/* ===== Design tokens ===== */
:root {
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-surface-elevated: #243044;
  --color-text: #e8edf4;
  --color-text-muted: #8b9cb4;
  --color-accent: #f59e0b;
  --color-accent-dim: rgba(245, 158, 11, 0.15);
  --color-electric: #fbbf24;
  --color-water: #38bdf8;
  --color-grass: #4ade80;
  --color-fire: #f87171;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-display);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  padding: 2rem;
  position: relative;
  overflow-x: hidden;
}

.bg-pattern {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-dim), transparent),
    radial-gradient(circle at 80% 80%, rgba(56, 189, 248, 0.08), transparent),
    radial-gradient(circle at 20% 90%, rgba(74, 222, 128, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ===== Landing ===== */
.landing {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.landing-header {
  text-align: center;
  margin-bottom: 3rem;
}

.landing h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.landing-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ===== Pokemon grid ===== */
.pokemon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.pokemon-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.pokemon-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 2;
}

.pokemon-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card-glow {
  position: absolute;
  inset: -50%;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: 0;
}

.pokemon-card[data-type="electric"] .card-glow {
  background: radial-gradient(circle, rgba(251, 191, 36, 0.2) 0%, transparent 70%);
}

.pokemon-card[data-type="water"] .card-glow {
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
}

.pokemon-card[data-type="grass"] .card-glow {
  background: radial-gradient(circle, rgba(74, 222, 128, 0.2) 0%, transparent 70%);
}

.pokemon-card[data-type="fire"] .card-glow {
  background: radial-gradient(circle, rgba(248, 113, 113, 0.2) 0%, transparent 70%);
}

.pokemon-card[data-type="custom"] .card-glow {
  background: radial-gradient(circle, rgba(139, 156, 180, 0.15) 0%, transparent 70%);
}

.pokemon-card:hover .card-glow {
  opacity: 1;
}

.pokemon-card-custom .custom-placeholder {
  width: 140px;
  height: 140px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-text-muted);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
}

.custom-pokemon-grid {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.card-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: background var(--transition-fast);
}

.pokemon-card:hover .card-inner {
  background: var(--color-surface-elevated);
}

.pokemon-card img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin-bottom: 1rem;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
  transition: transform var(--transition-smooth);
}

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

.pokemon-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.pokemon-type-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== Detail page ===== */
.detail {
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
  gap: 0.75rem;
}

#loading {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hidden {
  display: none !important;
}

#pokemon-detail {
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

#pokemon-name {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: capitalize;
  letter-spacing: -0.02em;
}

.types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.type-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.35rem 0.75rem;
  background: var(--color-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.sprite {
  width: 180px;
  height: 180px;
  object-fit: contain;
  margin: 1.5rem auto;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
}

.description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.stats-table th,
.stats-table td {
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
}

.stats-table th {
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.stats-table td {
  text-align: right;
  font-weight: 600;
  font-family: var(--font-mono);
}

#error {
  color: #f87171;
  font-size: 0.95rem;
}

/* ===== Auth pages ===== */
.auth-page {
  max-width: 420px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.auth-card {
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.auth-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.auth-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-text-muted);
}

.auth-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.auth-error {
  color: #f87171;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.auth-btn {
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.auth-btn:hover {
  opacity: 0.9;
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.auth-footer a {
  color: var(--color-accent);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.logout-link {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.logout-link:hover {
  color: var(--color-accent);
}

/* ===== Create page ===== */
.create-page {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.create-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.create-card {
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.create-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.create-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.create-section {
  margin-bottom: 2rem;
}

.create-section:last-of-type {
  margin-bottom: 0;
}

.create-section h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

#draw-canvas {
  background: #fff;
  border-radius: var(--radius-md);
  cursor: crosshair;
  max-width: 100%;
  height: auto;
}

.color-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.color-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.color-btn:hover {
  transform: scale(1.1);
}

.color-btn.active {
  border-color: var(--color-text);
  transform: scale(1.15);
}

.clear-btn {
  padding: 0.5rem 1rem;
  background: var(--color-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.clear-btn:hover {
  color: var(--color-text);
}

.stats-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-text-muted);
}

.stats-form input[type="text"],
.stats-form input[type="number"],
.stats-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

.stats-form textarea {
  resize: vertical;
  min-height: 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.stats-grid label {
  margin-bottom: 0;
}

.stats-grid input {
  margin-bottom: 0;
  max-width: 80px;
}

.types-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1.5rem;
}

.types-checkboxes label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0;
  font-weight: 400;
  cursor: pointer;
}

.types-checkboxes input {
  margin: 0;
  width: auto;
}

/* ===== Responsive ===== */
@media (min-width: 600px) {
  .pokemon-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 1.25rem;
  }

  .landing h1 {
    font-size: 1.875rem;
  }

  .pokemon-card img {
    width: 110px;
    height: 110px;
  }
}