/* ============================================================================
   Peptide Manager Pro — v10 Design System (shared, site-wide)
   Single source of truth for design tokens + reusable chrome.
   Linked into every served HTML page; matches the v10 LIGHT homepage.

   Architecture:
   1. :root  — canonical v10 --color-* tokens (verbatim from directive)
   2. :root  — legacy --pmp-* / bespoke token REMAP to v10 LIGHT values, so
               existing pages flip centrally (link this sheet LAST in <head>
               so this :root wins the cascade over each page's inline dark :root).
   3. .v10   — opt-in v10 chrome (nav / footer / buttons / cards / sections),
               scoped so it never clobbers a page that doesn't opt in.
   ============================================================================ */

:root {
  /* ---- canonical v10 tokens ---- */
  --color-bg: #FBFAF7;
  --color-bg-tint: #F5F2EC;
  --color-text: #14181B;
  --color-text-soft: #4A5158;
  --color-text-muted: #4A5158;
  --color-rule: #E4E0D6;
  --color-accent: #007299;
  --color-accent-soft: #E6F5FA;
  --color-accent-bright: #00d4ff;
  --color-green: #00794f;
  --color-warm: #cc5429;
  --color-warm-soft: #FDE8DC;
  --color-warm-bright: #ff6b35;
  --color-smoke: #2A2F36;
  --color-smoke-soft: #3A3F47;
  --max-width: 1100px;
  --max-text: 680px;
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- legacy --pmp-* remap -> v10 LIGHT ----
     Existing pages reference these names with dark values in their inline
     :root. Redefining them here (sheet linked last) flips them to v10 light
     while preserving each page's component layout. Bright cyan is mapped to
     the READABLE accent (#007299) because the legacy pages use --pmp-cyan for
     accent TEXT/links, which would be invisible as #00d4ff on a light bg. */
  --pmp-cyan: #007299;
  --pmp-cyan-dark: #00657f;
  --pmp-green: #00794f;
  --pmp-green-dark: #008f5e;
  --pmp-text: #14181B;
  --pmp-text-secondary: #4A5158;
  --pmp-text-tertiary: #4A5158;
  --pmp-bg: #FBFAF7;
  --pmp-surface: #F5F2EC;
  --pmp-surface-2: #EFEBE1;
  --pmp-border: #E4E0D6;
  --pmp-border-light: #EDEAE1;
  --pmp-success: #00794f;
  --pmp-amber: #b45309;
  --pmp-amber-bg: rgba(180, 83, 9, 0.10);

  /* legacy "orange" names (already repurposed to cyan/green on dark pages) */
  --pmp-orange: #007299;
  --pmp-orange-dark: #00657f;
  --pmp-orange-glow: #00794f;
  --pmp-orange-pale: rgba(0, 153, 204, 0.08);

  /* bespoke calculator-hub token names (generic) -> v10 light */
  --bg: #FBFAF7;
  --surface: #F5F2EC;
  --surface2: #EFEBE1;
  --border: #E4E0D6;
  --text: #14181B;
  --muted: #4A5158;
  --accent: #007299;
  --accent2: #00794f;
  --warning: #b45309;
  --error: #c0392b;
  --success: #00794f;
  --accent-bg: rgba(0, 153, 204, 0.07);
}

/* ============================================================================
   v10 CHROME — opt-in via class="v10" on <body>. Scoped so it never affects
   pages that don't opt in. Mirrors the homepage nav/footer/buttons/sections.
   ============================================================================ */

.v10 {
  font-family: 'Syne', -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.v10 .container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.v10 .narrow { max-width: var(--max-text); margin: 0 auto; }
.v10 .mono { font-family: 'JetBrains Mono', monospace; }
.v10 ::selection { background: var(--color-accent-soft); }

/* ---- nav ---- */
.v10 .nav {
  padding: 1.5rem 0;
  background: rgba(251, 250, 247, 0);
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: all 0.4s var(--ease-premium);
  border-bottom: 1px solid transparent;
}
.v10 .nav.scrolled {
  background: rgba(251, 250, 247, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--color-rule);
  padding: 1rem 0;
}
.v10 .nav-inner { display: flex; align-items: center; justify-content: space-between; }
.v10 .logo-nav {
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em; color: var(--color-text); text-decoration: none;
  display: flex; align-items: center; gap: 0.6rem;
}
.v10 .logo-nav-mark { width: 22px; height: 22px; border-radius: 5px; display: block; }
.v10 .nav-links { display: flex; gap: 2rem; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; }
.v10 .nav-links a { color: var(--color-text-soft); text-decoration: none; transition: color 0.2s; }
.v10 .nav-links a:hover { color: var(--color-accent); }
.v10 .nav-right { display: flex; align-items: center; gap: 1.5rem; }
.v10 .nav-signin {
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; font-weight: 600;
  color: var(--color-text); text-decoration: none; padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-text-soft); border-radius: 6px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.v10 .nav-signin:hover { color: var(--color-accent); border-color: var(--color-accent); background: rgba(0,212,255,.06); }
@media (max-width: 640px) { .v10 .nav-links { display: none; } }

