/* =========================================================
   POR Online — design tokens sampled from the official cover:
   navy #264D7E, blue #508FCB, lime green #A8D05F, yellow #FFF100
   ========================================================= */
:root{
  --navy: #1E4270;
  --navy-2: #16314f;
  --navy-3: #123055;
  --blue: #508FCB;
  --blue-light: #E7F1FA;
  --green: #8FC33F;
  --green-dark: #6ea62b;
  --yellow: #FFD400;

  --paper: #ffffff;
  --paper-alt: #F6F8FB;
  --paper-card: #ffffff;
  --ink: #1c2733;
  --ink-soft: #4b5a6b;
  --ink-faint: #8291a1;
  --border: #E3E9F0;
  --border-strong: #cdd8e3;
  --shadow: 0 8px 24px -12px rgba(18,48,85,.18);
  --shadow-lg: 0 20px 45px -20px rgba(18,48,85,.35);

  --font-head: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --topbar-h: 64px;
  --sidebar-w: 300px;
  --radius: 14px;
  --radius-sm: 8px;
}

:root[data-theme="dark"]{
  --paper: #14263f;
  --paper-alt: #0f1e34;
  --paper-card: #1a2f4d;
  --ink: #eaf1f9;
  --ink-soft: #b7c6d8;
  --ink-faint: #7f93ab;
  --border: #26405f;
  --border-strong: #35577e;
  --blue-light: #1c3654;
  --shadow: 0 8px 24px -12px rgba(0,0,0,.5);
  --shadow-lg: 0 20px 45px -20px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper-alt);
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease, color .25s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--navy); color:#fff;
  padding:10px 16px; z-index:200; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------------- Topbar ---------------- */
.topbar{
  position:fixed; top:0; left:0; right:0; height:var(--topbar-h);
  background:var(--navy);
  display:flex; align-items:center; gap:14px;
  padding:0 18px;
  z-index:100;
  box-shadow:0 2px 14px rgba(0,0,0,.18);
}
.icon-btn{
  background:transparent; border:none; color:#dce8f5; cursor:pointer;
  width:38px; height:38px; display:flex; align-items:center; justify-content:center;
  border-radius:8px; flex:none;
}
.icon-btn:hover{background:rgba(255,255,255,.1);}
.icon-btn svg{width:20px;height:20px;}

.nav-toggle{display:none; flex-direction:column; gap:4px; padding:9px;}
.nav-toggle span{display:block; width:20px; height:2px; background:#dce8f5; border-radius:2px;}

.brand{display:flex; align-items:baseline; gap:10px; flex:none; min-width:0;}
.brand-mark{
  font-family:var(--font-head); font-weight:800; font-size:22px; letter-spacing:.5px;
  color:var(--green);
}
.brand-text{
  font-size:13.5px; font-weight:600; color:#dce8f5; letter-spacing:.2px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

