*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Inter',-apple-system,system-ui,sans-serif;background:#141517;color:#dee2e6;line-height:1.7;font-size:0.9375rem;min-height:100vh}
a{color:#34d399;text-decoration:none}
a:hover{text-decoration:underline;color:#6ee7b7}
code{font-family:'JetBrains Mono','Fira Code',monospace;font-size:.85em;background:#212529;padding:.15em .45em;border-radius:4px;color:#dee2e6}
pre{background:#0f1113;color:#e2e8f0;padding:1.25rem;border-radius:10px;overflow-x:auto;font-size:.8rem;line-height:1.5;margin:1rem 0;border:1px solid #495057}
pre code{background:none;padding:0;color:inherit;font-size:inherit}
h1{font-size:1.75rem;font-weight:800;letter-spacing:-.025em}
h2{font-size:1.5rem;font-weight:700;margin:2rem 0 1rem;color:#dee2e6}
h3{font-size:1.15rem;font-weight:600;margin:1.5rem 0 0.75rem;color:#dee2e6}
h4{font-size:1rem;font-weight:600;margin:1.25rem 0 0.5rem;color:#adb5bd}
p{margin-bottom:0.75rem;color:#adb5bd}
ul,ol{margin:0.5rem 0 1rem 1.5rem;color:#adb5bd}
li{margin-bottom:0.3rem}
table{width:100%;border-collapse:collapse;font-size:.875rem;margin:1rem 0}
th{text-align:left;padding:.65rem .85rem;background:#212529;color:#adb5bd;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid #495057}
td{padding:.65rem .85rem;border-bottom:1px solid #343a40;color:#adb5bd}
tr:hover td{background:#1a1b1e}

.tag{display:inline-block;font-size:.6rem;font-weight:700;padding:.12rem .5rem;border-radius:4px;text-transform:uppercase;letter-spacing:.03em;margin-right:0.35rem}
.tag-be{background:#0d737733;color:#34d399}
.tag-fe{background:#05966933;color:#6ee7b7}
.tag-db{background:#d9770633;color:#fbbf24}
.tag-infra{background:#6366f133;color:#a5b4fc}

.ext-link{display:inline-flex;align-items:center;gap:0.4rem;padding:0.35rem 0.85rem;background:#0d737733;color:#34d399;border-radius:6px;font-size:.8rem;font-weight:600;margin:0 0.35rem 0.35rem 0;border:1px solid transparent;transition:all .15s}
.ext-link:hover{background:#0d737755;border-color:#0d7377;text-decoration:none;color:#6ee7b7}

/* Layout */
.wrapper{display:flex;min-height:100vh}
.sidebar{position:sticky;top:0;width:270px;height:100vh;overflow-y:auto;background:#212529;border-right:1px solid #495057;flex-shrink:0;z-index:40}
.sidebar-logo{display:flex;align-items:center;gap:0.65rem;padding:1rem 1.25rem;border-bottom:1px solid #343a40}
.sidebar-logo .logo-box{width:34px;height:34px;background:linear-gradient(135deg,#0d7377,#34d399);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;color:#fff;flex-shrink:0}
.sidebar-logo .logo-img{width:20px;height:20px;filter:brightness(0) invert(1)}
.sidebar-logo h1{font-size:0.95rem;font-weight:700;color:#dee2e6}
.sidebar-logo span{font-size:.65rem;color:#6b7280;display:block;margin-top:-1px}
.sidebar nav{padding:0.5rem 0.75rem}
.sidebar .nav-item{display:flex;align-items:center;gap:0.65rem;padding:0.55rem 0.75rem;border-radius:6px;font-size:.85rem;font-weight:500;color:#adb5bd;cursor:pointer;transition:all .15s;margin-bottom:1px}
.sidebar .nav-item:hover{background:#343a40;color:#dee2e6;text-decoration:none}
.sidebar .nav-item.active{background:#0d737733;color:#34d399}
.sidebar .nav-item [class*=" fa-"]{font-size:16px;width:1.25em;text-align:center;flex-shrink:0}
.sidebar .sec{margin-bottom:2px}
.sidebar .sec > .nav-item{justify-content:space-between}
.sidebar .sec > .nav-item .chev{transition:transform .2s;width:14px;height:14px}
.sidebar .sec.open > .nav-item .chev{transform:rotate(90deg)}
.sidebar .sec.open > .nav-item{background:#343a40;color:#dee2e6}
.sidebar .sub{display:none;padding-left:0.5rem}
.sidebar .sec.open .sub{display:block}
.sidebar .sub .nav-item{padding:0.35rem 0.75rem 0.35rem 2.25rem;font-size:.8rem;color:#6b7280}
.sidebar .sub .nav-item:hover{color:#dee2e6;background:#2a2d33}
.sidebar .sub .nav-item.active{color:#34d399;background:#0d737722}

