/* TermBlade Documentation Site — Styles */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-code: #0d1117;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #3fb950;
  --accent-light: #56d364;
  --accent-dark: #238636;
  --border: #30363d;
  --terminal-red: #ff5f57;
  --terminal-yellow: #febc2e;
  --terminal-green: #28c840;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "Fira Code", Consolas, monospace;
  --radius: 8px;
  --max-width: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-light); }

code { font-family: var(--font-mono); font-size: 0.9em; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* ---- Learning pages ---- */
.section-heading { max-width: 720px; margin: 0 auto 2rem; text-align: center; }
.section-heading > p:last-child { color: var(--text-secondary); }
.eyebrow { color: var(--accent); font-family: var(--font-mono); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.learning-hub { padding-top: 4.5rem; }
.learning-grid, .guide-grid, .example-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.learning-card, .guide-card, .example-card {
  background: linear-gradient(145deg, rgba(28, 33, 40, .98), rgba(22, 27, 34, .98));
  border: 1px solid var(--border); border-radius: 14px; color: var(--text-primary); display: flex; flex-direction: column;
  min-height: 210px; padding: 1.4rem; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.learning-card:hover, .guide-card:hover, .example-card:hover { border-color: var(--accent); box-shadow: 0 14px 32px rgba(0, 0, 0, .24); color: var(--text-primary); transform: translateY(-3px); }
.learning-icon { color: var(--accent); font-family: var(--font-mono); font-size: .85rem; font-weight: 800; }
.learning-card h3, .guide-card h3, .example-card h3 { margin: .8rem 0 .35rem; }
.learning-card p, .guide-card p, .example-card p { color: var(--text-secondary); flex: 1; font-size: .92rem; }
.learning-card > span:last-child, .guide-card > span:last-child { color: var(--accent); font-size: .9rem; font-weight: 700; margin-top: 1rem; }
.learning-hero { padding: 8rem 0 3.5rem; background: radial-gradient(ellipse at 20% 0%, rgba(63, 185, 80, .12), transparent 56%); }
.learning-hero .hero-content { max-width: 900px; text-align: left; }
.learning-hero h1 { font-size: clamp(2.25rem, 6vw, 4.25rem); letter-spacing: -.04em; line-height: 1.04; max-width: 780px; }
.learning-hero p { color: var(--text-secondary); font-size: 1.1rem; margin-top: 1rem; max-width: 720px; }
.path-nav { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.5rem; }
.path-nav a { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 999px; color: var(--text-secondary); font-size: .86rem; padding: .4rem .75rem; }
.path-nav a:hover { border-color: var(--accent); color: var(--accent); }
.tutorial-layout { display: grid; gap: 2rem; grid-template-columns: 210px minmax(0, 1fr); }
.tutorial-toc { align-self: start; position: sticky; top: 84px; }
.tutorial-toc a { color: var(--text-secondary); display: block; font-size: .88rem; padding: .35rem 0; }
.tutorial-toc a:hover { color: var(--accent); }
.tutorial-content { max-width: 800px; }
.tutorial-step { border-top: 1px solid var(--border); padding: 2.25rem 0; scroll-margin-top: 84px; }
.tutorial-step:first-child { border-top: 0; padding-top: 0; }
.tutorial-step h2 { font-size: 1.7rem; margin-bottom: .65rem; }
.tutorial-step p, .tutorial-step li { color: var(--text-secondary); }
.tutorial-step ul { margin: .75rem 0 0 1.2rem; }
.callout { background: rgba(63, 185, 80, .08); border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-secondary); margin: 1.25rem 0; padding: .9rem 1rem; }
.code-heading { align-items: center; color: var(--text-muted); display: flex; font-family: var(--font-mono); font-size: .78rem; justify-content: space-between; margin-top: 1rem; }
.copy-button { background: transparent; border: 1px solid var(--border); border-radius: 5px; color: var(--text-secondary); cursor: pointer; font: inherit; padding: .25rem .5rem; }
.copy-button:hover { border-color: var(--accent); color: var(--accent); }
.example-meta { color: var(--text-muted); font-family: var(--font-mono); font-size: .76rem; margin-bottom: .7rem; }
.example-card code { background: var(--bg-code); border: 1px solid var(--border); border-radius: 5px; color: #a5d6ff; display: block; font-size: .76rem; margin-top: 1rem; overflow-wrap: anywhere; padding: .55rem; white-space: pre-wrap; }
.page-footer-space { min-height: 2rem; }

