/* ============================================
   REDATUDO TOOLS - DESIGN SYSTEM
   Sistema de design unificado para todas ferramentas
   ============================================ */

/* Design System Variables */
:root {
  /* Cores Principais */
  --primary-purple: #7C3AED;
  --electric-blue: #3B82F6;
  --success-green: #10B981;
  --warning-orange: #F59E0B;
  --danger-red: #DC2626;
  --pink-vibrant: #EC4899;
  --cyan-bright: #06B6D4;
  --teal-fresh: #14B8A6;
  --indigo-deep: #6366F1;
  --violet-rich: #8B5CF6;

  /* Backgrounds */
  --bg-primary: #0F0F1A;
  --bg-secondary: #161622;
  --bg-card: #1F2937;
  --bg-card-hover: #252F3F;
  --bg-input: rgba(31, 41, 55, 0.7);
  --bg-input-focus: rgba(31, 41, 55, 0.9);

  /* Textos */
  --text-primary: #FFFFFF;
  --text-secondary: #E5E7EB;
  --text-muted: #D1D5DB;
  --text-accent: #A78BFA;
  --text-dark: #111827;

  /* Gradientes */
  --gradient-hero: linear-gradient(135deg, #A78BFA 0%, #60A5FA 100%);
  --gradient-cta: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-premium: linear-gradient(135deg, #F59E0B 0%, #DC2626 100%);
  --gradient-purple: linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
  --gradient-card: linear-gradient(145deg, rgba(31, 41, 55, 0.5) 0%, rgba(17, 24, 39, 0.5) 100%);

  /* Sombras */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);

  /* Bordas */
  --border-primary: rgba(75, 85, 99, 0.3);
  --border-secondary: rgba(167, 139, 250, 0.3);
  --border-accent: #10B981;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --border-radius-2xl: 24px;

  /* Tipografia */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   TOOL PAGE LAYOUT
   ============================================ */

.tool-page {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-primary);
}

.tool-container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

/* ============================================
   TOOL NAVIGATION
   ============================================ */

.tool-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-primary);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-back-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.9375rem;
}

.nav-back-btn:hover {
  border-color: var(--primary-purple);
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.1);
}

.nav-back-icon {
  font-size: 1.125rem;
}

.nav-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb-item {
  color: var(--text-muted);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 600;
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.credits-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  font-size: 0.9375rem;
}

.credits-label {
  color: var(--text-muted);
}

.credits-value {
  color: var(--success-green);
  font-weight: 700;
  font-size: 1.125rem;
}

.credits-recharge-btn,
.credits-upgrade-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.credits-recharge-btn {
  background: var(--gradient-cta);
  color: var(--text-primary);
}

.credits-recharge-btn:hover {
  box-shadow: var(--shadow-sm);
  filter: brightness(1.1);
}

.credits-upgrade-btn {
  background: var(--gradient-premium);
  color: var(--text-primary);
}

.credits-upgrade-btn:hover {
  box-shadow: var(--shadow-sm);
  filter: brightness(1.1);
}

/* ============================================
   TOOL HEADER — hidden inside tool-page (nav already shows name)
   ============================================ */

.tool-page .tool-header {
  display: none;
}

.tool-header-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.tool-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.tool-meta-icon {
  font-size: 1.125rem;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.tool-card {
  background: transparent;
  border: none;
  border-top: 1px solid var(--border-primary);
  padding: var(--spacing-lg) 0;
  position: relative;
}

.tool-card:hover {
  border-top-color: var(--border-primary);
}

.tool-card:first-of-type {
  border-top: none;
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.tool-card-body {
  padding: 0;
}

.tool-card-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
  font-family: var(--font-primary);
}

.tool-card-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.tool-form-group {
  margin-bottom: var(--spacing-md);
}

.tool-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
}

.tool-input,
.tool-textarea,
.tool-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast);
  outline: none;
  resize: vertical;
}

.tool-input:focus,
.tool-textarea:focus,
.tool-select:focus {
  border-color: var(--primary-purple);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.08);
}

.tool-input::placeholder,
.tool-textarea::placeholder {
  color: var(--text-muted);
}

.tool-textarea {
  min-height: 120px;
  line-height: 1.6;
}

/* ============================================
   BUTTONS
   ============================================ */

.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.tool-btn-primary {
  background: var(--gradient-purple);
  color: var(--text-primary);
}

.tool-btn-primary:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  filter: brightness(1.1);
}

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

.tool-btn-secondary:hover:not(:disabled) {
  border-color: var(--primary-purple);
  background: rgba(124, 58, 237, 0.1);
}

.tool-btn-success {
  background: var(--gradient-cta);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tool-btn-success:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  filter: brightness(1.1);
}

.tool-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tool-btn-icon {
  font-size: 1.125rem;
  font-family: 'bootstrap-icons' !important; /* Força a fonte do Bootstrap Icons */
}

/* ============================================
   RESULTS & OUTPUT
   ============================================ */

.tool-results {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.tool-result-card {
  background: rgba(31, 41, 55, 0.4);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: border-color var(--transition-normal);
}

