:root {
  --main-bg: #0a0a14;
  --card-bg: rgba(15, 15, 31, 0.7);
  --modal-bg: rgba(10, 10, 20, 0.95);
  --text-color: #f0e6ff;
  --text-muted: rgba(240, 230, 255, 0.6);
  --accent: #0098CD;
  --accent-hover: #00b8ed;
  --accent-transparent: rgba(0, 152, 205, 0.2);
  --error-color: #ff4757;
  --success-color: #2ed573;
  --warning-color: #ffa502;
  --card-radius: 8px;
  --gap: 20px;
  --thin-border: 1px solid var(--accent-transparent);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

html, body { 
  height: 100%; 
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; 
  background: var(--main-bg); 
  color: var(--text-color);
  line-height: 1.6;
}

.app { 
  display: grid; 
  grid-template-columns: 240px 1fr; 
  height: 100vh; 
  gap: var(--gap); 
  padding: var(--gap); 
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: var(--thin-border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}

.sidebar::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, transparent, var(--accent-transparent), transparent);
  border-radius: var(--card-radius);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar:hover::after {
  opacity: 0.3;
}

.brand { 
  font-weight: 700; 
  font-size: 20px; 
  color: var(--accent); 
  margin-bottom: 20px;
  text-align: center;
  position: relative;
  padding-bottom: 10px;
}

.brand::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 2px;
}

nav { 
  display: flex; 
  flex-direction: column; 
  gap: 4px; 
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-color);
  padding: 12px 16px;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 152, 205, 0.1), transparent);
  transition: left 0.6s ease;
}

.nav-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(8px);
  color: var(--accent);
}

.nav-btn:hover::before {
  left: 100%;
}

.nav-btn:hover::after {
  transform: scaleX(1);
}

.nav-btn.active { 
  background: var(--accent-transparent);
  color: var(--accent);
  transform: translateX(8px);
  box-shadow: 0 4px 12px rgba(0, 152, 205, 0.2);
}

.nav-btn.active::before {
  background: linear-gradient(90deg, transparent, rgba(0, 152, 205, 0.2), transparent);
  left: 100%;
}

.sidebar-footer { 
  font-size: 12px; 
  opacity: 0.5; 
  margin-top: 20px; 
  text-align: center;
  padding-top: 15px;
  position: relative;
}

.sidebar-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.auth-status {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s ease;
}

#auth-indicator {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

#auth-indicator[style*="color: #2ed573"] {
  background: rgba(46, 213, 115, 0.1);
  color: #2ed573 !important;
}

#auth-indicator[style*="color: rgba(240, 230, 255, 0.6)"] {
  background: rgba(240, 230, 255, 0.1);
  color: rgba(240, 230, 255, 0.6) !important;
}

/* Main content */
.main { 
  display: flex; 
  flex-direction: column; 
  min-height: 0; 
}

.topbar { 
  display: flex; 
  gap: 8px; 
  padding: 8px; 
  align-items: center;
  background: var(--card-bg);
  border-radius: var(--card-radius);
  border: var(--thin-border);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.topbar input, .topbar select { 
  padding: 8px 12px; 
  height: 36px;
  border-radius: 6px; 
  border: var(--thin-border); 
  background: rgba(0, 0, 0, 0.3); 
  color: var(--text-color);
  font-size: 14px;
}

.topbar select option {
  background: var(--main-bg);
  color: var(--text-color);
  padding: 8px;
}

.topbar input {
  flex: 1;
  min-width: 150px;
}

.topbar input:focus, .topbar select:focus {
  outline: none;
  border-color: var(--accent);
}

.topbar button { 
  padding: 8px 12px; 
  height: 36px;
  border-radius: 6px; 
  border: none; 
  background: var(--accent); 
  color: white; 
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
  white-space: nowrap;
}

.topbar button:hover {
  background: var(--accent-hover);
}

#content { 
  overflow: auto; 
  padding: 16px; 
  border-radius: var(--card-radius);
  flex: 1;
  position: relative;
}

