/* GulshanSync Docs — PHP Version */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary:#0A5CFF;--primary-dark:#003EB3;--accent:#00C2A8;--accent-dark:#008C7A;
  --ink:#1A1A2E;--slate:#4A5568;--slate-light:#718096;--slate-dim:#A0AEC0;
  --line:#E2E8F0;--line-soft:#EDF0F4;--bg:#FFFFFF;--bg-soft:#F5F7FA;--bg-grey:#F0F2F5;
  --gold:#F4B400;--purple:#7C3AED;--red:#E53E3E;--green:#38A169;--white:#FFF;
  --sidebar-w:280px;--font-sans:'Inter',sans-serif;--font-mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-0.02em;color:var(--ink);margin:0 0 0.6em;line-height:1.25}
h1{font-size:2.1rem;margin-bottom:0.4em}
h2{font-size:1.55rem;margin-top:2.4em;padding-bottom:0.4em;border-bottom:1px solid var(--line)}
h3{font-size:1.25rem;margin-top:1.8em}
h4{font-size:1.05rem;margin-top:1.5em}
p{margin:0 0 1rem;color:var(--slate)}
ul,ol{margin:0 0 1rem;padding-left:1.4em;color:var(--slate)}
li{margin-bottom:0.4em}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark);text-decoration:underline}
code{font-family:var(--font-mono);background:var(--bg-grey);color:var(--ink);padding:2px 6px;border-radius:5px;font-size:0.9em}
pre{background:#0F172A;color:#E2E8F0;padding:18px 20px;border-radius:10px;overflow-x:auto;margin:0 0 1.4rem;line-height:1.6}
pre code{background:transparent;color:inherit;padding:0;font-size:0.88rem}
img{max-width:100%;height:auto}
::selection{background:rgba(10,92,255,0.18)}

.kb-topbar{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,0.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:64px;display:flex;align-items:center}
.kb-topbar .container-fluid{padding:0 24px;display:flex;align-items:center;width:100%}
.kb-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.1rem;text-decoration:none!important}
.kb-brand:hover{color:var(--ink)}
.kb-brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 4px 12px rgba(10,92,255,0.25)}
.kb-search-wrap{flex:1;max-width:560px;margin:0 24px;position:relative}
.kb-search-input{width:100%;height:42px;padding:0 16px 0 42px;border-radius:999px;border:1px solid var(--line);background:var(--bg-soft);font-size:0.95rem}
.kb-search-input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(10,92,255,0.12)}
.kb-search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--slate-light);font-size:1rem;pointer-events:none}
.kb-search-results{position:absolute;top:50px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 50px rgba(15,23,42,0.12);max-height:440px;overflow-y:auto;display:none;z-index:1100}
.kb-search-results.show{display:block}
.kb-search-results .result-item{display:block;padding:12px 16px;border-bottom:1px solid var(--line-soft);text-decoration:none!important;cursor:pointer}
.kb-search-results .result-item:last-child{border-bottom:0}
.kb-search-results .result-item:hover{background:var(--bg-soft)}
.kb-search-results .result-title{font-weight:600;color:var(--ink);font-size:0.95rem}
.kb-search-results .result-cat{font-size:0.7rem;color:var(--primary);font-weight:600;background:rgba(10,92,255,0.08);padding:2px 8px;border-radius:99px;margin-right:8px}
.kb-search-results .result-snippet{font-size:0.82rem;color:var(--slate-light);margin-top:4px}
.kb-search-results mark{background:rgba(244,180,0,0.3);padding:1px 2px;border-radius:2px}
.kb-search-results .no-results{padding:24px 16px;text-align:center;color:var(--slate-light)}

