*, *::before, *::after {
  box-sizing: border-box;
}

html {
  overflow: hidden;
  height: 100%;
}

:root {
  --bg: #111;
  --sep: 1px solid #fff;
  --fg: #fff;
  --sidebar-w: 220px;
  --sidebar-collapsed-w: 24px;
  --topbar-h: 56px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: sans-serif;
  height: 100%;
  overflow: hidden;
}

/* Layout */

.layout {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr;
  height: 100%;
}

.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  border-bottom: var(--sep);
  background: var(--bg);
}

.site-title {
  margin: 0;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-icon {
  height: 50px;
  width: auto;
}

.content-area {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--sidebar-w);
  min-height: 0;
}

.content-area.left-collapsed {
  grid-template-columns: var(--sidebar-collapsed-w) 1fr var(--sidebar-w);
}

.content-area.right-collapsed {
  grid-template-columns: var(--sidebar-w) 1fr var(--sidebar-collapsed-w);
}

.content-area.left-collapsed.right-collapsed {
  grid-template-columns: var(--sidebar-collapsed-w) 1fr var(--sidebar-collapsed-w);
}

.sidebar-left {
  position: relative;
  z-index: 10;
  border-right: var(--sep);
  background: var(--bg);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  min-height: 0;
}

.stat-counts {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.85rem;
  color: #aaa;
}

.stat-bars {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.stat-bar-label {
  font-size: 0.7rem;
  color: #888;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-bar-track {
  height: 5px;
  background: #2a2a2a;
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: #fff;
  border-radius: 3px;
  transition: width 0.3s;
}

.stat-bar-nums {
  font-size: 0.65rem;
  color: #555;
}

.center {
  position: relative;
  overflow: visible;
  padding: 0;
  touch-action: none;
}

#results {
  position: absolute;
  inset: 0;
}

.sidebar-right {
  position: relative;
  z-index: 10;
  border-left: var(--sep);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  min-height: 0;
  background: var(--bg);
}

.graph-search {
  width: 180px;
  background: transparent;
  border: 1px solid #444;
  border-radius: 4px;
  color: #fff;
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  outline: none;
}

.graph-search:focus {
  border-color: #fff;
}

.graph-search::placeholder {
  color: #555;
}

#results.filter-active .anime-circle {
  opacity: 0.15;
  transition: opacity 0.15s;
}

#results.filter-active .anime-circle.filter-match {
  opacity: 1;
  border-width: 7px;
}

.media-type-switch {
  display: flex;
  gap: 0.25rem;
}

.media-type-switch .mode-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}

/* Buttons */

.link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.anilist-home {
  padding: 0.35rem 0.75rem;
  font-size: 1rem;
  background: #02A9FF;
  color: #fff;
}

.anilist-home:hover {
  background: #0196e0;
}

/* Sidebar right */

.file-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-weight: bold;
  font-size: 0.9rem;
  cursor: pointer;
}

.file-hint {
  font-weight: normal;
  color: #888;
  font-size: 0.8rem;
}

#search-btn {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 4px;
}

#search-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.feedback {
  margin: 0;
  font-style: italic;
  color: #888;
  font-size: 0.85rem;
}

/* Circles */

.anime-circle {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 6;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #888;
  cursor: pointer;
  transition: border-width 0.1s;
}

.anime-circle:hover,
.anime-circle.highlighted {
  border-width: 7px;
}

.anime-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Popup */

.anime-popup {
  display: none;
  position: fixed;
  z-index: 1000;
  background: #1a1a1a;
  border: var(--sep);
  border-radius: 6px;
  padding: 1rem;
  min-width: 220px;
  overflow-y: auto;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.popup-title {
  font-size: 0.95rem;
  font-weight: bold;
  flex: 1;
}

.anime-link {
  width: 1.3em;
  height: 1.3em;
  font-size: 1.3rem;
  background: none;
  border: 1px solid #666;
  color: #ccc;
  flex-shrink: 0;
  border-radius: 4px;
  pointer-events: auto;
}

.anime-link:hover {
  border-color: #fff;
  color: #fff;
}

.anime-link .arrow {
  position: relative;
  top: -0.5px;
  line-height: 1;
}

.label {
  font-weight: bold;
  margin: 0.65rem 0 0.2rem;
  font-size: 0.75rem;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-right .label {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
  padding-top: 0.3rem;
  margin-top: 0;
}

.stats-empty {
  margin: 0;
  font-size: 0.75rem;
  color: #444;
  font-style: italic;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-list li {
  background: #2a2a2a;
  border-radius: 3px;
  padding: 0.15rem 0.4rem;
  font-size: 0.75rem;
  color: #ddd;
}

.tag-list li.relevant {
  background: #1a3a1a;
  color: #7fff7f;
  border: 1px solid #3a6a3a;
}