.tab { 
  display: none; 
}

.tab.active { 
  display: block; 
}

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

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 16px;
}

/* Game cards */
.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  border: var(--thin-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 8px 25px rgba(0, 152, 205, 0.15),
    0 2px 8px rgba(0, 152, 205, 0.1);
  border-color: rgba(0, 152, 205, 0.4);
}

.card:hover::before {
  opacity: 1;
}

.game-cover {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, rgba(0, 152, 205, 0.1), rgba(0, 152, 205, 0.05));
  background-size: cover;
  background-position: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.game-cover::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.card:hover .game-cover::after {
  left: 100%;
}

.card-content {
  padding: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-head { 
  display: flex; 
  justify-content: space-between; 
  align-items: flex-start; 
  gap: 8px;
  margin-bottom: 10px;
}

.game-title-wrapper {
  display: flex;
  align-items: flex-start;
  flex: 1;
  gap: 8px;
}

.favorite-star {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.3);
}

.favorite-star:hover {
  transform: scale(1.2);
  filter: drop-shadow(0 0 4px rgba(255, 215, 0, 0.6));
}

.favorite-star.favorited {
  color: #ffd700;
  filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.4));
}

.game-title {
  font-size: 16px;
  font-weight: 600;
  flex: 1;
}

.card-body { 
  flex: 1; 
  display: flex; 
  flex-direction: column; 
  gap: 8px;
}

.game-notes{
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.game-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0;
}

.tag{
  background: rgba(0, 152, 205, 0.15);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

.card-row { 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  gap: 8px; 
  font-size: 13px;
  margin-top: auto;
  min-height: 20px;
}

.badge{
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.game-platform{
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}

.game-status{
  background: var(--accent-transparent);
  color: var(--accent);
  flex-shrink: 0;
  margin: 0 4px;
}

.status-completed{
  background: rgba(46, 213, 115, 0.2);
  color: var(--success-color);
}

.status-playing{
  background: rgba(0, 152, 205, 0.2);
  color: var(--accent);
}

.status-backlog{
  background: rgba(255, 165, 2, 0.2);
  color: var(--warning-color);
}

.status-dropped{
  background: rgba(255, 71, 87, 0.2);
  color: var(--error-color);
}

.game-rating{
  color: #ffd700;
  font-size: 14px;
  margin-left:auto;
  white-space: nowrap;
}

.game-hours{
  font-size: 12px;
  color: var(--text-muted);
  margin-right: auto;
  white-space: nowrap;
}

.game-hours::before {
  content: "Time: ";
  opacity: 0.7;
}

.card-actions { 
  display: flex; 
  gap: 6px; 
  margin-top: 12px;
  padding-top: 12px;
  border-top: var(--thin-border);
}

.btn {
  background: transparent;
  border: 1px solid var(--accent-transparent);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex: 1;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 152, 205, 0.2), transparent);
  transition: left 0.6s ease;
}

.btn:hover {
  background: var(--accent-transparent);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 152, 205, 0.2);
}

.btn:hover::before {
  left: 100%;
}

.btn.small { 
  padding: 6px 10px; 
  font-size: 13px; 
}

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

.btn.primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 152, 205, 0.4);
}

.btn.secondary{
  background: rgba(255, 255, 255, 0.05);
}

.btn.warning {
  background: rgba(255, 165, 2, 0.2);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.btn.warning:hover {
  background: rgba(255, 165, 2, 0.3);
}

.btn.danger {
  background: rgba(255, 71, 87, 0.2);
  border-color: var(--error-color);
  color: var(--error-color);
}

.btn.danger:hover {
  background: rgba(255, 71, 87, 0.3);
}

.btn.large {
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
}

/* Floating Action Button */
.fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 152, 205, 0.4);
  transition: all 0.2s;
  z-index: 100;
}

.fab:hover{
  background: var(--accent-hover);
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 152, 205, 0.6);
}

