/**
 * Feeds Page Styles
 */

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  background: var(--md-sys-color-surface-1);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-sys-elevation-2);
  transition: var(--theme-transition), transform 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.05);
  background: var(--md-sys-color-surface-2);
}

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

.theme-toggle .material-icons {
  font-size: 22px;
}

.theme-toggle .icon-light { display: none; }
.theme-toggle .icon-dark { display: block; }

[data-theme="dark"] .theme-toggle .icon-light { display: block; }
[data-theme="dark"] .theme-toggle .icon-dark { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-light { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-dark { display: none; }
}

/* Page Background */
body {
  background: linear-gradient(135deg, var(--md-sys-color-surface) 0%, var(--md-sys-color-surface-1) 100%);
  min-height: 100vh;
  padding: 20px;
  transition: var(--theme-transition);
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
}

/* Header Card */
.header-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
  text-align: center;
  position: relative;
}

.back-link {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-size: 14px;
  transition: opacity 0.2s;
}

.back-link:hover {
  opacity: 0.8;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 600px;
  margin: 0 auto;
}

/* Content Card */
.content-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
}

.feeds-section {
  margin-bottom: 32px;
}

.feeds-section h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.feeds-section h2 .material-icons {
  font-size: 20px;
  color: var(--md-sys-color-primary);
}

.feed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feed-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  gap: 16px;
}

.feed-info {
  flex: 1;
}

.feed-info h3 {
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 4px 0;
  color: var(--md-sys-color-on-surface);
}

.feed-info p {
  font-size: 14px;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

.feed-example {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 8px;
  background: var(--md-sys-color-surface-3);
  border-radius: 4px;
  font-size: 13px;
  color: var(--md-sys-color-on-surface-variant);
}

.feed-item-generator {
  flex-direction: column;
  align-items: stretch;
}

.feed-generator {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.tags-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 20px;
  font-size: 14px;
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  outline: none;
  transition: border-color 0.2s;
}

.tags-input:focus {
  border-color: var(--md-sys-color-primary);
}

.tags-input::placeholder {
  color: var(--md-sys-color-on-surface-variant);
}

.generated-url {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--md-sys-color-surface-3);
  border-radius: 8px;
}

.generated-url code {
  flex: 1;
  font-size: 13px;
  color: var(--md-sys-color-on-surface);
  word-break: break-all;
}

.copy-btn {
  padding: 6px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

.copy-btn:hover {
  background: var(--md-sys-color-surface-3);
}

.copy-btn .material-icons {
  font-size: 18px;
}

.feed-links {
  display: flex;
  gap: 8px;
}

.feed-link {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.feed-link.rss {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.feed-link.rss:hover {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

.feed-link.atom {
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.feed-link.atom:hover {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.feed-link.example {
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.params-table {
  width: 100%;
  border-collapse: collapse;
}

.params-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.params-table td:first-child {
  width: 120px;
}

.params-table code {
  background: var(--md-sys-color-surface-3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
}

.snackbar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: var(--md-sys-elevation-3);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 2000;
}

.snackbar.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}