/* =========================================================================
   Onsite — Shared Design System
   Single source of truth for colors, typography, dark mode, nav, footer.
   Every HTML page imports this file.
   ======================================================================= */

/* -- Reset --------------------------------------------------------------- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

/* -- Tokens -------------------------------------------------------------- */
:root{
  /* Brand */
  --brand:#0f766e;
  --brand-light:#f0fdfa;
  --brand-dark:#115e59;
  --brand-strong:#0b5c56;
  --brand-soft:#e6f3f0;
  --brand-line:#b7dad4;
  /* Neutrals */
  --ink:#0f172a;
  --text:#0f172a;
  --text-secondary:#475569;
  --text-muted:#94a3b8;
  --muted:#64748b;
  --muted-2:#94a3b8;
  --ink-2:#1e293b;
  --ink-3:#334155;
  --line:#e2e8f0;
  --line-2:#f1f5f9;
  --border:#e2e8f0;
  --border-2:#f1f5f9;
  --bg:#ffffff;
  --bg-subtle:#f8fafc;
  --bg-warm:#faf9f7;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --surface-3:#f1f5f9;
  --canvas:#f8fafc;
  /* Semantic */
  --success:#047857;
  --success-bg:#ecfdf5;
  --warn:#b45309;
  --warn-bg:#fffbeb;
  --danger:#b91c1c;
  --danger-bg:#fef2f2;
  /* Typography */
  --font:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --radius:12px;
  /* Shadows */
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 1px 1px rgba(15,23,42,.02);
  --shadow-2:0 4px 10px rgba(15,23,42,.06),0 2px 4px rgba(15,23,42,.04);
  --shadow-3:0 12px 28px rgba(15,23,42,.08),0 4px 10px rgba(15,23,42,.04);
  --shadow-soft:0 26px 60px rgba(15,23,42,.10);
}

/* -- Dark mode ----------------------------------------------------------- */
html.dark{
  --brand:#2dd4bf;
  --brand-light:#042f2e;
  --brand-dark:#5eead4;
  --brand-strong:#99f6e4;
  --brand-soft:#042f2e;
  --brand-line:#134e4a;
  --ink:#f1f5f9;
  --ink-2:#e2e8f0;
  --ink-3:#cbd5e1;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --line:#334155;
  --line-2:#1e293b;
  --text:#f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:#64748b;
  --border:#1e293b;
  --border-2:#1e293b;
  --bg:#0f172a;
  --bg-subtle:#1e293b;
  --bg-warm:#1a2332;
  --surface:#1e293b;
  --surface-2:#1e293b;
  --surface-3:#334155;
  --canvas:#0f172a;
  --success:#34d399;
  --success-bg:#022c22;
  --warn:#fbbf24;
  --warn-bg:#422006;
  --danger:#f87171;
  --danger-bg:#450a0a;
  --shadow-1:0 1px 2px rgba(0,0,0,.2),0 1px 1px rgba(0,0,0,.1);
  --shadow-2:0 4px 10px rgba(0,0,0,.2),0 2px 4px rgba(0,0,0,.15);
  --shadow-3:0 12px 28px rgba(0,0,0,.3),0 4px 10px rgba(0,0,0,.2);
  --shadow-soft:0 26px 60px rgba(0,0,0,.3);
}

/* -- Base ---------------------------------------------------------------- */
html{height:100%}
body{
  font-family:var(--font);
  font-size:14px;
  font-weight:500;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  line-height:1.6;
  transition:background .4s ease,color .4s ease;
  min-height:100%;
  display:flex;
  flex-direction:column;
}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-strong)}
button{font-family:inherit}
img{max-width:100%;display:block}

/* -- Layout -------------------------------------------------------------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-sm{max-width:800px;margin:0 auto;padding:0 24px}
.info-container{flex:1}
.admin-body{flex:1}