#clusters-svg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 4;
}

#labels-svg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 7;
}

#connections-svg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 5;
}

#popup > .label {
  margin-top: 0;
}

#stats > .label:first-of-type {
  margin-top: 0;
}

.pct {
  margin-left: 0.25rem;
  color: #666;
  font-size: 0.7rem;
}

/* Settings */

.settings {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mode-switch {
  display: flex;
  gap: 0.25rem;
}

.mode-btn {
  flex: 1;
  padding: 0.25rem 0;
  font-size: 0.8rem;
  background: transparent;
  color: #666;
  border: 1px solid #444;
  border-radius: 3px;
  cursor: pointer;
}

.mode-btn.active {
  background: #2a2a2a;
  color: #fff;
  border-color: #fff;
}

.setting-panel {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.slider-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #aaa;
}

input[type="range"] {
  width: 100%;
  accent-color: #fff;
  cursor: pointer;
}

.vis-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #aaa;
  cursor: pointer;
  user-select: none;
}

.vis-row input[type="checkbox"] {
  accent-color: #aaa;
  cursor: pointer;
}

.hide-covers .anime-circle img {
  display: none;
}

.text-input {
  width: 100%;
  background: transparent;
  border: 1px solid #444;
  border-radius: 3px;
  color: #fff;
  font-size: 0.85rem;
  padding: 0.3rem 0.5rem;
  outline: none;
}

.text-input:focus {
  border-color: #fff;
}

.status-checks {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.4rem;
}

/* Mobile */

@media (max-width: 640px) {
  .layout {
    grid-template-rows: auto 1fr;
  }

  .topbar {
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    gap: 0.35rem;
    align-items: center;
  }

  .media-type-switch {
    order: 3;
    flex: 0 0 100%;
  }

  .graph-search {
    order: 4;
    flex: 0 0 100%;
    width: 100%;
  }

  .center {
    overflow: hidden;
  }

  /* Always use collapsed column widths */
  .content-area,
  .content-area.left-collapsed,
  .content-area.right-collapsed,
  .content-area.left-collapsed.right-collapsed {
    grid-template-columns: var(--sidebar-collapsed-w) 1fr var(--sidebar-collapsed-w);
  }

  /* Default mobile sidebar: collapsed strip */
  .sidebar-left,
  .sidebar-right {
    padding: 0;
    gap: 0;
    overflow: hidden;
  }

  .sidebar-left .sidebar-content,
  .sidebar-right .sidebar-content {
    display: none;
  }

  .sidebar-left .sidebar-toggle,
  .sidebar-right .sidebar-toggle {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
    align-self: auto;
    font-size: 0.65rem;
    color: #444;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar-left .sidebar-toggle:hover,
  .sidebar-right .sidebar-toggle:hover {
    color: #fff;
    background: #1a1a1a;
  }

  /* Mobile overlay when open */
  .sidebar-left.mobile-open,
  .sidebar-right.mobile-open {
    position: fixed;
    top: 0;
    height: 100dvh;
    width: min(var(--sidebar-w), 85vw);
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.6);
  }

  .sidebar-left.mobile-open {
    left: 0;
    padding: 1.5rem 1rem;
    gap: 0.75rem;
  }

  .sidebar-right.mobile-open {
    right: 0;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.6);
  }

  .sidebar-left.mobile-open .sidebar-content,
  .sidebar-right.mobile-open .sidebar-content {
    display: contents;
  }

  .sidebar-left.mobile-open .sidebar-toggle,
  .sidebar-right.mobile-open .sidebar-toggle {
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 1;
    width: auto;
    height: auto;
    border: 1px solid #333;
    border-radius: 3px;
    font-size: 0.6rem;
    padding: 0.2rem 0.3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar-left.mobile-open .sidebar-toggle {
    align-self: flex-end;
  }

  .sidebar-right.mobile-open .sidebar-toggle {
    align-self: flex-start;
  }
}

/* Sidebar toggle */

.sidebar-toggle {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid #333;
  border-radius: 3px;
  color: #555;
  cursor: pointer;
  font-size: 0.6rem;
  padding: 0.2rem 0.3rem;
  line-height: 1;
}

.sidebar-toggle:hover {
  border-color: #fff;
  color: #fff;
}

.sidebar-left .sidebar-toggle {
  align-self: flex-end;
}

.sidebar-right .sidebar-toggle {
  align-self: flex-start;
}

.sidebar-left.collapsed,
.sidebar-right.collapsed {
  padding: 0;
  gap: 0;
  overflow: hidden;
}

.sidebar-content {
  display: contents;
}

.sidebar-left.collapsed .sidebar-content,
.sidebar-right.collapsed .sidebar-content {
  display: none;
}

.sidebar-left.collapsed .sidebar-toggle,
.sidebar-right.collapsed .sidebar-toggle {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0;
  align-self: auto;
  font-size: 0.65rem;
  color: #444;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-left.collapsed .sidebar-toggle:hover,
.sidebar-right.collapsed .sidebar-toggle:hover {
  color: #fff;
  background: #1a1a1a;
}