/*
 * VelaReach BYO Guides — shared design system.
 *
 * Referenced by index.html and 10 platform-specific guide pages. Lives
 * next to the HTML files so any static host (Cloudflare Pages, Vercel,
 * Netlify, S3) serves it at assets/byo-guides.css with zero config.
 *
 * Tailwind is still loaded via CDN for utility classes; this file adds
 * custom VelaReach tokens, mockup frames, and print styles.
 */

:root {
  --violet: #7C5CFC;
  --violet-dim: rgba(124, 92, 252, 0.15);
  --cyan: #2BC4A8;
  --amber: #F0A830;
  --brand-navy-950: #050B26;
  --brand-cyan: #5DD5F0;
  --brand-cyan-soft: rgba(93, 213, 240, 0.16);
  --brand-star: #B9E8FF;
  --brand-ice: #E8F4FF;
  --brand-frost: rgba(232, 244, 255, 0.7);
  --brand-smoke: rgba(232, 244, 255, 0.45);
  --brand-grad: linear-gradient(135deg, #1E40FF 0%, #2E80FF 45%, #5DD5F0 100%);
  --wind-strong: #34D399;
  --wind-becalmed: #FBBF24;
  --wind-drifting: #F87171;
}

html, body {
  background: radial-gradient(ellipse at top, #0A1A4A 0%, #050B26 35%, #06060F 100%);
  color: var(--brand-ice);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01';
}

.mono {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* ── Glass surfaces ─────────────────────────────────────────── */
.brand-glass {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand-glass-raised {
  background: rgba(10, 26, 74, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

/* ── Top nav (shared across every page) ─────────────────────── */
.byo-nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  background: rgba(5, 11, 38, 0.75);
}
.byo-nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 24px;
}
.byo-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--brand-ice);
  font-weight: 700; font-size: 14px;
}
.byo-logo-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, #7C5CFC, #5DD5F0);
  color: #050B26;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 13px;
}
.byo-crumb {
  font-size: 11px; color: var(--brand-frost);
  letter-spacing: 0.05em;
}
.byo-crumb a { color: var(--brand-cyan); text-decoration: none; }
.byo-crumb a:hover { text-decoration: underline; }
.byo-nav-actions { margin-left: auto; display: flex; gap: 8px; }
.byo-nav-btn {
  padding: 6px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--brand-ice); text-decoration: none;
  transition: all 0.15s;
}
.byo-nav-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(93, 213, 240, 0.3);
}

/* ── Hero / header ──────────────────────────────────────────── */
.byo-hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.byo-hero .gradient-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.platform-badge {
  display: inline-block;
  padding: 6px 14px; border-radius: 999px;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 16px;
}

/* ── Chip row ───────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px; font-weight: 600;
  color: var(--brand-frost);
}

/* ── Step components ────────────────────────────────────────── */
.step {
  margin-bottom: 2rem;
}
.step-row {
  display: flex; gap: 20px; align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 999px;
  background: var(--brand-cyan-soft); color: var(--brand-cyan);
  font-weight: 900; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 4px;
}
.step-body { flex: 1; min-width: 0; }
.step-body h3 {
  font-size: 1.5rem; font-weight: 800; margin-bottom: 8px;
}
.step-body p {
  font-size: 14px; line-height: 1.65;
  color: var(--brand-frost);
  margin-bottom: 12px;
}

/* ── Call-outs ──────────────────────────────────────────────── */
.callout {
  border-radius: 14px; padding: 14px 18px;
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 13px; line-height: 1.55;
  margin: 16px 0;
}
.callout-info {
  background: rgba(93, 213, 240, 0.08);
  border: 1px solid rgba(93, 213, 240, 0.25);
}
.callout-warn {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
}
.callout-ok {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.callout-error {
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

/* ── Keyboard / mono chips ──────────────────────────────────── */
.kbd {
  display: inline-block;
  padding: 2px 8px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  color: var(--brand-ice);
}

/* ── Copy-to-clipboard block ────────────────────────────────── */
.copy-block {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 14px;
  background: rgba(5, 11, 38, 0.8);
  border: 1px solid rgba(93, 213, 240, 0.35);
  border-radius: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--brand-cyan);
  margin: 12px 0;
}
.copy-block span { overflow-wrap: anywhere; }
.copy-block button {
  flex-shrink: 0;
  padding: 6px 12px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--brand-ice);
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
}
.copy-block button:hover {
  background: rgba(255, 255, 255, 0.12);
}
.copy-block button.copied {
  background: rgba(52, 211, 153, 0.18);
  color: var(--wind-strong);
  border-color: rgba(52, 211, 153, 0.35);
}