/* -- Accessibility ------------------------------------------------------- */
:focus-visible{outline:2px solid rgba(15,118,110,.55);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:-40px;left:12px;padding:10px 16px;background:var(--brand);color:#fff;border-radius:6px;font-size:12px;font-weight:700;text-decoration:none;z-index:9999}
.skip-link:focus{top:12px;color:#fff}

/* -- Shared Nav (liquid glass) ------------------------------------------- */
.shared-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:background .4s,border-color .4s}
html.dark .shared-nav{background:rgba(15,23,42,.92)}
.shared-nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.shared-nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.shared-nav-mark{width:32px;height:32px;background:transparent;border-radius:10px;display:grid;place-items:center;color:var(--text);font-size:14px;font-weight:900;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 0 4px rgba(0,0,0,.03),0 1px 4px rgba(0,0,0,.06),inset 2px 2px .5px -2px rgba(0,0,0,.5),inset -2px -2px .5px -2px rgba(0,0,0,.45),inset 0 0 4px 3px rgba(0,0,0,.06),0 0 8px rgba(255,255,255,.08)}
html.dark .shared-nav-mark{color:#fff;box-shadow:0 0 4px rgba(0,0,0,.03),0 1px 4px rgba(0,0,0,.06),inset 2px 2px .5px -2px rgba(255,255,255,.06),inset -2px -2px .5px -2px rgba(255,255,255,.5),inset 0 0 4px 3px rgba(255,255,255,.06),0 0 8px rgba(0,0,0,.1)}
.shared-nav-name{font-size:18px;font-weight:800;letter-spacing:-.03em}
.shared-nav-links{display:flex;align-items:center;gap:24px}
.shared-nav-link{font-size:14px;font-weight:500;color:var(--text-secondary);transition:color .15s;text-decoration:none}
.shared-nav-link:hover{color:var(--text)}
.shared-nav-cta{padding:10px 20px;background:transparent;color:var(--text);border-radius:99px;font-size:13px;font-weight:600;transition:all .25s;border:none;cursor:pointer;font-family:inherit;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);text-decoration:none;display:inline-flex;align-items:center;box-shadow:0 0 6px rgba(0,0,0,.03),0 2px 6px rgba(0,0,0,.08),inset 3px 3px .5px -3px rgba(0,0,0,.7),inset -3px -3px .5px -3px rgba(0,0,0,.65),inset 1px 1px 1px -.5px rgba(0,0,0,.5),inset -1px -1px 1px -.5px rgba(0,0,0,.5),inset 0 0 6px 6px rgba(0,0,0,.08),0 0 12px rgba(255,255,255,.12)}
.shared-nav-cta:hover{transform:scale(1.05);color:var(--text)}
html.dark .shared-nav-cta{color:#fff;box-shadow:0 0 8px rgba(0,0,0,.03),0 2px 6px rgba(0,0,0,.08),inset 3px 3px .5px -3.5px rgba(255,255,255,.09),inset -3px -3px .5px -3.5px rgba(255,255,255,.7),inset 1px 1px 1px -.5px rgba(255,255,255,.5),inset -1px -1px 1px -.5px rgba(255,255,255,.5),inset 0 0 6px 6px rgba(255,255,255,.08),0 0 12px rgba(0,0,0,.15)}

/* -- Shared Footer ------------------------------------------------------- */
.shared-footer{padding:48px 24px;border-top:1px solid var(--border);text-align:center;transition:border-color .4s;flex-shrink:0}
.shared-footer-inner{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:16px}
.shared-footer-links{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.shared-footer-links a{font-size:13px;color:var(--text-muted);transition:color .15s;text-decoration:none}
.shared-footer-links a:hover{color:var(--text)}
.shared-footer-copy{font-size:12px;color:var(--text-muted)}