.tool-result-card:hover {
  border-color: rgba(124, 58, 237, 0.4);
}

.tool-result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(167, 139, 250, 0.2);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.tool-result-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-primary);
  margin: 0;
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.tool-result-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.tool-result-actions .tool-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-width: fit-content;
}

.tool-result-actions .tool-btn:hover {
  box-shadow: var(--shadow-sm);
  filter: brightness(1.1);
}

.tool-result-content {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  word-wrap: break-word;
}

.tool-result-content h1,
.tool-result-content h2,
.tool-result-content h3,
.tool-result-content h4,
.tool-result-content h5,
.tool-result-content h6 {
  color: var(--text-primary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-display);
}

.tool-result-content p {
  margin-bottom: var(--spacing-md);
}

.tool-result-content ul,
.tool-result-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.tool-result-content li {
  margin-bottom: var(--spacing-xs);
}

.tool-result-content blockquote {
  border-left: 4px solid var(--primary-purple);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  color: var(--text-accent);
  background: rgba(167, 139, 250, 0.1);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
}

.tool-result-content code {
  background: rgba(59, 130, 246, 0.2);
  padding: 0.2em 0.4em;
  border-radius: var(--border-radius-sm);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9em;
  color: var(--cyan-bright);
}

.tool-result-content pre {
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  border: 1px solid rgba(167, 139, 250, 0.2);
}

.tool-result-content pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* Results Meta Header */
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.results-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.results-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Action Buttons in Results */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1.125rem;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-purple);
  color: var(--text-primary);
}

.action-btn.active {
  background: var(--gradient-purple);
  border-color: var(--primary-purple);
  color: var(--text-primary);
}

.action-btn .action-icon {
  font-size: 1.125rem;
}

/* Quote/Item Cards */
.quote-card,
.item-card {
  background: var(--gradient-card);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.quote-card:hover,
.item-card:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-sm);
}

.quote-header,
.item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-primary);
}

.quote-body,
.item-body {
  flex: 1;
}

.quote-text {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: italic;
  margin: 0;
}

.quote-footer,
.item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-primary);
}

.quote-actions,
.item-actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* Book Name / Title Item */
.book-name-item,
.title-item,
.hashtag-item {
  background: var(--gradient-card);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-normal);
}

.book-name-item:hover,
.title-item:hover,
.hashtag-item:hover {
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-sm);
}

.book-name-item.selected,
.title-item.selected,
.hashtag-item.selected {
  border-color: var(--success-green);
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.1) 0%, rgba(31, 41, 55, 0.5) 100%);
}

.book-name-content,
.title-content,
.hashtag-content {
  flex: 1;
  min-width: 0;
}

.book-name-actions,
.title-actions,
.hashtag-actions {
  display: flex;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

.book-title,
.title-text,
.hashtag-text {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  word-break: break-word;
}

.book-subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-xs);
}

.book-meta,
.title-meta,
.hashtag-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

.rank-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--gradient-purple);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

/* Tips Section */
.tip-item {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.tip-item strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

/* Form Helpers */
.form-text {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.credit-cost {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-left: var(--spacing-xs);
}

/* ============================================
   BADGES & TAGS
   ============================================ */

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-primary);
}

.tool-badge-primary {
  background: rgba(124, 58, 237, 0.15);
  color: #C4B5FD;
  border: 1px solid rgba(167, 139, 250, 0.3);
}

.tool-badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #6EE7B7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tool-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #FCD34D;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tool-badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #93C5FD;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ============================================
   LOADING STATES
   ============================================ */

.tool-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.tool-loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(124, 58, 237, 0.2);
  border-top-color: var(--primary-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

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

.tool-loading-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================
   EMPTY STATES
   ============================================ */

.tool-empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.tool-empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.tool-empty-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.tool-empty-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

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

.tool-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.tool-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.tool-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* ============================================
   UTILITIES
   ============================================ */

.tool-divider {
  height: 1px;
  background: var(--border-primary);
  margin: var(--spacing-xl) 0;
}

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

.tool-text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tool-mt-sm { margin-top: var(--spacing-sm); }
.tool-mt-md { margin-top: var(--spacing-md); }
.tool-mt-lg { margin-top: var(--spacing-lg); }
.tool-mt-xl { margin-top: var(--spacing-xl); }

.tool-mb-sm { margin-bottom: var(--spacing-sm); }
.tool-mb-md { margin-bottom: var(--spacing-md); }
.tool-mb-lg { margin-bottom: var(--spacing-lg); }
.tool-mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .tool-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .tool-header {
    padding: var(--spacing-lg) 0;
  }

  .tool-card {
    padding: var(--spacing-lg);
  }

  .tool-navigation {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .nav-left,
  .nav-right {
    width: 100%;
  }

  .credits-display {
    width: 100%;
    justify-content: space-between;
  }

  .tool-grid-2,
  .tool-grid-3,
  .tool-grid-4 {
    grid-template-columns: 1fr;
  }

  .tool-result-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .tool-result-title {
    text-align: center;
  }

  .tool-result-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .tool-result-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }

  .tool-result-actions .tool-btn {
    flex: 1;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .tool-btn {
    width: 100%;
  }

  .tool-header-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-animate-in {
  animation: fadeIn 0.3s ease-out;
}

.tool-transition-all {
  transition: all var(--transition-normal);
}