/* TestSeriesPoint — topbar.css */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
    --font-h:'Outfit',sans-serif;
    --font-b:'Inter',sans-serif;
    --ease-spring:cubic-bezier(.34,1.56,.64,1);
    --ease-smooth:cubic-bezier(.4,0,.2,1);
    --topbar-h:40px;
    --nav-h:62px;
    --drawer-w:min(340px,90vw);
    --indigo:#4f46e5;
    --indigo-l:#eef2ff;
    --green:#059669;
    --green-l:#f0fdf4;
    --amber:#d97706;
    --amber-l:#fffbeb;
    --violet:#7c3aed;
    --violet-l:#f5f3ff;
    --rose:#e11d48;
    --rose-l:#fff1f2;
    --slate-50:#f8fafc;
    --slate-100:#f1f5f9;
    --slate-200:#e2e8f0;
    --slate-400:#94a3b8;
    --slate-500:#64748b;
    --slate-600:#475569;
    --slate-800:#1e293b;
    --slate-900:#0f172a;
}

/* ───── SKIP LINK ───── */
.n-skip{
    position:absolute;left:-999px;top:4px;
    background:#4f46e5;color:#fff;
    padding:6px 18px;border-radius:6px;
    font:700 13px/1 var(--font-b);
    z-index:99999;text-decoration:none;
}
.n-skip:focus{left:8px}

/* ════════════════════════════════════
   TOPBAR
════════════════════════════════════ */
.n-topbar{
    position:relative;
    background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 45%,#0d2e1d 100%);
    height:var(--topbar-h);
    overflow:hidden;
    font-family:var(--font-b);
    z-index:200;
}
.n-topbar::before{
    content:'';position:absolute;inset:0;
    background:
        radial-gradient(ellipse 55% 120% at 25% 50%,rgba(99,102,241,.25) 0%,transparent 60%),
        radial-gradient(ellipse 45% 120% at 75% 50%,rgba(16,185,129,.18) 0%,transparent 60%);
    pointer-events:none;
}
.n-topbar::after{
    content:'';position:absolute;bottom:0;left:0;right:0;height:1.5px;
    background:linear-gradient(90deg,transparent,#6366f1 20%,#10b981 50%,#f59e0b 78%,transparent);
    opacity:.75;
}
.n-tb-inner{
    position:relative;z-index:1;
    max-width:1360px;margin:0 auto;padding:0 20px;
    height:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
}

/* brand chip */
.n-tb-brand{display:flex;align-items:center;gap:7px;text-decoration:none;flex-shrink:0}
.n-tb-brand-dot{
    width:22px;height:22px;border-radius:6px;
    background:linear-gradient(135deg,#6366f1,#10b981);
    display:flex;align-items:center;justify-content:center;
}
.n-tb-brand-dot i{font-size:11px;color:#fff}
.n-tb-brand-name{font-family:var(--font-h);font-size:12.5px;font-weight:700;color:#fff;letter-spacing:-.2px}
.n-tb-brand-name em{color:#fbbf24;font-style:normal}
.n-tb-divider{width:1px;height:14px;background:rgba(255,255,255,.12);margin:0 6px;flex-shrink:0}

/* secondary links */
.n-tb-links{display:flex;align-items:center;gap:1px}
.n-tb-links a{
    display:flex;align-items:center;gap:4px;
    padding:3px 8px;border-radius:20px;
    font-size:11px;font-weight:500;color:rgba(255,255,255,.55);
    text-decoration:none;transition:all .15s var(--ease-smooth);white-space:nowrap;
}
.n-tb-links a i{font-size:11px}
.n-tb-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.n-tb-links a.active{color:rgba(255,255,255,.9)}

