:root {
  --primary: #ffffff;
  --primary-dark: #999999;
  --dark: #000000;
  --darker: #222222;
  --light: #e5e5e5;
  --gray: #808080;
  --transition: all 0.3s ease;
  --accent: #666666;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, var(--dark), var(--darker));
  color: var(--light);
  min-height: 100vh;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  padding-bottom: 100px;
}

header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: nowrap;
}

#userDisplay {
  color: var(--primary);
  font-size: 1.8rem;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
}

button {
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline-offset: 2px;
  outline-color: transparent;
  outline-style: solid;
  outline-width: 2px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  background: var(--primary);
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  justify-content: center;
  flex-shrink: 0;
}

button:focus-visible {
  outline-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 102, 102, 0.5);
}

button:hover:not(:disabled) {
  background: var(--primary-dark);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.create-btn-container {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-bottom: 2rem;
}

.create-btn {
  border-radius: 8px;
  font-size: 1rem;
  width: auto;
  min-width: 220px;
  justify-content: center;
  background: var(--accent);
  color: var(--primary);
  animation: fadeIn 0.8s ease-out;
}

.create-btn:hover:not(:disabled) {
  background: #555555;
}

#cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  width: 100%;
  min-height: 200px;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 0.2s forwards;
}

.card-item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  position: relative;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: translateY(20px);
  animation: cardEnter 0.5s ease-out forwards;
  min-height: 200px;
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  z-index: 0;
}

.card-item > * {
  position: relative;
  z-index: 1;
}

.card-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  border-color: rgba(153, 153, 153, 0.3);
}

.card-item img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  align-self: center;
}

.card-item h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--light);
  text-align: center;
  word-break: break-word;
}

.card-item p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
  text-align: center;
  flex-grow: 1;
  word-break: break-word;
}

.card-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.card-actions a,
.card-actions button {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
  min-width: 90px;
  justify-content: center;
}

.card-actions a:hover {
  background: var(--accent);
  color: var(--primary);
}

.card-actions button {
  background: rgba(153, 153, 153, 0.2);
  color: var(--primary);
}

.card-actions button:hover:not(:disabled) {
  background: rgba(153, 153, 153, 0.3);
  color: var(--primary-dark);
}

.empty-state {
  text-align: center;
  grid-column: 1 / -1;
  padding: 3rem;
  color: var(--gray);
  font-size: 1.1rem;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

#auth-loader {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--light);
  font-size: 1rem;
  margin-bottom: 2rem;
  width: 100%;
  max-width: 400px;
  animation: fadeIn 0.5s ease-out;
}

.mobile-logout {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  padding: 0.8rem 1.5rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.3s ease;
  max-width: calc(100% - 40px);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.mobile-logout:hover {
  background: rgba(255, 255, 255, 0.2);
}

.mobile-logout svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
    padding-bottom: 120px;
  }

  header {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .user-info {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  #userDisplay {
    font-size: 1.5rem;
  }

  #cards-container {
    grid-template-columns: 1fr;
  }

  button, .create-btn {
    width: 100%;
    min-width: unset;
    justify-content: center;
  }
}

@media (max-width: 400px) {
  #userDisplay {
    font-size: 1.5rem;
  }

  .card-item {
    padding: 1rem;
  }

  .card-item img {
    width: 60px;
    height: 60px;
  }

  .mobile-logout {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}

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

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

@keyframes cardEnter {
  to { opacity: 1; transform: translateY(0); }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  #cards-container,
  .card-item,
  .empty-state {
    opacity: 1;
    transform: none;
  }
}

.delete-btn {
  background: #ff4444 !important;
  color: white !important;
}

.delete-btn:hover:not(:disabled) {
  background: #cc0000 !important;
}

.card-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.confirmation-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.confirmation-modal.active {
  opacity: 1;
  pointer-events: all;
}

.confirmation-box {
  background: var(--darker);
  padding: 2rem;
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  border: 1px solid var(--accent);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.confirmation-modal.active .confirmation-box {
  transform: translateY(0);
}

.confirmation-box h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.confirmation-buttons {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
}

.confirmation-buttons button {
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
}

.confirm-btn {
  background: #ff4444;
  color: white;
}

.confirm-btn:hover {
  background: #cc0000;
}

.cancel-btn {
  background: var(--gray);
  color: white;
}

.cancel-btn:hover {
  background: var(--accent);
}