/* RSSPipe - Base App Styles & Global Utilities */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body, #root {
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Minimal Micro-Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Base App Shell */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg-app);
  position: relative;
}

/* Shared Top Navigation Header */
.app-header {
  height: var(--header-height);
  min-height: var(--header-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 40;
  user-select: none;
  gap: 1rem;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 22px;
  height: 22px;
  color: var(--text-primary);
}

/* Wide Prominent Search Bar */
.search-container {
  position: relative;
  display: flex;
  align-items: center;
  width: 380px;
  max-width: 480px;
  flex: 0 1 420px;
}

.search-input {
  width: 100%;
  height: 34px;
  padding: 0 2rem 0 2.2rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-focus);
  background: var(--bg-surface);
  box-shadow: 0 0 0 2px rgba(24, 24, 27, 0.08);
}

.search-icon-inside {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-shortcut-badge {
  position: absolute;
  right: 0.6rem;
  padding: 1px 5px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  pointer-events: none;
}

/* Minimal Action Buttons */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-icon:active {
  transform: scale(0.96);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  height: 32px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: var(--text-inverse);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  height: 32px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Discrete View Mode Toggle */
.discrete-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.discrete-view-toggle:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Spinning Animation for Refresh */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinning {
  display: inline-block !important;
  animation: spin 0.8s linear infinite !important;
  transform-origin: center center !important;
}

/* Search Autocomplete Dropdown */
.search-autocomplete-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 50;
  max-height: 280px;
  overflow-y: auto;
  padding: 0.35rem 0;
}

.search-autocomplete-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.search-autocomplete-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  gap: 0.5rem;
}

.search-autocomplete-item:hover, .search-autocomplete-item.active {
  background: var(--bg-subtle);
}

.search-autocomplete-delete-btn {
  opacity: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 2px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.search-autocomplete-item:hover .search-autocomplete-delete-btn {
  opacity: 1;
}

.search-autocomplete-delete-btn:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

/* Badge Utilities */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.badge-unread {
  background: var(--accent-soft);
  color: var(--accent-primary);
}

.badge-starred {
  background: var(--star-bg);
  color: var(--star-gold);
}

.badge-ai {
  background: var(--badge-ai-soft);
  color: var(--badge-ai);
}

.badge-tts {
  background: var(--badge-tts-soft);
  color: var(--badge-tts);
}