/* right cluster */
.n-tb-right{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.n-tb-email{
    display:flex;align-items:center;gap:4px;
    font-size:11px;font-weight:600;color:#fde68a;text-decoration:none;
    padding:3px 9px;border-radius:20px;
    border:1px solid rgba(253,230,138,.2);background:rgba(253,230,138,.07);
    white-space:nowrap;transition:background .15s;
}
.n-tb-email:hover{background:rgba(253,230,138,.15)}
.n-tb-email i{font-size:10px}
.n-tb-clock{
    display:flex;align-items:center;gap:4px;
    font-size:10.5px;font-weight:600;color:rgba(255,255,255,.6);
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
    border-radius:20px;padding:3px 9px;letter-spacing:.4px;white-space:nowrap;
    font-variant-numeric:tabular-nums;
}
.n-tb-clock .tb-dot-pulse{
    width:6px;height:6px;border-radius:50%;background:#10b981;
    animation:pulse-dot 2s infinite;
}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.n-tb-clock .ist-label{font-size:9px;color:rgba(255,255,255,.3);letter-spacing:.8px}
.n-tb-auth{display:flex;align-items:center;gap:5px}
.n-tb-btn{
    display:inline-flex;align-items:center;gap:4px;
    padding:4px 11px;border-radius:20px;
    font-size:11px;font-weight:600;text-decoration:none;cursor:pointer;
    transition:all .18s var(--ease-smooth);border:1px solid transparent;white-space:nowrap;
}
.n-tb-btn:hover{transform:translateY(-1px)}
.n-tb-btn.login{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15);color:#fff}
.n-tb-btn.login:hover{background:rgba(255,255,255,.18)}
.n-tb-btn.reg{background:rgba(16,185,129,.15);border-color:rgba(16,185,129,.3);color:#6ee7b7}
.n-tb-btn.reg:hover{background:rgba(16,185,129,.24)}
.n-tb-btn.logout{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.3);color:#fca5a5}
.n-tb-btn.logout:hover{background:rgba(239,68,68,.25)}
.n-tb-btn i{font-size:11px}

/* ════════════════════════════════════
   NAVBAR
════════════════════════════════════ */
.n-navbar{
    position:sticky;top:0;z-index:500;
    height:var(--nav-h);
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(226,232,240,.7);
    font-family:var(--font-b);
    transition:box-shadow .25s var(--ease-smooth);
}
.n-navbar.scrolled{box-shadow:0 4px 20px rgba(15,23,42,.09)}

/* animated top accent */
.n-navbar::before{
    content:'';position:absolute;top:0;left:0;right:0;height:2.5px;
    background:linear-gradient(90deg,#4f46e5 0%,#8b5cf6 22%,#10b981 50%,#f59e0b 78%,#4f46e5 100%);
    background-size:200% 100%;
    animation:n-accent 5s linear infinite;
}
@keyframes n-accent{to{background-position:200% 0}}

.n-nav-inner{
    max-width:1360px;margin:0 auto;padding:0 20px;
    height:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
}

/* LOGO */
.n-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.n-logo-mark{
    position:relative;width:38px;height:38px;border-radius:10px;
    background:linear-gradient(135deg,#4f46e5 0%,#059669 100%);
    display:flex;align-items:center;justify-content:center;overflow:hidden;
    transition:transform .3s var(--ease-spring);
}
.n-logo-mark::after{
    content:'';position:absolute;top:-4px;right:-4px;
    width:13px;height:13px;border-radius:50%;background:rgba(255,255,255,.2);
}
.n-logo-mark i{font-size:17px;color:#fff;position:relative;z-index:1}
.n-logo:hover .n-logo-mark{transform:rotate(-7deg) scale(1.07)}
.n-logo-text .n-name{
    display:block;font-family:var(--font-h);font-size:18px;font-weight:800;
    color:var(--slate-900);letter-spacing:-.5px;line-height:1.1;
}
.n-logo-text .n-name em{color:#f59e0b;font-style:normal}
.n-logo-text .n-sub{
    display:block;font-size:9px;font-weight:600;color:var(--slate-400);
    letter-spacing:1px;text-transform:uppercase;line-height:1;
}

/* NAV MENU */
.n-menu{
    display:flex;align-items:center;list-style:none;gap:1px;
    flex:1;justify-content:flex-end;
}
.n-menu>li>a,.n-dd-btn{
    display:inline-flex;align-items:center;gap:5px;
    padding:7px 11px;border-radius:8px;
    font-size:13px;font-weight:600;color:var(--slate-600);
    text-decoration:none;white-space:nowrap;
    border:none;background:none;cursor:pointer;font-family:var(--font-b);
    transition:all .17s var(--ease-smooth);position:relative;
}
.n-menu>li>a .n-ico,.n-dd-btn .n-ico{
    width:20px;height:20px;border-radius:5px;background:var(--slate-100);
    display:flex;align-items:center;justify-content:center;
    font-size:10px;color:var(--slate-400);flex-shrink:0;transition:all .17s var(--ease-smooth);
}
.n-menu>li>a:hover,.n-dd-btn:hover{color:var(--indigo);background:var(--indigo-l)}
.n-menu>li>a:hover .n-ico,.n-dd-btn:hover .n-ico{
    background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;
}

