/* PBQ Runtime - Rich CompTIA exam-style PBQ simulator
   Based on the proven /blog/free-comptia-pbqs.html pattern.
   Includes: realistic GUI windows, terminals, AWS-style consoles, network SVGs, drag-drop, tables. */

*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Libre Franklin','Inter',sans-serif;color:#1f2937;background:#f1f5f9;line-height:1.55;}
h1,h2,h3,h4,h5,h6{font-family:'Inter',sans-serif!important;}
a{color:inherit;}
@keyframes pbq-fade{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
@keyframes pbq-pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.05);}}
@keyframes pbq-blink{50%{opacity:0.35;}}

/* ===== Site header / hero ===== */
.pbq-header{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);color:white;padding:0.5rem 0;position:relative;width:100%;z-index:10;box-shadow:0 4px 20px rgba(15,23,42,0.15);}
.pbq-header .nav-container{max-width:100%;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;}
.pbq-header .logo a{color:white;text-decoration:none;}
.pbq-header .nav-menu{display:flex;list-style:none;gap:0.25rem;align-items:center;}
.pbq-header .nav-menu a{color:white;text-decoration:none;font-weight:600;padding:0.5rem 0.7rem;border-radius:0.5rem;font-size:0.95rem;}
.pbq-header .nav-menu a:hover{background:linear-gradient(90deg,#14b8a6,#3b82f6,#8b5cf6);}
.pbq-header .trial-btn{background:linear-gradient(135deg,#ec4899,#8b5cf6)!important;color:white!important;padding:0.5rem 1rem;border-radius:0.5rem;}
.pbq-header .cta-button{background:linear-gradient(90deg,#14b8a6,#3b82f6,#8b5cf6);color:white!important;padding:0.5rem 0.7rem;border-radius:0.5rem;font-weight:700;}
.pbq-header .mobile-menu-toggle{display:none;background:none;border:none;color:white;font-size:1.5rem;cursor:pointer;}
@media(max-width:1024px){.pbq-header .mobile-menu-toggle{display:flex;}.pbq-header .nav-menu{display:none;position:absolute;top:100%;left:0;width:100%;background:#0f172a;flex-direction:column;padding:1rem 0;}.pbq-header .nav-menu.mobile-active{display:flex;}.pbq-header .nav-menu a{padding:0.75rem 2rem;width:100%;text-align:center;}}

.pbq-hero{background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 50%,#312e81 100%);color:white;padding:2.5rem 2rem 2rem;margin-top:0;}
.pbq-sidebar{position:sticky;top:1rem;}
.pbq-hero .wrap{max-width:1280px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap;}
.pbq-hero h1{font-size:2.1rem;font-weight:900;margin-bottom:0.35rem;}
.pbq-hero h1 .accent{background:linear-gradient(90deg,#14b8a6,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.pbq-hero p{color:#cbd5e1;font-size:0.98rem;}
.pbq-hero .meta{display:flex;gap:1rem;flex-wrap:wrap;}
.pbq-hero .meta div{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);padding:0.5rem 0.85rem;border-radius:0.5rem;font-size:0.82rem;color:#fff;}
.pbq-hero .meta div b{color:#22d3ee;}

/* ===== Layout shell ===== */
.pbq-shell{max-width:1320px;margin:1.25rem auto;display:grid;grid-template-columns:280px 1fr;gap:1rem;padding:0 1rem;}
@media(max-width:1024px){.pbq-shell{grid-template-columns:1fr;}}

