.settings-page.variant-glass {
  padding: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text-color);
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.settings-page.variant-glass h2,
.settings-page.variant-glass h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-color);
  opacity: 0.9;
}

.add-feed-section,
.appearance-section,
.import-section,
.export-section,
.feed-list-section {
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  border-radius: 16px;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.add-feed-section:hover,
.appearance-section:hover,
.import-section:hover,
.export-section:hover,
.feed-list-section:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.font-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.font-select {
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-color);
  border-radius: 20px;
  font-size: 1rem;
  min-width: 200px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.font-select:focus {
  border-color: rgba(255, 255, 255, 0.3);
}

.add-feed-form {
  display: flex;
  gap: 1rem;
}

.feed-input {
  flex: 1;
  padding: 0.6rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-color);
  border-radius: 20px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.feed-input:focus {
  border-color: rgba(255, 255, 255, 0.3);
}

.error-message {
  color: #ff5252;
  margin-top: 1rem;
  font-weight: 600;
}

.settings-feed-list {
  list-style: none;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  overflow: hidden;
}

.settings-feed-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.2s;
}

.settings-feed-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.settings-feed-item:last-child {
  border-bottom: none;
}

.feed-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.feed-title {
  font-weight: 600;
  font-size: 1.05rem;
  opacity: 0.9;
}

.feed-url {
  color: var(--text-color);
  opacity: 0.5;
  font-size: 0.85rem;
}

.delete-btn {
  background: rgba(255, 82, 82, 0.15);
  color: #ff8a80;
  border: 1px solid rgba(255, 82, 82, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.delete-btn:hover:not(:disabled) {
  background: rgba(255, 82, 82, 0.3);
  color: #fff;
  border-color: rgba(255, 82, 82, 0.4);
  transform: scale(1.05);
}

.import-export-section {
  display: flex;
  gap: 2rem;
}

@media (max-width: 600px) {
  .settings-page.variant-glass {
    padding: 1.5rem;
    margin-top: 1rem;
  }

  .add-feed-form {
    flex-direction: column;
  }

  .import-export-section {
    flex-direction: column;
    gap: 1rem;
  }

  .settings-feed-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

.import-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.file-input {
  font-size: 0.9rem;
  max-width: 100%;
  color: var(--text-color);
  opacity: 0.8;
}

.export-buttons {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.export-btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-color);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

.export-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

button:not(.delete-btn) {
  cursor: pointer;
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  font-weight: 600;
  transition: all 0.2s;
}

button:not(.delete-btn):hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.02);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}