/* ATU korporativ dizaynı: bordo və qızılı, yumşaq kartlar, kiçik animasiyalar */
:root{
  --bg:#F6F1F2;--surface:#FFFFFF;--surface-2:#FAF5F6;--ink:#23161B;--ink-2:#5B4A50;--ink-3:#8C7B81;--line:#EEE2E5;
  --primary:#7B1631;--primary-2:#5E0F24;--primary-soft:#F7E7EB;--on-primary:#FFFFFF;
  --accent:#B98224;--accent-soft:#FBF1DC;
  --burg-1:#4C031A;--burg-2:#6E0E24;--burg-3:#8B1B3A;
  --r-card:16px;--sh-1:0 1px 2px rgba(76,3,26,.05),0 2px 10px rgba(76,3,26,.05);--sh-2:0 6px 24px rgba(76,3,26,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#140B0E;--surface:#1D1115;--surface-2:#25161B;--ink:#F3E9EC;--ink-2:#CBB6BD;--ink-3:#9A848B;--line:#3A262D;
  --primary:#E27A96;--primary-2:#EF9AB0;--primary-soft:#3A1C25;--on-primary:#1A0B10;--accent:#E0B25A;--accent-soft:#33291A;
  --sh-1:0 1px 2px rgba(0,0,0,.3);--sh-2:0 8px 28px rgba(0,0,0,.45);}}
:root[data-theme="dark"]{
  --bg:#140B0E;--surface:#1D1115;--surface-2:#25161B;--ink:#F3E9EC;--ink-2:#CBB6BD;--ink-3:#9A848B;--line:#3A262D;
  --primary:#E27A96;--primary-2:#EF9AB0;--primary-soft:#3A1C25;--on-primary:#1A0B10;--accent:#E0B25A;--accent-soft:#33291A;
  --sh-1:0 1px 2px rgba(0,0,0,.3);--sh-2:0 8px 28px rgba(0,0,0,.45);}

/* Yan menyu: ATU bordosu */
.side{background:linear-gradient(180deg,var(--burg-2) 0%,var(--burg-1) 100%);border-right:0;color:#F5E6EA}
.side .brand{border-bottom:1px solid rgba(255,255,255,.08)}
.side .brand .emb{border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.12);flex:none}
.side .brand b{color:#fff}.side .brand small{color:rgba(255,236,241,.65)}
.side .nav-sec{color:rgba(255,236,241,.45)}
.side .nav button{color:rgba(255,240,244,.82);border-radius:10px;transition:background .18s var(--ease),color .18s,transform .18s var(--ease)}
.side .nav button .i{opacity:.85}
.side .nav button:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.side .nav button[aria-current="page"]{background:#fff;color:var(--burg-2);font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.side .nav button[aria-current="page"] .i{opacity:1}
.side .nav .cnt{background:#E8B04B;color:#3A1D00}
.side .side-foot{border-top:1px solid rgba(255,255,255,.08)}
.side .side-foot .btn{color:#fff;border-color:rgba(255,255,255,.2);background:transparent}
.side .side-foot .btn:hover{background:rgba(255,255,255,.1)}
.side .sf-t b{color:#fff}.side .sf-t small,.side .credit{color:rgba(255,236,241,.55)}
.shell.mini .side .brand .emb{width:40px;height:40px}
:root[data-theme="dark"] .side{background:linear-gradient(180deg,#2A0A14 0%,#16060B 100%)}

/* Kartlar: daha yumşaq və dairəvi */
.card,.stat{border-radius:var(--r-card);box-shadow:var(--sh-1);border-color:var(--line)}
.card{transition:box-shadow .25s var(--ease),transform .25s var(--ease)}
.card:hover{box-shadow:var(--sh-2)}
.btn{transition:transform .15s var(--ease),box-shadow .2s,background .2s}
.btn:active{transform:scale(.97)}
.btn.pri{background:linear-gradient(180deg,var(--burg-3),var(--primary));box-shadow:0 2px 8px rgba(123,22,49,.25)}
.btn.pri:hover{box-shadow:0 6px 16px rgba(123,22,49,.3);transform:translateY(-1px)}
:root[data-theme="dark"] .btn.pri{background:var(--primary)}

/* Statistika plitələri: pastel rənglər */
.stats .stat{position:relative;overflow:hidden;border:0;transition:transform .25s var(--ease),box-shadow .25s}
.stats .stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stats .stat:nth-child(4n+1){background:linear-gradient(135deg,#FBE9EE,#F6DCE3)}
.stats .stat:nth-child(4n+2){background:linear-gradient(135deg,#FDF3E1,#F8E7C6)}
.stats .stat:nth-child(4n+3){background:linear-gradient(135deg,#E9F4EE,#D9ECE1)}
.stats .stat:nth-child(4n+4){background:linear-gradient(135deg,#ECEBFA,#DEDCF4)}
.stats .stat::after{content:"";position:absolute;right:-26px;top:-26px;width:92px;height:92px;border-radius:50%;background:rgba(255,255,255,.35)}
:root[data-theme="dark"] .stats .stat{background:var(--surface-2)!important}