.pbq-sidebar{background:white;border:1px solid #e2e8f0;border-radius:0.75rem;padding:0.85rem;height:calc(100vh - 160px);overflow-y:auto;position:sticky;top:80px;}
.pbq-sidebar h3{font-size:0.95rem;color:#0f172a;margin-bottom:0.6rem;display:flex;justify-content:space-between;align-items:center;}
.pbq-sidebar .progress-mini{font-size:0.72rem;color:#7c3aed;font-weight:700;}
.pbq-sidebar ol{list-style:none;counter-reset:pbq;}
.pbq-sidebar ol li{counter-increment:pbq;}
.pbq-sidebar ol li a{display:flex;align-items:center;gap:0.55rem;padding:0.5rem 0.55rem;border-radius:0.4rem;font-size:0.82rem;color:#475569;text-decoration:none;border-left:3px solid transparent;transition:all 0.15s;}
.pbq-sidebar ol li a:hover{background:#f8fafc;color:#0f172a;}
.pbq-sidebar ol li a.active{background:#eef2ff;color:#3730a3;border-left-color:#7c3aed;font-weight:700;}
.pbq-sidebar ol li a::before{content:counter(pbq);background:#e2e8f0;color:#475569;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:0.7rem;font-weight:700;flex-shrink:0;}
.pbq-sidebar ol li a.done::before{background:#10b981;color:white;content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;}
.pbq-sidebar ol li a.fail::before{background:#ef4444;color:white;content:"\f00d";font-family:"Font Awesome 6 Free";font-weight:900;}
.pbq-sidebar ol li a.active::before{background:#7c3aed;color:white;}
.pbq-sidebar .domain-tag{font-size:0.62rem;background:#f1f5f9;color:#64748b;padding:0.1rem 0.35rem;border-radius:0.25rem;margin-left:auto;flex-shrink:0;}
.pbq-sidebar .typ{font-size:0.6rem;font-weight:800;padding:0.1rem 0.3rem;border-radius:0.2rem;margin-left:0.3rem;flex-shrink:0;}
.pbq-sidebar .typ.dd{background:#fef3c7;color:#92400e;}
.pbq-sidebar .typ.gui{background:#dbeafe;color:#1e40af;}
.pbq-sidebar .typ.term{background:#dcfce7;color:#14532d;}
.pbq-sidebar .typ.diag{background:#ede9fe;color:#5b21b6;}
.pbq-sidebar .typ.log{background:#fee2e2;color:#991b1b;}
.pbq-sidebar .typ.form{background:#cffafe;color:#155e75;}

.pbq-main-col{display:flex;flex-direction:column;gap:0;}

/* ===== PBQ simulator container (matches /blog/free-comptia-pbqs.html style) ===== */
.pbq-sim{background:#0f172a;border-radius:12px;overflow:hidden;margin-bottom:1.5rem;box-shadow:0 15px 40px rgba(0,0,0,0.25);border:1px solid #334155;display:none;}
.pbq-sim.active{display:block;animation:pbq-fade 0.25s ease;}
.pbq-sim-header{background:linear-gradient(90deg,#0b1d52,#1e3a8a 50%,#1e40af);padding:0.7rem 1.1rem;display:flex;align-items:center;justify-content:space-between;color:#fff;flex-wrap:wrap;gap:0.5rem;}
.pbq-sim-header .pbq-sim-title{display:flex;align-items:center;gap:0.55rem;font-size:0.95rem;font-weight:700;}
.pbq-sim-header .pbq-sim-title .pbq-num{background:#fbbf24;color:#0f172a;padding:0.2rem 0.55rem;border-radius:0.25rem;font-weight:800;font-size:0.78rem;}
.pbq-sim-header .pbq-sim-meta{display:flex;align-items:center;gap:1rem;font-size:0.78rem;color:#fff;flex-wrap:wrap;}
.pbq-sim-header .pbq-sim-timer{font-variant-numeric:tabular-nums;font-weight:700;color:#fde68a;background:rgba(0,0,0,0.3);padding:0.2rem 0.55rem;border-radius:0.25rem;}
.pbq-sim-task{background:#1e293b;border-bottom:1px solid #334155;padding:0.85rem 1.15rem;display:flex;gap:0.75rem;align-items:flex-start;}
.pbq-sim-task .pbq-sim-tag{background:#f59e0b;color:#0f172a;font-weight:800;font-size:0.7rem;padding:0.22rem 0.55rem;border-radius:0.25rem;flex-shrink:0;}
.pbq-sim-task .pbq-sim-text{color:#fff;font-size:0.9rem;line-height:1.6;}
.pbq-sim-task .pbq-sim-text strong{color:#fbbf24;}
.pbq-sim-body{padding:1.25rem;background:#fff;color:#1f2937;}
.pbq-sim-foot{background:#f1f5f9;border-top:1px solid #cbd5e1;padding:0.55rem 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:0.5rem;flex-wrap:wrap;}
.pbq-sim-foot-btn{background:#fff;color:#0f172a;border:1px solid #cbd5e1;padding:0.42rem 0.95rem;border-radius:0.3rem;font-size:0.78rem;cursor:pointer;font-weight:600;transition:background 0.15s;}
.pbq-sim-foot-btn:hover{background:#e2e8f0;}
.pbq-sim-foot-btn.primary{background:linear-gradient(90deg,#1e40af,#3b82f6);color:#fff;border-color:#1e40af;}
.pbq-sim-foot-btn.primary:hover{background:linear-gradient(90deg,#1e3a8a,#2563eb);}
.pbq-sim-foot-btn.score{background:linear-gradient(90deg,#16a34a,#22c55e);color:#fff;border-color:#16a34a;}
.pbq-sim-foot-btn.score:hover{background:linear-gradient(90deg,#15803d,#16a34a);}

