:root{--epr-ink:#14213d;--epr-muted:#64748b;--epr-line:#dce7ef;--epr-soft:#f4f9fc;--epr-accent:#087f8c;--epr-blue:#0b6aa2;--epr-white:#fff;--epr-shadow:0 18px 48px rgba(15,35,58,.08)}
.epr-page{background:linear-gradient(180deg,#eef8fb 0,#f8fbfd 230px,#fff 620px);color:var(--epr-ink);min-height:70vh}
.epr-hero{padding:44px 0 34px;background:radial-gradient(circle at 12% 0,rgba(20,184,166,.13),transparent 32%),radial-gradient(circle at 86% 10%,rgba(14,116,144,.12),transparent 30%)}
.epr-hero span,.epr-kicker{display:inline-block;color:var(--epr-accent);font-size:.77rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.epr-hero h1{max-width:860px;margin:.55rem 0 .65rem;line-height:1.08;letter-spacing:-.035em}
.epr-hero p{max-width:780px;margin:0;color:#506278;font-size:1.06rem;line-height:1.75}
.epr-layout{display:grid;grid-template-columns:minmax(280px,350px) minmax(0,1fr);gap:26px;align-items:start;padding-top:30px;padding-bottom:70px}
.epr-sidebar{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;border:1px solid var(--epr-line);border-radius:22px;background:rgba(255,255,255,.97);box-shadow:var(--epr-shadow);scrollbar-width:thin}
.epr-sidebar-head{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;padding:18px 20px;background:#fff;border-bottom:1px solid var(--epr-line)}
.epr-sidebar-head span{display:grid;place-items:center;min-width:30px;height:30px;padding:0 8px;border-radius:999px;background:#e8f7f8;color:var(--epr-accent);font-weight:800;font-size:.8rem}
.epr-search{display:block;padding:16px 18px 10px;background:#fff}
.epr-search span{display:block;margin-bottom:7px;color:var(--epr-muted);font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.epr-search input{width:100%;min-height:43px;padding:10px 12px;border:1px solid var(--epr-line);border-radius:12px;background:var(--epr-soft);color:var(--epr-ink);outline:none}
.epr-search input:focus{border-color:#5bb6c0;box-shadow:0 0 0 3px rgba(8,127,140,.1)}
.epr-tree{padding:8px 10px 15px}
.epr-category{border-bottom:1px solid #edf2f6}
.epr-category-toggle{display:flex;width:100%;gap:12px;align-items:center;justify-content:space-between;padding:13px 10px;border:0;background:transparent;color:var(--epr-ink);text-align:left;cursor:pointer}
.epr-category-toggle strong{font-size:.91rem;line-height:1.4}
.epr-category-toggle span{flex:0 0 auto;color:var(--epr-accent);font-size:1.15rem;font-weight:700}
.epr-category.is-open>.epr-category-toggle{color:var(--epr-blue)}
.epr-subcategories{padding:0 5px 11px 13px}
.epr-subcategory{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:3px 0;padding:10px 11px;border-radius:11px;color:#405269;text-decoration:none;font-size:.86rem;line-height:1.35;transition:background .15s,color .15s,transform .15s}
.epr-subcategory:hover{background:#eff8fa;color:var(--epr-accent);transform:translateX(2px)}
.epr-subcategory.is-active{background:linear-gradient(135deg,#087f8c,#0b6aa2);color:#fff;box-shadow:0 9px 20px rgba(8,127,140,.18)}
.epr-subcategory small{flex:0 0 auto;min-width:28px;padding:3px 6px;border-radius:999px;background:rgba(100,116,139,.12);text-align:center;font-weight:800}
.epr-subcategory.is-active small{background:rgba(255,255,255,.18);color:#fff}
.epr-content{min-width:0;transition:opacity .15s}
.epr-content.is-loading{opacity:.46;pointer-events:none}
.epr-heading,.epr-description-card,.epr-groups{border:1px solid var(--epr-line);border-radius:24px;background:#fff;box-shadow:var(--epr-shadow)}
.epr-heading{padding:26px 28px;margin-bottom:18px;background:linear-gradient(135deg,#fff 0,#f5fbfc 100%)}
.epr-heading h1{margin:.55rem 0 .65rem;line-height:1.15;letter-spacing:-.025em}
.epr-lead{margin:0;color:#506278;font-size:1.03rem;line-height:1.75}
.epr-description-card{padding:25px 28px}
.epr-description-card>p{margin:0 0 1rem;color:#33465d;line-height:1.8}
.epr-included{margin-top:20px;padding:18px 20px;border-left:4px solid var(--epr-accent);border-radius:12px;background:#eff9f9}
.epr-included strong{color:var(--epr-ink)}
.epr-included p{margin:.55rem 0 0;color:#43566d;line-height:1.75}
.epr-section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:34px 2px 14px}
.epr-section-title span{color:var(--epr-accent);font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.epr-section-title h2{margin:.3rem 0 0;font-size:1.55rem}
.epr-section-title small{color:var(--epr-muted);font-weight:700}