.fab:active{
  transform: scale(0.95);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--modal-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

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

.modal-header h2 {
  font-size: 20px;
  color: var(--accent);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 28px;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.modal-close:hover{
  background: rgba(255, 255, 255, 0.1);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 20px;
  border-top: var(--thin-border);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: var(--thin-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-color);
  font-size: 14px;
  font-family: inherit;
}

.form-group select option {
  background: var(--main-bg);
  color: var(--text-color);
  padding: 8px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.input-with-btn {
  display: flex;
  gap: 8px;
}

.input-with-btn input {
  flex: 1;
}

.input-with-btn button {
  padding: 10px 14px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  white-space: nowrap;
}

/* Steam search results */
.steam-results {
  margin-top: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.steam-result {
  display: flex;
  gap: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: var(--thin-border);
  border-radius: 6px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.steam-result:hover {
  background: var(--accent-transparent);
  border-color: var(--accent);
}

.steam-result img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
}

.steam-result-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.steam-price {
  font-size: 12px;
  color: var(--text-muted);
}

.loading, .no-results, .error, .success {
  padding: 12px;
  border-radius: 6px;
  text-align: center;
  font-size: 13px;
}

.loading {
  background: rgba(0, 152, 205, 0.1);
  color: var(--accent);
}

.no-results {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}

.error {
  background: rgba(255, 71, 87, 0.1);
  color: var(--error-color);
}

.success {
  background: rgba(46, 213, 115, 0.1);
  color: var(--success-color);
}

/* Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.stat-card {
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.stat-card:hover::before {
  left: 100%;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--accent);
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.stat-card:hover .stat-value {
  color: var(--accent-hover);
  transform: scale(1.1);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.stat-card:hover .stat-label {
  color: var(--text-color);
}

.stats-section {
  margin-top: 32px;
}

.stats-section h3 {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 18px;
}

.achievement-progress-bar-container {
  margin: 20px 0;
}

.achievement-progress-bar {
  width: 100%;
  height: 32px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 8px;
  position: relative;
}

.achievement-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success-color));
  border-radius: 16px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.achievement-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

.achievement-progress-text {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.progress-item {
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  padding: 12px;
  margin-bottom: 10px;
}

.progress-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-game-title {
  font-weight: 600;
  font-size: 14px;
}

.progress-count {
  font-size: 13px;
  color: var(--text-muted);
}

.progress-bar-small {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill-small {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  margin-bottom: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.breakdown-item:hover {
  transform: translateX(5px);
  border-color: var(--accent);
  background: rgba(0, 152, 205, 0.05);
}

.breakdown-label {
  font-weight: 500;
  transition: color 0.3s ease;
}

.breakdown-item:hover .breakdown-label {
  color: var(--accent);
}

.breakdown-value {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
  transition: all 0.3s ease;
}

.breakdown-item:hover .breakdown-value {
  transform: scale(1.2);
  color: var(--accent-hover);
}

.completion-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  margin-bottom: 10px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.completion-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border-color: var(--accent);
}

.completion-cover {
  width: 80px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.completion-item:hover .completion-cover {
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

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

.completion-title {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 15px;
  transition: color 0.3s ease;
}

.completion-item:hover .completion-title {
  color: var(--accent);
}

.completion-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
  font-size: 13px;
}

.completion-hours {
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.completion-item:hover .completion-hours {
  color: var(--text-color);
}

.completion-rating {
  color: #ffd700;
  transition: transform 0.3s ease;
}

.completion-item:hover .completion-rating {
  transform: scale(1.2);
}

.completion-date {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.completion-item:hover .completion-date {
  color: var(--text-color);
}

/* Achievements */
.achievement-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.game-info-header {
  flex: 1;
  animation: slideInDown 0.5s ease;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.game-info-header h2 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 24px;
}

.game-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  animation: fadeIn 0.6s ease 0.2s both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.game-meta-row .game-hours {
  color: var(--text-muted);
  font-size: 13px;
  transition: color 0.3s ease;
}