.kb-layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;max-width:1600px;margin:0 auto;padding:0 24px}
.kb-sidebar{position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;padding:28px 16px 60px 0;border-right:1px solid var(--line);margin-left:-16px;padding-left:16px}
.kb-sidebar .sidebar-section{margin-bottom:22px}
.kb-sidebar .sidebar-heading{font-size:0.72rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--slate-light);padding:0 12px;margin-bottom:6px}
.kb-sidebar .sidebar-link{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:7px;color:var(--slate);font-size:0.9rem;font-weight:500;text-decoration:none!important;margin-bottom:1px;transition:all 0.15s}
.kb-sidebar .sidebar-link:hover{background:var(--bg-soft);color:var(--ink)}
.kb-sidebar .sidebar-link.active{background:rgba(10,92,255,0.1);color:var(--primary);font-weight:600}
.kb-sidebar .sidebar-sub{padding-left:14px;margin-top:4px}
.kb-sidebar .sidebar-sub .sidebar-link{font-size:0.86rem;padding:5px 12px}

.kb-content{padding:32px 48px 80px;min-width:0;max-width:900px}
.kb-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:0.82rem;color:var(--slate-light);margin-bottom:20px}
.kb-breadcrumbs a{color:var(--slate-light);text-decoration:none}
.kb-breadcrumbs a:hover{color:var(--primary)}
.kb-breadcrumbs .sep{opacity:0.5}
.kb-breadcrumbs .current{color:var(--ink);font-weight:600}

.kb-article-header{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.kb-article-header .eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:0.72rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--primary);background:rgba(10,92,255,0.08);padding:4px 10px;border-radius:99px;margin-bottom:12px}
.kb-article-header h1{font-size:2.1rem}
.kb-article-header .lead{font-size:1.1rem;color:var(--slate);margin:0}
.kb-article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:0.82rem;color:var(--slate-light);margin-top:14px}

.kb-toc{position:sticky;top:88px;align-self:start;padding:24px 0 24px 24px;border-left:1px solid var(--line);max-height:calc(100vh - 100px);overflow-y:auto;font-size:0.82rem;display:none}
.kb-toc h6{font-size:0.72rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--slate-light);margin:0 0 12px}
.kb-toc ul{list-style:none;padding:0;margin:0}
.kb-toc a{display:block;padding:4px 0 4px 12px;color:var(--slate);border-left:2px solid transparent;text-decoration:none!important;font-size:0.82rem}
.kb-toc a:hover{color:var(--primary)}
.kb-toc a.active{color:var(--primary);border-left-color:var(--primary);font-weight:600}

.kb-callout{border-radius:10px;padding:16px 18px;margin:0 0 1.4rem;border:1px solid;border-left-width:4px;display:flex;gap:12px}
.kb-callout .ic{flex:0 0 22px;font-size:1.1rem;margin-top:2px}
.kb-callout .body{flex:1}
.kb-callout .title{font-weight:700;display:block;margin-bottom:4px;font-size:0.95rem}
.kb-callout p:last-child{margin-bottom:0}
.kb-callout p{font-size:0.92rem}
.kb-callout.info{background:#EFF6FF;border-color:#BFDBFE;color:#1E40AF}
.kb-callout.tip{background:#ECFDF5;border-color:#99F6E4;color:#115E59}
.kb-callout.warn{background:#FFFBEB;border-color:#FDE68A;color:#92400E}
.kb-callout.danger{background:#FEF2F2;border-color:#FECACA;color:#991B1B}

.kb-steps{list-style:none;padding:0;margin:0 0 1.6rem;counter-reset:step}
.kb-steps li{position:relative;padding:14px 18px 14px 56px;background:var(--bg-soft);border-radius:10px;margin-bottom:8px;border:1px solid var(--line-soft);counter-increment:step;color:var(--ink)}
.kb-steps li::before{content:counter(step);position:absolute;left:16px;top:14px;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:grid;place-items:center;font-weight:700;font-size:0.86rem;font-family:var(--font-mono)}

.kb-table{width:100%;border-collapse:collapse;margin:0 0 1.4rem;font-size:0.92rem;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.kb-table th,.kb-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.kb-table th{background:var(--bg-soft);color:var(--ink);font-weight:700;font-size:0.85rem}
.kb-table tbody tr:hover{background:var(--bg-soft)}
.kb-table tbody tr:last-child td{border-bottom:0}