.search-wrap{position:relative; flex:1; max-width:560px; margin-left:auto;}
.search-icon{
  position:absolute; left:12px; top:50%; transform:translateY(-50%);
  width:17px; height:17px; color:#9fb4c9; pointer-events:none;
}
.search-input{
  width:100%; height:38px; border-radius:19px; border:1px solid transparent;
  background:rgba(255,255,255,.13); color:#fff; padding:0 34px;
  font-size:14px; outline:none;
}
.search-input::placeholder{color:#a9bdd1;}
.search-input:focus{background:#fff; color:var(--ink); border-color:var(--blue);}
.search-input:focus::placeholder{color:var(--ink-faint);}
.search-clear{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  background:none; border:none; color:var(--ink-faint); font-size:20px; line-height:1;
  cursor:pointer; width:24px; height:24px; border-radius:50%;
}
.search-results{
  position:absolute; top:calc(100% + 8px); left:0; right:0;
  background:var(--paper-card); border-radius:var(--radius-sm);
  box-shadow:var(--shadow-lg); border:1px solid var(--border);
  max-height:70vh; overflow-y:auto; z-index:150;
}
.sr-group-label{
  font-size:11px; text-transform:uppercase; letter-spacing:.6px; font-weight:700;
  color:var(--ink-faint); padding:10px 14px 4px;
}
.sr-item{
  display:block; padding:9px 14px; border-radius:8px; margin:0 6px;
}
.sr-item:hover, .sr-item.active-kb{background:var(--blue-light);}
.sr-item .sr-code{
  font-family:var(--font-head); font-weight:700; font-size:11px; color:var(--blue);
  background:var(--blue-light); padding:2px 7px; border-radius:5px; margin-right:8px;
}
:root[data-theme="dark"] .sr-item .sr-code{background:#20395a;}
.sr-item .sr-title{font-weight:600; font-size:14px;}
.sr-item .sr-snippet{font-size:12.5px; color:var(--ink-soft); margin-top:2px; line-height:1.4;}
.sr-item mark{background:rgba(143,195,63,.35); color:inherit; border-radius:2px;}
.sr-empty{padding:22px 14px; text-align:center; color:var(--ink-faint); font-size:14px;}
.sr-footer{padding:8px 14px; border-top:1px solid var(--border); font-size:12px; color:var(--ink-faint);}

/* ---------------- Shell / Sidebar ---------------- */
.app-shell{display:flex; padding-top:var(--topbar-h); min-height:100vh;}

.nav-overlay{
  display:none; position:fixed; inset:0; top:var(--topbar-h);
  background:rgba(10,20,35,.45); z-index:89;
}
.nav-overlay.show{display:block;}

.sidebar{
  position:fixed; top:var(--topbar-h); left:0; bottom:0; width:var(--sidebar-w);
  background:var(--navy-2); z-index:90; border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-scroll{height:100%; overflow-y:auto; padding:16px 10px 40px;}
.sidebar-scroll::-webkit-scrollbar{width:8px;}
.sidebar-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15); border-radius:4px;}

.side-home-link{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:10px;
  color:#dce8f5; font-weight:600; font-size:14px; margin-bottom:6px;
}
.side-home-link svg{width:17px;height:17px;}
.side-home-link:hover, .side-home-link.active{background:rgba(255,255,255,.08); color:#fff;}

.side-section-label{
  font-size:11px; text-transform:uppercase; letter-spacing:.8px; font-weight:700;
  color:#6f89a6; padding:16px 12px 8px;
}

.chap-item{margin-bottom:2px;}
.chap-btn{
  width:100%; display:flex; align-items:center; gap:9px; text-align:left;
  background:none; border:none; color:#c9d9e8; padding:9px 10px; border-radius:9px;
  font-size:13.5px; font-weight:600; cursor:pointer; line-height:1.3;
}
.chap-btn:hover{background:rgba(255,255,255,.06); color:#fff;}
.chap-item.open > .chap-btn, .chap-btn.active{background:rgba(143,195,63,.14); color:#fff;}
.chap-num-badge{
  flex:none; width:22px; height:22px; border-radius:6px; background:rgba(255,255,255,.1);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-head);
  font-size:11px; font-weight:700; color:#dce8f5;
}
.chap-item.open > .chap-btn .chap-num-badge, .chap-btn.active .chap-num-badge{background:var(--green); color:var(--navy-3);}
.chap-title-txt{flex:1; min-width:0;}
.chap-caret{flex:none; width:14px; height:14px; color:#7f93ab; transition:transform .18s ease;}
.chap-item.open .chap-caret{transform:rotate(90deg);}