@media (max-width: 850px) {
  .learning-grid, .guide-grid, .example-grid { grid-template-columns: 1fr 1fr; }
  .tutorial-layout { grid-template-columns: 1fr; }
  .tutorial-toc { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; position: static; }
}

@media (max-width: 560px) {
  .learning-grid, .guide-grid, .example-grid { grid-template-columns: 1fr; }
  .learning-hero { padding-top: 6.5rem; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all .2s;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent-dark);
  color: #fff;
  border-color: var(--accent-dark);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 0.8rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: 0.35rem 0.9rem; font-size: 0.85rem; }

.icon { width: 1em; height: 1em; }

/* ---- Navbar ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}
.nav-logo { height: 32px; width: 32px; }
.nav-title { display: inline; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero ---- */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(63,185,80,0.08) 0%, transparent 60%);
}
.hero-content { max-width: 780px; margin: 0 auto; }
.hero-mark { filter: drop-shadow(0 14px 38px rgba(63, 185, 80, .18)); height: 92px; margin-bottom: 1.25rem; width: 92px; }
.hero-title { display: block; font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 800; letter-spacing: -.06em; line-height: 1; margin-bottom: .75rem; }
.accent { color: var(--accent); }
.hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-style: italic;
}
.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 3rem; }

/* ---- Terminal block ---- */
.hero-terminal {
  max-width: 600px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  text-align: left;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-secondary);
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: var(--terminal-red); }
.terminal-dot.yellow { background: var(--terminal-yellow); }
.terminal-dot.green { background: var(--terminal-green); }
.terminal-title {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-right: 42px;
}
.terminal-body {
  padding: 1rem 1.25rem;
  background: var(--bg-code);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-x: auto;
}
.terminal-body .prompt { color: var(--accent); }
.terminal-body .output { color: var(--text-muted); }

/* ---- Sections ---- */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-secondary); }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
}
.section-action {
  margin-top: 1rem;
  text-align: center;
}

/* ---- Features ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover { border-color: var(--accent-dark); transform: translateY(-2px); }
.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---- Steps ---- */
.step { margin-bottom: 2.5rem; }
.step h3 { font-size: 1.2rem; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.75rem; }
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-dark);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- Code blocks ---- */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}
.code-block .kw { color: #ff7b72; }
.code-block .str { color: #a5d6ff; }
.code-block .num { color: #79c0ff; }
.code-block .comment { color: var(--text-muted); }
.code-block .prompt { color: var(--accent); }

/* ---- Table ---- */
.table-wrapper { overflow-x: auto; }
.components-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.components-table th,
.components-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.components-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
}
.components-table td code {
  background: var(--bg-code);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent);
  border: 1px solid var(--border);
}

/* ---- Footer ---- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer-content { text-align: center; }
.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.footer-logo { height: 28px; }
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text-primary); }
.footer-copy { color: var(--text-muted); font-size: 0.8rem; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero { padding: 6rem 0 3rem; }
  .hero-title { font-size: 2.5rem; }
  .hero-tagline { font-size: 1.05rem; }
  .hero-description { font-size: 0.95rem; }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
  .section { padding: 3rem 0; }
  .section-title { font-size: 1.6rem; margin-bottom: 2rem; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 0.75rem;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-title { display: inline; }
  .nav-toggle { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .code-block { font-size: 0.8rem; padding: 1rem 1.125rem; }
  .step h3 { font-size: 1.05rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero { padding: 5rem 0 2rem; }
  .section { padding: 2rem 0; }
  .section-title { font-size: 1.35rem; }
  .feature-card { padding: 1.25rem; }
  .hero-terminal {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  .terminal-body { font-size: 0.8rem; }
  .components-table { font-size: 0.85rem; }
  .components-table th,
  .components-table td { padding: 0.6rem 0.75rem; }
  .btn-lg { padding: 0.7rem 1.5rem; font-size: 1rem; }
}

/* ── Showcase ─────────────────────────────────────────── */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(560px, 1fr));
  gap: 2rem;
}

.showcase-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.showcase-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1rem;
  background: #1a1a2e;
  border-bottom: 1px solid var(--border);
}

.showcase-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.showcase-dot.red    { background: #ff5f57; }
.showcase-dot.yellow { background: #febc2e; }
.showcase-dot.green  { background: #28c840; }

.showcase-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.showcase-img {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--border);
}

.showcase-caption {
  padding: 1rem 1.25rem 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.showcase-cmd {
  margin: 0.75rem 1.25rem 1.25rem;
  border-radius: 6px;
}

@media (max-width: 640px) {
  .showcase-grid { grid-template-columns: 1fr; }
}