/* =====================================================
   PREMIUM MODAL SYSTEM
   ===================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(255, 255, 255, 0.05);
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
  padding: var(--s-8);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-6);
  position: relative;
  background: var(--surface-elevated);
}

.modal-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%);
}

.modal-title-group {
  flex: 1;
}

.modal-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--tiny);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--s-3);
}

.modal-tag .tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 2s ease-in-out infinite;
}

.modal-title {
  font-size: var(--h3);
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  margin: 0 0 var(--s-2);
  color: var(--text);
}

.modal-subtitle {
  font-size: var(--small);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.modal-close {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  color: var(--text);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* Modal Body */
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--s-8);
}

.modal-body::-webkit-scrollbar {
  display: none;
}

/* Modal Sections */
.modal-section {
  margin-bottom: var(--s-10);
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section-title {
  font-size: var(--small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 var(--s-5);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.modal-section-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--text);
  border-radius: 2px;
}

/* Feature Grid in Modal */
.modal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-5);
  margin-bottom: var(--s-6);
}

.modal-feature {
  padding: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--transition-base);
}

.modal-feature:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.modal-feature-icon {
  width: 36px;
  height: 36px;
  background: var(--surface-elevated);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-4);
}

.modal-feature-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--text);
}

.modal-feature-title {
  font-size: var(--small);
  font-weight: 600;
  margin: 0 0 var(--s-2);
  color: var(--text);
}

.modal-feature-desc {
  font-size: var(--tiny);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Code Block in Modal */
.modal-code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--s-6);
}

.modal-code-header {
  padding: var(--s-4) var(--s-5);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.modal-code-title {
  font-size: var(--tiny);
  font-weight: 600;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.modal-code-lang {
  padding: var(--s-1) var(--s-3);
  background: var(--surface-elevated);
  border-radius: var(--r-sm);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--success);
}

.modal-code-content {
  padding: var(--s-5);
  overflow-x: auto;
}

.modal-code-content pre {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
}

.modal-code-content code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* Syntax Highlighting */
.code-comment { color: #6A9955; font-style: italic; }
.code-keyword { color: #569CD6; font-weight: 600; }
.code-string { color: #CE9178; }
.code-function { color: #DCDCAA; }
.code-variable { color: #9CDCFE; }
.code-number { color: #B5CEA8; }
.code-operator { color: #D4D4D4; }
.code-property { color: #4FC1FF; font-weight: 500; }
.code-success { color: #22C55E; }
.code-error { color: #EF4444; }
.code-warning { color: #F59E0B; }

/* Line numbers (optional enhancement) */
.modal-code-content pre {
  counter-reset: line;
}

.modal-code-content code {
  display: block;
}

/* Copy button for code blocks */
.modal-code-block {
  position: relative;
}

.modal-code-copy {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: var(--s-2) var(--s-4);
  color: var(--text-secondary);
  font-size: var(--tiny);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 10;
}

.modal-code-block:hover .modal-code-copy {
  opacity: 1;
}

.modal-code-copy:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  color: var(--text);
}

.modal-code-copy.copied {
  background: rgba(34, 197, 94, 0.1);
  border-color: var(--success);
  color: var(--success);
}

/* Metrics Grid */
.modal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
  margin-bottom: var(--s-6);
}

.modal-metric {
  text-align: center;
  padding: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.modal-metric-value {
  font-size: var(--h2);
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text);
  margin: 0 0 var(--s-2);
}

.modal-metric-label {
  font-size: var(--tiny);
  color: var(--text-secondary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* Use Case Cards */
.modal-use-cases {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.modal-use-case {
  padding: var(--s-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: var(--r-lg);
}

.modal-use-case-title {
  font-size: var(--small);
  font-weight: 600;
  margin: 0 0 var(--s-3);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.modal-use-case-icon {
  width: 24px;
  height: 24px;
  stroke: var(--success);
}

.modal-use-case-desc {
  font-size: var(--tiny);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* Comparison Table */
.modal-comparison {
  overflow-x: auto;
  margin-bottom: var(--s-6);
}

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

.modal-comparison th,
.modal-comparison td {
  padding: var(--s-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.modal-comparison th {
  font-size: var(--tiny);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--surface);
}

.modal-comparison td {
  font-size: var(--small);
  color: var(--text);
}

.modal-comparison .check {
  color: var(--success);
}

.modal-comparison .cross {
  color: var(--error);
  opacity: 0.3;
}

/* Modal Footer */
.modal-footer {
  padding: var(--s-6) var(--s-8);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  background: var(--surface-elevated);
}

.modal-footer-info {
  font-size: var(--tiny);
  color: var(--muted);
}

.modal-footer-actions {
  display: flex;
  gap: var(--s-3);
}

/* Tabs in Modal */
.modal-tabs {
  display: flex;
  gap: var(--s-2);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s-6);
  overflow-x: auto;
}

.modal-tab {
  padding: var(--s-4) var(--s-5);
  font-size: var(--small);
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.modal-tab:hover {
  color: var(--text-secondary);
  background: var(--surface-hover);
}

.modal-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.modal-tab-content {
  display: none;
}

.modal-tab-content.active {
  display: block;
}

/* Badge in Modal */
.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.modal-badge.success {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--success);
}

.modal-badge.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--warning);
}

/* List Styling */
.modal-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-6);
}

.modal-list li {
  padding: var(--s-3) 0 var(--s-3) var(--s-7);
  position: relative;
  font-size: var(--small);
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

/* Responsive */
@media (max-width: 768px) {
  .modal-overlay {
    padding: var(--s-5);
  }
  
  .modal {
    max-height: 95vh;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--s-6);
  }
  
  .modal-grid,
  .modal-metrics {
    grid-template-columns: 1fr;
  }
  
  .modal-title {
    font-size: var(--h4);
  }
}

@media (max-width: 480px) {
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }
  
  .modal {
    max-height: 92vh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
  }
}