/* ===== Theme Variables ===== */
:root {
  --bg-primary: #0f1221;
  --bg-secondary: #161a2e;
  --bg-card: rgba(22, 26, 46, 0.8);
  --bg-input: #1c2140;
  --bg-hover: rgba(99, 115, 255, 0.08);
  --border: rgba(99, 115, 255, 0.2);
  --border-focus: #6373ff;
  --text-primary: #f0f0f5;
  --text-secondary: #b0b3c6;
  --text-muted: #6b6f85;
  --accent: #6373ff;
  --accent-hover: #7b89ff;
  --accent-glow: rgba(99, 115, 255, 0.3);
  --success: #4caf50;
  --danger: #ff5252;
  --pink: #e53170;
  --yellow: #ffcb05;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --glass-bg: rgba(22, 26, 46, 0.6);
  --glass-border: rgba(99, 115, 255, 0.15);
  --glass-blur: blur(20px);
}

html[data-theme="light"] {
  --bg-primary: #f5f6fa;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-input: #f0f1f5;
  --bg-hover: rgba(99, 115, 255, 0.06);
  --border: rgba(0, 0, 0, 0.1);
  --border-focus: #6373ff;
  --text-primary: #1a1a2e;
  --text-secondary: #555770;
  --text-muted: #8b8ea3;
  --accent: #5563e8;
  --accent-hover: #6373ff;
  --accent-glow: rgba(99, 115, 255, 0.2);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-blur: blur(20px);
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* ===== Header ===== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  animation: fadeIn 0.5s ease;
}

.header-left {
  text-align: left;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

header h1 .brand-dot {
  color: var(--accent);
}

header p {
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: rotate(15deg);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: flex; }
html[data-theme="light"] .theme-toggle .icon-sun { display: flex; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.theme-toggle svg {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.theme-toggle:hover svg {
  color: var(--accent);
}

/* ===== Search Section (Glass Card) ===== */
.search-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--card-shadow);
  animation: fadeInUp 0.5s ease 0.1s both;
}

/* ===== Mode Toggle ===== */
.mode-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  max-width: 280px;
  background: var(--bg-input);
  border-radius: 10px;
  padding: 3px;
}

.mode-btn {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.mode-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.mode-btn:hover:not(.active) {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* ===== Search Input ===== */
.search-wrapper {
  position: relative;
  max-width: 520px;
}

.search-wrapper label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.search-wrapper input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: all 0.25s ease;
}

.search-wrapper input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-wrapper input::placeholder {
  color: var(--text-muted);
}

/* ===== Autocomplete ===== */
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0 0 10px 10px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 10;
  display: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.autocomplete-list.show {
  display: block;
}

.autocomplete-item {
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--accent);
  color: #fff;
}

/* ===== Options ===== */
.options-row {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.option-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.option-group select {
  padding: 0.5rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color 0.25s ease;
}

.option-group select:focus {
  border-color: var(--border-focus);
}

/* ===== Buttons ===== */
.btn {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:disabled {
  background: var(--text-muted);
  color: var(--bg-primary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-download {
  background: var(--pink);
  color: #fff;
  margin-top: 1rem;
}

.btn-download:hover {
  background: #ff4081;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(229, 49, 112, 0.3);
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* ===== Status ===== */
.status {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.status.error {
  color: var(--danger);
}

/* ===== Preview Section ===== */
.preview-section {
  margin-top: 2rem;
  animation: fadeInUp 0.4s ease both;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.preview-header-left {
  flex: 1;
}

.preview-section h2 {
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 700;
}

.preview-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* ===== Sort Dropdown ===== */
.sort-dropdown {
  position: relative;
  flex-shrink: 0;
}

.sort-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sort-dropdown-btn:hover {
  border-color: var(--border-focus);
  color: var(--text-primary);
}

.sort-dropdown.open .sort-dropdown-btn {
  border-color: var(--border-focus);
  color: var(--text-primary);
}

.sort-icon {
  opacity: 0.6;
}

.sort-dropdown-btn #sort-label {
  color: var(--text-primary);
  font-weight: 600;
}

.sort-chevron {
  opacity: 0.5;
  margin-left: 0.2rem;
  transition: transform 0.2s ease;
}

.sort-dropdown.open .sort-chevron {
  transform: rotate(180deg);
}

.sort-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 240px;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 100;
  overflow: hidden;
  animation: dropdownFadeIn 0.15s ease;
}

.sort-dropdown.open .sort-dropdown-menu {
  display: block;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.sort-dropdown-header {
  padding: 0.6rem 1rem 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sort-option {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sort-option:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sort-option.active {
  background: rgba(99, 115, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
}

.sort-option:last-child {
  border-radius: 0 0 8px 8px;
}

/* ===== Set Tier Filter ===== */
.set-tier-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tier-btn {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.tier-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.tier-btn .tier-count {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-left: 0.2rem;
}

.tier-btn.active .tier-count {
  opacity: 0.9;
}

/* ===== Collection Progress Bar ===== */
.progress-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--bg-hover);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: var(--accent);
  transition: width 0.4s ease, background 0.4s ease;
}

.progress-fill.high {
  background: linear-gradient(90deg, var(--accent), #22c55e);
}

.progress-fill.complete {
  background: #22c55e;
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
}

.progress-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: fit-content;
}

.preview-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.btn-small {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* ===== Card Grid ===== */
.preview-grid {
  display: grid;
  gap: 12px;
}