.game-meta-row .game-status {
  font-size: 11px;
  padding: 3px 8px;
  transition: all 0.3s ease;
}

.game-meta-row .game-rating {
  color: #ffd700;
  font-size: 13px;
  transition: transform 0.3s ease;
}

.achievement-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.sort-select {
  padding: 8px 12px;
  border: var(--thin-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-color);
  font-size: 13px;
}

.sort-select option {
  background: var(--main-bg);
  color: var(--text-color);
}

.achievement-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  margin-bottom: 10px;
  align-items: center;
  transition: all 0.3s ease;
  animation: slideInUp 0.5s ease;
  animation-fill-mode: both;
}

.achievement-card:nth-child(1) { animation-delay: 0.1s; }
.achievement-card:nth-child(2) { animation-delay: 0.15s; }
.achievement-card:nth-child(3) { animation-delay: 0.2s; }
.achievement-card:nth-child(4) { animation-delay: 0.25s; }
.achievement-card:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.achievement-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  border-color: var(--accent);
}

.achievement-card.locked {
  opacity: 0.5;
  border-left: 4px solid var(--text-muted);
}

.achievement-card.unlocked {
  border-left: 4px solid var(--success-color);
}

.achievement-card.locked:hover {
  opacity: 0.8;
  transform: translateY(-2px);
  border-left-color: var(--accent);
}

.achievement-card.unlocked:hover {
  border-left-color: var(--success-color);
}

.ach-icon {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.achievement-card:hover .ach-icon {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ach-content {
  flex: 1;
}

.ach-title {
  font-weight: 600;
  margin-bottom: 4px;
  transition: color 0.3s ease;
}

.achievement-card:hover .ach-title {
  color: var(--accent);
}

.ach-desc {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.achievement-card:hover .ach-desc {
  color: var(--text-color);
}

.ach-date {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  transition: color 0.3s ease;
}

.achievement-card:hover .ach-date {
  color: var(--text-color);
}

.ach-actions {
  display: flex;
  gap: 6px;
}

.btn-icon {
  background: transparent;
  border: var(--thin-border);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.btn-icon:hover {
  background: var(--accent-transparent);
  border-color: var(--accent);
  transform: scale(1.1);
  color: var(--accent);
}

/* Completionist Achievements */
.completionist-card {
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  padding: 16px;
  margin-bottom: 12px;
}

.completionist-card.completed {
  border-left: 4px solid var(--success-color);
}

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

.comp-title-section {
  flex: 1;
}

.comp-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.completed-strike {
  text-decoration: line-through;
  opacity: 0.6;
}

.comp-difficulty {
  font-size: 13px;
  font-weight: 600;
  display: inline-block;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
}

.comp-actions {
  display: flex;
  gap: 6px;
}

.comp-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

.comp-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.comp-notes {
  font-size: 13px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  margin-top: 10px;
  line-height: 1.5;
}

/* Import/Export */
textarea {
  width: 100%;
  border-radius: var(--card-radius);
  padding: 12px;
  background: var(--card-bg);
  border: var(--thin-border);
  color: var(--text-color);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.row {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.import-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-color);
  cursor: pointer;
  white-space: nowrap;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: var(--thin-border);
  border-radius: 6px;
  transition: all 0.2s;
  height: 36px;
  margin: 0;
}

.import-option:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
}

#import-achievements {
  width: 14px;
  height: 14px;
  cursor: pointer;
  margin: 0;
  accent-color: var(--accent);
}

/* Progress bars */
.achievement-progress-mini {
  margin: 8px 0;
  font-size: 12px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-weight: 500;
}

.achievement-progress-mini .progress-info span:first-child::before {
  content: "Achievements: ";
  opacity: 0.7;
}

.progress-bar-mini {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill-mini {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success-color));
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-fill-mini::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Random Game Tab */
.random-game-header {
  text-align: center;
  margin-bottom: 30px;
}