.rule-list{
  list-style:none; margin:2px 0 8px; padding:0 0 0 14px;
  max-height:0; overflow:hidden; transition:max-height .25s ease;
}
.chap-item.open .rule-list{max-height:3000px;}
.rule-list li a{
  display:block; padding:6.5px 10px 6.5px 18px; border-radius:8px; font-size:13px;
  color:#a9bdd1; border-left:2px solid transparent; margin:1px 0;
}
.rule-list li a:hover{color:#fff; background:rgba(255,255,255,.05);}
.rule-list li a.active{color:#fff; border-left-color:var(--green); background:rgba(143,195,63,.12); font-weight:600;}
.rule-list li a .rc{color:#7f93ab; font-variant-numeric:tabular-nums; margin-right:6px;}

.side-extra-link{
  display:block; margin:18px 10px 0; padding:10px 12px; border-radius:9px;
  color:#a9bdd1; font-size:13px; font-weight:600; border:1px dashed rgba(255,255,255,.15);
  text-align:center;
}
.side-extra-link:hover{color:#fff; border-color:rgba(255,255,255,.3);}
.side-extra-link.active{color:#fff; background:rgba(255,255,255,.06);}

.anexo-nav-link{
  display:flex; align-items:center; gap:9px; padding:9px 10px; border-radius:9px;
  color:#c9d9e8; font-size:13.5px; font-weight:600;
}
.anexo-nav-link:hover, .anexo-nav-link.active{background:rgba(80,143,203,.18); color:#fff;}

/* ---------------- Content ---------------- */
.content{
  flex:1; margin-left:var(--sidebar-w); min-width:0;
  padding:0 0 80px;
}
#view{max-width:920px; margin:0 auto; padding:0 32px;}

/* ---------------- Hero / Home ---------------- */
.hero{
  background:var(--navy); color:#fff; position:relative; overflow:hidden;
  margin:-1px -32px 0; padding:56px 32px 64px;
}
.hero-inner{max-width:856px; margin:0 auto; position:relative; z-index:2;}
.hero-shape{
  position:absolute; right:-40px; top:20px; width:230px; height:230px; z-index:1; opacity:.9;
}
.hero-mark{
  font-family:var(--font-head); font-weight:800; color:var(--green);
  font-size:clamp(56px, 10vw, 96px); line-height:.9; margin:0 0 18px; letter-spacing:1px;
}
.hero-sub{margin:0 0 8px; font-size:clamp(20px,3vw,28px); font-weight:700;}
.hero-sub .thin{font-weight:400; color:#cdddec;}
.hero-desc{max-width:560px; color:#c9d9e8; font-size:15px; line-height:1.6; margin:18px 0 28px;}
.hero-meta{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px;}
.pill{
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.16);
  padding:6px 13px; border-radius:20px; font-size:12.5px; font-weight:600; color:#e4edf6;
}
.hero-icons{display:flex; flex-wrap:wrap; gap:22px; margin-top:8px;}
.hero-icons svg{width:26px; height:26px; color:var(--green); opacity:.85;}
.hero-cta{
  display:inline-flex; align-items:center; gap:8px; background:var(--green);
  color:var(--navy-3); font-weight:700; font-size:14.5px; padding:12px 22px;
  border-radius:30px; margin-top:8px;
}
.hero-cta:hover{background:#a2d858;}

.home-search{
  max-width:856px; margin:-30px auto 40px; position:relative; z-index:3;
  background:var(--paper-card); border-radius:16px; box-shadow:var(--shadow-lg);
  padding:22px 24px; border:1px solid var(--border);
}
.home-search label{font-family:var(--font-head); font-weight:700; font-size:14.5px; display:block; margin-bottom:10px;}
.home-search-row{position:relative;}
.home-search-row input{
  width:100%; height:46px; border-radius:12px; border:1.5px solid var(--border-strong);
  padding:0 44px; font-size:15px; background:var(--paper); color:var(--ink); outline:none;
}
.home-search-row input:focus{border-color:var(--blue);}
.home-search-row svg{position:absolute; left:14px; top:50%; transform:translateY(-50%); width:18px; height:18px; color:var(--ink-faint);}

