/* Transparent app sidebar - toggle button, overlay, panel */

/* Toggle icon - bottom left */
.app-sidebar-toggle {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: background 0.2s, transform 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.app-sidebar-toggle:hover {
  background: rgba(0, 0, 0, 0.4);
}

.app-sidebar-toggle:active {
  transform: scale(0.95);
}

/* Hamburger icon */
.app-sidebar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  position: relative;
  transition: transform 0.3s;
}

.app-sidebar-toggle span::before,
.app-sidebar-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: transform 0.3s;
}

.app-sidebar-toggle span::before {
  top: -7px;
}

.app-sidebar-toggle span::after {
  top: 7px;
}

/* Icon animation when open */
body.app-sidebar-open .app-sidebar-toggle span {
  background: transparent;
}

body.app-sidebar-open .app-sidebar-toggle span::before {
  top: 0;
  transform: rotate(45deg);
}

body.app-sidebar-open .app-sidebar-toggle span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Transparent sidebar panel */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 99;
  padding: 24px 0;
}

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

.app-sidebar nav {
  padding: 32px 16px 24px 20px;
}

/* Style / theme section */
.app-sidebar-theme-section {
  margin-bottom: 16px;
}

.app-sidebar-theme-label {
  display: block;
  padding: 0 0 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.app-sidebar-theme-select {
  width: 100%;
  padding: 10px 32px 10px 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(255,255,255,0.8)' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  -webkit-tap-highlight-color: transparent;
}

.app-sidebar-theme-select:hover,
.app-sidebar-theme-select:focus {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
  outline: none;
}

.app-sidebar-theme-select option {
  background: #2a2a2a;
  color: #fff;
}

/* Custom CSS section */
.app-sidebar-custom-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.app-sidebar-import-btn {
  display: block;
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.app-sidebar-import-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.app-sidebar-custom-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app-sidebar-custom-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-sidebar-custom-item span {
  flex: 1;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-sidebar-custom-remove {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: rgba(255, 100, 100, 0.4);
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.app-sidebar-custom-remove:hover {
  background: rgba(255, 100, 100, 0.7);
}

.app-sidebar-custom-remove::after {
  content: '×';
  display: block;
}

.app-sidebar-link-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.app-sidebar-link-section .app-sidebar-import-btn {
  text-align: center;
  text-decoration: none;
}

/* Content Request: image behind text, sized with text */
.app-sidebar-content-request {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
}

.app-sidebar-content-request .app-sidebar-btn-icon {
  display: inline-flex;
  align-items: center;
  position: relative;
  z-index: 0;
}

.app-sidebar-content-request .app-sidebar-btn-icon img {
  height: 1.2em;
  width: auto;
  vertical-align: middle;
  display: block;
}

.app-sidebar-content-request .app-sidebar-btn-text {
  position: relative;
  z-index: 1;
}

/* Overlay when sidebar is open */
.app-sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 98;
}

body.app-sidebar-open .app-sidebar-overlay {
  opacity: 1;
  visibility: visible;
}