:root{
  --bg:#020617;--bg2:#0b1220;--bg3:#0f1e35;
  --border:#1e293b;--border2:#2d3f55;
  --green:#2496ed;--cyan:#0db7ed;--purple:#a78bfa;
  --yellow:#facc15;--red:#f87171;--orange:#fb923c;
  --text:#e2e8f0;--muted:#94a3b8;--muted2:#64748b;
  --nav-w:260px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;}

/* ─── PROGRESS BAR ─── */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  z-index:9999;transition:width .1s;
}

/* ─── SIDEBAR NAV ─── */
#sidebar{
  position:fixed;top:0;left:0;width:var(--nav-w);height:100vh;
  background:#060d1a;border-right:1px solid var(--border);
  overflow-y:auto;z-index:100;
  display:flex;flex-direction:column;
  transition:transform .3s;
}
#sidebar::-webkit-scrollbar{width:4px}
#sidebar::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}

.sidebar-logo{
  padding:24px 20px 16px;
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.sidebar-logo h1{
  font-size:17px;font-weight:800;color:var(--text);
  font-family:'Syne',sans-serif;line-height:1.2;
}
.sidebar-logo h1 span{color:var(--green)}
.sidebar-logo p{font-size:11px;color:var(--muted2);margin-top:4px;font-family:'JetBrains Mono',monospace}

.sidebar-search{padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.sidebar-search input{
  width:100%;padding:8px 12px;background:var(--bg);
  border:1px solid var(--border);border-radius:8px;
  color:var(--text);font-size:12px;font-family:'JetBrains Mono',monospace;outline:none;
}
.sidebar-search input:focus{border-color:var(--cyan)}
.sidebar-search input::placeholder{color:var(--muted2)}

.nav-group{padding:8px 0}
.nav-group-title{
  padding:6px 20px;font-size:10px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--muted2);font-weight:700;
  font-family:'Syne',sans-serif;
}
.nav-link{
  display:flex;align-items:center;gap:10px;
  padding:8px 20px;font-size:13px;color:var(--muted);
  text-decoration:none;transition:all .15s;cursor:pointer;
  font-family:'Syne',sans-serif;border-left:3px solid transparent;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.06)}
.nav-link.active{
  color:var(--cyan);background:rgba(56,189,248,.08);
  border-left-color:var(--cyan);
}
.nav-link .icon{font-size:14px;width:18px;text-align:center;flex-shrink:0}
.nav-badge{
  margin-left:auto;font-size:10px;background:var(--bg3);
  color:var(--muted2);padding:1px 6px;border-radius:4px;
  font-family:'JetBrains Mono',monospace;
}
.nav-badge.new{background:rgba(34,197,94,.15);color:var(--green)}

/* ─── HAMBURGER ─── */
#hamburger{
  display:none;position:fixed;top:12px;left:12px;z-index:200;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:8px;padding:8px 10px;cursor:pointer;font-size:16px;
}

/* ─── MAIN CONTENT ─── */
#main{
  margin-left:var(--nav-w);
  padding:48px 52px 80px;
  min-height:100vh;
  background:radial-gradient(circle at top right,#0d1f3c,#020617 60%);
}

/* ─── SECTION HEADERS ─── */
.section{margin-top:64px;scroll-margin-top:24px}
.section:first-child{margin-top:0}
.section-header{
  display:flex;align-items:center;gap:14px;
  margin-bottom:6px;
}
.section h2{
  color:var(--cyan);font-size:22px;font-weight:800;
  font-family:'Syne',sans-serif;letter-spacing:-.3px;
}
.section-badge{
  font-size:10px;background:rgba(34,197,94,.15);color:var(--green);
  padding:2px 8px;border-radius:20px;font-family:'JetBrains Mono',monospace;
  font-weight:700;letter-spacing:.5px;
}
.section-badge.lpi{background:rgba(167,139,250,.15);color:var(--purple)}
.section-desc{
  color:var(--muted);font-size:14px;line-height:1.6;
  margin-bottom:24px;border-bottom:1px solid var(--border);
  padding-bottom:18px;max-width:700px;
}
.section-desc code{
  font-family:'JetBrains Mono',monospace;color:var(--cyan);
  background:var(--bg2);padding:1px 6px;border-radius:4px;font-size:12px;
}