.section-heading{
  font-family:var(--font-head); font-weight:700; font-size:22px; margin:0 0 4px;
  display:flex; align-items:center; gap:10px;
}
.section-heading .bar{width:5px; height:22px; background:var(--green); border-radius:3px; display:inline-block;}
.section-sub{color:var(--ink-soft); font-size:14.5px; margin:0 0 22px;}

.chapter-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(250px,1fr)); gap:16px;
  margin-bottom:44px;
}
.chapter-card{
  background:var(--paper-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px; display:flex; flex-direction:column; gap:10px; box-shadow:var(--shadow);
  transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.chapter-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-lg); border-color:var(--blue);}
.chapter-card-top{display:flex; align-items:center; gap:12px;}
.chapter-card-icon{
  flex:none; width:40px; height:40px; border-radius:10px; background:var(--blue-light);
  color:var(--blue); display:flex; align-items:center; justify-content:center;
}
.chapter-card-icon svg{width:21px;height:21px;}
.chapter-card-num{font-family:var(--font-head); font-weight:700; font-size:11.5px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.5px;}
.chapter-card-title{font-family:var(--font-head); font-weight:700; font-size:15.5px; line-height:1.3; margin:0;}
.chapter-card-count{font-size:12.5px; color:var(--ink-faint); margin-top:auto;}

.anexos-card{
  background:linear-gradient(135deg, var(--navy), var(--navy-3)); color:#fff;
  border-radius:var(--radius); padding:26px; display:flex; align-items:center; justify-content:space-between;
  gap:20px; margin-bottom:20px; flex-wrap:wrap;
}
.anexos-card h3{font-family:var(--font-head); margin:0 0 6px; font-size:18px;}
.anexos-card p{margin:0; color:#c9d9e8; font-size:14px; max-width:480px;}
.anexos-card a{
  background:var(--green); color:var(--navy-3); font-weight:700; padding:10px 18px;
  border-radius:24px; font-size:13.5px; white-space:nowrap;
}

/* ---------------- Breadcrumb ---------------- */
.breadcrumb{
  display:flex; flex-wrap:wrap; align-items:center; gap:6px; font-size:12.5px;
  color:var(--ink-faint); margin:22px 0 6px; font-weight:600;
}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .sep{color:var(--border-strong);}

/* ---------------- Chapter page ---------------- */
.chapter-header{margin:8px 0 26px;}
.chapter-eyebrow{
  font-family:var(--font-head); font-weight:700; font-size:12.5px; letter-spacing:1px;
  color:var(--blue); text-transform:uppercase; margin:0 0 6px;
}
.chapter-title{font-family:var(--font-head); font-weight:700; font-size:clamp(24px,4vw,32px); margin:0 0 10px;}
.chapter-title-icon{color:var(--green); display:inline-flex; vertical-align:-6px; margin-right:10px;}
.chapter-title-icon svg{width:28px;height:28px;}

.rule-card-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
.rule-card{
  display:flex; gap:14px; align-items:flex-start; padding:16px 18px; border-radius:12px;
  border:1px solid var(--border); background:var(--paper-card);
}
.rule-card:hover{border-color:var(--blue); background:var(--blue-light);}
.rule-card .rc-code{
  font-family:var(--font-head); font-weight:800; font-size:13px; color:var(--blue);
  background:var(--blue-light); border-radius:8px; padding:6px 9px; flex:none; min-width:52px; text-align:center;
}
:root[data-theme="dark"] .rule-card .rc-code{background:#20395a;}
.rule-card .rc-title{font-weight:600; font-size:15px; line-height:1.4;}
.rule-card .rc-preview{font-size:13px; color:var(--ink-soft); margin-top:3px; line-height:1.5;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;}