/* ---- buttons ---- */
.v10 .btn {
  display: inline-block; padding: 0.95rem 1.85rem; border-radius: 8px;
  font-family: 'Syne', sans-serif; font-weight: 600; font-size: 0.95rem;
  text-decoration: none; transition: all 0.35s var(--ease-premium);
  border: none; cursor: pointer; position: relative; overflow: hidden;
}
.v10 .btn-primary { background: var(--color-accent); color: #fff; box-shadow: 0 1px 0 rgba(0, 153, 204, 0.2); }
.v10 .btn-primary:hover {
  background: var(--color-accent-bright); color: var(--color-text);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}
.v10 .btn-text {
  color: var(--color-text-soft); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
  text-decoration: none; border-bottom: 1px solid var(--color-rule); padding-bottom: 2px;
  transition: all 0.25s var(--ease-premium);
}
.v10 .btn-text:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }

/* ---- sections / headings ---- */
.v10 section { padding: 7rem 0; }
.v10 .section-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--color-warm);
  text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.v10 .section-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--color-warm); }
.v10 h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.85rem); font-weight: 700; line-height: 1.15;
  letter-spacing: -0.025em; margin-bottom: 1.25rem; max-width: 720px;
}
.v10 h2 .accent { color: var(--color-accent); }
.v10 .section-intro {
  font-size: 1.15rem; color: var(--color-text-soft); margin-bottom: 3.5rem;
  max-width: 620px; line-height: 1.55;
}

/* ---- card ---- */
.v10 .card {
  background: var(--color-bg-tint); border: 1px solid var(--color-rule);
  border-radius: 14px; padding: 1.75rem;
}

/* ---- footer ---- */
.v10 .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.v10 .footer-brand .logo-nav { display: inline-flex; margin-bottom: 1rem; font-size: 0.9rem; }
.v10 .footer-brand p { font-size: 0.9rem; color: var(--color-text-soft); line-height: 1.6; max-width: 320px; }
.v10 .footer-col h4 {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--color-text);
  text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1rem; font-weight: 700;
}
.v10 .footer-col a {
  display: block; color: var(--color-text-soft); text-decoration: none;
  font-size: 0.9rem; padding: 0.35rem 0; transition: color 0.2s;
}
.v10 .footer-col a:hover { color: var(--color-accent); }
.v10 .footer-bottom {
  padding-top: 2rem; border-top: 1px solid var(--color-rule); display: flex;
  justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: var(--color-text-muted); letter-spacing: 0.04em;
}
@media (max-width: 720px) {
  .v10 .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .v10 .footer-brand { grid-column: 1 / -1; }
}

/* ──────────────────────────────────────────────────────────────────────────
   4. Universal dark-leak fixes for legacy shared chrome
   These legacy components hardcode dark glass / low-contrast gray that bypass
   the token system (sticky nav background, fixed social sidebar inline styles,
   footer social row). Forced to v10 LIGHT site-wide via !important so they
   override inline styles + per-page rules on every page that links this sheet.
   (The v10 homepage does NOT link this sheet, so it is unaffected.)
   ────────────────────────────────────────────────────────────────────────── */
.site-nav { background: rgba(251, 250, 247, 0.85) !important; }
.nav-back { color: var(--color-text-soft) !important; }
.nav-back:hover { color: var(--color-accent) !important; }

#social-sidebar a {
  background: rgba(251, 250, 247, 0.85) !important;
  color: var(--color-text-soft) !important;
  border-color: var(--color-rule) !important;
}
#social-sidebar a:hover {
  background: rgba(0, 153, 204, 0.12) !important;
  color: var(--color-accent) !important;
}

.footer-social-row a { color: var(--color-text-soft) !important; }
.footer-social-row a:hover { color: var(--color-accent) !important; }
