.settings-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: var(--overlay-bg);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: background 0.3s ease, opacity 0.3s ease, visibility 0.3s, backdrop-filter 0.3s ease;
}

.settings-overlay.active {
  opacity: 1;
  visibility: visible;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.settings-content {
  position: relative;
  background: var(--settings-bg);
  width: 90%;
  max-width: 500px;
  max-height: 580px;
  border-radius: 24px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--settings-shadow);
  transform: scale(0.8) translateY(20px) rotateX(-10deg);
  opacity: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.settings-overlay.active .settings-content {
  opacity: 1;
  transform: scale(1) translateY(0) rotateX(0deg);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  background: var(--settings-bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}

.settings-header h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.settings-body {
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.settings-body::-webkit-scrollbar {
  display: none;
}

.settings-close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text);
  opacity: 0.7;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.settings-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

.settings-section {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.settings-overlay.active .settings-section:nth-child(1) {
  transition-delay: 0.1s;
  opacity: 1;
  transform: translateY(0);
}

.settings-overlay.active .settings-section:nth-child(2) {
  transition-delay: 0.2s;
  opacity: 1;
  transform: translateY(0);
}

.settings-overlay.active .settings-section:nth-child(3) {
  transition-delay: 0.3s;
  opacity: 1;
  transform: translateY(0);
}

.settings-section h3 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.settings-desc {
  font-size: 0.875rem;
  color: var(--meta-text);
  margin: 0 0 1.25rem;
  line-height: 1.4;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.theme-option {
  all: unset;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--card-bg);
  border-radius: 20px;
  border: 2px solid var(--border);
  transition: all 0.2s ease;
  position: relative;
  box-sizing: border-box;
}

.theme-option:hover {
  background: var(--card-bg-hover);
  border-color: var(--meta-text);
}

.theme-option.active {
  background: var(--settings-bg);
  border: 2px solid var(--text);
}

.theme-preview {
  width: 100%;
  height: 80px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  box-sizing: border-box;
}

.theme-preview::before,
.theme-preview::after {
  content: "";
  display: block;
  border-radius: 4px;
}

.theme-preview::before {
  width: 60%;
  height: 12px;
  background: rgba(128, 128, 128, 0.3);
}

.theme-preview::after {
  width: 40%;
  height: 8px;
  background: rgba(128, 128, 128, 0.15);
}

.theme-preview.system {
  background: linear-gradient(135deg, #ffffff 50%, #1e1e1e 50%);
}

.theme-preview.light {
  background: #f0f0f2;
}

.theme-preview.dark {
  background: #1e1e1e;
}

.theme-preview.amoled {
  background: #000000;
}

.theme-label-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.theme-option span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--meta-text);
}

.theme-option.active span {
  color: var(--text);
}

.theme-tick {
  width: 20px;
  height: 20px;
  background-color: var(--text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

.theme-tick::before {
  content: "";
  width: 5px;
  height: 10px;
  border-right: 2.5px solid var(--settings-bg);
  border-bottom: 2.5px solid var(--settings-bg);
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.theme-option.active .theme-tick {
  opacity: 1;
  transform: scale(1);
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.setting-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.setting-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.setting-subtitle {
  font-size: 0.82rem;
  color: var(--meta-text);
  max-width: 280px;
  line-height: 1.35;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 32px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--settings-toggle-off);
  border-radius: 100px;
  box-shadow: inset 0 0 0 2px var(--settings-knob-off);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.slider:before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  background-color: var(--settings-knob-off);
  border-radius: 100px;
  top: 50%;
  left: 8px;
  transform: translateY(-50%);
  transition: left 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), width 0.2s, height 0.2s, background-color 0.2s;
}

input:checked + .slider {
  background-color: var(--settings-toggle-on);
  box-shadow: none;
}

input:checked + .slider:before {
  background-color: var(--settings-knob);
  height: 24px;
  width: 24px;
  left: 24px;
  transform: translateY(-50%);
}

body.no-blur .settings-overlay {
  background: var(--bg);
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}