/* ---------------- Rule detail page ---------------- */
.rule-page{padding-bottom:30px;}
.rule-head{
  border-bottom:2px solid var(--border); padding-bottom:22px; margin-bottom:26px;
}
.rule-badge{
  display:inline-flex; align-items:center; gap:8px; background:var(--navy); color:var(--green);
  font-family:var(--font-head); font-weight:800; font-size:13px; padding:7px 14px;
  border-radius:20px; margin-bottom:14px; letter-spacing:.4px;
}
.rule-title{font-family:var(--font-head); font-weight:700; font-size:clamp(22px,4vw,29px); margin:0 0 10px; line-height:1.25;}
.rule-tools{display:flex; gap:8px; flex-wrap:wrap; margin-top:14px;}
.tool-btn{
  display:inline-flex; align-items:center; gap:6px; background:var(--paper-alt);
  border:1px solid var(--border); color:var(--ink-soft); font-size:12.5px; font-weight:600;
  padding:7px 12px; border-radius:20px; cursor:pointer;
}
.tool-btn:hover{border-color:var(--blue); color:var(--blue);}
.tool-btn svg{width:14px;height:14px;}

.rule-body{font-size:15.5px; line-height:1.75; color:var(--ink);}
.rule-body p{margin:0 0 16px;}
.rule-body blockquote{
  margin:0 0 16px; padding:16px 20px; background:var(--blue-light); border-left:4px solid var(--blue);
  border-radius:0 10px 10px 0; font-style:italic; color:var(--navy);
}
:root[data-theme="dark"] .rule-body blockquote{color:#dce8f5;}
.rule-body ol{margin:0 0 16px; padding-left:0; list-style:none;}
.rule-body ol.list-roman{counter-reset:roman;}
.rule-body ol.list-roman > li{counter-increment:roman; padding-left:40px; position:relative; margin-bottom:12px;}
.rule-body ol.list-roman > li::before{
  content: counter(roman, upper-roman) " –"; position:absolute; left:0; font-weight:700; color:var(--blue);
  font-family:var(--font-head); font-size:13.5px;
}
.rule-body ol.list-alpha{counter-reset:alpha; margin-left:14px; padding-left:0;}
.rule-body ol.list-alpha > li{counter-increment:alpha; padding-left:30px; position:relative; margin-bottom:9px;}
.rule-body ol.list-alpha > li::before{
  content: counter(alpha, lower-alpha) ")"; position:absolute; left:0; font-weight:700; color:var(--green-dark);
}
.rule-body ol.list-num{counter-reset:num; margin-left:0;}
.rule-body ol.list-num > li{counter-increment:num; padding-left:30px; position:relative; margin-bottom:9px;}
.rule-body ol.list-num > li::before{
  content: counter(num) "."; position:absolute; left:0; font-weight:700; color:var(--blue);
}

.rule-images{display:flex; flex-direction:column; gap:14px; margin:20px 0;}
.rule-images figure{margin:0; border:1px solid var(--border); border-radius:12px; overflow:hidden; background:var(--paper-alt);}
.rule-images img{width:100%; cursor:zoom-in;}
.rule-images figcaption{
  font-size:12px; color:var(--ink-faint); padding:8px 12px; display:flex; align-items:center; gap:6px;
}
.rule-images figcaption svg{width:13px;height:13px;}

.rule-pagenav{
  display:flex; justify-content:space-between; gap:14px; margin-top:38px; padding-top:22px;
  border-top:1px solid var(--border);
}
.pn-link{
  flex:1; max-width:48%; padding:14px 16px; border-radius:12px; border:1px solid var(--border);
  background:var(--paper-card);
}
.pn-link:hover{border-color:var(--blue); background:var(--blue-light);}
.pn-link.next{text-align:right; margin-left:auto;}
.pn-dir{font-size:11px; text-transform:uppercase; letter-spacing:.6px; color:var(--ink-faint); font-weight:700;}
.pn-title{font-size:13.5px; font-weight:600; margin-top:3px;}

