:root {
  --brand-color: #3EC9B0;
  --bg-dark: #0a0a0a;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --border-color: #333333;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
}

header {
  padding: 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

header h1 {
  color: var(--brand-color);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

header .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

#auth-section {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

#user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#user-name {
  color: var(--brand-color);
}

#logout-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  border-radius: 4px;
}

#logout-btn:hover {
  border-color: var(--brand-color);
  color: var(--brand-color);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

#search-section {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

#search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

#search-input:focus {
  outline: none;
  border-color: var(--brand-color);
}

#search-btn {
  padding: 0.75rem 1.5rem;
  background: var(--brand-color);
  border: none;
  border-radius: 8px;
  color: var(--bg-dark);
  font-weight: bold;
  cursor: pointer;
}

#search-btn:hover {
  opacity: 0.9;
}

#tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  border-color: var(--brand-color);
  color: var(--brand-color);
}

.tab.active {
  background: var(--brand-color);
  border-color: var(--brand-color);
  color: var(--bg-dark);
}

#elements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.element-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

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

.element-card.permanent {
  border-color: var(--brand-color);
}

.element-preview {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.element-preview canvas {
  max-width: 100%;
  max-height: 100%;
}

.element-info {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.element-info .nickname {
  color: var(--brand-color);
  font-weight: bold;
  margin-bottom: 0.25rem;
}

.element-info .team {
  color: var(--text-secondary);
}

.element-info .expires {
  color: #ff6b6b;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.element-info .favorites {
  color: var(--brand-color);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  max-width: 95vw;
  max-height: 90vh;
  overflow: auto;
  position: relative;
}

.close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.close:hover {
  color: var(--text-primary);
}

#modal-element-preview {
  margin-bottom: 1rem;
}

#modal-element-preview canvas {
  display: block;
}

#modal-element-info {
  margin-bottom: 1rem;
}

#modal-element-info p {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

#modal-element-info p strong {
  color: var(--text-primary);
}

#modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

#modal-actions input {
  padding: 0.75rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
}

#modal-actions input:focus {
  outline: none;
  border-color: var(--brand-color);
}

#favorite-btn {
  padding: 0.75rem;
  background: var(--brand-color);
  border: none;
  border-radius: 8px;
  color: var(--bg-dark);
  font-weight: bold;
  cursor: pointer;
}

#favorite-btn:hover {
  opacity: 0.9;
}

#favorite-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#modal-hash-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
  word-break: break-all;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

footer a {
  color: var(--brand-color);
  text-decoration: none;
}

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

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

#modal-element-preview {
  flex-direction: column;
  gap: 1rem;
}

.preview-controls {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  padding: 0.75rem;
  background: var(--bg-dark);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.preview-controls label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.preview-controls input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-color);
}

.preview-section {
  text-align: center;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.preview-section h4 {
  color: var(--brand-color);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.preview-container {
  display: inline-block;
  border-radius: 8px;
  padding: 1rem;
  transition: background 0.3s;
}

.preview-container.light {
  background: #ffffff;
}

.preview-container.dark {
  background: #1a1a1a;
}

.preview-container canvas {
  display: block;
}

.action-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.copy-link {
  color: #5687E6;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: bold;
  text-decoration: underline;
}

.copy-link:hover {
  color: var(--brand-color);
}

.copy-link.copied {
  color: #8EDD65;
}

.login-required {
  text-align: center;
  padding: 4rem 2rem;
  grid-column: 1 / -1;
}

.login-required p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.login-required .login-reason {
  font-size: 0.85rem;
  color: var(--text-secondary);
  opacity: 0.7;
}

.login-required button {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #4285F4;
  border: none;
  border-radius: 8px;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.login-required button:hover {
  opacity: 0.9;
}