.main{flex:1;min-width:0;display:flex;flex-direction:column}

/* Top bar */
.topbar{display:flex;align-items:center;gap:1rem;padding:0.85rem 2rem;background:#212529;border-bottom:1px solid #343a40;position:sticky;top:0;z-index:30}
.topbar .breadcrumb{display:flex;align-items:center;gap:0.5rem;font-size:.85rem;color:#6b7280}
.topbar .breadcrumb a{color:#adb5bd}
.topbar .breadcrumb a:hover{color:#34d399}
.topbar .breadcrumb .sep{color:#495057}

/* Content */
.content{padding:2rem;max-width:960px;width:100%;margin:0 auto}
.content.wide{max-width:none;padding:2rem 2.5rem}

/* Hero */
.hero-bar{background:linear-gradient(135deg,#094c50,#0d7377);color:#fff;padding:2.5rem 2rem}
.hero-bar h1{font-size:1.65rem;font-weight:800}
.hero-bar p{opacity:.8;font-size:.9rem;margin-top:.25rem}

/* Cards */
.card{background:#343a40;border:1px solid #495057;border-radius:12px;padding:1.5rem;transition:border-color .2s}
.card:hover{border-color:#6b7280}
.card h3{font-size:1rem;font-weight:700;margin-bottom:.5rem}
.card p{font-size:.85rem;color:#6b7280;margin-bottom:0}
.card .icon-wrap{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:.85rem}
.card .icon-wrap [class*=" fa-"]{font-size:20px;width:1.25em;text-align:center}

/* Status grid */
.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem}
.status-card{background:#1a1b1e;border:1px solid #343a40;border-radius:10px;padding:1.15rem 1.25rem}
.status-card .label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:#6b7280;margin-bottom:.35rem}
.status-card .value{font-size:1.15rem;font-weight:700;color:#dee2e6}
.status-card .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.status-card .dot.on{background:#34d399;box-shadow:0 0 6px #34d39966}
.status-card .dot.off{background:#ef4444;box-shadow:0 0 6px #ef444466}

.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;margin:1.5rem 0}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1.5rem 0}

/* Section card */
.section-card{background:#212529;border-radius:12px;padding:1.75rem;margin:1.5rem 0}
.section-card h2{margin-top:0;padding-bottom:.75rem;border-bottom:1px solid #343a40}
.section-card h3{color:#dee2e6}
.section-card p{color:#9ca3af}

/* File block */
.file-block{background:#1a1b1e;border:1px solid #343a40;border-radius:8px;padding:1.15rem 1.35rem;margin:.75rem 0}
.file-block h4{font-family:'JetBrains Mono',monospace;font-size:.82rem;margin:0 0 .3rem;color:#34d399}
.file-block p{font-size:.82rem;margin:0;color:#6b7280}
.file-block ul{margin:.25rem 0 0 1.15rem;font-size:.82rem}
.file-block ul li{color:#6b7280}

/* Panes (sidebar-driven content sections) */
.pane{display:none;animation:fadeIn .25s ease}
.pane.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* Badges */
.badge{display:inline-block;font-size:.65rem;font-weight:700;padding:.15rem .5rem;border-radius:4px;text-transform:uppercase;letter-spacing:.03em}
.badge-exp{background:#0d737733;color:#34d399;border:1px solid #0d737755}
.badge-mod{background:#d9770633;color:#fbbf24;border:1px solid #d9770655}
.badge-api{background:#05966933;color:#6ee7b7;border:1px solid #05966955}
.badge-svc{background:#6366f133;color:#a5b4fc;border:1px solid #6366f155}

/* Footer */
.footer{text-align:center;padding:2rem;color:#6b7280;font-size:.8rem;border-top:1px solid #343a40;margin-top:auto}
.footer a{color:#34d399}

/* Mobile */
.mobile-toggle{display:none;background:none;border:none;color:#adb5bd;cursor:pointer;padding:4px}
.mobile-toggle [class*=" fa-"]{font-size:22px;width:1.25em;text-align:center}

@media(max-width:768px){
  .sidebar{position:fixed;left:-280px;transition:left .25s;z-index:50}
  .sidebar.open{left:0}
  .mobile-toggle{display:flex;align-items:center}
  .content{padding:1.25rem}
  .hero-bar{padding:1.5rem 1.25rem}
  .sidebar-overlay{display:none;position:fixed;inset:0;background:#00000077;z-index:49}
  .sidebar-overlay.show{display:block}
}

/* Scrollbar */
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-track{background:transparent}
.sidebar::-webkit-scrollbar-thumb{background:#495057;border-radius:4px}
.sidebar::-webkit-scrollbar-thumb:hover{background:#6b7280}

/* Loading spinner */
.spinner{width:20px;height:20px;border:2px solid #343a40;border-top-color:#34d399;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}