.pbq-sim-controls{margin-top:1.1rem;display:flex;gap:0.5rem;flex-wrap:wrap;}
.pbq-sim-btn{font-weight:700;border:none;padding:0.55rem 1.15rem;border-radius:0.4rem;cursor:pointer;font-size:0.85rem;transition:all 0.12s;display:inline-flex;align-items:center;gap:0.4rem;}
.pbq-sim-btn:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(0,0,0,0.15);}
.pbq-sim-btn-check{background:linear-gradient(90deg,#16a34a,#0d9488);color:#fff;}
.pbq-sim-btn-reset{background:#e2e8f0;color:#0f172a;}
.pbq-sim-btn-show{background:#fbbf24;color:#0f172a;}

.pbq-sim-result{display:none;margin-top:1rem;padding:0.95rem 1.05rem;border-radius:0.5rem;font-size:0.92rem;line-height:1.6;animation:pbq-fade 0.3s;}
.pbq-sim-result.show{display:block;}
.pbq-sim-result.pass{background:#f0fdf4;border:1px solid #86efac;color:#14532d;}
.pbq-sim-result.partial{background:#fffbeb;border:1px solid #fcd34d;color:#78350f;}
.pbq-sim-result.fail{background:#fef2f2;border:1px solid #fca5a5;color:#7f1d1d;}
.pbq-sim-result ul{margin:0.5rem 0 0 1.2rem;}

/* ===== Scenario callout ===== */
.pbq-scenario-box{background:#f0fdf4;border-left:4px solid #16a34a;border-radius:0.5rem;padding:0.95rem 1.1rem;margin-bottom:1rem;font-size:0.9rem;line-height:1.65;color:#0f172a;}
.pbq-scenario-box.purple{background:#faf5ff;border-color:#8b5cf6;}
.pbq-scenario-box.blue{background:#eff6ff;border-color:#3b82f6;}
.pbq-scenario-box.amber{background:#fffbeb;border-color:#f59e0b;}
.pbq-scenario-box strong{color:#0f172a;}
.pbq-scenario-box ul{margin:0.5rem 0 0 1.2rem;}

/* ===== Drag-Drop System (matches reference, WORKS) ===== */
.dd-pool{display:flex;flex-wrap:wrap;gap:0.5rem;background:#f1f5f9;border:1px dashed #94a3b8;border-radius:0.5rem;padding:0.85rem;min-height:70px;margin-bottom:1rem;}
.dd-pool-label{font-size:0.78rem;color:#0f172a;font-weight:800;text-transform:uppercase;letter-spacing:0.05em;margin:0 0 0.5rem;}
.dd-chip{display:inline-flex;align-items:center;background:linear-gradient(135deg,#1e40af,#2563eb);color:#fff;padding:0.5rem 0.85rem;border-radius:0.4rem;font-size:0.85rem;font-weight:700;cursor:grab;user-select:none;border:none;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:all 0.15s;}
.dd-chip:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,0.15);}
.dd-chip:active{cursor:grabbing;}
.dd-chip.dragging{opacity:0.4;}
.dd-chip.green{background:linear-gradient(135deg,#059669,#16a34a);}
.dd-chip.amber{background:linear-gradient(135deg,#d97706,#f59e0b);}
.dd-chip.purple{background:linear-gradient(135deg,#7c3aed,#a855f7);}
.dd-chip.rose{background:linear-gradient(135deg,#e11d48,#f43f5e);}
.dd-chip.slate{background:linear-gradient(135deg,#475569,#64748b);}
.dd-chip.placed{margin:0;width:100%;border-radius:0.3rem;padding:0.4rem 0.55rem;font-size:0.78rem;}

