:root {
  --color-primary: #2ea043;
  --color-primary-dark: #238636;
  --color-danger: #f85149;
  --color-danger-dark: #da3633;
  --color-accent: #e94560;
  --color-bg: #1a1a2e;
  --color-surface: #16213e;
  --color-card: #222831;
  --color-border: #3a3a4a;
  --color-text: #e0e0e0;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #666666;
  --color-input-bg: #0f3460;
  
  --radius: 8px;
  --radius-lg: 12px;
  --gap: 16px;
  
  --transition: all 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

input, select, textarea {
  font-size: 100%;
  outline: none;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--gap);
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: var(--gap);
  margin-bottom: var(--gap);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background: var(--color-danger-dark);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  background: var(--color-card);
}

.form-group {
  margin-bottom: var(--gap);
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 16px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.2);
}

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

.grid {
  display: grid;
  gap: var(--gap);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }
  
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    width: 95%;
    max-width: none;
  }
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal.ativo {
  display: flex;
}

.modal-content {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: var(--gap);
  width: 500px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--color-border);
}

.modal h2, .modal h3 {
  margin-bottom: 16px;
  color: var(--color-text);
}

.close-modal {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text-secondary);
  cursor: pointer;
}

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

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.toast.ativo {
  opacity: 1;
  visibility: visible;
}

.toast-success {
  border-left: 4px solid var(--color-primary);
}

.toast-error {
  border-left: 4px solid var(--color-danger);
}

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
}

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

.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--gap);
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-surface);
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tr:hover {
  background: var(--color-card);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(46, 204, 113, 0.1);
  color: var(--color-primary);
}

.badge-danger {
  background: rgba(248, 81, 73, 0.1);
  color: var(--color-danger);
}

.badge-warning {
  background: rgba(249, 202, 36, 0.1);
  color: #f1c40f;
}

.badge-info {
  background: rgba(88, 166, 255, 0.1);
  color: var(--color-accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.error-message {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: 12px;
  border-radius: var(--radius);
  margin-bottom: var(--gap);
}