.epr-groups{overflow:hidden}
.epr-group+.epr-group{border-top:1px solid var(--epr-line)}
.epr-group summary{display:grid;grid-template-columns:25px 1fr auto;align-items:center;gap:10px;padding:18px 22px;cursor:pointer;list-style:none;background:#fff}
.epr-group summary::-webkit-details-marker{display:none}
.epr-group summary:hover{background:#f8fbfd}
.epr-marker::before{content:'+';display:grid;place-items:center;width:22px;height:22px;border-radius:7px;background:#e7f5f6;color:var(--epr-accent);font-weight:900}
.epr-group[open] .epr-marker::before{content:'−'}
.epr-group summary strong{font-size:1rem}
.epr-group summary small{padding:4px 8px;border-radius:999px;background:#f0f4f7;color:var(--epr-muted);font-weight:800}
.epr-rows{border-top:1px solid var(--epr-line)}
.epr-row{display:grid;grid-template-columns:minmax(190px,31%) minmax(0,1fr);gap:22px;padding:16px 22px;border-bottom:1px solid #edf2f6}
.epr-row:last-child{border-bottom:0}
.epr-row:nth-child(even){background:#fbfdfe}
.epr-parameter{display:flex;align-items:start;gap:8px;color:var(--epr-ink)}
.epr-parameter small{padding:2px 6px;border-radius:6px;background:#edf4f7;color:#587084;font-size:.7rem;font-weight:800}
.epr-row p{margin:0;color:#42556b;line-height:1.65}
.epr-row p.is-placeholder{color:#7a8999;font-style:italic}
.epr-empty{padding:30px;border:1px dashed #b9cbd6;border-radius:18px;background:#f7fafc;color:var(--epr-muted);text-align:center}
.epr-error{color:#a13b3b;background:#fff5f5;border-color:#efb7b7}
@media(max-width:991.98px){.epr-layout{grid-template-columns:1fr}.epr-sidebar{position:relative;top:auto;max-height:none}.epr-hero{padding:30px 0 24px}}
@media(max-width:640px){.epr-layout{padding-top:18px;gap:18px}.epr-heading,.epr-description-card{padding:20px;border-radius:18px}.epr-row{grid-template-columns:1fr;gap:8px;padding:14px 17px}.epr-group summary{padding:15px 16px}.epr-section-title{align-items:start;flex-direction:column;gap:5px}}
.epr-audit{margin:-2px 0 18px;padding:20px 22px;border:1px solid #cbd5df;border-radius:16px;background:#eef1f4;color:#26384b;box-shadow:0 8px 22px rgba(15,35,58,.06)}
.epr-audit-title{display:block;margin-bottom:12px;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:#526273}
.epr-audit p{margin:0 0 10px;line-height:1.6}
.epr-audit-group{margin-top:16px}
.epr-audit-group ul{margin:7px 0 0;padding-left:22px}
.epr-audit-group li{margin:5px 0}
.epr-audit-group li span{display:inline-block;margin-left:5px;padding:1px 6px;border-radius:5px;background:#dce3e8;color:#536475;font-size:.75rem;font-weight:700}
.epr-audit-total{margin-top:18px!important;padding-top:14px;border-top:1px solid #c8d0d7;font-weight:800}
.epr-audit-complete{display:flex;align-items:center;gap:12px;background:#e9f8ee;border-color:#9bd3aa;color:#176b36}
.epr-audit-complete strong{font-size:1rem}
.epr-audit-check{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:#2f9e55;color:#fff;font-size:1.1rem;font-weight:900}
.epr-hero .epr-language-note{margin-top:10px;color:#718096;font-size:.8rem;line-height:1.5}
.epr-language-note a{color:var(--epr-blue);font-weight:800;text-decoration:none}
.epr-language-note a:hover{text-decoration:underline}
.epr-library-home{min-height:72vh}
.epr-library-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;padding-top:34px;padding-bottom:80px}
.epr-library-card{display:flex;align-items:flex-start;gap:20px;min-height:230px;padding:28px;border:1px solid var(--epr-line);border-radius:24px;background:#fff;color:var(--epr-ink);text-decoration:none;box-shadow:var(--epr-shadow);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.epr-library-card:hover{transform:translateY(-4px);border-color:#83c5cb;box-shadow:0 22px 52px rgba(15,35,58,.13);color:var(--epr-ink)}
.epr-library-card-icon{display:grid;place-items:center;flex:0 0 54px;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#e1f6f6,#e5effb);font-size:1.55rem}
.epr-library-card h2{margin:0 0 12px;font-size:1.35rem;line-height:1.3}
.epr-library-card p{margin:0 0 20px;color:#53667b;line-height:1.7}
.epr-library-card strong{color:var(--epr-accent);font-size:.9rem}
@media(max-width:640px){.epr-library-grid{padding-top:20px;padding-bottom:55px}.epr-library-card{min-height:0;padding:22px;gap:15px}.epr-library-card-icon{flex-basis:44px;width:44px;height:44px;border-radius:13px;font-size:1.25rem}}