/* ── Mockup window (styled UI frames — serve as "screenshots") ── */
.mockup {
  border-radius: 14px;
  background: #fafafa;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  margin: 20px 0;
  color: #1a1a1a;
}
.mockup-chrome {
  background: #eaeaea;
  padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid #d4d4d4;
}
.mockup-dots {
  display: flex; gap: 6px;
}
.mockup-dots span {
  width: 10px; height: 10px; border-radius: 999px;
  display: inline-block;
}
.mockup-dots .red    { background: #ff5f57; }
.mockup-dots .amber  { background: #febc2e; }
.mockup-dots .green  { background: #28c840; }
.mockup-url {
  flex: 1;
  background: #fff;
  border-radius: 6px;
  padding: 4px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #4a4a4a;
  border: 1px solid #d4d4d4;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mockup-body {
  padding: 20px 24px;
  background: #fafafa;
  min-height: 100px;
}

/* Platform-specific chrome accents */
.mockup-meta .mockup-body       { background: #f7f8fa; }
.mockup-meta .platform-header   { background: #1877f2; color: #fff; }
.mockup-google .mockup-body     { background: #fafbfd; }
.mockup-google .platform-header { background: #fff; color: #202124; border-bottom: 1px solid #dadce0; }
.mockup-tiktok .mockup-body     { background: #0f0f14; color: #fff; }
.mockup-tiktok .platform-header { background: #000; color: #fff; }
.mockup-tiktok .mockup-form     { background: #1a1a22; border-color: #2a2a35; color: #f2f2f2; }
.mockup-tiktok .mockup-form label { color: #b9b9c4; }
.mockup-tiktok .mockup-form .input { background: #0f0f14; color: #f2f2f2; border-color: #2a2a35; }
.mockup-linkedin .mockup-body   { background: #f3f2ef; }
.mockup-linkedin .platform-header{background: #fff; color: #0a66c2; border-bottom: 1px solid #ebebeb; }
.mockup-x .mockup-body          { background: #000; color: #fff; }
.mockup-x .platform-header      { background: #000; color: #fff; border-bottom: 1px solid #2f3336; }
.mockup-x .mockup-form          { background: #16181c; border-color: #2f3336; color: #e7e9ea; }
.mockup-x .mockup-form label    { color: #71767b; }
.mockup-x .mockup-form .input   { background: #000; color: #e7e9ea; border-color: #2f3336; }
.mockup-amazon .mockup-body     { background: #f3f3f3; }
.mockup-amazon .platform-header { background: #232f3e; color: #fff; }
.mockup-microsoft .mockup-body  { background: #f3f2f1; }
.mockup-microsoft .platform-header{background: #fff; color: #323130; border-bottom: 1px solid #edebe9; }
.mockup-pinterest .mockup-body  { background: #fff; }
.mockup-pinterest .platform-header{background: #e60023; color: #fff; }
.mockup-snapchat .mockup-body   { background: #fff; }
.mockup-snapchat .platform-header{background: #fffc00; color: #000; }
.mockup-reddit .mockup-body     { background: #f3f3f3; }
.mockup-reddit .platform-header { background: #ff4500; color: #fff; }