.dd-zone{border:2px dashed #cbd5e1;border-radius:0.4rem;padding:0.45rem 0.55rem;background:#fff;min-height:46px;display:flex;align-items:center;gap:0.4rem;flex-wrap:wrap;transition:all 0.15s;cursor:pointer;}
.dd-zone.over{border-color:#7c3aed;background:#f5f3ff;}
.dd-zone.has{border-style:solid;border-color:#7c3aed;background:#f5f3ff;padding:0;}
.dd-zone.correct{border-color:#16a34a;background:#dcfce7;}
.dd-zone.incorrect{border-color:#dc2626;background:#fee2e2;}

.dd-grid{display:grid;grid-template-columns:1fr 2fr;gap:0.5rem;align-items:center;margin-bottom:0.45rem;}
.dd-grid > .lbl{font-weight:700;color:#0f172a;font-size:0.88rem;}
@media(max-width:600px){.dd-grid{grid-template-columns:1fr;}}

/* ===== Realistic Windows GUI ===== */
.win-app{background:#fff;border:1px solid #b1b1b1;border-radius:6px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,0.18);font-family:'Segoe UI',sans-serif;}
.win-titlebar{background:linear-gradient(180deg,#3b3b3b,#2b2b2b);color:#fff;padding:6px 10px;display:flex;justify-content:space-between;align-items:center;font-size:0.78rem;}
.win-titlebar .ctrls{display:flex;gap:6px;}
.win-titlebar .ctrls span{width:14px;height:14px;border-radius:50%;display:inline-block;}
.win-titlebar .ctrls span.min{background:#fbbf24;}
.win-titlebar .ctrls span.max{background:#22c55e;}
.win-titlebar .ctrls span.close{background:#ef4444;}
.win-toolbar{background:#f3f3f3;border-bottom:1px solid #d4d4d4;padding:5px 10px;display:flex;gap:8px;align-items:center;font-size:0.8rem;color:#1f2937;flex-wrap:wrap;}
.win-toolbar button{background:#fff;border:1px solid #c0c0c0;padding:3px 9px;border-radius:3px;cursor:pointer;font-size:0.76rem;color:#1f2937;}
.win-toolbar button:hover{background:#e9ebef;}
.win-body{padding:14px;background:#fafbfc;font-size:0.85rem;}
.win-section{background:#fff;border:1px solid #e2e8f0;border-radius:4px;margin-bottom:10px;}
.win-section-title{background:linear-gradient(180deg,#f6f7f8,#e9ebed);padding:7px 12px;font-weight:700;font-size:0.8rem;color:#1f2937;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;gap:0.4rem;}
.win-section-body{padding:10px 14px;}
.win-row{display:grid;grid-template-columns:200px 1fr;gap:10px;align-items:center;padding:5px 0;font-size:0.85rem;}
.win-row label{font-weight:600;color:#0f172a;}
.win-row .val{color:#475569;}
.win-row select,.win-row input[type=text],.win-row input[type=number]{padding:4px 8px;border:1px solid #c0c0c0;border-radius:3px;font-size:0.85rem;color:#1f2937;background:#fff;width:100%;max-width:280px;font-family:inherit;}
.win-row input[type=checkbox]{transform:scale(1.15);margin-right:6px;}
.win-tabs{display:flex;border-bottom:1px solid #d4d4d4;background:#f3f3f3;}
.win-tab{padding:7px 16px;border:1px solid transparent;border-bottom:none;cursor:pointer;font-size:0.82rem;color:#1f2937;background:transparent;}
.win-tab.active{background:#fff;border-color:#d4d4d4;font-weight:700;}
.win-tab:hover:not(.active){background:#e9ebef;}
.win-toggle{display:inline-block;position:relative;width:42px;height:22px;background:#cbd5e1;border-radius:11px;cursor:pointer;transition:background 0.15s;vertical-align:middle;}
.win-toggle::after{content:'';position:absolute;left:2px;top:2px;width:18px;height:18px;background:white;border-radius:50%;transition:left 0.15s;}
.win-toggle.on{background:#0078d4;}
.win-toggle.on::after{left:22px;}

