:root{
--bg:#f5f7f4;--surface:#fff;--surface-soft:#f0f5f2;--ink:#162421;--muted:#687772;
--brand:#13594f;--brand-2:#267e70;--brand-soft:#dcefe9;--gold:#b78335;--gold-soft:#fff2d7;
--line:#dfe7e3;--danger:#9b3f3f;--danger-soft:#fae8e8;--warning:#835d1e;--warning-soft:#fff1ce;
--shadow:0 18px 46px rgba(22,59,52,.09);--radius:22px;--header-h:78px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Vazirmatn",Tahoma,Arial,sans-serif;line-height:1.9;font-synthesis:none}
a{color:inherit}button,input,select,textarea{font:inherit}.skip-link{position:fixed;z-index:999;top:8px;right:-999px;background:#fff;padding:9px 14px;border-radius:10px}.skip-link:focus{right:8px}
.site-header{position:sticky;top:0;z-index:80;background:rgba(245,247,244,.93);border-bottom:1px solid rgba(207,221,215,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.header-inner{width:min(1240px,calc(100% - 32px));min-height:var(--header-h);margin:auto;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;direction:ltr}
.header-leading{grid-column:3;justify-self:end;display:flex;align-items:center;gap:10px;direction:rtl;min-width:0}
.header-title{grid-column:2;justify-self:center;text-decoration:none;color:var(--brand);font-size:clamp(20px,2.5vw,29px);font-weight:950;letter-spacing:-.5px;white-space:nowrap;direction:rtl}
.header-actions{grid-column:1;justify-self:start;display:flex;align-items:center;gap:8px;direction:rtl;min-width:0}
.menu-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--brand);padding:9px 12px;font-weight:900;cursor:pointer;box-shadow:0 5px 15px rgba(22,59,52,.045)}
.menu-button:hover,.menu-button:focus-visible,.home-label:hover,.home-label:focus-visible{border-color:var(--brand-2);box-shadow:0 7px 16px rgba(22,59,52,.09)}
.menu-lines{width:20px;display:grid;gap:4px}.menu-lines i{height:2px;border-radius:999px;background:currentColor;display:block}
.home-label{display:inline-flex;align-items:center;min-height:42px;padding:7px 11px;border:1px solid transparent;border-radius:12px;text-decoration:none;color:#35524b;font-size:13px;font-weight:850;white-space:nowrap}
.icon-button{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--brand);text-decoration:none;cursor:pointer;font-size:20px}
.icon-button:hover,.icon-button:focus-visible{border-color:var(--brand-2);box-shadow:0 7px 16px rgba(22,59,52,.09)}
.drawer-overlay{position:fixed;inset:0;z-index:98;background:rgba(10,28,25,.48);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.drawer-overlay[hidden]{display:none}
.side-drawer{position:fixed;z-index:99;top:0;right:0;width:min(360px,88vw);height:100dvh;padding:20px;background:linear-gradient(180deg,#fbfdfc,#f3f7f5);border-left:1px solid var(--line);box-shadow:-24px 0 70px rgba(8,34,29,.18);transform:translateX(105%);transition:transform .24s ease;overflow:auto;direction:rtl}
.side-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head strong{color:var(--brand);font-size:19px}.drawer-close{width:42px;height:42px;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--brand);font-size:26px;cursor:pointer}
.drawer-nav{display:grid;gap:9px;margin-top:18px}.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:50px;padding:11px 14px;border:1px solid var(--line);border-radius:15px;background:#fff;color:#294a43;text-decoration:none;font-weight:850}.drawer-nav a::after{content:'←';color:var(--gold)}.drawer-nav a:hover{border-color:#abc9c1;background:#fbfdfc}
.drawer-note{margin-top:18px;padding:13px 14px;border-radius:14px;background:var(--gold-soft);color:#72511d;font-size:11px}
body.drawer-open{overflow:hidden}
@media(max-width:720px){:root{--header-h:68px}.header-inner{width:min(100% - 18px,1240px);gap:6px}.header-title{font-size:20px}.header-leading{gap:2px}.menu-button{padding:8px 9px}.menu-button>span:last-child{display:none}.home-label{font-size:11px;padding:6px 5px}.header-actions{gap:5px}.icon-button{width:38px;height:38px;font-size:17px}.site-footer{margin-top:45px}}
@media(max-width:410px){.header-title{font-size:18px}.home-label{font-size:10px}.header-inner{grid-template-columns:minmax(65px,1fr) auto minmax(65px,1fr)}}
.site-footer{border-top:1px solid var(--line);margin-top:70px;padding:26px 16px;text-align:center;color:var(--muted);font-size:12px}.site-footer p{margin:2px}.muted{color:var(--muted)}.tag-list{display:flex;flex-wrap:wrap;gap:7px}.tag{display:inline-flex;align-items:center;min-height:32px;padding:4px 10px;border-radius:999px;background:var(--surface-soft);border:1px solid var(--line);color:#35524b;text-decoration:none;font-size:11px}.tag:hover{background:#fff;border-color:#a8c9c0}.tag.course{background:var(--gold-soft);color:#704f19;border-color:#ecd8af}.review-badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;font-size:10px;font-weight:800;line-height:1.5}.review-badge.structured{background:var(--brand-soft);color:var(--brand)}.review-badge.review{background:var(--warning-soft);color:var(--warning)}.review-badge.critical{background:var(--danger-soft);color:var(--danger)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
@media print{.site-header,.site-footer,.skip-link,.icon-button,.quick-actions,.side-drawer,.drawer-overlay{display:none!important}body{background:#fff}.article-shell{width:100%!important}.content-panel,.side-card{box-shadow:none!important;break-inside:avoid}.article-layout{display:block!important}.article-sidebar{margin-top:20px}}

