:root {
  --md-shadow-z1: 0 2px 4px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --md-shadow-z2: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --md-shadow-z3: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  --md-radius: 4px;
  --md-radius-lg: 8px;
}

.main-list {
  display: flex;
  flex: 1;
  margin: 0 auto;
  height: 100vh;
  gap: 1rem;
}

.content {
  padding: 20px;
  flex-grow: 1;
  height: 100%;
  overflow-y: auto;
}

/* Sidebar */
.sidebar {
  flex-shrink: 0;
  margin-right: 1.2rem;
  position: sticky;
  top: 4.8rem;
  height: calc(100vh - 4.8rem);
  overflow-y: auto;
  padding: 0.5rem 0;
  max-width: 400px;
}

.nav {
  margin: 0 1rem;
  padding: 0;
  list-style: none;
}

.nav-header {
  color: var(--md-default-fg-color--light);
  margin: 0.5rem auto;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: larger;
  text-transform: uppercase;
}

.reset-btn {
  background-color: var(--md-code-bg-color);
  color: var(--md-default-fg-color);
  padding: 0.2rem 0.6rem;
  border-radius: var(--md-radius);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--md-code-bg-color);
  cursor: pointer;
  transition: all 0.25s ease;
  width: 100%;
  margin-bottom: 1rem;
}

.content-inner {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 20px;
}

/* Search */
.search {
  position: relative;
  margin-bottom: 1.2rem;
}

.search-form {
  /* background-color: var(--md-default-bg-color); */
  border-radius: 8px;
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  padding: 0 0.8rem;
  height: 2.5rem;
  border: 2px solid rgba(0, 0, 0, 0.12);
  transition: all 0.25s ease;
}

.search-form:focus-within {
  box-shadow: var(--md-shadow-z2);
  border-color: var(--md-primary-fg-color);
}

.search-input::placeholder {
  color: var(--md-default-fg-color--lighter);
}

.search-input {
  flex: 1;
  border: none;
  background: none;
  font-size: smaller;
  color: var(--md-default-fg-color);
  outline: none;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding: 0.8rem 1rem;
  background-color: var(--md-default-bg-color);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow-z1);
  color: var(--md-default-fg-color--light);
}

.stats-info {
  display: flex;
  gap: 1.2rem;
  font-size: smaller;
}

/* View Toggle */
.view-toggle {
  display: flex;
  background-color: var(--md-code-bg-color);
  border-radius: var(--md-radius);
  padding: 0.2rem;
}

.view-btn {
  padding: 0.4rem 0.8rem;
  border: none;
  background: none;
  color: var(--md-default-fg-color--light);
  border-radius: var(--md-radius);
  cursor: pointer;
  transition: all 0.25s ease;
}

.view-btn:hover {
  color: var(--md-default-fg-color);
}

.view-btn.active {
  background-color: var(--md-default-bg-color);
  color: var(--md-primary-fg-color);
  box-shadow: var(--md-shadow-z1);
}

/* Grid Layout */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}

.card {
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  padding: 1.2rem;
}

.card:hover {
  box-shadow: var(--md-shadow-z2);
  transform: translateY(-2px);
  background-color: var(--md-accent-fg-color--transparent);
}

.card-title {
  color: var(--md-typeset-color);
}

.card-title span i {
  margin-left: 1rem;
  font-size: smaller;
  font-family: "Open Sans", "Helvetica Neue", Arial, "STKaiti", "KaiTi", "楷体", sans-serif;
}

.card-subtitle {
  color: var(--md-default-fg-color--light);
  margin: 0.5rem auto;
}

.card-subtitle span {
  display: inline-block;
  margin: 0.1rem 0.15rem;
  font-size: small;
  padding: 0.25rem;
  background-color: var(--md-code-bg-color);
}

.card-description {
  color: var(--md-default-fg-color--light);
  margin: 0 0 1rem 0;
  flex: 1;
  line-height: 1.4;
  font-family: Georgia, "Times New Roman", "STKaiti", "KaiTi", "楷体", serif;
  font-size: smaller;
  font-style: italic;
}