/* active state */
.n-menu>li>a.active{
    color:var(--indigo);
    background:linear-gradient(135deg,var(--indigo-l) 0%,var(--green-l) 100%);
    border-bottom:2.5px solid var(--indigo);
}
.n-menu>li>a.active .n-ico{
    background:linear-gradient(135deg,var(--indigo),var(--green));color:#fff;
}

/* highlight item (Test Series) */
.n-menu>li.hl-item>a{
    background:linear-gradient(135deg,var(--green-l),var(--indigo-l));
    color:var(--green);box-shadow:inset 0 0 0 1px rgba(16,185,129,.2);
}
.n-menu>li.hl-item>a .n-ico{
    background:linear-gradient(135deg,var(--green),var(--indigo));color:#fff;
}
.n-menu>li.hl-item>a:hover{
    background:linear-gradient(135deg,var(--green),var(--indigo));color:#fff;
    box-shadow:0 4px 12px rgba(5,150,105,.25);
}

/* ─── DROPDOWN ─── */
.n-dd{position:relative;list-style:none}
.n-dd-btn .n-chv{font-size:9px;color:var(--slate-400);margin-left:1px;transition:transform .22s var(--ease-smooth)}
.n-dd:hover .n-dd-btn,.n-dd.open .n-dd-btn{color:var(--indigo);background:var(--indigo-l)}
.n-dd:hover .n-dd-btn .n-ico,.n-dd.open .n-dd-btn .n-ico{
    background:linear-gradient(135deg,var(--violet),var(--indigo));color:#fff;
}
.n-dd:hover .n-chv,.n-dd.open .n-chv{transform:rotate(180deg)}

.n-dd-panel{
    position:absolute;top:calc(100% + 7px);right:0;
    background:#fff;border-radius:14px;
    border:1px solid rgba(226,232,240,.9);
    box-shadow:0 16px 50px rgba(15,23,42,.11),0 4px 14px rgba(15,23,42,.06);
    min-width:210px;padding:7px;list-style:none;margin:0;
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(8px) scale(.97);transform-origin:top right;
    transition:all .22s var(--ease-smooth);z-index:600;
}
.n-dd:hover .n-dd-panel,.n-dd.open .n-dd-panel{
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
}
.n-dd-panel li a{
    display:flex;align-items:center;gap:9px;padding:8px 9px;border-radius:7px;
    font-size:12.5px;font-weight:500;color:var(--slate-800);text-decoration:none;transition:.13s;
}
.n-dd-panel li a .dd-ico{
    width:28px;height:28px;border-radius:7px;
    display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
}
.n-dd-panel li a:hover{background:var(--slate-50);color:var(--indigo)}
.n-dd-panel li:nth-child(1) a .dd-ico{background:var(--violet-l);color:var(--violet)}
.n-dd-panel li:nth-child(2) a .dd-ico{background:var(--green-l);color:var(--green)}
.n-dd-panel li:nth-child(3) a .dd-ico{background:var(--amber-l);color:var(--amber)}
.n-dd-panel li:nth-child(4) a .dd-ico{background:var(--indigo-l);color:var(--indigo)}
.n-dd-panel li:nth-child(5) a .dd-ico{background:var(--green-l);color:var(--green)}
.n-dd-panel li:nth-child(6) a .dd-ico{background:var(--green-l);color:var(--green)}
.n-dd-panel li:nth-child(7) a .dd-ico{background:var(--indigo-l);color:var(--indigo)}
.n-dd-panel li:nth-child(8) a .dd-ico{background:#fff7ed;color:#ea580c}
.n-dd-panel li:nth-child(9) a .dd-ico{background:var(--violet-l);color:var(--violet)}
.n-dd-panel li:nth-child(10) a .dd-ico{background:var(--rose-l);color:var(--rose)}
.n-dd-panel .dd-sep{height:1px;background:var(--slate-200);margin:5px 0;border:none}

