/* Creating LinkedIn Content for the AI, SI, and Agentic Era - Stylesheet */
:root {
  --bg-primary: #070c14;
  --bg-secondary: #0d1624;
  --bg-tertiary: #162438;
  --bg-card: #121d30;
  --bg-card-hover: #192842;
  --bg-input: #09101c;
  --border-color: #213552;
  --border-focus: #0a66c2;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-li-blue: #0a66c2;
  --accent-li-hover: #004182;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-gold: #fbbf24;
  --accent-green: #10b981;
  --accent-red: #ef4444;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --sidebar-width: 300px;
  --coach-width: 340px;
  --header-height: 64px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* App Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 1.5rem;
  max-width: 1680px;
  margin: 0 auto;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-badge {
  background: linear-gradient(135deg, var(--accent-li-blue), var(--accent-cyan));
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-btn {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.header-btn:hover {
  background-color: var(--border-color);
  border-color: var(--accent-li-blue);
}

.btn-primary {
  background-color: var(--accent-li-blue);
  border-color: var(--accent-li-blue);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-li-hover);
  border-color: var(--accent-li-hover);
}

/* Layout */
.app-container {
  display: flex;
  min-height: calc(100vh - var(--header-height));
  max-width: 1680px;
  margin: 0 auto;
}

/* Sidebar Navigation */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  overflow-y: auto;
  padding: 1.25rem 0;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 0 1.25rem 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.progress-bar-container {
  background-color: var(--bg-tertiary);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--accent-li-blue), var(--accent-cyan));
  height: 100%;
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.nav-group {
  padding: 0.75rem 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.nav-link.active {
  background-color: var(--bg-card);
  color: var(--accent-li-blue);
  border-left-color: var(--accent-li-blue);
  font-weight: 600;
}

.nav-link.completed .nav-icon {
  color: var(--accent-green);
}

.nav-num {
  font-size: 0.75rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-link.active .nav-num {
  background-color: var(--accent-li-blue);
  color: #ffffff;
}

.nav-link.completed .nav-num {
  background-color: var(--accent-green);
  color: #ffffff;
}

/* Main Workspace */
.app-main {
  flex: 1;
  padding: 2rem;
  max-width: 1040px;
  min-width: 0;
}

.course-hero {
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.12), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.badge-blue {
  background-color: rgba(10, 102, 194, 0.2);
  color: #38bdf8;
  border-color: rgba(10, 102, 194, 0.4);
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

.badge-amber {
  background-color: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}

.badge-purple {
  background-color: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border-color: rgba(139, 92, 246, 0.4);
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 820px;
}

.thesis-callout {
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--accent-li-blue);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.thesis-text {
  font-style: italic;
  font-weight: 500;
  color: #e2e8f0;
  font-size: 1rem;
}

/* Stage Sections */
.stage-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.stage-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.stage-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.stage-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-li-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stage-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.stage-desc {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Content Cards */
.content-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.content-card:hover {
  border-color: rgba(10, 102, 194, 0.4);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-title-icon {
  color: var(--accent-li-blue);
}

.card-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.prose {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.65;
}

.prose p {
  margin-bottom: 0.85rem;
}

.prose ul, .prose ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose strong {
  color: #ffffff;
}

/* Callout Boxes */
.callout {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  border-left: 4px solid var(--accent-li-blue);
  background-color: var(--bg-secondary);
}

.callout-warning {
  border-left-color: var(--accent-amber);
  background-color: rgba(245, 158, 11, 0.08);
}

.callout-success {
  border-left-color: var(--accent-green);
  background-color: rgba(16, 185, 129, 0.08);
}

.callout-info {
  border-left-color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.08);
}

.callout-danger {
  border-left-color: var(--accent-red);
  background-color: rgba(239, 68, 68, 0.08);
}

.callout-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Grid & Comparison Tables */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  margin: 1rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.mini-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
}

.mini-box-header {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.table-container {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

th {
  background-color: var(--bg-tertiary);
  color: #ffffff;
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

tr:nth-child(even) td {
  background-color: rgba(255, 255, 255, 0.02);
}

tr:hover td {
  background-color: rgba(10, 102, 194, 0.06);
}

/* Multi-OS Code Blocks */
.code-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: 1rem 0;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-tertiary);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.os-tabs {
  display: flex;
  gap: 0.25rem;
}

.os-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.os-tab:hover {
  color: var(--text-primary);
}

.os-tab.active {
  background-color: var(--accent-li-blue);
  color: #ffffff;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--accent-li-blue);
}

pre {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Interactive Checkpoints */
.checkpoint-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.checkpoint-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.checkpoint-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.checkpoint-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.btn-verify {
  background-color: var(--accent-green);
  color: #ffffff;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.2s ease;
}

.btn-verify:hover {
  background-color: #059669;
}

.btn-verify.verified {
  background-color: var(--bg-tertiary);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

/* Interactive AI Readiness Score Calculator */
.calc-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.slider-group {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.slider-val {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-li-blue);
  cursor: pointer;
}

.score-display-box {
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.15), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--accent-li-blue);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.score-number {
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.score-tier-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--accent-li-blue);
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.score-summary-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Stage Navigation Buttons */
.stage-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.btn-nav {
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.btn-nav:hover {
  background-color: var(--border-color);
  border-color: var(--accent-li-blue);
}

.btn-nav-primary {
  background-color: var(--accent-li-blue);
  border-color: var(--accent-li-blue);
  color: #ffffff;
}

.btn-nav-primary:hover {
  background-color: var(--accent-li-hover);
}

/* Orbit LinkedIn Coach Sidebar */
.app-coach {
  width: var(--coach-width);
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.coach-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.coach-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-li-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 0.9rem;
}

.coach-info {
  flex: 1;
}

.coach-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.coach-status {
  font-size: 0.75rem;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
}

.coach-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg {
  max-width: 90%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.45;
}

.msg-bot {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  align-self: flex-start;
  color: var(--text-primary);
}

.msg-user {
  background-color: var(--accent-li-blue);
  color: #ffffff;
  align-self: flex-end;
}

.coach-quick-prompts {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.quick-chip {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quick-chip:hover {
  background-color: var(--bg-card);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.coach-input-container {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
}

.coach-input {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.coach-input:focus {
  outline: none;
  border-color: var(--accent-li-blue);
}

.coach-send-btn {
  background-color: var(--accent-li-blue);
  color: #ffffff;
  border: none;
  padding: 0 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.coach-send-btn:hover {
  background-color: var(--accent-li-hover);
}

/* Responsive */
@media (max-width: 1200px) {
  .app-coach {
    display: none;
  }
}

@media (max-width: 900px) {
  .app-sidebar {
    display: none;
  }
  .app-main {
    padding: 1.25rem;
  }
}


/* Checkpoint Green Checkmark on Menu Items (Right-aligned) */
.nav-item a,
.step-nav-item,
.step-nav-btn,
.nav-item-btn,
.nav-link {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  position: relative !important;
}

.nav-item.completed a::after,
.step-nav-item.completed::after,
.step-nav-btn.completed::after,
.nav-item-btn.completed::after,
.nav-link.completed::after {
  content: " \2713" !important;
  margin-left: auto !important;
  color: #22c55e !important;
  font-weight: 800 !important;
  font-size: 1.15rem !important;
  line-height: 1 !important;
  display: inline-flex !important;
  align-items: center !important;
}