.random-game-header h2 {
  color: var(--accent);
  margin-bottom: 8px;
}

.random-filters {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-group label {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  text-align: center;
}

.random-filters select {
  padding: 10px 12px;
  border: var(--thin-border);
  border-radius: 8px;
  background: rgba(15, 15, 31, 0.8);
  color: var(--text-color);
  font-size: 14px;
  transition: all 0.3s ease;
  min-width: 150px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%230098CD' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
}

.random-filters select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-transparent);
}

.random-filters select:hover {
  border-color: var(--accent);
  background-color: rgba(0, 152, 205, 0.1);
}

.random-filters select option {
  background: var(--main-bg);
  color: var(--text-color);
  padding: 8px 12px;
}

.random-result {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}

.random-game-card {
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  padding: 24px;
  text-align: center;
  max-width: 400px;
  width: 100%;
  animation: fadeInUp 0.5s ease;
}

.random-game-card h3 {
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 24px;
}

.random-game-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.random-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* Top 10 Tab */
.top10-header {
  text-align: center;
  margin-bottom: 24px;
}

.top10-header h2 {
  color: var(--accent);
  margin-bottom: 8px;
}

.top10-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.top10-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.top10-item {
  background: var(--card-bg);
  border: var(--thin-border);
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all 0.3s ease;
}

.top10-item:hover {
  transform: translateX(5px);
  border-color: var(--accent);
}

.top10-rank {
  font-size: 24px;
  font-weight: bold;
  color: var(--accent);
  min-width: 40px;
  text-align: center;
  flex-shrink: 0;
  margin-right: 8px;
  line-height: 1;
}

.top10-content {
  flex: 1;
  min-width: 0;
}

.top10-content h3 {
  margin: 0 0 8px 0;
  color: var(--text-color);
  font-size: 18px;
  line-height: 1.2;
}

.top10-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.top10-meta .platform,
.top10-meta .hours,
.top10-meta .rating {
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.top10-meta .rating {
  color: #ffd700;
}

.top10-cover {
  width: 120px;
  height: 56px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.why-i-love-it {
  font-style: italic;
  color: var(--text-color);
  margin: 0;
  line-height: 1.5;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  background: rgba(0, 152, 205, 0.05);
  padding: 12px;
  border-radius: 4px;
}

.why-i-love-it:focus {
    outline: none;
    border-color: var(--accent);
}

.why-i-love-it-textarea {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  border: var(--thin-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-color);
  font-size: 12px;
  resize: vertical;
  min-height: 60px;
  font-family: inherit;
}

.why-i-love-it-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Top 10 Edit Modal */
.top10-edit-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  height: 500px;
  min-height: 400px;
}

.available-games-section,
.top10-selection-section {
  display: flex;
  flex-direction: column;
}

.available-games-section h3,
.top10-selection-section h3 {
  color: var(--accent);
  margin-bottom: 12px;
  font-size: 16px;
}

.search-input {
  padding: 10px;
  border: var(--thin-border);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-color);
  margin-bottom: 12px;
}

.available-games-list,
.top10-selection-list {
  flex: 1;
  overflow-y: auto;
  border: var(--thin-border);
  border-radius: var(--card-radius);
  background: rgba(0, 0, 0, 0.2);
  padding: 8px;
}

.available-game-item,
.top10-selection-item {
  padding: 12px;
  border: var(--thin-border);
  border-radius: var(--card-radius);
  margin-bottom: 8px;
  background: var(--card-bg);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.available-game-item:hover,
.top10-selection-item:hover {
  background: var(--accent-transparent);
  border-color: var(--accent);
}

.top10-selection-item {
  cursor: move;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top10-selection-item .game-info {
  flex: 1;
}

.drag-handle {
  color: var(--text-muted);
  cursor: move;
  padding: 4px;
  user-select: none;
  flex-shrink: 0;
  margin-right: 4px;
}

.top10-selection-item .remove-game {
  color: var(--error-color);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