.preview-grid.grid-3x3 {
  grid-template-columns: repeat(3, 1fr);
}

.preview-grid.grid-2x2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 600px;
}

.preview-grid.grid-4x3 {
  grid-template-columns: repeat(4, 1fr);
}

/* ===== Card Slot ===== */
.card-slot {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
  animation: fadeInUp 0.4s ease both;
}

.card-slot:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  border-color: var(--accent);
}

.card-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.card-slot img {
  width: 100%;
  border-radius: 8px;
  transition: filter 0.25s ease;
}

/* Owned overlay */
.owned-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--success);
  letter-spacing: 2px;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
  border-radius: 8px;
}

.card-slot.excluded .owned-overlay {
  opacity: 1;
}

.card-slot.excluded img {
  filter: grayscale(80%) brightness(0.5);
}

.card-slot.excluded .card-label,
.card-slot.excluded .card-variant {
  opacity: 0.4;
}

.card-slot .card-label {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-slot .card-number {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
}

.card-slot .card-variant {
  font-size: 0.7rem;
  color: var(--pink);
  font-weight: 600;
}

/* ===== Loading Spinner ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ===== Pokeball Loading State ===== */
.loading-state {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
}

.pokeball-spinner {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--text-muted);
  animation: pokeball-bounce 0.6s ease infinite;
  flex-shrink: 0;
}

.pokeball-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: #ee1515;
}

.pokeball-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: #f0f0f0;
}

.pokeball-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: #f0f0f0;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  z-index: 2;
}

.pokeball-spinner::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text-muted);
  transform: translateY(-50%);
  z-index: 1;
}

.loading-message {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
  animation: fadeIn 0.3s ease;
}

@keyframes pokeball-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ===== Variant Icons ===== */
.card-variant {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

img.variant-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  object-fit: contain;
}

svg.variant-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

/* ===== Floating Scroll Button ===== */
.scroll-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-glow), 0 2px 8px rgba(0, 0, 0, 0.3);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  animation: fadeIn 0.3s ease;
}

.scroll-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px var(--accent-glow), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.scroll-fab.scroll-up svg {
  transform: rotate(180deg);
}

.scroll-fab svg {
  transition: transform 0.25s ease;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 14px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 7px;
  border: 3px solid var(--bg-primary);
}

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

/* Firefox scrollbar */
* {
  scrollbar-width: auto;
  scrollbar-color: var(--border) var(--bg-primary);
}

/* ===== Footer ===== */
.site-footer {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding: 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

.site-footer p + p {
  margin-top: 0.25rem;
}

/* Ko-fi Floating Icon */
.kofi-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 40;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  animation: kofi-pulse 12s ease-in-out infinite, kofi-wiggle 12s ease-in-out infinite;
}

.kofi-float-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.kofi-float-label {
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-primary);
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  margin-left: 0;
}

@keyframes kofi-wiggle {
  0%, 92%, 100% { transform: rotate(0deg); }
  93% { transform: rotate(-5deg); }
  94% { transform: rotate(5deg); }
  95% { transform: rotate(-4deg); }
  96% { transform: rotate(4deg); }
  97% { transform: rotate(-2deg); }
  98% { transform: rotate(0deg); }
}

.kofi-float:hover {
  width: auto;
  border-radius: 50px;
  padding: 0 1.4rem;
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
  animation: none, none;
}

.kofi-float:hover .kofi-float-icon {
  transform: scale(1.15) rotate(-8deg);
}

.kofi-float:hover .kofi-float-label {
  opacity: 1;
  max-width: 150px;
  margin-left: 0.5rem;
}

@keyframes kofi-pulse {
  0%, 93%, 100% {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--border);
  }
  95% {
    box-shadow: 0 0 0 6px var(--accent-glow), 0 2px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--accent);
  }
  97% {
    box-shadow: 0 0 0 0px var(--accent-glow), 0 2px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--border);
  }
}

/* ===== Browse Sets Button ===== */
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== Set Browser Modal ===== */
/* ===== Inline Set Browser ===== */
.set-browser-section {
  max-width: 1200px;
  margin: 1rem auto 0;
  padding: 0 2rem;
}

.set-browser-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.set-browser-stats {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.set-filter-input {
  padding: 0.5rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  width: 240px;
  transition: border-color 0.25s ease;
}

.set-filter-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.set-filter-input::placeholder {
  color: var(--text-muted);
}

/* Set Browser Grid (inline flat — collectr style) */
.set-browser-grid-inline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.set-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.25rem 1rem 1rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.set-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  border-color: var(--accent);
}

.set-card-date-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-input);
  padding: 3px 8px;
  border-radius: 5px;
}

.set-card-logo {
  width: 100%;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
}

.set-card-logo img {
  max-width: 100%;
  max-height: 95px;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.set-card:hover .set-card-logo img {
  transform: scale(1.08);
}

.set-card-logo-placeholder {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.3;
}

.set-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 0.25rem;
}

.set-card-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.set-browser-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  header h1 {
    font-size: 1.4rem;
  }

  .search-section {
    padding: 1.25rem;
  }

  .preview-grid.grid-3x3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .preview-grid.grid-4x3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .options-row {
    flex-direction: column;
    gap: 1rem;
  }

  .actions {
    flex-direction: column;
  }

  .set-browser-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .set-filter-input {
    width: 100%;
  }

  .set-browser-grid-inline {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .preview-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .sort-dropdown-menu {
    right: auto;
    left: 0;
  }
}