/* ==================== CUSTOM STYLES ==================== */

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Selection color */
::selection {
  background: rgba(99, 102, 241, 0.2);
  color: inherit;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #c7d2fe;
  border-radius: 100px;
}
.dark ::-webkit-scrollbar-thumb {
  background: #312e81;
}

/* Page transitions */
.page-content {
  animation: fadeIn 0.4s ease-out;
}

/* Code block styles */
.code-block {
  position: relative;
  background: #1e1b4b;
  border-radius: 0.75rem;
  overflow: hidden;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
}
.code-block pre {
  padding: 1.5rem;
  overflow-x: auto;
  color: #e0e7ff;
}
.code-block .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.code-block .code-lang {
  font-size: 0.75rem;
  font-weight: 600;
  color: #a5b4fc;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Syntax highlighting */
.code-keyword { color: #c084fc; }
.code-string { color: #34d399; }
.code-comment { color: #6b7280; font-style: italic; }
.code-function { color: #60a5fa; }
.code-decorator { color: #fbbf24; }
.code-number { color: #f472b6; }
.code-class { color: #38bdf8; }

/* Copy button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #a5b4fc;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all 0.2s;
}
.copy-btn:hover {
  background: rgba(255,255,255,0.1);
  color: white;
}
.copy-btn.copied {
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.3);
}

/* Tab styles */
.tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}
.tab-btn.active {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}
.tab-btn:not(.active) {
  color: #6b7280;
  border-color: #e5e7eb;
}
.dark .tab-btn:not(.active) {
  color: #9ca3af;
  border-color: #374151;
}
.tab-btn:not(.active):hover {
  color: #4f46e5;
  border-color: #a5b4fc;
}

/* Wizard stepper */
.wizard-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.wizard-step:hover {
  background: rgba(99, 102, 241, 0.05);
}
.wizard-step.active {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.2);
}
.wizard-step.completed .step-number {
  background: linear-gradient(135deg, #10b981, #059669);
}
.wizard-step .step-number {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all 0.2s;
}
.wizard-step.active .step-number {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}
.wizard-step:not(.active):not(.completed) .step-number {
  background: #f3f4f6;
  color: #9ca3af;
}
.dark .wizard-step:not(.active):not(.completed) .step-number {
  background: #1f2937;
  color: #6b7280;
}

/* Score gauge */
.score-ring {
  position: relative;
  width: 160px;
  height: 160px;
}
.score-ring svg {
  transform: rotate(-90deg);
}
.score-ring circle {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}
.score-ring .bg-circle {
  stroke: #e5e7eb;
}
.dark .score-ring .bg-circle {
  stroke: #374151;
}
.score-ring .progress-circle {
  stroke: url(#scoreGradient);
  transition: stroke-dashoffset 1.5s ease-out;
}
.score-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Keyword chart bar */
.keyword-bar {
  height: 1.5rem;
  border-radius: 0.25rem;
  background: linear-gradient(90deg, #6366f1, #818cf8);
  transition: width 1s ease-out;
}

/* Blur lock overlay */
.lock-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  border-radius: inherit;
}
.dark .lock-overlay {
  background: rgba(3,7,18,0.75);
}

/* Progress bar loading animation */
.progress-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Architecture diagram */
.arch-node {
  padding: 0.75rem 1.25rem;
  background: white;
  border: 2px solid #e0e7ff;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  transition: all 0.2s;
  position: relative;
}
.dark .arch-node {
  background: #1e1b4b;
  border-color: #312e81;
  color: #c7d2fe;
}
.arch-node:hover {
  border-color: #6366f1;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
}
.arch-arrow {
  color: #a5b4fc;
  font-size: 1.5rem;
  line-height: 1;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  background: #1e1b4b;
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* Responsive table wrapper */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Checklist items */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
}
.checklist-item .check-icon {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.375rem;
  background: linear-gradient(135deg, #10b981, #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Queue monitor animation */
.queue-item {
  animation: slideIn 0.4s ease-out forwards;
  opacity: 0;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Faculty table row hover */
.faculty-row {
  transition: all 0.15s;
}
.faculty-row:hover {
  background: rgba(99, 102, 241, 0.04);
}
.dark .faculty-row:hover {
  background: rgba(99, 102, 241, 0.08);
}