*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f2ed;--bg-card:#fffdf9;--bg-sidebar:#1a1a2e;--bg-sidebar-hover:#252542;
  --bg-sidebar-active:#2d2d52;--text:#2c2c2c;--text-muted:#6b6b6b;--text-sidebar:#c8c8d8;
  --text-sidebar-active:#fff;--accent:#8b5e3c;--accent-light:#c9956b;--accent-bg:rgba(139,94,60,.07);
  --border:#e0dbd4;--para-num:#8b5e3c;--highlight:#fef3c7;--shadow:0 1px 3px rgba(0,0,0,.06);
  --radius:10px;--sidebar-w:340px;--font-body:'DM Sans',system-ui,sans-serif;
  --font-display:'DM Serif Display',Georgia,serif;
}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);display:flex;min-height:100vh;overflow:hidden}

.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);height:100vh;background:var(--bg-sidebar);
  display:flex;flex-direction:column;overflow:hidden;position:relative;z-index:10;transition:transform .3s ease}
.sidebar-header{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.sidebar-brand{font-family:var(--font-display);font-size:1.3rem;color:#fff;line-height:1.2}
.sidebar-brand small{display:block;font-family:var(--font-body);font-size:.7rem;color:var(--text-sidebar);font-weight:400;margin-top:4px;opacity:.7;letter-spacing:.3px}

.search-box{padding:12px 16px}
.search-wrap{position:relative}
.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,.3);width:16px;height:16px;pointer-events:none;transition:color .2s}
.search-wrap:focus-within svg{color:var(--accent-light)}
.search-input{width:100%;padding:10px 12px 10px 38px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:8px;color:#fff;font-size:.82rem;font-family:var(--font-body);outline:none;transition:all .2s}
.search-input::placeholder{color:rgba(255,255,255,.28)}
.search-input:focus{background:rgba(255,255,255,.1);border-color:var(--accent-light)}

.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0 20px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}
.sidebar-nav::-webkit-scrollbar{width:5px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:9px}

.nav-titulo{padding:16px 20px 6px;font-size:.62rem;font-weight:600;color:rgba(255,255,255,.3);letter-spacing:1.2px;text-transform:uppercase}
.nav-cap{display:flex;align-items:center;gap:10px;padding:9px 20px;cursor:pointer;color:var(--text-sidebar);font-size:.82rem;font-weight:500;transition:all .15s;border-left:3px solid transparent;user-select:none}
.nav-cap:hover{background:var(--bg-sidebar-hover);color:#e8e8f0}
.nav-cap.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active);border-left-color:var(--accent-light)}
.nav-cap .cap-icon{font-size:1rem;flex-shrink:0;width:22px;text-align:center}
.nav-cap .cap-num{font-size:.65rem;color:rgba(255,255,255,.25);font-weight:600;margin-left:auto;flex-shrink:0}
.nav-sections{overflow:hidden;max-height:0;transition:max-height .35s ease}
.nav-sections.open{max-height:800px}
.nav-sec{display:block;padding:7px 20px 7px 52px;font-size:.75rem;color:rgba(255,255,255,.4);cursor:pointer;transition:all .15s;text-decoration:none;border-left:3px solid transparent}
.nav-sec:hover{color:rgba(255,255,255,.7);background:rgba(255,255,255,.02)}
.nav-sec.active{color:var(--accent-light);border-left-color:var(--accent-light);background:rgba(139,94,60,.08)}
.nav-sec .sec-range{font-size:.62rem;opacity:.5;margin-left:4px}

.nav-glosario{display:flex;align-items:center;gap:10px;padding:9px 20px;cursor:pointer;color:var(--text-sidebar);font-size:.82rem;font-weight:500;transition:all .15s;border-left:3px solid transparent;user-select:none;border-top:1px solid rgba(255,255,255,.04);margin-top:4px}
.nav-glosario:hover{background:var(--bg-sidebar-hover);color:#e8e8f0}
.nav-glosario.active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active);border-left-color:var(--accent-light)}

