color);
}
.detail-actions .action-btn.is-starred {
  color: var(--text-highlight-color);
}
.detail-actions .action-btn.is-starred svg {
  fill: currentColor;
}
.detail-actions .action-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 2px;
}

@media (prefers-color-scheme: dark) {
  .detail-meta {
    color: var(--text-info-dark-color);
  }
  .detail-content iframe,
  .detail-content video {
    background-color: rgba(255, 255, 255, 0.05);
  }
  .detail-content a {
    color: var(--text-highlight-dark-color);
  }
  .detail-content blockquote {
    background: var(--background-card-dark-color);
    border-left-color: var(--text-info-dark-color);
  }
  .detail-actions .action-btn {
    color: var(--text-info-dark-color);
  }
  .detail-actions .action-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-highlight-dark-color);
  }
  .detail-actions .action-btn.is-starred {
    color: var(--text-highlight-dark-color);
  }
}

/* ==========================================
   7. 设置弹窗 Modal
   ========================================== */
.rss-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.rss-modal {
  background: var(--background-card-color);
  width: 400px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 25px;
  border: 1px solid var(--background-card-border-color);
}
.rss-modal h2 {
  margin-top: 0;
  font-size: 18px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 15px;
}
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-info-color);
  margin-bottom: 5px;
}
.form-group input,
.form-group select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--background-body-color);
  color: var(--text-content-color);
  outline: none;
  transition: border-color 0.2s ease;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 25px;
}
.modal-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: bold;
}
.btn-cancel {
  background: transparent;
  color: var(--text-info-color);
}
.btn-delete {
  background: #ff3b30;
  color: white;
  margin-right: auto;
}
.btn-save {
  background: var(--text-highlight-color);
  color: white;
}

@media (prefers-color-scheme: dark) {
  .rss-modal {
    background: var(--background-card-dark-color);
    border-color: var(--background-card-border-dark-color);
  }
  .form-group input,
  .form-group select {
    border-color: rgba(255, 255, 255, 0.1);
    background: var(--background-dark-body-color);
    color: var(--text-content-dark-color);
  }
  .btn-save {
    background: var(--text-highlight-dark-color);
    color: #151516;
  }
}