/* ===== Realistic Linux/macOS Terminal ===== */
.term{background:#0b1020;color:#e6edf3;border-radius:8px;font-family:'JetBrains Mono','Courier New',monospace;font-size:0.85rem;overflow:hidden;border:1px solid #1e293b;box-shadow:0 8px 24px rgba(0,0,0,0.25);margin:0.5rem 0;}
.term-bar{background:#1e293b;padding:6px 12px;display:flex;gap:6px;align-items:center;font-size:0.74rem;color:#94a3b8;}
.term-bar::before{content:"";width:11px;height:11px;border-radius:50%;background:#ef4444;box-shadow:18px 0 #f59e0b,36px 0 #10b981;}
.term-bar span{margin-left:60px;}
.term-body{padding:11px 14px;min-height:120px;max-height:380px;overflow-y:auto;white-space:pre-wrap;word-break:break-word;line-height:1.55;}
.term-body .pmt{color:#22d3ee;}
.term-body .pmt2{color:#22c55e;}
.term-body .ok{color:#34d399;}
.term-body .err{color:#fca5a5;}
.term-body .warn{color:#fbbf24;}
.term-body .dim{color:#64748b;}
.term-body .info{color:#93c5fd;}
.term-input{display:flex;align-items:center;padding:0 14px 11px;}
.term-input span{color:#22d3ee;margin-right:8px;font-weight:700;}
.term-input input{flex:1;background:transparent;border:none;color:#e6edf3;font-family:inherit;font-size:0.85rem;outline:none;}
.term-cursor::after{content:"\2588";animation:pbq-blink 1s infinite;color:#22d3ee;}

/* ===== AWS-style Cloud Console ===== */
.aws-shell{background:#fff;border:1px solid #d5dbdb;border-radius:5px;overflow:hidden;font-family:'Amazon Ember','Helvetica Neue',Arial,sans-serif;}
.aws-topbar{background:linear-gradient(90deg,#232f3e,#37475a);padding:0.45rem 1rem;display:flex;justify-content:space-between;align-items:center;color:#fff;font-size:0.78rem;}
.aws-topbar .aws-logo{color:#ff9900;font-weight:800;font-size:1rem;display:flex;align-items:center;gap:0.4rem;}
.aws-grid{display:grid;grid-template-columns:200px 1fr;min-height:380px;}
.aws-side{background:#232f3e;color:#fff;}
.aws-side-title{background:#1a242f;padding:0.6rem 0.95rem;font-size:0.74rem;font-weight:800;text-transform:uppercase;color:#ff9900;letter-spacing:0.05em;}
.aws-side ul{list-style:none;padding:0;margin:0;}
.aws-side li{padding:0.55rem 0.95rem;cursor:pointer;font-size:0.82rem;border-left:3px solid transparent;color:#d1d5db;}
.aws-side li:hover{background:#2d3a4a;color:#fff;}
.aws-side li.active{background:#37475a;border-left-color:#ff9900;color:#fff;font-weight:700;}
.aws-main{background:#f9fafb;padding:1rem;color:#0f172a;}
.aws-main h4{font-size:1rem;font-weight:700;color:#0f172a;margin-bottom:0.85rem;display:flex;align-items:center;gap:0.4rem;}
.aws-panel{display:none;}
.aws-panel.active{display:block;}
.aws-table{width:100%;border-collapse:collapse;font-size:0.82rem;}
.aws-table th{background:#232f3e;color:#fff;padding:0.5rem 0.6rem;text-align:left;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.04em;}
.aws-table td{padding:0.45rem 0.6rem;border-bottom:1px solid #e2e8f0;background:#fff;}
.aws-table tr:nth-child(even) td{background:#f8fafc;}
.aws-table input[type=text],.aws-table select{padding:0.3rem 0.45rem;border:1px solid #cbd5e1;border-radius:0.25rem;font-size:0.82rem;color:#0f172a;background:#fff;font-family:inherit;}
.aws-table input[type=text]{width:130px;font-family:'Courier New',monospace;}
.aws-table select.permit{background:#dcfce7;color:#14532d;}
.aws-table select.deny{background:#fee2e2;color:#7f1d1d;}
.aws-pill{display:inline-block;padding:0.15rem 0.5rem;border-radius:1rem;font-size:0.7rem;font-weight:700;}
.aws-pill.run{background:#dcfce7;color:#14532d;}
.aws-pill.stop{background:#fef3c7;color:#92400e;}
.aws-pill.err{background:#fee2e2;color:#7f1d1d;}