.search-results{display:none;flex:1;overflow-y:auto;padding:8px 12px}
.search-results.visible{display:block}
.search-result{padding:10px 12px;border-radius:6px;cursor:pointer;margin-bottom:2px;transition:background .15s}
.search-result:hover{background:rgba(255,255,255,.06)}
.search-result .sr-para{font-size:.68rem;color:var(--accent-light);font-weight:600}
.search-result .sr-text{font-size:.75rem;color:rgba(255,255,255,.5);margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.search-result .sr-text mark{background:transparent;color:var(--accent-light);font-weight:600}
.search-result .sr-cap{font-size:.62rem;color:rgba(255,255,255,.2);margin-top:3px}

.main{flex:1;height:100vh;overflow-y:auto;scroll-behavior:smooth}
.main-inner{max-width:800px;margin:0 auto;padding:36px 44px 100px}
.content-header{margin-bottom:32px;padding-bottom:20px;border-bottom:2px solid var(--border)}
.content-header h1{font-family:var(--font-display);font-size:1.75rem;color:var(--text);line-height:1.2}
.content-header .ch-subtitle{font-size:.82rem;color:var(--text-muted);margin-top:5px}
.section-block{margin-bottom:36px}
.section-title{font-family:var(--font-display);font-size:1.15rem;color:var(--accent);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border);scroll-margin-top:20px}

.paragraph{margin-bottom:12px;padding:12px 16px;background:var(--bg-card);border-radius:var(--radius);border:1px solid transparent;box-shadow:var(--shadow);transition:all .25s;line-height:1.65;font-size:.8rem;position:relative;scroll-margin-top:20px}
.paragraph:hover{border-color:var(--border)}
.paragraph.highlighted{border-color:var(--accent-light);background:#fffbf5;box-shadow:0 0 0 3px rgba(139,94,60,.1)}

.para-num{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--para-num);font-size:.75rem;margin-right:8px;font-family:var(--font-body);user-select:none;cursor:pointer;vertical-align:top}
.para-num .bullet{width:6px;height:6px;border-radius:50%;background:var(--accent-light);flex-shrink:0;opacity:.7}
.para-num:hover .bullet{opacity:1}

.para-subheader{font-weight:700;font-size:.82rem;color:var(--text);margin:20px 0 8px;
  padding:6px 0 4px;font-family:var(--font-body);letter-spacing:.2px}
.para-subheader.caps{font-size:.72rem;letter-spacing:.8px;color:var(--accent);text-transform:uppercase;
  margin-top:28px;padding-bottom:6px;border-bottom:1px solid var(--border)}

.para-text{display:inline}
.para-text .inciso{display:block;padding-left:20px;text-indent:-20px;margin-top:3px}
.para-text .sub-inciso{display:block;padding-left:40px;text-indent:-20px;margin-top:1px}
.para-text .bloque{display:block;margin-top:6px}
.para-text mark{background:var(--highlight);padding:1px 2px;border-radius:2px}

.para-ref{color:var(--accent);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:2px;cursor:pointer;font-weight:500;transition:color .15s}
.para-ref:hover{color:var(--accent-light);text-decoration-style:solid}

.glosario-search{padding:0 0 20px;position:sticky;top:0;background:var(--bg);z-index:2}
.glosario-input{width:100%;padding:10px 14px 10px 38px;border:1px solid var(--border);border-radius:8px;font-size:.82rem;font-family:var(--font-body);background:var(--bg-card);outline:none;transition:border-color .2s}
.glosario-input:focus{border-color:var(--accent-light)}
.glosario-wrap{position:relative}
.glosario-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px;pointer-events:none}
.glosario-entry{margin-bottom:10px;padding:12px 16px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid transparent;transition:border-color .2s}
.glosario-entry:hover{border-color:var(--border)}
.glosario-term{font-weight:700;color:var(--accent);font-size:.82rem;margin-bottom:4px}
.glosario-def{font-size:.78rem;line-height:1.6;color:var(--text)}
.glosario-letter{font-family:var(--font-display);font-size:1.4rem;color:var(--accent);margin:24px 0 10px;padding-bottom:4px;border-bottom:1px solid var(--border)}