/* ---------------- Anexos ---------------- */
.anexo-section{margin-bottom:40px; padding-bottom:6px;}
.anexo-section h4{
  font-family:var(--font-head); font-weight:700; font-size:15px; margin:22px 0 10px;
  color:var(--navy); border-left:3px solid var(--green); padding-left:10px;
}
:root[data-theme="dark"] .anexo-section h4{color:#dce8f5;}
.anexo-grid{
  list-style:none; margin:0 0 16px; padding:0; display:grid; grid-template-columns:repeat(auto-fill, minmax(200px,1fr));
  gap:6px 14px; font-size:13.5px; color:var(--ink-soft);
}
.anexo-grid li{padding:5px 0; border-bottom:1px dashed var(--border);}
.anexo-group{margin-bottom:26px;}
.anexo-group-label{font-family:var(--font-head); font-weight:700; font-size:14px; margin:0 0 10px; color:var(--blue);}
.anexo-img-row{display:flex; flex-wrap:wrap; gap:14px;}
.anexo-img-row figure{margin:0; flex:1 1 260px; border:1px solid var(--border); border-radius:12px; overflow:hidden;}
.anexo-img-row img{width:100%; cursor:zoom-in;}

/* ---------------- Sobre / Credits ---------------- */
.credits-grid{display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); gap:20px; margin:24px 0 36px;}
.credit-block{background:var(--paper-card); border:1px solid var(--border); border-radius:12px; padding:18px;}
.credit-block h5{margin:0 0 8px; font-family:var(--font-head); font-size:13px; text-transform:uppercase; letter-spacing:.5px; color:var(--blue);}
.credit-block p{margin:0; font-size:14px; line-height:1.6;}
.contact-box{
  background:var(--navy); color:#fff; border-radius:14px; padding:24px; margin-top:20px;
}
.contact-box h5{margin:0 0 10px; font-family:var(--font-head);}
.contact-box p{margin:4px 0; font-size:14px; color:#c9d9e8;}

/* ---------------- Lightbox ---------------- */
.lightbox{
  position:fixed; inset:0; background:rgba(8,16,28,.92); z-index:300;
  display:flex; align-items:center; justify-content:center; padding:40px;
}
.lightbox img{max-width:100%; max-height:100%; border-radius:8px; box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lightbox-close{
  position:absolute; top:20px; right:24px; background:rgba(255,255,255,.12); border:none;
  color:#fff; width:40px; height:40px; border-radius:50%; font-size:22px; cursor:pointer;
}

/* ---------------- To top ---------------- */
.to-top{
  position:fixed; right:22px; bottom:22px; width:44px; height:44px; border-radius:50%;
  background:var(--navy); color:var(--green); border:none; box-shadow:var(--shadow-lg); cursor:pointer;
  display:flex; align-items:center; justify-content:center; z-index:60;
}
.to-top svg{width:19px;height:19px;}

/* ---------------- Not found / empty ---------------- */
.empty-state{text-align:center; padding:80px 20px; color:var(--ink-faint);}
.empty-state h2{font-family:var(--font-head); color:var(--ink); margin-bottom:8px;}

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .sidebar{transform:translateX(-100%); transition:transform .22s ease; box-shadow:var(--shadow-lg);}
  .sidebar.open{transform:translateX(0);}
  .content{margin-left:0;}
  .nav-toggle{display:flex;}
  .brand-text{display:none;}
}
@media (max-width: 640px){
  .search-wrap{position:static;}
  .search-results{left:14px; right:14px; top:calc(var(--topbar-h) + 6px);}
  #view{padding:0 18px;}
  .hero{margin:-1px -18px 0; padding:40px 18px 52px;}
  .home-search{margin-left:0; margin-right:0; padding:18px;}
  .hero-shape{display:none;}
  .rule-pagenav{flex-direction:column;}
  .pn-link{max-width:100%;}
}

/* ---------------- Print ---------------- */
@media print{
  .topbar, .sidebar, .to-top, .rule-tools, .rule-pagenav, .breadcrumb, .nav-overlay{display:none !important;}
  .content{margin-left:0;}
  body{background:#fff;}
}