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

body {
  font-family: 'Oxanium', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0b0b0b;
  color: #ffffff;
  line-height: 1.6;
  min-height: 100vh;
}

:root {
  --bg-primary: #0b0b0b;
  --bg-secondary: #0f1113;
  --bg-card: #1a1d21;
  --neon-green: #00ff88;
  --neon-purple: #98b1ea;
  --neon-cyan: #98b1ea;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --border-color: #333333;
  --error-color: #ff4757;
  --success-color: #2ed573;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--neon-green);
  padding: 2rem 0;
  text-align: center;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(45deg, var(--neon-green), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.header-content {
    display: flex;
    align-items: center;
    /* Usa space-between para empurrar os extremos (Logo Product e Logo Brand)
       para as bordas e centralizar o Menu Nav entre eles. */
/*    justify-content: space-between; */
    padding: var(--spacing-sm) 0;
}

.header-content h1 {
    align-items: center;
    display: flex;
    position: static;
    margin-left: 15%
}

.main {
  padding: 3rem 0;
}

.form-container {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 32px rgba(0, 255, 136, 0.1);
}

.form-step {
  margin-bottom: 2rem;
}

.form-step h3 {
  color: var(--neon-purple);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.topic-option {
  position: relative;
}

.topic-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.topic-label {
  display: block;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  font-weight: 500;
}

.topic-label:hover {
  border-color: var(--neon-green);
  background: rgba(0, 255, 136, 0.05);
  transform: translateY(-2px);
}

.topic-option input[type="radio"]:checked + .topic-label {
  border-color: var(--neon-green);
  background: rgba(0, 255, 136, 0.1);
  color: var(--neon-green);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.custom-topic-container {
  margin-top: 1rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.custom-topic-container.show {
  opacity: 1;
  max-height: 100px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.input-container {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

.char-counter {
  position: absolute;
  bottom: -20px;
  right: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.char-counter.warning {
  color: var(--error-color);
}

.submit-container {
  text-align: center;
  margin-top: 2rem;
}

.btn-submit {
  background: linear-gradient(45deg, var(--neon-green), var(--neon-cyan));
  color: var(--bg-primary);
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-submit .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid var(--bg-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 0.5rem;
}

.btn-submit.loading .spinner {
  display: inline-block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.message.success {
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

.message.error {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.admin-container {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border-color);
}

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

.admin-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-input {
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  min-width: 200px;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--neon-purple);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(140, 82, 255, 0.1);
  color: var(--neon-purple);
}

.topic-section {
  margin-bottom: 2rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  overflow: hidden;
}

.topic-header {
  background: linear-gradient(45deg, var(--bg-primary), var(--bg-card));
  color: white;
  padding: 1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topic-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.questions-table {
  width: 100%;
  border-collapse: collapse;
}

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

.questions-table th {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 600;
}

.questions-table tr:hover {
  background: rgba(0, 255, 136, 0.05);
}

.question-text {
  max-width: 300px;
  word-wrap: break-word;
}

.question-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.status-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-visible {
  background: rgba(46, 213, 115, 0.2);
  color: var(--success-color);
}

.status-hidden {
  background: rgba(255, 71, 87, 0.2);
  color: var(--error-color);
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
}

.btn-small {
  padding: 0.25rem 0.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.btn-hide {
  background: var(--error-color);
  color: white;
}

.btn-show {
  background: var(--success-color);
  color: white;
}

.btn-delete {
  background: #ff6b6b;
  color: white;
}

.btn-small:hover {
  opacity: 0.8;
  transform: translateY(-1px);
}

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

.loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--neon-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .header h1 {
    font-size: 2rem;
  }
  
  .topics-grid {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: 1.5rem;
  }
  
  .admin-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .admin-controls {
    justify-content: stretch;
  }
  
  .search-input {
    min-width: auto;
    flex: 1;
  }
  
  .questions-table {
    font-size: 0.9rem;
  }
  
  .questions-table th,
  .questions-table td {
    padding: 0.5rem;
  }
  
  .question-text {
    max-width: 200px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 1.5rem 0;
  }
  
  .header h1 {
    font-size: 1.8rem;
  }
  
  .main {
    padding: 2rem 0;
  }
  
  .form-container {
    padding: 1rem;
  }
  
  .btn-submit {
    width: 100%;
  }
  
  .questions-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

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

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 1rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.form-input:focus,
.btn-submit:focus,
.btn-secondary:focus,
.topic-label:focus {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* CUSTOM */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-light);
    max-width: 160px;
}

.logo-brand,
.logo-brand-container img {
    max-height: 50px;
}

.logo-brand-container {
    flex-shrink: 0;
}