/* ============================================
   PLAYBOOKS - CLI/Terminal Aesthetic
   Inspired by Claude Code & Gemini CLI
   ============================================ */

:root {
  /* Terminal Colors */
  --bg-terminal: #0a0a0a;
  --bg-panel: #111111;
  --bg-input: #0d0d0d;
  --bg-hover: #1a1a1a;
  --bg-selected: #1f1f1f;

  --text-primary: #e0e0e0;
  --text-secondary: #888888;
  --text-muted: #555555;
  --text-bright: #ffffff;

  /* Terminal accent colors */
  --accent-cyan: #00d4aa;
  --accent-blue: #5c9aff;
  --accent-yellow: #f0c040;
  --accent-magenta: #c792ea;
  --accent-green: #98c379;
  --accent-red: #e06c75;

  /* Borders */
  --border: #2a2a2a;
  --border-bright: #404040;

  /* Typography - Monospace first */
  --font-mono: "JetBrains Mono", "Fira Code", "Consolas", "Monaco", monospace;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --sidebar-width: 260px;
  --content-max: 800px;

  /* Transitions */
  --transition: 120ms ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-terminal);
  color: var(--text-primary);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--accent-cyan);
  color: var(--bg-terminal);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-terminal);
}

::-webkit-scrollbar-thumb {
  background: var(--border-bright);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   Layout
   ============================================ */

.app {
  display: flex;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ============================================
   Sidebar - Terminal Panel
   ============================================ */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo::before {
  content: "$";
  color: var(--text-muted);
}

.tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-style: italic;
}

.nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section {
  padding: 0 12px;
}

.nav-title {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 8px 4px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-title::before {
  content: ">";
  color: var(--accent-yellow);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
  border-left: 2px solid transparent;
}

.nav-item::before {
  content: "○";
  font-size: 0.6rem;
  color: var(--text-muted);
}

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

.nav-item:hover::before {
  color: var(--accent-cyan);
}

.nav-item.active {
  background: var(--bg-selected);
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
}

.nav-item.active::before {
  content: "●";
  color: var(--accent-cyan);
}

/* ============================================
   Main Content
   ============================================ */

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-terminal);
}

.view {
  padding: 40px 48px;
  max-width: calc(var(--content-max) + 96px);
}

.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-header h1::before {
  content: "#";
  color: var(--accent-cyan);
  font-weight: 400;
}

.subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  max-width: 600px;
  line-height: 1.5;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  transition: var(--transition);
}

.back-link::before {
  content: "<";
  color: var(--accent-yellow);
}

.back-link:hover {
  color: var(--accent-cyan);
}

/* ============================================
   Project Meta Badges
   ============================================ */

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.meta-badge {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-panel);
  padding: 4px 10px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.meta-badge:hover {
  border-color: var(--border-bright);
  color: var(--text-primary);
}

a.meta-badge {
  color: var(--accent-cyan);
}

a.meta-badge:hover {
  background: var(--bg-hover);
}

/* ============================================
   Playbook List - Terminal Style
   ============================================ */

.playbooks-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.playbook-card {
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  padding: 16px 20px;
  transition: var(--transition);
}

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

.playbook-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.playbook-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}

.playbook-card h3::before {
  content: "→";
  color: var(--accent-yellow);
  font-weight: 400;
}

.playbook-card-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.playbook-card-tldr {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  line-height: 1.5;
}

/* ============================================
   Timestamp Badge - Terminal Style
   ============================================ */

.timestamp {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-blue);
  background: transparent;
  padding: 2px 0;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.timestamp::before {
  content: "[";
  color: var(--text-muted);
}

.timestamp::after {
  content: "]";
  color: var(--text-muted);
}

.timestamp:hover {
  color: var(--accent-cyan);
}

.timestamp:hover::before,
.timestamp:hover::after {
  color: var(--accent-cyan);
}

/* ============================================
   Playbook Content Page
   ============================================ */

.playbook-content {
  max-width: var(--content-max);
}

.playbook-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.playbook-header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.playbook-header h1::before {
  content: ">";
  color: var(--accent-cyan);
  font-weight: 400;
}

.playbook-header .title {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.playbook-start {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.playbook-start::before {
  content: "$";
  color: var(--accent-yellow);
}

/* Sketch Note */
.sketch-note {
  margin: 28px 0;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 12px;
}

.sketch-note img {
  width: 100%;
  opacity: 0.95;
}

/* TL;DR Block */
.tldr {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  padding: 16px 20px;
  margin: 28px 0;
}

.tldr-label {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tldr-label::before {
  content: "//";
  color: var(--text-muted);
}

.tldr p {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
}

/* Content Sections */
.content-section {
  margin: 36px 0;
}

.content-section h2 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.content-section h2::before {
  content: "##";
  color: var(--text-muted);
  font-weight: 400;
}

/* Insights */
.insight {
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.insight-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.insight h3 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-bright);
}

.insight h3::before {
  content: "•";
  color: var(--accent-green);
  margin-right: 8px;
}

.insight p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  line-height: 1.6;
}

/* Systems */
.system {
  margin-bottom: 28px;
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
}

.system h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.system h3::before {
  content: "fn";
  color: var(--accent-magenta);
  font-weight: 400;
  font-style: italic;
}

.system ol {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.system li {
  counter-increment: steps;
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  line-height: 1.5;
}

.system li::before {
  content: counter(steps) ".";
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  min-width: 20px;
}

.system-tools {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.system-tools::before {
  content: "// tools:";
  color: var(--accent-yellow);
  margin-right: 8px;
}

/* Deep Dives */
.deep-dive {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  padding: 12px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
}

.deep-dive-content {
  flex: 1;
}

.deep-dive h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.deep-dive h4::before {
  content: "↳";
  color: var(--accent-magenta);
  margin-right: 8px;
}

.deep-dive p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
  line-height: 1.5;
}

/* Tools List */
.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-badge {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-panel);
  padding: 4px 10px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.tool-badge:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }

  .main {
    margin-left: 0;
  }

  .view {
    padding: 24px 20px;
  }

  .playbook-header h1 {
    font-size: 1.2rem;
  }

  .insight-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}