/* ─── HAMBURGER ─── */
.n-ham{
    display:none;flex-direction:column;justify-content:center;align-items:center;
    gap:5px;width:38px;height:38px;
    background:var(--slate-100);border:1px solid var(--slate-200);
    border-radius:8px;cursor:pointer;flex-shrink:0;transition:all .15s;
}
.n-ham:hover{background:var(--slate-200)}
.n-ham span{display:block;width:17px;height:2px;background:var(--slate-800);border-radius:2px;transition:all .27s var(--ease-smooth);transform-origin:center}
.n-ham.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.n-ham.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.n-ham.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ════════════════════════════════════
   DRAWER
════════════════════════════════════ */
.n-drawer{display:none;position:fixed;inset:0;z-index:9000;font-family:var(--font-b)}
.n-drawer.open{display:block}

.n-drawer-bg{
    position:absolute;inset:0;
    background:rgba(15,23,42,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    animation:n-bg-in .25s var(--ease-smooth);
}
@keyframes n-bg-in{from{opacity:0}to{opacity:1}}

.n-drawer-panel{
    position:absolute;top:0;left:0;width:var(--drawer-w);height:100%;
    background:#fff;display:flex;flex-direction:column;
    box-shadow:20px 0 60px rgba(15,23,42,.12);
    animation:n-slide-in .32s var(--ease-spring);
    overflow-y:auto;overflow-x:hidden;
}
@keyframes n-slide-in{from{transform:translateX(-100%)}to{transform:translateX(0)}}

/* drawer header */
.n-dr-head{
    background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 50%,#0d2e1d 100%);
    padding:18px 16px 16px;flex-shrink:0;position:relative;overflow:hidden;
}
.n-dr-head::before{
    content:'';position:absolute;top:-40px;right:-40px;width:120px;height:120px;
    border-radius:50%;background:rgba(99,102,241,.15);pointer-events:none;
}
.n-dr-head::after{
    content:'';position:absolute;bottom:-25px;left:10px;width:80px;height:80px;
    border-radius:50%;background:rgba(16,185,129,.12);pointer-events:none;
}
.n-dr-head-top{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
.n-dr-logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.n-dr-logo-mark{
    width:32px;height:32px;border-radius:8px;
    background:linear-gradient(135deg,#6366f1,#059669);
    display:flex;align-items:center;justify-content:center;
}
.n-dr-logo-mark i{font-size:14px;color:#fff}
.n-dr-logo-name{font-family:var(--font-h);font-size:16px;font-weight:800;color:#fff}
.n-dr-logo-name em{color:#fbbf24;font-style:normal}
.n-dr-close{
    width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.15);color:#fff;font-size:12px;
    display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s;
}
.n-dr-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}
.n-dr-tagline{
    margin-top:9px;font-size:10px;font-weight:500;color:rgba(255,255,255,.4);
    letter-spacing:.9px;text-transform:uppercase;position:relative;z-index:1;
}

/* drawer meta */
.n-dr-meta{
    display:flex;align-items:center;justify-content:space-between;
    padding:8px 14px;background:var(--slate-50);border-bottom:1px solid var(--slate-200);gap:8px;flex-wrap:wrap;
}
.n-dr-meta .dr-email{
    display:flex;align-items:center;gap:4px;
    font-size:11px;font-weight:600;color:var(--indigo);text-decoration:none;word-break:break-all;
}
.n-dr-meta .dr-clock{
    display:flex;align-items:center;gap:4px;font-size:10.5px;font-weight:600;color:var(--slate-600);
    background:#fff;border:1px solid var(--slate-200);border-radius:20px;padding:3px 8px;white-space:nowrap;
}
.n-dr-meta .dr-clock i{color:#10b981;font-size:10px}