/* -- Shared Page Layout (for legal/content pages) ------------------------ */
.shared-page{max-width:780px;margin:0 auto;padding:100px 24px 80px;flex:1}
.shared-page h1{font-size:36px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px;color:var(--text)}
.shared-page .updated{font-size:14px;color:var(--text-muted);margin-bottom:40px}
.shared-page .subtitle{font-size:16px;color:var(--text-secondary);margin-bottom:48px;line-height:1.6}
.shared-page h2{font-size:20px;font-weight:700;margin-top:40px;margin-bottom:12px;color:var(--text)}
.shared-page h3{font-size:16px;font-weight:600;margin-top:20px;margin-bottom:8px;color:var(--text-secondary)}
.shared-page p,.shared-page li{font-size:15px;line-height:1.75;color:var(--text-secondary);margin-bottom:12px}
.shared-page ul{padding-left:24px;margin-bottom:12px}
.shared-page li{margin-bottom:6px}
.shared-page code{font-family:'SF Mono',Menlo,Consolas,monospace;font-size:13px;background:var(--surface-3);padding:2px 6px;border-radius:4px}

/* -- Shared Card --------------------------------------------------------- */
.shared-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:var(--shadow-1);transition:border-color .3s,background .4s}
.shared-card:hover{border-color:var(--brand)}

/* -- Shared Buttons ------------------------------------------------------ */
.shared-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:14px;font-weight:700;border:none;cursor:pointer;font-family:inherit;transition:all .15s;text-decoration:none}
.shared-btn:active{transform:translateY(1px)}
.shared-btn-primary{background:var(--brand);color:#fff}
.shared-btn-primary:hover{background:var(--brand-strong);color:#fff}
.shared-btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.shared-btn-secondary:hover{border-color:var(--text-muted)}
.shared-btn-ghost{background:transparent;color:var(--text-secondary)}
.shared-btn-ghost:hover{background:var(--surface-3)}

/* -- FAQ (support page) -------------------------------------------------- */
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:box-shadow .15s,background .4s}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;user-select:none}
.faq-q h3{font-size:15px;font-weight:600;color:var(--text);margin:0}
.faq-q .chevron{width:20px;height:20px;flex-shrink:0;transition:transform .2s;color:var(--text-muted)}
.faq-item.open .chevron{transform:rotate(180deg)}
.faq-a{padding:0 24px 18px;font-size:14px;line-height:1.75;color:var(--text-secondary);display:none}
.faq-item.open .faq-a{display:block}

/* -- Contact card (support page) ----------------------------------------- */
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;margin-bottom:56px;box-shadow:var(--shadow-1);transition:background .4s}
.contact-card h2{font-size:20px;font-weight:700;margin-bottom:8px;color:var(--text)}
.contact-card p{font-size:15px;line-height:1.7;color:var(--text-secondary);margin-bottom:20px}
.contact-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:var(--brand);color:#fff;border-radius:10px;font-size:15px;font-weight:700;text-decoration:none;transition:all .15s;font-family:inherit}
.contact-btn:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:0 4px 12px rgba(15,118,110,.25);color:#fff}
.contact-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.contact-email{display:block;margin-top:12px;font-size:13px;color:var(--text-muted)}

/* -- Dark mode theme script ---------------------------------------------- */
/* Add this to <head> of every page before any content:
   <script>if(localStorage.getItem('onsite_theme')==='dark')document.documentElement.classList.add('dark')</script>
*/

/* -- Mobile nav hamburger ------------------------------------------------ */
.shared-nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--text)}
.shared-nav-toggle svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* -- Responsive ---------------------------------------------------------- */
@media(max-width:768px){
  .shared-nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;height:calc(100vh - 64px);
    flex-direction:column;align-items:center;justify-content:center;gap:32px;
    background:var(--bg);z-index:99;
    animation:fadeIn .2s ease
  }
  .shared-nav-links.open{display:flex}
  .shared-nav-link{font-size:18px}
  .shared-nav-cta{font-size:16px;padding:14px 32px}
  .shared-nav-toggle{display:block}
  .shared-page h1{font-size:32px}
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}