.card-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  color: var(--md-default-fg-color--light);
  gap: 0.5rem;
}

.card-link {
  color: var(--md-primary-fg-color);
  text-decoration: none;
  font-weight: bolder;
}

.card-link:hover {
  text-decoration: underline;
  color: var(--md-accent-fg-color);
}

#updateTime, #resultCount {
  font-weight: bold;
}

/* Table */
.table {
  background-color: var(--md-default-bg-color);
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow-z1);
  font-size: smaller;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.table-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: smaller;
  overflow-wrap: break-word;
  word-break: break-all;
  /* hyphens: auto; */
}

.table-header {
  background-color: var(--md-code-bg-color);
  color: var(--md-default-fg-color);
}

.table-header th {
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.25s ease;
}

.table-header th:hover {
  background-color: var(--md-accent-fg-color--transparent);
}

.table-row:nth-child(even) {
  background-color: var(--md-code-bg-color);
}

.table-row:hover {
  background-color: var(--md-accent-fg-color--transparent);
}

.table-cell {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.table-cell:last-child {
  border-bottom: none;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .main {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    margin-right: 0;
    margin-bottom: 1.2rem;
  }

  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 80%;
    max-width: 20rem;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    background-color: var(--md-default-bg-color);
    box-shadow: var(--md-shadow-z3);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.54);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.25s ease,
      visibility 0.25s ease;
  }

  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fade-in 0.3s ease-out;
}

/* Filter Section */
.filter-section {
  margin-bottom: 1rem;
  border: 1px solid var(--md-code-bg-color);
  border-radius: var(--md-radius-md);
  background-color: var(--md-default-bg-color);
  box-shadow: var(--md-shadow-z1);
  overflow: hidden;
}

.filter-section[open] {
  border-color: var(--md-accent-fg-color);
}

.filter-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--md-code-bg-color);
  cursor: pointer;
  user-select: none;
  transition: all 0.25s ease;
  font-weight: 500;
  color: var(--md-default-fg-color);
}

.filter-summary:hover {
  background-color: var(--md-accent-fg-color--transparent);
}

.filter-title {
  font-weight: 600;
  color: var(--md-default-fg-color);
}

.count-badge {
  display: inline-block;
  background-color: var(--md-accent-fg-color);
  color: var(--md-default-fg-color);
  border-radius: var(--md-radius);
  min-width: 1.5rem;
  text-align: center;
  margin: 0 0.5rem;
}

.search-wrapper {
  padding: 0.35rem 0.5rem;
  border-top: 1px solid var(--md-code-bg-color);
}

.filter-search {
  width: 100%;
  padding: 0.5rem 0.25rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--md-radius);
  background-color: var(--md-default-bg-color);
  /* font-size: 0.8rem; */
  color: var(--md-default-fg-color);
  outline: none;
  transition: all 0.25s ease;
}

.filter-options {
  max-height: 320px;
  overflow-y: auto;
  padding: 0.5rem 1rem;
}

.filter-search:focus {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 0 0 2px rgba(83, 109, 254, 0.2);
}

.filter-search::placeholder {
  color: var(--md-default-fg-color--lighter);
}

.filter-option {
  display: block;
  width: 100%;
  cursor: pointer;
  border-radius: var(--md-radius);
  transition: background-color 0.2s ease;
  border: 1px solid transparent;
}

.filter-option:hover {
  background-color: var(--md-accent-fg-color--transparent);
  border-color: var(--md-accent-fg-color--transparent);
}

.filter-option:last-child {
  margin-bottom: 0.2rem;
}

.filter-checkbox {
  width: 0.8rem;
  height: 0.8rem;
  accent-color: var(--md-accent-fg-color);
  cursor: pointer;
  margin-right: 0.75rem;
  vertical-align: middle;
}

.filter-checkbox:checked {
  accent-color: var(--md-accent-fg-color);
}

.filter-label {
  display: inline;
}

.filter-checkbox:checked + .filter-label {
  color: var(--md-accent-fg-color);
}