.platform-header {
  padding: 10px 18px;
  font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 10px;
}
.mockup-form {
  background: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 16px 20px;
  margin: 8px 0;
}
.mockup-form label {
  display: block;
  font-size: 11px; font-weight: 700;
  color: #4a4a4a;
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.mockup-form .input {
  display: block; width: 100%;
  padding: 8px 12px;
  border: 1px solid #cfd4da;
  border-radius: 6px;
  background: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #24292f;
  margin-bottom: 8px;
  box-sizing: border-box;
}
.mockup-form .input.highlight {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(43, 196, 168, 0.18);
}
.mockup-form .input.masked {
  letter-spacing: 0.2em;
  color: #6b7280;
}
.mockup-form .hint {
  font-size: 10px;
  color: #6b7280;
  margin-top: -4px; margin-bottom: 8px;
}
.mockup-btn {
  display: inline-block;
  padding: 6px 14px;
  background: #1877f2;
  color: #fff;
  border: 0; border-radius: 6px;
  font-size: 12px; font-weight: 600;
  cursor: pointer;
}
.mockup-btn.google    { background: #1a73e8; }
.mockup-btn.tiktok    { background: #fe2c55; }
.mockup-btn.linkedin  { background: #0a66c2; }
.mockup-btn.amazon    { background: #ff9900; color: #232f3e; }
.mockup-btn.microsoft { background: #0078d4; }
.mockup-btn.pinterest { background: #e60023; }
.mockup-btn.snapchat  { background: #fffc00; color: #000; }
.mockup-btn.reddit    { background: #ff4500; }
.mockup-btn.secondary {
  background: #fff;
  color: #24292f;
  border: 1px solid #cfd4da;
}
.mockup-nav-link {
  display: block;
  padding: 6px 12px;
  font-size: 12px;
  color: #4a4a4a;
  border-left: 3px solid transparent;
}
.mockup-nav-link.active {
  background: #e6f0ff;
  color: #1877f2;
  border-left-color: #1877f2;
  font-weight: 600;
}
.mockup-caption {
  font-size: 11px;
  color: var(--brand-smoke);
  text-align: center;
  margin: -10px 0 18px;
  font-style: italic;
}

/* ── Platform card (used in index.html) ─────────────────────── */
.plat-card {
  display: flex; flex-direction: column;
  padding: 20px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-decoration: none; color: var(--brand-ice);
  transition: all 0.2s;
  min-height: 180px;
}
.plat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(93, 213, 240, 0.35);
  background: rgba(255, 255, 255, 0.06);
}
.plat-card-logo {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 20px;
  margin-bottom: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}
.plat-card-name {
  font-size: 15px; font-weight: 700;
  margin-bottom: 2px;
}
.plat-card-tagline {
  font-size: 11px; color: var(--brand-frost);
  line-height: 1.4;
  flex: 1;
}
.plat-card-meta {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-top: 12px;
}
.plat-card-meta .chip { font-size: 10px; padding: 2px 8px; }

/* ── Difficulty badges ──────────────────────────────────────── */
.difficulty-easy    { background: rgba(52, 211, 153, 0.16); color: #34D399; border-color: rgba(52, 211, 153, 0.3); }
.difficulty-medium  { background: rgba(251, 191, 36, 0.14); color: #FBBF24; border-color: rgba(251, 191, 36, 0.3); }
.difficulty-hard    { background: rgba(248, 113, 113, 0.14); color: #F87171; border-color: rgba(248, 113, 113, 0.3); }
.difficulty-expert  { background: rgba(124, 92, 252, 0.16); color: #C8B5FF; border-color: rgba(124, 92, 252, 0.3); }

/* ── Troubleshooting accordion ──────────────────────────────── */
details.faq {
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  overflow: hidden;
}
details.faq summary {
  padding: 16px 20px;
  cursor: pointer;
  font-size: 14px; font-weight: 600;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: '+';
  font-size: 18px;
  color: var(--brand-frost);
}
details.faq[open] summary::after { content: '−'; }
details.faq .faq-body {
  padding: 0 20px 16px;
  font-size: 13px; line-height: 1.6;
  color: var(--brand-frost);
}

/* ── Print rules ────────────────────────────────────────────── */
@media print {
  html, body {
    background: white !important;
    color: #050B26 !important;
  }
  .brand-glass, .brand-glass-raised, details.faq {
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
  }
  .no-print, .byo-nav { display: none !important; }
  h1, h2, h3 { color: #050B26 !important; break-after: avoid; }
  .step { break-inside: avoid; }
  .copy-block { background: #f5f5f5 !important; color: #050B26 !important; }
  .callout-info, .callout-warn, .callout-ok, .callout-error {
    background: #f5f5f5 !important;
    border: 1px solid #ccc !important;
    color: #1a1a1a !important;
  }
  .mockup { box-shadow: none; border: 1px solid #ccc; }
  .chip, .kbd {
    background: #f0f0f0 !important;
    color: #1a1a1a !important;
    border-color: #ccc !important;
  }
  .plat-card {
    background: #fff !important;
    border: 1px solid #e0e0e0 !important;
    color: #050B26 !important;
  }
}