*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Focus ring for controller/keyboard navigation */
:focus-visible {
  outline: 2px solid var(--accent) !important;
  outline-offset: 2px !important;
}

/* Game cards need special treatment since they use div click handlers */
.game-card:focus-visible {
  outline: 2px solid var(--accent) !important;
  outline-offset: 2px !important;
  border-color: var(--accent);
}

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: #1e1e36;
  --bg-hover: #252542;
  --text-primary: #e0e0f0;
  --text-secondary: #8888aa;
  --text-muted: #555577;
  --accent: #6c63ff;
  --accent-hover: #7b73ff;
  --accent-dim: rgba(108, 99, 255, 0.15);
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #f87171;
  --border: #2a2a44;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --transition: 150ms ease;
}

[data-theme="light"] {
  --bg-primary: #f5f5f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eef0f5;
  --bg-card: #ffffff;
  --bg-hover: #e8e8f0;
  --text-primary: #1a1a2e;
  --text-secondary: #555577;
  --text-muted: #9999bb;
  --accent: #6c63ff;
  --accent-hover: #5b52ee;
  --accent-dim: rgba(108, 99, 255, 0.1);
  --success: #22c55e;
  --warning: #d97706;
  --error: #dc2626;
  --border: #d4d4e0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

html, body, #root {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* Layout */
.app-layout {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent-hover);
  font-weight: 600;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

/* Main content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.topbar h2 {
  font-size: 18px;
  font-weight: 600;
}

.page-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 16px;
  font-weight: 600;
}

.card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-installed {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

.badge-missing {
  background: rgba(248, 113, 113, 0.15);
  color: var(--error);
}

.badge-unsupported {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warning);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

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

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

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-danger {
  background: color-mix(in srgb, var(--error) 20%, transparent);
  border: 1px solid var(--error);
  color: var(--error);
}

.btn-danger:hover {
  background: var(--error);
  color: #fff;
}

/* Game library */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}

.game-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.game-card-cover {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--text-muted);
}

.game-card-info {
  padding: 12px;
}

.game-card-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-card-platform {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Scan area */
.scan-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}

.scan-area:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.scan-area p {
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Settings */
.settings-section {
  margin-bottom: 32px;
}

.settings-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.setting-label {
  font-size: 14px;
}

.setting-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Select / Input */
select, input[type="text"] {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  transition: border var(--transition);
}

select:focus, input[type="text"]:focus {
  border-color: var(--accent);
}

/* Toggle */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border-radius: 24px;
  transition: all var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: white;
}

/* Info bar */
.info-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 300ms ease, background 300ms ease;
}

/* Utility */
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Platform tags */
.platform-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  margin-right: 4px;
  margin-top: 4px;
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
  font-size: 14px;
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--text-muted);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 14px;
  margin-top: 8px;
}

/* Controller */
.controller-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.controller-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  min-width: 56px;
  transition: all var(--transition);
}

.controller-btn.pressed {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(108, 99, 255, 0.4);
}

.controller-btn-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.controller-btn-value {
  font-size: 10px;
  color: var(--text-muted);
}

.controller-btn.pressed .controller-btn-value {
  color: var(--accent);
}

.controller-axes {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.axis-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.axis-label {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 44px;
}

.axis-track {
  flex: 1;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  position: relative;
  overflow: visible;
}

.axis-fill {
  position: absolute;
  top: -2px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-50%);
  transition: left 50ms linear;
}

.axis-value {
  font-size: 10px;
  color: var(--text-muted);
  min-width: 32px;
  text-align: right;
}

/* BIOS */
.bios-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bios-entry {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.bios-entry-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.bios-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.bios-indicator.present {
  background: rgba(74, 222, 128, 0.2);
  color: var(--success);
}

.bios-indicator.missing {
  background: rgba(248, 113, 113, 0.2);
  color: var(--error);
}

.bios-entry-name {
  font-size: 13px;
  font-weight: 600;
}

.bios-entry-files {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.bios-file {
  font-size: 10px;
  font-family: monospace;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.bios-file.found {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

/* Full-page modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-full {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(800px, 90vw);
  height: min(600px, 80vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-header h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  font-size: 14px;
  line-height: 1.6;
}

/* Markdown rendered content */
.markdown h1 { font-size: 22px; margin: 0 0 12px; font-weight: 700; }
.markdown h2 { font-size: 18px; margin: 20px 0 10px; font-weight: 600; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.markdown h3 { font-size: 15px; margin: 16px 0 8px; font-weight: 600; }
.markdown p { margin: 0 0 10px; }
.markdown ul { margin: 0 0 10px; padding-left: 24px; }
.markdown li { margin-bottom: 4px; }
.markdown strong { font-weight: 700; color: var(--text-primary); }
.markdown em { font-style: italic; }
.markdown a { color: var(--accent); text-decoration: underline; }
.markdown a:hover { color: var(--accent-hover); }
.markdown code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.markdown pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  overflow-x: auto;
  margin: 0 0 12px;
}
.markdown pre code {
  background: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.5;
}
.markdown hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}
.markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 12px;
  font-size: 13px;
}
.markdown td, .markdown th {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}
.markdown th {
  background: var(--bg-tertiary);
  font-weight: 600;
}
.markdown tr:nth-child(even) {
  background: var(--bg-tertiary);
}

/* Game detail modal */
.game-detail-modal {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(960px, 92vw);
  height: min(680px, 85vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.game-detail-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.game-detail-left {
  width: 380px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.game-detail-cover {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  padding: 16px;
  min-height: 0;
}

.game-detail-cover img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
}

.game-detail-cover-placeholder {
  font-size: 48px;
  color: var(--text-muted);
  opacity: 0.4;
}

.game-detail-thumbnails {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.game-detail-thumb {
  width: 64px;
  height: 48px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.game-detail-thumb.active {
  border-color: var(--accent);
}

.game-detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-detail-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.game-detail-right-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px 20px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.game-detail-launch {
  margin: 12px 20px 20px;
  flex-shrink: 0;
}

.game-detail-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  font-size: 13px;
}

.meta-row {
  display: contents;
}

.meta-label {
  color: var(--text-muted);
  font-weight: 500;
}

.game-detail-description h4,
.game-detail-achievements h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 6px;
}

.game-detail-description p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.game-detail-achievements {
  margin: 0;
}

.achievement-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow-y: auto;
}

.achievement-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  transition: background var(--transition);
}

.achievement-row.locked {
  opacity: 0.55;
}

.achievement-badge {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  flex-shrink: 0;
  object-fit: cover;
}

.achievement-info {
  flex: 1;
  min-width: 0;
}

.achievement-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.achievement-desc {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.achievement-points {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 24px;
  text-align: right;
}

.achievement-row.earned .achievement-points {
  color: var(--success, #4ade80);
}

.platform-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Controller legend overlay */
.controller-legend {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--text-secondary);
  z-index: 999;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  cursor: pointer;
  user-select: none;
  animation: legendFadeIn 0.2s ease;
}

.controller-legend .sep {
  color: var(--border);
  font-size: 10px;
}

@keyframes legendFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}