/* ===== Network SVG diagram base ===== */
.net-svg-wrap{background:#f8fafc;border:1px solid #e2e8f0;border-radius:0.6rem;padding:0.85rem;margin:0.5rem 0 1rem;overflow-x:auto;}
.net-svg-wrap svg{max-width:100%;display:block;margin:0 auto;}
.net-svg-wrap [data-clickable]{cursor:pointer;transition:opacity 0.15s;}
.net-svg-wrap [data-clickable]:hover{opacity:0.85;filter:drop-shadow(0 0 4px rgba(251,191,36,0.6));}

/* ===== SOHO Router GUI ===== */
.soho-app{background:#1e3a5f;border-radius:8px;overflow:hidden;color:#fff;border:1px solid #0f172a;}
.soho-top{background:linear-gradient(90deg,#0c4a6e,#0e7490);padding:0.55rem 1rem;display:flex;align-items:center;gap:0.55rem;}
.soho-top i{font-size:1.2rem;color:#22d3ee;}
.soho-top b{font-size:0.95rem;}
.soho-side{display:grid;grid-template-columns:170px 1fr;min-height:340px;}
.soho-nav{background:#0f172a;padding:0.5rem 0;}
.soho-nav-item{padding:0.5rem 0.85rem;cursor:pointer;font-size:0.82rem;color:#cbd5e1;border-left:3px solid transparent;}
.soho-nav-item:hover{background:#1e293b;color:#fff;}
.soho-nav-item.active{background:#1e293b;border-left-color:#22d3ee;color:#fff;font-weight:700;}
.soho-content{background:#f8fafc;color:#0f172a;padding:1rem;}
.soho-content h5{color:#0f172a;font-size:0.95rem;margin-bottom:0.7rem;}
.soho-row{display:grid;grid-template-columns:200px 1fr;gap:10px;align-items:center;padding:5px 0;font-size:0.85rem;border-bottom:1px solid #e2e8f0;}
.soho-row:last-child{border-bottom:none;}
.soho-row label{font-weight:600;color:#0f172a;}
.soho-row select,.soho-row input{padding:5px 9px;border:1px solid #94a3b8;border-radius:3px;font-size:0.84rem;background:#fff;color:#0f172a;font-family:inherit;width:100%;max-width:260px;}
.soho-tab{display:none;}
.soho-tab.active{display:block;}

/* ===== Log/Table styles ===== */
.log-table{width:100%;border-collapse:collapse;font-size:0.82rem;background:#fff;border:1px solid #cbd5e1;border-radius:0.45rem;overflow:hidden;}
.log-table th{background:#0f172a;color:#fff;padding:0.5rem 0.7rem;text-align:left;font-size:0.74rem;font-weight:700;letter-spacing:0.04em;text-transform:uppercase;}
.log-table td{padding:0.45rem 0.7rem;border-bottom:1px solid #f1f5f9;font-family:'Courier New',monospace;color:#1f2937;}
.log-table tr:nth-child(even) td{background:#f8fafc;}
.log-table .fail{color:#dc2626;font-weight:700;}
.log-table .ok{color:#16a34a;font-weight:700;}
.log-table .warn{color:#d97706;font-weight:700;}
.log-table tr.highlight td{background:#fef3c7;}

/* ===== Form inputs (general) ===== */
.pbq-form{display:grid;gap:0.55rem;}
.pbq-form .pbq-row{display:grid;grid-template-columns:1fr 1.2fr;gap:0.65rem;align-items:center;}
@media(max-width:600px){.pbq-form .pbq-row{grid-template-columns:1fr;}}
.pbq-form label{font-size:0.85rem;font-weight:700;color:#0f172a;}
.pbq-form input,.pbq-form select,.pbq-form textarea{padding:0.45rem 0.65rem;border:1px solid #cbd5e1;border-radius:0.35rem;font-size:0.86rem;background:#fff;color:#0f172a;font-family:inherit;width:100%;}
.pbq-form input:focus,.pbq-form select:focus,.pbq-form textarea:focus{outline:2px solid #7c3aed;border-color:#7c3aed;}
.pbq-form input.ok,.pbq-form select.ok{border-color:#16a34a;background:#f0fdf4;}
.pbq-form input.bad,.pbq-form select.bad{border-color:#dc2626;background:#fef2f2;}