.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;text-align:center;padding:40px}
.welcome-icon{margin-bottom:20px;color:var(--accent);opacity:.8}
.welcome h2{font-family:var(--font-display);font-size:1.7rem;color:var(--text);margin-bottom:12px}
.welcome p{color:var(--text-muted);font-size:.88rem;max-width:440px;line-height:1.6}
.welcome .stats{display:flex;gap:32px;margin-top:28px;flex-wrap:wrap;justify-content:center}
.welcome .stat{text-align:center}
.welcome .stat-num{font-family:var(--font-display);font-size:1.8rem;color:var(--accent)}
.welcome .stat-label{font-size:.72rem;color:var(--text-muted);margin-top:2px}
.welcome .hint{margin-top:24px;font-size:.75rem;color:var(--text-muted);opacity:.6}
.welcome .hint kbd{background:#e8e4de;padding:2px 6px;border-radius:4px;font-size:.7rem}

.back-top{position:fixed;bottom:24px;right:24px;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;font-size:1rem;box-shadow:0 4px 12px rgba(139,94,60,.3);opacity:0;transform:translateY(10px);transition:all .3s;display:flex;align-items:center;justify-content:center;z-index:20}
.back-top.visible{opacity:1;transform:translateY(0)}

.back-para{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  padding:10px 20px;border-radius:24px;background:var(--bg-sidebar);color:#fff;border:none;
  cursor:pointer;font-size:.78rem;font-weight:600;font-family:var(--font-body);
  box-shadow:0 4px 20px rgba(0,0,0,.25);opacity:0;pointer-events:none;
  transition:all .3s ease;display:flex;align-items:center;gap:8px;z-index:25;
  white-space:nowrap;max-width:90vw}
.back-para.visible{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.back-para:hover{background:var(--bg-sidebar-hover);box-shadow:0 6px 24px rgba(0,0,0,.3)}
.back-para svg{flex-shrink:0;opacity:.6}
.back-para .bp-label{opacity:.7;font-weight:400}
.back-top:hover{background:var(--accent-light);transform:translateY(-2px)}

.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:54px;background:var(--bg-sidebar);z-index:30;padding:0 16px;align-items:center;gap:12px}
.hamburger{background:none;border:none;color:#fff;font-size:1.4rem;cursor:pointer;padding:4px}
.mobile-header .mh-title{color:#fff;font-family:var(--font-display);font-size:.95rem}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:9}

.sidebar-tabs{display:flex;gap:0;margin-top:14px;border-radius:6px;overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.sidebar-tab{flex:1;padding:7px 0;background:transparent;border:none;color:rgba(255,255,255,.35);font-size:.68rem;font-weight:600;letter-spacing:.8px;font-family:var(--font-body);cursor:pointer;transition:all .2s}
.sidebar-tab:hover{color:rgba(255,255,255,.6);background:rgba(255,255,255,.04)}
.sidebar-tab.active{background:rgba(255,255,255,.08);color:#fff}

.soporte-page{text-align:center;padding:60px 32px 40px}
.soporte-icon{margin-bottom:18px;color:var(--accent);opacity:.7}
.soporte-page h2{font-family:var(--font-display);font-size:1.5rem;color:var(--text);margin-bottom:10px}
.soporte-page .soporte-sub{color:var(--text-muted);font-size:.88rem;line-height:1.6;max-width:440px;margin:0 auto 32px}
.soporte-buttons{display:flex;flex-direction:column;gap:12px;max-width:360px;margin:0 auto}
.soporte-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:10px;font-size:.88rem;font-weight:600;font-family:var(--font-body);text-decoration:none;transition:all .2s;border:none;cursor:pointer}
.soporte-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,.15)}
.soporte-btn.whatsapp{background:#25D366;color:#fff}
.soporte-btn.whatsapp:hover{background:#1ebe5a}
.soporte-btn.whatsapp svg{flex-shrink:0}
.soporte-footer{margin-top:40px;font-size:.72rem;color:var(--text-muted);opacity:.5}

@media(max-width:900px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%);z-index:20;width:300px;min-width:300px}
  .sidebar.open{transform:translateX(0)}
  .overlay.open{display:block}
  .mobile-header{display:flex}
  .main{padding-top:54px}
  .main-inner{padding:20px 16px 80px}
  .content-header h1{font-size:1.35rem}
  .section-title{font-size:1rem}
  .paragraph{padding:10px 14px;font-size:.78rem}
}

.section-subheader {
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted, #888);
  padding: 1.4rem 1rem 0.4rem 1rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border, #e5e7eb);
}