/* ─── CARDS ─── */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.card{
  background:var(--bg2);border-radius:12px;padding:18px 20px;
  border:1px solid var(--border);transition:border-color .2s,transform .15s;
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--green),transparent);
  opacity:0;transition:opacity .2s;
}
.card:hover{border-color:var(--border2);transform:translateY(-2px)}
.card:hover::before{opacity:1}
.card h3{
  margin:0 0 6px;color:var(--green);
  font-family:'JetBrains Mono',monospace;font-size:15px;font-weight:700;
}
.card p{font-size:13px;color:#a0aec0;line-height:1.6;margin:0}

/* ─── CODEBOX ─── */
.codebox{
  background:var(--bg);border:1px solid var(--border);
  padding:10px 14px;border-radius:8px;
  font-family:'JetBrains Mono',monospace;font-size:12.5px;
  margin-top:12px;display:flex;
  justify-content:space-between;align-items:flex-start;gap:10px;
}
.codebox code{color:var(--text);white-space:pre-wrap;word-break:break-word;flex:1;line-height:1.5}
.copy-btn{
  background:transparent;border:1px solid var(--border2);
  padding:4px 10px;border-radius:6px;cursor:pointer;
  font-size:11px;font-family:'Syne',sans-serif;font-weight:600;
  color:var(--cyan);flex-shrink:0;transition:all .15s;white-space:nowrap;
}
.copy-btn:hover{background:rgba(56,189,248,.1);border-color:var(--cyan)}
.copy-btn.copied{border-color:var(--green);color:var(--green);background:rgba(34,197,94,.08)}

/* ─── TIP BOX ─── */
.tip{
  background:rgba(56,189,248,.06);border:1px solid rgba(56,189,248,.2);
  border-left:3px solid var(--cyan);border-radius:8px;
  padding:12px 16px;margin-top:10px;font-size:13px;color:var(--muted);
  line-height:1.6;
}
.tip strong{color:var(--cyan)}
.tip code{font-family:'JetBrains Mono',monospace;color:var(--green);font-size:12px}
.warn{background:rgba(251,146,60,.06);border-color:rgba(251,146,60,.25);border-left-color:var(--orange)}
.warn strong{color:var(--orange)}

/* ─── FLOW STEPS ─── */
.flow-list{display:flex;flex-direction:column;gap:12px}
.flow-step{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--bg2);border:1px solid var(--border);
  border-radius:12px;padding:16px 18px;transition:border-color .2s;
}
.flow-step:hover{border-color:var(--border2)}
.flow-num{
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  color:#020617;font-weight:800;font-size:13px;
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-family:'JetBrains Mono',monospace;
}
.flow-content h4{color:var(--text);font-size:14px;font-weight:700;margin-bottom:4px}
.flow-content p{color:var(--muted);font-size:13px;margin:0;line-height:1.5}
.flow-content code{
  font-family:'JetBrains Mono',monospace;color:var(--green);
  font-size:12px;background:var(--bg);padding:1px 6px;border-radius:4px;
}

/* ─── TABLA PERMISOS ─── */
.perm-table-wrap{overflow-x:auto;margin-top:10px;border-radius:10px;border:1px solid var(--border)}
.perm-table{width:100%;border-collapse:collapse;font-family:'JetBrains Mono',monospace;font-size:13px}
.perm-table th{
  background:#0a1628;color:var(--cyan);padding:11px 16px;
  text-align:left;font-size:11px;letter-spacing:.8px;text-transform:uppercase;
}
.perm-table td{padding:10px 16px;border-top:1px solid var(--border);color:var(--text)}
.perm-table tr:hover td{background:#0d1a2e}
.octal{color:var(--yellow);font-weight:700}
.mono-g{color:var(--green);font-weight:700}
.r-col{color:var(--red);font-weight:700}
.w-col{color:var(--orange);font-weight:700}
.x-col{color:var(--green);font-weight:700}
.none-col{color:#475569}