/* drawer quick tabs */
.n-dr-quick{display:flex;border-bottom:1px solid var(--slate-200)}
.n-dr-quick a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
    padding:9px 4px;font-size:10px;font-weight:600;color:var(--slate-400);
    text-decoration:none;border-right:1px solid var(--slate-200);transition:.15s;
}
.n-dr-quick a:last-child{border-right:none}
.n-dr-quick a .qico{
    width:26px;height:26px;border-radius:7px;
    display:flex;align-items:center;justify-content:center;font-size:11px;transition:.2s var(--ease-spring);
}
.n-dr-quick a:nth-child(1) .qico{background:var(--indigo-l);color:var(--indigo)}
.n-dr-quick a:nth-child(2) .qico{background:var(--green-l);color:var(--green)}
.n-dr-quick a:nth-child(3) .qico{background:var(--amber-l);color:var(--amber)}
.n-dr-quick a:hover{color:var(--indigo)}
.n-dr-quick a:hover .qico{transform:scale(1.12)}

/* drawer nav list */
.n-dr-nav{flex:1;padding:10px 8px;list-style:none;margin:0}
.n-dr-section{
    font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;
    color:var(--slate-400);padding:7px 8px 2px;display:block;
}
.n-dr-nav li a{
    display:flex;align-items:center;gap:10px;padding:9px 9px;border-radius:9px;
    font-size:13px;font-weight:600;color:var(--slate-800);text-decoration:none;
    transition:all .15s var(--ease-smooth);margin-bottom:1px;
}
.n-dr-nav li a .dico{
    width:30px;height:30px;border-radius:7px;
    display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
    transition:transform .2s var(--ease-spring);
}
.n-dr-nav li a:hover{background:var(--slate-50);color:var(--indigo);padding-left:13px}
.n-dr-nav li a:hover .dico{transform:scale(1.1)}
.n-dr-nav li a.active{
    background:linear-gradient(135deg,var(--indigo-l),var(--green-l));
    color:var(--indigo);border-left:2.5px solid var(--indigo);padding-left:13px;
}

/* admin sub-list in drawer */
.n-dr-sub{list-style:none;margin:3px 0 3px 38px;border-left:2px solid var(--slate-200);padding-left:8px}
.n-dr-sub li a{font-size:12.5px;padding:8px 9px}
.n-dr-sub li a .dico{width:26px;height:26px;font-size:11px}

/* drawer footer */
.n-dr-foot{padding:12px 12px 16px;background:var(--slate-50);border-top:1px solid var(--slate-200);flex-shrink:0}
.n-dr-foot-btns{display:flex;gap:7px;margin-bottom:9px}
.n-dr-foot-btns a{
    flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
    padding:10px 8px;border-radius:9px;font-size:12.5px;font-weight:700;text-decoration:none;transition:.15s;
}
.n-dr-foot-btns a:hover{transform:translateY(-2px)}
.ndf-login{background:linear-gradient(135deg,#4338ca,#6366f1);color:#fff;box-shadow:0 3px 12px rgba(79,70,229,.25)}
.ndf-reg{background:linear-gradient(135deg,#059669,#10b981);color:#fff;box-shadow:0 3px 12px rgba(16,185,129,.25)}
.ndf-out{background:linear-gradient(135deg,#dc2626,#ef4444);color:#fff;box-shadow:0 3px 12px rgba(220,38,38,.25)}
.n-dr-foot-links{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}
.n-dr-foot-links a{
    font-size:10.5px;font-weight:500;color:var(--slate-400);text-decoration:none;
    padding:3px 9px;border-radius:20px;border:1px solid var(--slate-200);background:#fff;transition:.13s;
}
.n-dr-foot-links a:hover{color:var(--indigo);border-color:rgba(79,70,229,.3)}

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media(max-width:1100px){
    .n-menu>li>a,.n-dd-btn{padding:6px 9px;font-size:12.5px}
    .n-menu>li>a .n-ico,.n-dd-btn .n-ico{width:18px;height:18px;font-size:9px}
    .n-logo-text .n-name{font-size:16px}
}
@media(max-width:940px){
    .n-menu{display:none}
    .n-ham{display:flex}
    .n-navbar{height:56px}
    :root{--nav-h:56px}
}
@media(max-width:680px){
    .n-tb-divider,.n-tb-links{display:none}
    .n-tb-inner{padding:0 12px}
}
@media(max-width:520px){
    .n-tb-email{display:none}
    .n-tb-inner{padding:0 10px}
}
@media(max-width:380px){
    .n-logo-text .n-sub{display:none}
    .n-logo-text .n-name{font-size:15px}
    .n-logo-mark{width:33px;height:33px}
    .n-logo-mark i{font-size:15px}
}