/* ===== DESIGN TOKENS ===== */
:root {
  /* Steam-inspired palette */
  --bg-deepest: #0a0e17;
  --bg-deep: #0f1923;
  --bg-card: #1b2838;
  --bg-card-hover: #213044;
  --bg-surface: #2a475e;
  --bg-input: #1a2332;

  --accent: #66c0f4;
  --accent-hover: #8ed4f8;
  --accent-dim: rgba(102, 192, 244, 0.15);
  --accent-glow: rgba(102, 192, 244, 0.3);

  --green: #4ade80;
  --green-dim: rgba(74, 222, 128, 0.15);
  --yellow: #fbbf24;
  --yellow-dim: rgba(251, 191, 36, 0.15);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.15);
  --purple: #a78bfa;

  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-dim: #6b7280;
  --text-bright: #ffffff;

  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-deepest);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(102, 192, 244, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(167, 139, 250, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(74, 222, 128, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.app {
  position: relative;
  z-index: 1;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 25, 35, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  color: var(--accent);
  display: flex;
  align-items: center;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.header-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== SETUP SECTION ===== */
.setup-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.setup-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.setup-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple), var(--accent));
  background-size: 200% 100%;
  animation: shimmer 3s ease infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.setup-header {
  margin-bottom: 2rem;
}

.setup-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.setup-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Form */
.setup-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group label .optional {
  color: var(--text-dim);
  font-weight: 400;
}

.form-group input,
.form-group select {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.form-hint a {
  font-weight: 500;
}

.form-hint strong {
  color: var(--yellow);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4ba3d4);
  color: var(--bg-deepest);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

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

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: var(--bg-deepest);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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

/* Error */
.error-message {
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: var(--red);
  font-size: 0.9rem;
  margin-top: 1rem;
}

/* Info Cards */
.info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.info-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.info-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.info-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.info-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== LOADING SECTION ===== */
.loading-section {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 2rem;
}

.loading-card {
  text-align: center;
  max-width: 400px;
}

.loading-animation {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pulse-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent);
  border-radius: 50%;
  animation: pulse-out 2s ease-out infinite;
  opacity: 0;
}

.pulse-ring.delay-1 { animation-delay: 0.4s; }
.pulse-ring.delay-2 { animation-delay: 0.8s; }

@keyframes pulse-out {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.loading-icon {
  font-size: 2.5rem;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.loading-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.loading-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--bg-surface);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 4px;
  width: 0%;
  transition: width 0.5s ease;
}

/* ===== RESULTS SECTION ===== */
.results-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
}

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

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-box {
  position: relative;
  width: 280px;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem 0.55rem 2.5rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.search-box input::placeholder {
  color: var(--text-dim);
}

.filter-group {
  display: flex;
  gap: 0.35rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Export Dropdown */
.export-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 50;
  overflow: hidden;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font);
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-surface);
}

.dropdown-item + .dropdown-item {
  border-top: 1px solid var(--border);
}

/* ===== GAME CARDS ===== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  animation: card-in 0.4s ease backwards;
}

.game-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

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

.card-header {
  position: relative;
  height: 140px;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-card));
  overflow: hidden;
}

.card-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.game-card:hover .card-header img {
  transform: scale(1.05);
}

.card-header-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1rem 0.5rem;
  background: linear-gradient(transparent, rgba(10, 14, 23, 0.9));
}

.match-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.match-badge.exact {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.match-badge.fuzzy {
  background: var(--yellow-dim);
  color: var(--yellow);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.rtr-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(102, 192, 244, 0.3);
}

.card-body {
  padding: 1rem 1.25rem 1.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-port-name {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 99px;
  font-weight: 500;
}

/* ===== NO RESULTS ===== */
.no-results {
  text-align: center;
  padding: 4rem 2rem;
}

.no-results-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.no-results h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.no-results p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: modal-in 0.3s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.3);
}

.modal-content {
  padding: 2rem;
}

.modal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
  padding-right: 2.5rem;
}

.modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.modal-section p, .modal-section div {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.modal-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  transition: background var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
}

.modal-link:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  text-decoration: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header-inner {
    padding: 0.75rem 1rem;
  }

  .header-stats {
    gap: 1rem;
  }

  .stat-value {
    font-size: 1rem;
  }

  .setup-section {
    padding: 2rem 1rem;
  }

  .setup-card {
    padding: 1.5rem;
  }

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

  .results-section {
    padding: 1rem;
  }

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

  .toolbar-left, .toolbar-right {
    flex-wrap: wrap;
  }

  .search-box {
    width: 100%;
  }

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

  .modal {
    max-height: 90vh;
  }
}

@media (max-width: 480px) {
  .header-stats {
    display: none;
  }

  .filter-group {
    flex-wrap: wrap;
  }
}