/* ==========================================================================
   CLAUDE ARCHITECTURE & GUIDE SYSTEM (claude.css)
   thomascherickal.github.io
   Dedicated stylesheet for Claude deep dive guides, subagent orchestration,
   Claude Code workflows, MCP protocols, and multi-agent interactive simulators.
   ========================================================================== */

:root {
  --claude-accent: #d97757;
  --claude-light: #f38b6c;
  --claude-surface: rgba(217, 119, 87, 0.08);
  --claude-border: rgba(217, 119, 87, 0.32);
  --claude-glow: 0 0 24px rgba(217, 119, 87, 0.25);
}

/* Claude Guide Hero Header & Metadata */
.hero-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  display: block;
}

.hero-badge {
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--claude-accent);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.hero-byline {
  font-size: 0.92rem;
  color: var(--text-muted, #94a3b8);
  margin-bottom: 1rem;
}

.hero-byline strong {
  color: #f8fafc;
}

.hero-byline .reading {
  color: #64748b;
  font-size: 0.85rem;
  display: inline-block;
  margin-left: 0.5rem;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 1.15rem;
}

.pill {
  font-size: 0.78rem;
  font-family: var(--font-mono, monospace);
  padding: 4px 14px;
  border-radius: 999px;
  color: #e2e8f0;
  background: rgba(217, 119, 87, 0.1);
  border: 1px solid var(--claude-border);
  transition: all 0.2s ease;
}

.pill:hover {
  border-color: var(--claude-accent);
  color: #ffffff;
}

/* Claude Guide Prose & Figures */
.article-p {
  color: #e2e8f0;
  font-size: 0.98rem;
  margin-bottom: 1.15rem;
  line-height: 1.8;
}

.article-p a {
  color: var(--cyan, #38bdf8);
  text-decoration: underline;
  text-decoration-color: rgba(56, 189, 248, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.article-p a:hover {
  color: var(--gold, #fbbf24);
  text-decoration-color: var(--gold, #fbbf24);
}

figcaption.article-figcaption {
  color: var(--text-muted, #94a3b8);
  font-size: 0.85rem;
  font-style: italic;
  margin-top: 0.75rem;
  text-align: center;
}

figcaption.article-figcaption b {
  color: var(--gold, #fbbf24);
  font-style: normal;
}

/* Level Badges */
.level {
  display: inline-block;
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--border, rgba(56, 189, 248, 0.2));
  border-radius: 999px;
  padding: 2px 9px;
  margin-right: 8px;
  vertical-align: middle;
}

.lv-b {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.35);
  background: rgba(74, 222, 128, 0.08);
}

.lv-e {
  color: var(--gold, #fbbf24);
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.08);
}

/* Cards & Architecture Keys */
.cards {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-left: 4px solid var(--claude-accent);
  border-radius: 12px;
  padding: 1.4rem 1.65rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.card.k1 { border-left-color: var(--claude-accent); }
.card.k2 { border-left-color: var(--gold, #fbbf24); }
.card.k3 { border-left-color: #34d399; }
.card.k4 { border-left-color: #a5b4fc; }
.card.k5 { border-left-color: #f472b6; }
.card.green { border-left-color: #34d399; }
.card.gold { border-left-color: var(--gold, #fbbf24); }
.card.violet { border-left-color: #a5b4fc; }
.card.pink { border-left-color: #f472b6; }

.card .tag {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold, #fbbf24);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono, monospace);
}

.card h3, .card h4 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-secondary, #e2e8f0);
  line-height: 1.65;
  margin: 0;
}

/* Loop & Step Progression */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.loop-step {
  position: relative;
  padding-left: 4.5rem;
  margin-bottom: 2rem;
}

.loop-step .step-badge {
  position: absolute;
  left: 1.5rem;
  top: 1.5rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(217, 119, 87, 0.15);
  border: 1px solid var(--claude-accent);
  color: var(--claude-accent);
  font-family: var(--font-mono, monospace);
  font-weight: 800;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loop-step.s1 .step-badge { border-color: var(--cyan, #38bdf8); color: var(--cyan, #38bdf8); }
.loop-step.s2 .step-badge { border-color: var(--claude-accent); color: var(--claude-accent); }
.loop-step.s3 .step-badge { border-color: var(--gold, #fbbf24); color: var(--gold, #fbbf24); }
.loop-step.s4 .step-badge { border-color: #34d399; color: #34d399; }