/* ===== Multiple choice ===== */
.mc-list{display:grid;gap:0.45rem;}
.mc-opt{display:flex;align-items:flex-start;gap:0.55rem;padding:0.55rem 0.7rem;border:1px solid #e2e8f0;border-radius:0.35rem;background:#fff;cursor:pointer;font-size:0.88rem;color:#0f172a;transition:all 0.15s;}
.mc-opt:hover{border-color:#7c3aed;background:#faf5ff;}
.mc-opt input{margin-top:0.15rem;}
.mc-opt.correct{border-color:#16a34a;background:#dcfce7;}
.mc-opt.incorrect{border-color:#dc2626;background:#fee2e2;}

/* ===== Hotspot identification (click on image regions) ===== */
.hotspot-wrap{position:relative;display:inline-block;max-width:100%;}
.hotspot-wrap img,.hotspot-wrap svg{display:block;max-width:100%;}
.hotspot{position:absolute;border:2px dashed transparent;cursor:pointer;border-radius:4px;transition:all 0.15s;}
.hotspot:hover{border-color:#fbbf24;background:rgba(251,191,36,0.15);}
.hotspot.selected{border-color:#7c3aed;background:rgba(139,92,246,0.18);}
.hotspot.correct{border-color:#16a34a;background:rgba(34,197,94,0.18);}
.hotspot.incorrect{border-color:#dc2626;background:rgba(239,68,68,0.18);}

/* ===== Cable wiring (drag wires to RJ45 pin slots) ===== */
.cable-rig{display:grid;grid-template-columns:1fr;gap:1rem;margin:0.5rem 0;}
.cable-jack{background:#0f172a;border-radius:0.55rem;padding:0.85rem;color:#fff;}
.cable-jack-title{font-size:0.92rem;font-weight:800;text-align:center;margin-bottom:0.7rem;color:#fff;}
.cable-jack-label{font-size:0.74rem;text-align:center;color:#fde68a;margin-bottom:0.55rem;text-transform:uppercase;letter-spacing:0.05em;}
.cable-pins{display:grid;grid-template-columns:repeat(8,1fr);gap:0.25rem;background:linear-gradient(180deg,#e0c896,#cba858);padding:0.45rem;border-radius:0.35rem;}
.cable-pin{background:#1e293b;border:2px dashed #475569;border-radius:0.3rem;min-height:54px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:0.2rem;cursor:pointer;position:relative;font-size:0.7rem;color:#cbd5e1;}
.cable-pin::before{content:"Pin "attr(data-pin);position:absolute;top:-15px;left:50%;transform:translateX(-50%);font-size:0.62rem;color:#fff;font-weight:800;}
.cable-pin.over{background:#334155;border-color:#fbbf24;}
.cable-pin.filled{border-style:solid;}
.cable-pin.correct{box-shadow:0 0 0 2px #16a34a;}
.cable-pin.wrong{box-shadow:0 0 0 2px #dc2626;}
.cable-status{margin-top:0.6rem;font-size:0.85rem;font-weight:700;text-align:center;color:#fff;}
.cable-status .ok{color:#22c55e;}
.cable-status .bad{color:#f87171;}
.wire-pool{display:flex;flex-wrap:wrap;gap:0.35rem;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:0.45rem;padding:0.7rem;min-height:80px;margin-top:0.5rem;}
.wire{display:inline-block;min-width:90px;padding:0.4rem 0.55rem;border-radius:0.3rem;font-size:0.7rem;font-weight:800;cursor:grab;border:2px solid #0f172a;text-align:center;line-height:1.15;user-select:none;color:#fff;text-shadow:0 1px 1px rgba(0,0,0,0.4);}
.wire:active{cursor:grabbing;}
.wire.dragging{opacity:0.45;}
.wire.placed{margin:0;min-width:0;width:100%;height:100%;border-radius:0.2rem;border-width:1px;font-size:0.6rem;padding:0.18rem;}
.wire.w-O{background:#f97316;border-color:#9a3412;}
.wire.w-WO{background:repeating-linear-gradient(45deg,#f97316,#f97316 6px,#fff 6px,#fff 12px);color:#0f172a;border-color:#9a3412;text-shadow:none;}
.wire.w-G{background:#22c55e;border-color:#14532d;}
.wire.w-WG{background:repeating-linear-gradient(45deg,#22c55e,#22c55e 6px,#fff 6px,#fff 12px);color:#0f172a;border-color:#14532d;text-shadow:none;}
.wire.w-B{background:#3b82f6;border-color:#1e3a8a;}
.wire.w-WB{background:repeating-linear-gradient(45deg,#3b82f6,#3b82f6 6px,#fff 6px,#fff 12px);color:#0f172a;border-color:#1e3a8a;text-shadow:none;}
.wire.w-Br{background:#92400e;border-color:#451a03;}
.wire.w-WBr{background:repeating-linear-gradient(45deg,#92400e,#92400e 6px,#fff 6px,#fff 12px);color:#0f172a;border-color:#451a03;text-shadow:none;}