/* ─── CALCULADORA ─── */
.calc-wrap{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:14px;padding:26px;margin-top:24px;
}
.calc-wrap h3{color:var(--cyan);font-size:15px;margin-bottom:20px;font-weight:700;font-family:'Syne',sans-serif}
.calc-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:600px){.calc-groups{grid-template-columns:1fr}}
.calc-group{
  background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:14px;text-align:center;
}
.calc-group-title{font-size:11px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;font-weight:700;font-family:'Syne',sans-serif}
.calc-checks{display:flex;flex-direction:column;gap:10px}
.calc-check{display:flex;align-items:center;gap:10px;cursor:pointer;justify-content:center}
.calc-check input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--green)}
.calc-check span{font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:700}
.lbl-r{color:var(--red)}.lbl-w{color:var(--orange)}.lbl-x{color:var(--green)}
.calc-result{
  margin-top:20px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
}
.calc-cmd{font-family:'JetBrains Mono',monospace}
.calc-cmd .c-g{color:var(--green);font-size:16px;font-weight:700}
.calc-cmd .c-y{color:var(--yellow);font-size:22px;font-weight:800}
.calc-sym{font-family:'JetBrains Mono',monospace;color:var(--muted);font-size:13px;margin-top:4px}
.calc-copy{
  background:var(--green);border:none;padding:8px 18px;
  border-radius:8px;cursor:pointer;font-weight:700;
  font-size:12px;color:#020617;font-family:'Syne',sans-serif;transition:background .15s;
}
.calc-copy:hover{background:#16a34a}

/* ─── PIPE / REDIRECT TABLE ─── */
.op-table{width:100%;border-collapse:collapse;font-size:13px}
.op-table th{background:#0a1628;color:var(--cyan);padding:10px 14px;text-align:left;font-size:11px;letter-spacing:.8px;text-transform:uppercase;border-bottom:2px solid var(--border)}
.op-table td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text)}
.op-table tr:last-child td{border-bottom:none}
.op-table tr:hover td{background:#0d1a2e}
.op-table .op{color:var(--yellow);font-family:'JetBrains Mono',monospace;font-weight:700;font-size:15px}
.op-table .eg{color:var(--green);font-family:'JetBrains Mono',monospace;font-size:12px}

/* ─── FILETYPE CARDS ─── */
.filetype-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.filetype-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:10px;padding:14px 16px;
  display:flex;align-items:flex-start;gap:12px;
  transition:border-color .2s;
}
.filetype-card:hover{border-color:var(--border2)}
.ft-sym{font-family:'JetBrains Mono',monospace;font-size:22px;font-weight:800;min-width:28px;padding-top:2px}
.ft-info h4{font-size:13px;font-weight:700;margin-bottom:3px}
.ft-info p{font-size:12px;color:var(--muted);line-height:1.5;margin:0}
.ft-info code{font-family:'JetBrains Mono',monospace;color:var(--green);font-size:11px;background:var(--bg);padding:1px 5px;border-radius:3px}

/* ─── SECURITY USERS ─── */
.user-types{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-bottom:20px}
.user-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
.user-card-icon{font-size:28px;margin-bottom:10px}
.user-card h4{font-size:14px;font-weight:700;margin-bottom:6px}
.user-card p{font-size:13px;color:var(--muted);line-height:1.5;margin:0}
.user-card code{font-family:'JetBrains Mono',monospace;color:var(--green);font-size:11px;background:var(--bg);padding:1px 5px;border-radius:3px}

/* ─── BACK TO TOP ─── */
#backtop{
  position:fixed;bottom:30px;right:30px;
  background:var(--bg2);border:1px solid var(--border2);
  color:var(--cyan);width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:18px;opacity:0;transition:opacity .3s;z-index:50;
  text-decoration:none;
}
#backtop.visible{opacity:1}
#backtop:hover{background:var(--bg3);border-color:var(--cyan)}

/* ─── FOOTER ─── */
footer{
  margin-top:80px;padding-top:24px;border-top:1px solid var(--border);
  text-align:center;color:var(--muted2);font-size:13px;
}
footer span{color:var(--green)}
footer a{color:var(--cyan);text-decoration:none}
footer a:hover{text-decoration:underline}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  #sidebar{transform:translateX(-100%)}
  #sidebar.open{transform:translateX(0)}
  #main{margin-left:0;padding:56px 20px 60px}
  #hamburger{display:flex;align-items:center;justify-content:center}
  .calc-groups{grid-template-columns:1fr}
}