.kb-faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
.kb-faq-item summary{padding:14px 18px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.kb-faq-item summary::after{content:'\25B6';float:right;color:var(--slate-light);transition:transform 0.2s}
.kb-faq-item[open] summary::after{transform:rotate(90deg)}
.kb-faq-item .faq-body{padding:0 18px 16px;color:var(--slate);font-size:0.94rem}

.kb-code-wrap{position:relative;margin:0 0 1.4rem}
.kb-code-wrap pre{margin:0}
.kb-code-copy{position:absolute;top:10px;right:10px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#CBD5E1;padding:4px 10px;border-radius:6px;font-size:0.75rem;cursor:pointer;opacity:0;transition:all 0.2s}
.kb-code-wrap:hover .kb-code-copy{opacity:1}
.kb-code-copy:hover{background:rgba(255,255,255,0.2);color:#fff}

.kb-article-footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.kb-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:28px}
.kb-prevnext a{display:block;padding:16px 20px;border:1px solid var(--line);border-radius:10px;text-decoration:none!important;color:var(--slate)}
.kb-prevnext a:hover{border-color:var(--primary);background:var(--bg-soft)}
.kb-prevnext a.next{text-align:right}
.kb-prevnext .label{font-size:0.75rem;color:var(--slate-light);margin-bottom:4px;text-transform:uppercase;letter-spacing:0.08em}
.kb-prevnext .title{font-weight:600;color:var(--ink);font-size:0.98rem}

.kb-landing-hero{background:radial-gradient(800px 400px at 90% -10%,rgba(0,194,168,0.25),transparent 60%),radial-gradient(700px 350px at 0% 0%,rgba(10,92,255,0.30),transparent 55%),linear-gradient(180deg,#06122B 0%,#0A1F44 60%,#0E2A5C 100%);color:#fff;padding:90px 0 80px;text-align:center}
.kb-landing-hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.2rem)}
.kb-landing-hero .lead{color:#CBD5E1;font-size:1.15rem;max-width:720px;margin:0 auto 28px}

.kb-system-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 28px;text-decoration:none!important;height:100%;transition:all 0.3s;position:relative;overflow:hidden}
.kb-system-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--bar-color,var(--primary))}
.kb-system-card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(15,23,42,0.12);border-color:var(--bar-color,var(--primary))}
.kb-system-card .card-icon{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;background:var(--bar-bg,rgba(10,92,255,0.1));color:var(--bar-color,var(--primary));font-size:1.5rem;margin-bottom:18px}
.kb-system-card h3{font-size:1.3rem;margin-bottom:8px;color:var(--ink)}
.kb-system-card p{color:var(--slate);margin-bottom:14px;font-size:0.95rem}

.kb-popular-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;text-decoration:none!important;transition:all 0.2s;height:100%}
.kb-popular-card:hover{border-color:var(--primary);background:var(--bg-soft);transform:translateY(-2px)}
.kb-popular-card .cat{font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--primary);margin-bottom:6px}
.kb-popular-card .title{font-weight:600;color:var(--ink);font-size:1rem;margin-bottom:4px}

#backToTop{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(10,92,255,0.3);opacity:0;visibility:hidden;transition:all 0.25s;z-index:999;border:0;cursor:pointer}
#backToTop.show{opacity:1;visibility:visible}

.kb-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:32px 0;font-size:0.88rem;color:var(--slate-light)}
.kb-footer a{color:var(--slate)}

@media(max-width:1380px){.kb-toc{display:none}.kb-content{max-width:none}}
@media(max-width:991.98px){
  .kb-layout{grid-template-columns:1fr;padding:0 16px}
  .kb-sidebar{position:fixed;top:64px;left:0;width:var(--sidebar-w);background:#fff;z-index:1050;height:calc(100vh - 64px);transform:translateX(-100%);transition:transform 0.3s}
  .kb-sidebar.show{transform:translateX(0)}
  .kb-content{padding:24px 16px 60px}
  .kb-search-wrap{margin:0 12px}
}
@media(max-width:575.98px){
  .kb-content{padding:20px 12px 60px}
  .kb-article-header h1{font-size:1.65rem}
  .kb-prevnext{grid-template-columns:1fr}
}