/* ═══════════════════════════════════════════════════════════════
   unigate.sh — pi.dev-inspired minimal design
   Dual theme: Dark / Cursor Yellow
   ═══════════════════════════════════════════════════════════════ */

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

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.25s ease;
  --content-width: 640px;
}

/* ── Dark Theme ─────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg: #0b0b0f;
  --text: #c8c8d0;
  --text-muted: #6a6a80;
  --heading: #e4e4eb;
  --accent: #7c6aff;
  --accent-dim: rgba(124, 106, 255, 0.12);
  --link: #8b7dff;
  --link-hover: #a99bff;
  --border: rgba(255, 255, 255, 0.07);
  --code-bg: rgba(255, 255, 255, 0.05);
  --code-text: #b0a8e8;
  --install-bg: rgba(124, 106, 255, 0.06);
  --install-border: rgba(124, 106, 255, 0.15);
  --terminal-bg: #16161e;
  --terminal-chrome: #1f1f2e;
  --terminal-text: #c8c8d0;
  --terminal-muted: #6a6a80;
  --terminal-prompt: #00d4aa;
  --footer-text: #44445a;
}

/* ── Cursor Yellow Theme ────────────────────────────────────── */
[data-theme="cursor"] {
  --bg: #fefcf3;
  --text: #4a4a5a;
  --text-muted: #8a8a98;
  --heading: #1a1a2e;
  --accent: #c49000;
  --accent-dim: rgba(196, 144, 0, 0.08);
  --link: #a07800;
  --link-hover: #7a5c00;
  --border: rgba(0, 0, 0, 0.07);
  --code-bg: rgba(0, 0, 0, 0.04);
  --code-text: #8a6c10;
  --install-bg: rgba(196, 144, 0, 0.05);
  --install-border: rgba(196, 144, 0, 0.15);
  --terminal-bg: #1a1a2e;
  --terminal-chrome: #262640;
  --terminal-text: #cdd6f4;
  --terminal-muted: #7a7a98;
  --terminal-prompt: #a6e3a1;
  --footer-text: #b0b0b8;
}

/* ── Base ───────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--link-hover);
}

code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
}

::selection {
  background: var(--accent-dim);
}

/* ── Page Container ─────────────────────────────────────────── */
.page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding-top: 120px;
  margin-bottom: 80px;
  text-align: center;
}

.logo {
  color: var(--accent);
  margin-bottom: 40px;
}

.logo svg {
  width: 64px;
  height: 64px;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-bottom: 40px;
  font-size: 0.9rem;
}

.hero-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.hero-links a:hover {
  color: var(--text);
}

.theme-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all var(--transition);
  line-height: 1;
}

.theme-btn:hover {
  color: var(--accent);
}

/* ── Install Block ──────────────────────────────────────────── */
.install-block {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--install-bg);
  border: 1px solid var(--install-border);
  border-radius: 8px;
  padding: 14px 20px;
  margin-bottom: 32px;
  text-align: left;
}

.install-block code {
  font-size: 0.85rem;
  background: none;
  padding: 0;
  color: var(--text);
  white-space: nowrap;
  flex: 1;
  overflow-x: auto;
}

.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 6px;
  transition: all var(--transition);
  flex-shrink: 0;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ── Terminal ───────────────────────────────────────────────── */
.terminal {
  background: #2a2a3c;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin-bottom: 0;
  text-align: left;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.terminal-body {
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  height: 280px;
  color: #cdd6f4;
}



.term-highlight {
  color: #f9e2af;
  font-weight: 500;
}

.term-success {
  color: #a6e3a1;
}



.term-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prompt {
  color: var(--terminal-prompt);
  font-weight: 600;
}

.cmd {
  color: var(--terminal-text);
}

.caret {
  color: var(--terminal-prompt);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.term-out {
  color: var(--terminal-muted);
  font-size: 0.78rem;
  padding-left: 22px;
  margin-bottom: 6px;
}

.hidden { display: none; }

/* ── Content ────────────────────────────────────────────────── */
.content {
  padding-bottom: 80px;
}

.content h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--heading);
  margin-top: 48px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.content h2:first-child {
  margin-top: 64px;
}

.content p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 12px;
}

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 8px;
  overflow-x: auto;
}

.code-block code {
  font-size: 0.8rem;
  background: none;
  padding: 0;
  color: var(--text);
  white-space: nowrap;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}

.footer p {
  font-size: 0.8rem;
  color: var(--footer-text);
}

.footer a {
  color: var(--footer-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer a:hover {
  color: var(--text);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .page {
    padding: 0 20px;
  }

  .hero {
    padding-top: 48px;
  }

  .install-block {
    padding: 10px 12px;
  }

  .install-block code {
    font-size: 0.72rem;
  }
}