/* ===== Wireshark-style packet viewer ===== */
.pcap{background:#fff;border:1px solid #cbd5e1;border-radius:0.5rem;font-family:Consolas,'Courier New',monospace;font-size:0.78rem;overflow:hidden;}
.pcap-head{display:grid;grid-template-columns:60px 90px 200px 200px 80px 60px 1fr;background:#f1f5f9;border-bottom:1px solid #cbd5e1;}
.pcap-head div{padding:0.35rem 0.5rem;font-weight:700;color:#475569;border-right:1px solid #e2e8f0;}
.pcap-row{display:grid;grid-template-columns:60px 90px 200px 200px 80px 60px 1fr;cursor:pointer;border-bottom:1px solid #f1f5f9;}
.pcap-row:hover{background:#fffbeb;}
.pcap-row.sel{background:#dbeafe;}
.pcap-row div{padding:0.3rem 0.5rem;border-right:1px solid #f1f5f9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pcap-tree{padding:0.55rem 0.85rem;font-family:Consolas,monospace;font-size:0.78rem;border-top:1px solid #cbd5e1;background:#fafbfc;}
.pcap-tree .twig{margin-left:1rem;color:#1e293b;}
.pcap-tree .twig.expand{cursor:pointer;}
.pcap-tree .twig.expand::before{content:"\25B6";display:inline-block;margin-right:0.4rem;color:#7c3aed;font-size:0.65rem;transition:transform 0.15s;}
.pcap-tree .twig.expand.open::before{transform:rotate(90deg);}
.pcap-tree .twig .kid{display:none;margin-left:1rem;color:#475569;}
.pcap-tree .twig.open > .kid{display:block;}
.pcap-tree b{color:#7c3aed;}

/* ===== Charts (simple inline SVG-like) ===== */
.bar-chart{display:grid;gap:0.45rem;background:#f8fafc;padding:0.85rem;border-radius:0.4rem;border:1px solid #e2e8f0;}
.bar-row{display:grid;grid-template-columns:140px 1fr 60px;align-items:center;gap:0.5rem;font-size:0.82rem;}
.bar-track{height:14px;background:#e2e8f0;border-radius:7px;overflow:hidden;}
.bar-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:7px;transition:width 0.6s;}
.bar-fill.green{background:linear-gradient(90deg,#22c55e,#16a34a);}
.bar-fill.amber{background:linear-gradient(90deg,#f59e0b,#d97706);}
.bar-fill.red{background:linear-gradient(90deg,#ef4444,#dc2626);}
.bar-val{font-weight:700;color:#0f172a;text-align:right;}

/* ===== Footer ===== */
.pbq-footer{background:#0f172a;color:#cbd5e1;padding:2rem 1rem;text-align:center;font-size:0.85rem;margin-top:2rem;}
.pbq-footer a{color:#22d3ee;text-decoration:none;}

/* ===== Mobile ===== */
@media(max-width:768px){
  .pbq-hero h1{font-size:1.55rem;}
  .pbq-sim-header .pbq-sim-meta{font-size:0.7rem;}
  .pbq-sim-body{padding:0.85rem;}
  .aws-grid{grid-template-columns:1fr;}
  .soho-side{grid-template-columns:1fr;}
  .pbq-sidebar{position:relative;height:auto;max-height:none;top:0;}
}