/* ==========================================================================
   APPLETREE INFOTECH - UI COMPONENTS CSS
   Code blocks, Syllabus timelines, Accessible Accordions, Forms, Tables, Maps
   ========================================================================== */

/* Code Blocks - Modern Dark Slate Aesthetic */
.code-block {
  background: #080d1a;
  border: 1px solid #1e293b;
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  position: relative;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0f172a;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid #1e293b;
  font-size: 0.8rem;
  color: #94a3b8;
  font-family: var(--font-mono);
}

.code-lang-badge {
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent-light);
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.btn-copy-code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #cbd5e1;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-copy-code:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

pre {
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
  color: #e2e8f0;
  margin: 0;
  scrollbar-width: thin;
  scrollbar-color: #334155 #080d1a;
}

pre::-webkit-scrollbar {
  height: 6px;
}
pre::-webkit-scrollbar-track {
  background: #080d1a;
}
pre::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: #f1f5f9;
  color: #0f172a;
  padding: 0.2em 0.45em;
  border-radius: var(--radius-xs);
  border: 1px solid #e2e8f0;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
  border: none;
}

/* Callout Alert Boxes */
.callout {
  border-left: 4px solid var(--color-accent);
  background: #f0f9ff;
  padding: 1.1rem 1.35rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border-top: 1px solid rgba(2, 132, 199, 0.1);
  border-right: 1px solid rgba(2, 132, 199, 0.1);
  border-bottom: 1px solid rgba(2, 132, 199, 0.1);
}

.callout-title {
  font-weight: 700;
  color: #0369a1;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1rem;
}

.callout-success {
  border-left-color: var(--color-success);
  background: var(--color-success-bg);
  border-color: rgba(16, 185, 129, 0.15);
}
.callout-success .callout-title {
  color: var(--color-success);
}

.callout-warning {
  border-left-color: var(--color-warning);
  background: var(--color-warning-bg);
  border-color: rgba(245, 158, 11, 0.15);
}
.callout-warning .callout-title {
  color: #b45309;
}

/* Accessible Accordions (details / summary) */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

details.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

details.accordion-item:hover {
  border-color: #cbd5e1;
}

details.accordion-item[open] {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
}

details.accordion-item summary {
  padding: 1rem 1.4rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  user-select: none;
  transition: background-color var(--transition-fast);
}

details.accordion-item summary:hover {
  background-color: #f8fafc;
}

details.accordion-item summary::-webkit-details-marker {
  display: none;
}

details.accordion-item summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
  margin-left: var(--space-4);
  flex-shrink: 0;
}

details.accordion-item[open] summary::after {
  transform: rotate(-135deg);
}

.accordion-body {
  padding: 0 1.4rem 1.25rem 1.4rem;
  color: var(--color-text-muted);
  border-top: 1px solid transparent;
  line-height: 1.65;
}

details.accordion-item[open] .accordion-body {
  border-top-color: var(--color-surface-muted);
  padding-top: 1rem;
}

/* Syllabus Modules */
.syllabus-container {
  margin: var(--space-8) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.syllabus-module {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.syllabus-module:hover {
  border-color: rgba(2, 132, 199, 0.3);
  box-shadow: var(--shadow-md);
}

.module-header {
  padding: 1rem 1.5rem;
  background: linear-gradient(to right, #f8fafc, #ffffff);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.module-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0;
}

.module-duration {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  background: #f0f9ff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid #bae6fd;
}

.module-content {
  padding: 1.25rem 1.5rem;
}

.module-topics {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .module-topics {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem 1.5rem;
  }
}

.topic-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.topic-bullet {
  color: var(--color-accent);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1;
  margin-top: 2px;
}

/* Comparison Tables - Fully Responsive & Zebra Styled */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
  background: var(--color-surface);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  min-width: 600px;
}

.comparison-table th {
  background: linear-gradient(90deg, #070c18 0%, #0f172a 100%);
  color: #ffffff;
  padding: 1rem 1.2rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.comparison-table td {
  padding: 0.85rem 1.2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.comparison-table tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

.comparison-table tbody tr:hover {
  background-color: #f0f9ff;
}

/* Interview Question Cards */
.interview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.interview-card:hover {
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: var(--shadow-md);
}

.interview-q-badge {
  display: inline-block;
  font-size: 0.725rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.interview-q-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-4);
  line-height: 1.35;
}

.interview-section-label {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  display: block;
}

.interview-pro-tip {
  background: #ecfdf5;
  border-left: 4px solid var(--color-success);
  padding: 0.85rem 1.1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.925rem;
  color: #065f46;
  margin: var(--space-4) 0;
}

.interview-mistake {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 0.85rem 1.1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.925rem;
  color: #991b1b;
  margin: var(--space-4) 0;
}

/* Career Roadmap Visual Tree */
.roadmap-timeline {
  position: relative;
  padding-left: clamp(2rem, 5vw, 2.75rem);
  margin: var(--space-8) 0;
}

.roadmap-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 14px;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-brand-blue) 100%);
  border-radius: var(--radius-full);
}

.roadmap-step {
  position: relative;
  margin-bottom: var(--space-8);
}

.roadmap-step-marker {
  position: absolute;
  left: -38px;
  top: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  box-shadow: 0 0 0 4px #ffffff, 0 0 0 7px rgba(2, 132, 199, 0.25);
  z-index: 2;
}

.roadmap-step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.1rem, 2vw, 1.5rem);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.roadmap-step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(2, 132, 199, 0.3);
}

.roadmap-step-card h4 {
  margin-top: 0;
  color: var(--color-primary-dark);
}

.roadmap-skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.roadmap-tag {
  background: #f1f5f9;
  color: var(--color-text-main);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid #e2e8f0;
}

/* Forms & Validation - Clean & High Contrast */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.925rem;
  color: var(--color-text-main);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text-main);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.form-control[aria-invalid="true"] {
  border-color: #ef4444;
  background-color: #fff5f5;
}

.form-error-msg {
  display: none;
  color: #dc2626;
  font-size: 0.85rem;
  margin-top: var(--space-1);
  font-weight: 600;
}

.form-error-msg.visible {
  display: block;
}

.form-success-banner {
  display: none;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-weight: 600;
}

.form-success-banner.visible {
  display: block;
}

/* Local Training Center Card */
.location-hero-card {
  background: 
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.15) 0%, transparent 45%),
    linear-gradient(145deg, #070c18 0%, #0d1733 60%, #070c18 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  box-shadow: var(--shadow-xl);
  margin: var(--space-8) 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.location-hero-card h2, .location-hero-card h3 {
  color: #ffffff;
}

.location-hero-card p {
  color: #cbd5e1;
}

.location-badge {
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  display: inline-block;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.location-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.775rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.spec-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 3px;
}