/* Salamlama kartı (tələbə və müəllim) */
.hero{position:relative;overflow:hidden;border-radius:22px;padding:28px 30px;margin-bottom:22px;color:#fff;
  background:radial-gradient(120% 140% at 100% 0%,#9E2447 0%,transparent 55%),linear-gradient(120deg,var(--burg-1),var(--burg-3));min-height:170px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:url(/img/atu-poster.jpg) right center/cover;opacity:.18;mix-blend-mode:screen}
.hero-t{position:relative;z-index:1;max-width:62%}
.hero h1{margin:0 0 6px;font-size:28px;letter-spacing:-.01em;color:#fff}
.hero p{margin:0;color:rgba(255,238,243,.85);font-size:15px}
.hero .chips{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.hero .chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:99px;padding:5px 12px;font-size:13px;backdrop-filter:blur(4px)}
.hero .chip b{font-weight:700}
.hero-m{position:absolute;right:18px;bottom:0;height:178px;width:auto;z-index:1;filter:drop-shadow(0 10px 18px rgba(0,0,0,.25));animation:float 5s ease-in-out infinite}
.hero .av{position:relative;width:54px;height:54px;font-size:18px;margin-right:16px;border:3px solid rgba(255,255,255,.35);z-index:1;flex:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* Profil şəkli */
.av.ph{padding:0;overflow:hidden;background:var(--surface-2)}
.av.ph img{width:100%;height:100%;object-fit:cover;display:block}

/* Giriş səhifəsi */
.lg-atu{background:url(/img/atu-poster.jpg) center/cover,var(--burg-1)!important;color:#fff;position:relative;overflow:hidden}
.lg-atu::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(60,2,20,.92) 0%,rgba(60,2,20,.78) 55%,rgba(76,3,26,.45) 100%)}
.lg-atu>*{position:relative;z-index:1}
.lg-atu .lg-top img{border-radius:50%;background:#fff;padding:2px}
.lg-atu .lg-hero{max-width:56%}
.lg-atu .lg-hero h1{font-size:38px;line-height:1.1;color:#fff;margin:0 0 12px}
.lg-atu .lg-hero p{color:rgba(255,236,241,.85);max-width:380px}
.lg-atu .lg-mods li{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2);color:#fff}
.lg-mascot{position:absolute!important;right:10px;bottom:0;height:min(58vh,440px);width:auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.35));animation:float 6s ease-in-out infinite}
.lg-emb-m{display:none;margin:0 auto 12px;border-radius:50%}
@media (max-width:1100px){.lg-mascot{height:300px;opacity:.95}.lg-atu .lg-hero{max-width:62%}}
@media (max-width:900px){.lg-emb-m{display:block}.lg-mascot{display:none}}

/* === Animasiyalar === */
/* Bölməyə keçid: məzmun yumşaq şəkildə aşağıdan gəlir (yalnız bölmə dəyişəndə) */
.content.enter>*{animation:rise .45s var(--ease) both}
.content.enter>*:nth-child(2){animation-delay:.04s}.content.enter>*:nth-child(3){animation-delay:.08s}
.content.enter>*:nth-child(4){animation-delay:.12s}.content.enter>*:nth-child(5){animation-delay:.16s}.content.enter>*:nth-child(n+6){animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
/* Göstərici çubuqları dolur */
.content.enter .meter i,.content.enter .bar i{animation:grow .9s var(--ease) both .15s}
@keyframes grow{from{width:0!important}}
/* Modal pəncərə */
.mroot .modal,#mroot .modal{animation:pop .22s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
/* Bildiriş */
.toast{animation:slidein .3s var(--ease) both}
@keyframes slidein{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.bell-shake .i{animation:shake .7s ease both;transform-origin:50% 10%}
@keyframes shake{0%,100%{transform:rotate(0)}20%{transform:rotate(14deg)}40%{transform:rotate(-12deg)}60%{transform:rotate(8deg)}80%{transform:rotate(-4deg)}}
.dot{animation:popin .3s var(--ease) both}
@keyframes popin{from{transform:scale(0)}to{transform:scale(1)}}
/* Siyahı elementləri üzərinə gələndə */
.li,.ni,.ci{transition:background .15s,transform .15s var(--ease)}
/* Qeyd olunmuş məlumat: yaşıl işıq */
.flash-ok{animation:flashok 1.2s ease}
@keyframes flashok{0%{box-shadow:0 0 0 0 rgba(47,122,75,.5)}100%{box-shadow:0 0 0 10px rgba(47,122,75,0)}}
/* Konfetti (imtahandan keçəndə) */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:200;overflow:hidden}
.confetti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:fall 2.4s cubic-bezier(.25,.6,.4,1) forwards}
@keyframes fall{to{transform:translate3d(var(--dx),105vh,0) rotate(var(--rot));opacity:.9}}
/* Yüklənmə yeri tutucusu */
.skel{background:linear-gradient(90deg,var(--surface-2) 0%,var(--line) 50%,var(--surface-2) 100%);background-size:200% 100%;animation:shimmer 1.2s linear infinite;border-radius:8px;min-height:14px}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
/* Hərəkəti azaltmaq istəyənlər üçün bütün animasiyalar söndürülür */
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}