.drawer-head>div{display:grid;gap:2px}.drawer-head>div small{color:var(--muted);font-size:10px}.drawer-search{margin-top:16px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff}.drawer-search label{display:block;margin-bottom:7px;color:var(--brand);font-size:11px;font-weight:900}.drawer-search>div{display:flex;gap:7px}.drawer-search input{min-width:0;flex:1;border:1px solid var(--line);border-radius:11px;padding:9px 10px;outline:none}.drawer-search input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(38,126,112,.12)}.drawer-search button{border:0;border-radius:11px;background:var(--brand);color:#fff;padding:8px 11px;font-weight:900;cursor:pointer}.drawer-primary{display:grid;gap:8px;margin-top:14px}.drawer-primary>a{display:grid;grid-template-columns:38px 1fr;align-items:center;gap:10px;min-height:58px;padding:10px 12px;border:1px solid var(--line);border-radius:15px;background:#fff;text-decoration:none}.drawer-primary>a:hover{border-color:#a9c9c0;transform:translateY(-1px)}.drawer-primary b,.drawer-link-grid span{display:block;color:#294a43;font-size:12px}.drawer-primary small,.drawer-link-grid small{display:block;color:var(--muted);font-size:9px}.drawer-link-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:var(--brand-soft);color:var(--brand);font-size:11px;font-weight:950}.drawer-accordions{display:grid;gap:9px;margin-top:14px}.drawer-accordions details{border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.78);overflow:hidden}.drawer-accordions summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 13px;color:var(--brand);font-weight:900;cursor:pointer}.drawer-accordions summary::-webkit-details-marker{display:none}.drawer-accordions summary::before{content:'+';order:3}.drawer-accordions details[open] summary::before{content:'−'}.drawer-accordions summary small{color:var(--muted);font-size:9px;font-weight:600}.drawer-link-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:0 10px 11px}.drawer-link-grid a{display:block;padding:9px 10px;border:1px solid var(--line);border-radius:11px;background:#fff;text-decoration:none}.drawer-link-grid a:hover{border-color:#a9c9c0}.drawer-progress{margin-top:15px;padding:13px;border-radius:15px;background:linear-gradient(135deg,var(--brand-soft),#f6fbf9);border:1px solid #c8e0d9}.drawer-progress>div:first-child{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:var(--brand)}.progress-track{height:7px;margin-top:9px;border-radius:999px;background:#fff;overflow:hidden}.progress-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand-2))}.drawer-progress p{margin:8px 0 0;color:#527069;font-size:9px;line-height:1.8}.review-badge.phase2{background:#e5edf9;color:#365e8d}.phase2-source-line{color:#365e8d;font-weight:750}mark{background:#ffe8a8;color:inherit;border-radius:4px;padding-inline:2px}
@media(max-width:430px){.drawer-link-grid{grid-template-columns:1fr}.side-drawer{padding:15px}}

.phase3-drawer-links{display:contents}.phase3-drawer-links>a:first-child{border-color:#a9c7df;background:linear-gradient(135deg,#f3f8fd,#fff)}.progress-track i{transition:width .25s ease}.learning-progress-bar{height:9px;border-radius:999px;background:#e5ece9;overflow:hidden}.learning-progress-bar>i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .25s}.progress-percent{font-variant-numeric:tabular-nums}

.stage5-validity-panel{border-inline-start:4px solid var(--accent,#8a5a2b);background:linear-gradient(180deg,rgba(255,248,230,.9),rgba(255,255,255,.96))}
.stage5-validity-panel .validity-status{font-weight:800;padding:.65rem .85rem;border-radius:.75rem;background:rgba(0,0,0,.045)}
.stage5-validity-panel .status-deleted,.stage5-validity-panel .status-invalidated{background:rgba(170,35,35,.10)}
.stage5-validity-panel .status-active-added,.stage5-validity-panel .status-active-amended{background:rgba(30,120,80,.10)}