/* Interactive Widgets & Cost Simulators */
.widget {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  margin: 1.5rem 0;
}

.widget h4 {
  font-size: 1.1rem;
  color: var(--cyan, #38bdf8);
  margin-bottom: 0.45rem;
}

.widget .wdesc {
  font-size: 0.88rem;
  color: var(--text-muted, #94a3b8);
  line-height: 1.6;
}

.formula {
  font-family: var(--font-mono, monospace);
  font-size: 0.95rem;
  color: var(--gold, #fbbf24);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: 8px;
  padding: 0.85rem 1.15rem;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field label {
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  color: var(--cyan, #38bdf8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field select,
.field input {
  background: rgba(6, 9, 18, 0.9);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  color: #ffffff;
  font-family: var(--font-body, sans-serif);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.field select:focus,
.field input:focus {
  border-color: var(--cyan, #38bdf8);
}

.seg {
  display: inline-flex;
  background: rgba(6, 9, 18, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 8px;
  padding: 3px;
  gap: 4px;
}

.seg button {
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  color: var(--text-muted, #94a3b8);
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.seg button[aria-pressed="true"] {
  background: var(--claude-accent);
  color: #ffffff;
  font-weight: 700;
}

/* Output Data Boxes */
.out {
  background: #040711;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
}

.out .kv {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.out .kv:last-child {
  border-bottom: 0;
}

.out .big {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold, #fbbf24);
}

/* App & Check Lists */
ul.apps {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.85rem;
}

ul.apps li {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

ul.apps strong {
  color: var(--claude-accent);
}

ul.checks {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

ul.checks li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.65rem;
  color: var(--text-secondary, #e2e8f0);
}

ul.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #34d399;
  font-weight: 800;
}

/* SVG Vector Diagram Styles */
.svg-box { fill: #111827; stroke: #1f2937; stroke-width: 1.2; }
.svg-line { stroke: #64748b; stroke-width: 1.6; fill: none; }
.svg-accent { stroke: var(--claude-accent); stroke-width: 2; fill: none; }
.svg-green { stroke: #34d399; stroke-width: 2; fill: none; }
.svg-dash { stroke: var(--gold, #fbbf24); stroke-width: 2; fill: none; stroke-dasharray: 6 5; }
.svg-label { fill: #94a3b8; font-family: var(--font-mono, monospace); font-size: 12px; }
.svg-t { fill: #f8fafc; font-family: var(--font-main, sans-serif); font-size: 13px; font-weight: 600; }
.svg-mono { font-family: var(--font-mono, monospace); font-size: 12px; }
.svg-chip { fill: rgba(217, 119, 87, 0.15); stroke: var(--claude-accent); stroke-width: 1; }

svg .ac { stroke: var(--claude-accent); }
svg .ah { stroke: var(--cyan, #38bdf8); }
svg .al { stroke: #34d399; }
svg .bar { fill: var(--claude-accent); }
svg .bx { fill: #0f172a; stroke: rgba(56, 189, 248, 0.25); }
svg .dot { fill: var(--gold, #fbbf24); }
svg .g { stroke: #34d399; }
svg .ln { stroke: #64748b; fill: none; }
svg .s { fill: #94a3b8; }
svg .t { fill: #ffffff; }

/* Code Window Header Dots */
.code-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.code-dot.red { background: #ef4444; }
.code-dot.yellow { background: #eab308; }
.code-dot.green { background: #22c55e; }

/* ==========================================================================
   RESPONSIVE DESIGN (claude.css)
   ========================================================================== */

@media (max-width: 1024px) {
  .loop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .loop-step {
    padding-left: 3.5rem;
  }

  .loop-step .step-badge {
    left: 1rem;
    top: 1.25rem;
  }

  .loop-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .widget {
    padding: 1.15rem 1rem;
  }

  .formula {
    font-size: 0.85rem;
    padding: 0.65rem 0.85rem;
  }

  .pills {
    gap: 6px;
  }

  .pill {
    font-size: 0.74rem;
    padding: 3px 10px;
  }

  .hero-logo {
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .loop-step {
    padding-left: 0;
    padding-top: 3.25rem;
  }

  .loop-step .step-badge {
    left: 0;
    top: 0;
  }

  .out .kv {
    flex-direction: column;
    gap: 0.25rem;
  }

  .out .big {
    font-size: 1.25rem;
  }
}