/* Batch Operations */
.batch-actions {
  display: none;
  gap: 8px;
  align-items: center;
  margin-left: auto;
  flex-wrap: wrap;
}

body.batch-mode .batch-actions {
  display: flex !important;
}

.game-card.selected {
  border: 2px solid var(--accent);
  background: var(--accent-transparent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 152, 205, 0.3);
}

.game-card .select-checkbox {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 20px;
  height: 20px;
  z-index: 2;
}

.select-checkbox {
  cursor: pointer;
}

.select-checkbox:checked {
  background: var(--accent);
}

/* Tab actions */
.tab-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  padding: 0 16px;
  flex-wrap: wrap;
}

#tab-games h2 {
  color: var(--accent);
  margin-bottom: 8px;
  padding: 0 16px;
}

#toggle-batch-mode {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

#toggle-batch-mode:hover {
  background: var(--accent-transparent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Completion status */
.completion-status {
  margin-top: 4px;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  position: relative;
}

.completion-status.completed::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid;
  border-image: linear-gradient(90deg, var(--success-color), rgba(46, 213, 115, 0.3), var(--success-color)) 1;
  border-radius: 8px;
  pointer-events: none;
}

.completion-status.completed {
  background: rgba(46, 213, 115, 0.1);
  color: var(--success-color);
}

.completion-status.full-progress::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid;
  border-image: linear-gradient(90deg, #ffd700, rgba(255, 215, 0, 0.3), #ffd700) 1;
  border-radius: 8px;
  pointer-events: none;
}

.completion-status.full-progress {
  background: rgba(255, 215, 0, 0.1);
  color: #ffd700;
}

.completion-percentage {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-align: center;
  border-radius: 6px;
}

.completion-text {
  font-weight: 600;
  position: relative;
  z-index: 1;
}

/* All Challenges styling */
.comp-game-title {
  font-size: 14px;
  color: var(--accent);
  margin-top: 4px;
  font-weight: 500;
}

.status-badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.completed {
  background: rgba(46, 213, 115, 0.2);
  color: var(--success-color);
}

.status-badge.incomplete {
  background: rgba(255, 165, 2, 0.2);
  color: var(--warning-color);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .sidebar {
    flex-direction: row;
    gap: 12px;
    align-items: center;
    padding: 12px;
  }

  .brand {
    margin-bottom: 0;
    font-size: 18px;
    padding-bottom: 0;
  }

  .brand::after {
    display: none;
  }

  nav {
    flex-direction: row;
    flex: 1;
    overflow-x: auto;
    gap: 8px;
  }

  .nav-btn {
    padding: 10px 12px;
    font-size: 13px;
    white-space: nowrap;
    text-align: center;
    flex: 1;
    min-width: max-content;
  }

  .nav-btn:hover,
  .nav-btn.active {
    transform: translateY(-2px);
  }

  .sidebar-footer {
    display: none;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .fab {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .achievement-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .achievement-actions {
    justify-content: flex-start;
  }
  
  .game-meta-row {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .completion-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  
  .completion-cover {
    width: 100%;
    height: 80px;
    object-fit: cover;
  }
  
  .completion-meta {
    justify-content: space-between;
    width: 100%;
  }

  .random-filters {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group {
    width: 100%;
    max-width: 300px;
  }
  
  .top10-edit-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .batch-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-left: 0;
    margin-top: 12px;
  }
  
  .batch-actions select,
  .batch-actions button {
    width: 100%;
  }

  .top10-game-card {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  
  .top10-rank {
    margin-right: 0;
    margin-bottom: 8px;
  }
  
  .top10-cover {
    width: 100px;
    height: 125px;
  }
  
  .top10-meta {
    justify-content: center;
  }
  
  .top10-edit-container {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 600px;
  }

  .comp-header {
    flex-direction: column;
    gap: 8px;
  }

  .comp-actions {
    order: -1;
    align-self: flex-start;
  }
}

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

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}

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

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