:root {
  --bg-dark: #202020;
  --card-dark: #2d2d2d;
  --text-light: #ffffff;
  --accent: #0078d4;
  --border-radius: 8px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: 'Segoe UI', system-ui, sans-serif;
  transition: background-color 0.3s;
}

.container {
  max-width: 1200px;
  padding: 2rem;
}

.title-logo {
  max-width: 300px;
  height: auto;
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}

@media (max-width: 768px) {
  .title-logo {
    max-width: 200px;
  }
}

.form-control {
  background-color: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  border-radius: var(--border-radius);
  padding: 0.75rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  background-color: var(--card-dark);
  border-color: var(--accent);
  color: var(--text-light);
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.25);
}

.btn {
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  transition: transform 0.2s, background-color 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--accent);
  border: none;
}

.btn-primary:hover {
  background-color: #106ebe;
}

.card {
  background-color: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  transition: transform 0.2s;
  opacity: 0;
  animation: slideUp 0.5s ease-out forwards;
}

.card:hover {
  transform: translateY(-2px);
}

.card-horizontal {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem;
}

.card-horizontal img {
  width: 300px;
  height: 200px;
  border-radius: var(--border-radius);
  object-fit: cover;
  flex-shrink: 0;
}

@media (min-width: 769px) {
  .card-horizontal img {
    width: 300px;
    height: 200px;
  }
}

.modal-content {
  background-color: var(--card-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

.modal-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.close {
  color: var(--text-light);
  opacity: 0.7;
}

.message {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: 300px;
  font-size: 14px;
  animation: slideIn 0.3s ease-out;
}

.text-success {
  color: #ffffff;
}

.text-danger {
  color: #ffffff;
}

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

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.icon-small {
  width: 120px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.icon-small:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .card-horizontal {
    flex-direction: column;
    text-align: center;
  }
  
  .card-horizontal img {
    width: 100%;
    height: 200px;
    margin-bottom: 1rem;
  }
  
  .form-group {
    margin-bottom: 0.75rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .message {
    width: 90%;
    right: 5%;
    top: 10px;
  }
}

@media (max-width: 480px) {
  .card-horizontal img {
    height: 180px;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0.5rem;
  }
}