/* V23 academy polish — accessible contrast, mobile-responsive cards, notification center and community */
:root{--nx23-navy:#14295c;--nx23-indigo:#4657da;--nx23-teal:#087f87;--nx23-purple:#674aca;--nx23-radius:20px}
.app-shell{font-family:'DM Sans','Manrope',system-ui,sans-serif}h1,h2,h3,.brand-name{letter-spacing:-.026em}
.sidebar{background:linear-gradient(167deg,#10224b 0%,#172c63 58%,#1c3269 100%);box-shadow:8px 0 30px #101b4d12}
.sidebar .nav-link{border-radius:12px;margin:2px 10px;width:calc(100% - 20px);transition:background .16s ease,transform .16s ease;min-height:41px}
.sidebar .nav-link:hover{transform:translateX(2px);background:#ffffff21}.sidebar .nav-link.active{background:linear-gradient(110deg,#4773df,#735de9);box-shadow:0 5px 18px #111f5266}
.topbar{backdrop-filter:blur(14px);box-shadow:0 5px 24px #172e5a10}
.nx23-tests{margin:26px 0 30px}.nx23-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:17px;flex-wrap:wrap}.nx23-section-heading h2{font-size:clamp(1.25rem,2.5vw,1.85rem);font-weight:800;margin:5px 0;color:#19305b}.nx23-section-heading p{font-size:.9rem;max-width:650px;color:#60718f;margin:0}.nx23-eyebrow{font-size:.71rem;letter-spacing:.13em;font-weight:800;color:#5365ca}.nx23-all{color:#394fc0!important;font-weight:800;text-decoration:none;border:1px solid #cbd5fa;padding:10px 15px;border-radius:12px;background:#f5f7ff}
.nx23-exam-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:15px}.nx23-exam-card{border:1px solid #e3e9f8;background:linear-gradient(160deg,#fff 58%,#f5f6ff 100%);border-radius:20px;padding:21px;min-width:0;box-shadow:0 10px 30px #243c7210;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px;transition:transform .15s,box-shadow .15s}.nx23-exam-card:before{content:"";width:5px;background:#7865d3;position:absolute;inset:0 auto 0 0}.nx23-exam-card.live:before{background:#0da59c}.nx23-exam-card:hover{transform:translateY(-2px);box-shadow:0 14px 32px #243c7220}.nx23-exam-top,.nx23-exam-bottom{display:flex;align-items:center;justify-content:space-between;gap:9px;flex-wrap:wrap}.nx23-exam-type{font-size:.77rem;letter-spacing:.045em;color:#5767a3;font-weight:800;text-transform:uppercase}.nx23-chip{border-radius:99px;padding:5px 10px;font-weight:800;font-size:.73rem;background:#edf0ff;color:#485dc8}.nx23-chip.live{background:#daf8ed;color:#097a62}.nx23-chip.ended{background:#eef1f5;color:#64748b}.nx23-chip.done{background:#e0f4ff;color:#196c9d}.nx23-exam-card h3{font-size:1.16rem;line-height:1.35;color:#162a56;margin:0}.nx23-subject{font-size:.83rem;font-weight:800;color:#475ca0}.nx23-subject span{color:#8491a6;font-weight:600}.nx23-exam-times{display:grid;gap:7px;font-size:.82rem;color:#56647d}.nx23-exam-bottom{padding-top:14px;border-top:1px solid #e6eafb;margin-top:auto}.nx23-countdown{font-size:.83rem;font-variant-numeric:tabular-nums;font-weight:800;color:#405ac4}.nx23-exam-card.live .nx23-countdown{color:#078674}.nx23-open{display:inline-flex;text-align:center;justify-content:center;padding:10px 14px;border-radius:11px;color:white!important;background:linear-gradient(115deg,#425bc9,#7360d7);text-decoration:none!important;font-size:.83rem;font-weight:800}.nx23-open.is-locked{background:#eef1fb;color:#445386!important}.nx23-empty,.nx23-error{grid-column:1/-1;background:#f4f7ff;border:1px dashed #b8c7ef;border-radius:18px;padding:28px;color:#5b6a85;text-align:center}.nx23-empty span{display:block;font-size:2rem;color:#6873d7}.nx23-empty strong{display:block;color:#1c3161;margin-top:5px}.nx23-empty p{margin-bottom:0}
.nx23-bell-wrap{position:relative}.nx23-bell{position:relative!important;background:#edf2ff!important;border:1px solid #d4def6!important;color:#324c9c!important;border-radius:14px!important;width:43px!important;height:43px!important;display:flex!important;align-items:center!important;justify-content:center!important;cursor:pointer}.nx23-bell:hover{background:#e1e9ff!important}.nx23-bell-count{position:absolute;top:-5px;right:-6px;min-width:19px;height:19px;border:2px solid white;background:#ec4665;color:white;border-radius:99px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:10px;padding:0 3px}.nx23-bell-count[hidden],.nx23-bell-pop[hidden]{display:none!important}.nx23-bell-pop{position:absolute;right:0;top:52px;width:min(375px,calc(100vw - 25px));background:#fff;box-shadow:0 15px 55px #14295c40;border:1px solid #e1e7f4;border-radius:18px;z-index:120;overflow:hidden}.nx23-pop-head{padding:17px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(120deg,#f5f6ff,#eaf6ff)}.nx23-pop-head strong{font-size:1.07rem;color:#152d5d}.nx23-pop-head button{background:transparent;color:#425bb7;border:0;font-weight:700;cursor:pointer}.nx23-pop-list{max-height:415px;overflow:auto}.nx23-notice{padding:13px 15px;display:flex;align-items:center;gap:11px;text-decoration:none!important;color:#27395d!important;border-bottom:1px solid #edf0f6}.nx23-notice:hover{background:#f5f8ff}.nx23-notice.unread{background:#f0f5ff}.nx23-notice-ico{font-size:1.2rem;width:33px;height:33px;display:grid;place-items:center;border-radius:10px;background:#e7edff;flex-shrink:0}.nx23-notice strong{display:block;font-size:.83rem;line-height:1.4}.nx23-notice small{display:block;color:#7c8ba5;font-size:.71rem;margin-top:4px}.nx23-notice i{background:#5475db;width:7px;height:7px;border-radius:50%;flex-shrink:0}.nx23-pop-footer,.nx23-notices-empty{text-align:center;padding:13px;color:#75849d;font-size:.79rem}.nx23-notices-empty{padding:35px 14px}
.nr-community-head{background:linear-gradient(115deg,#142857,#3a49a6 60%,#5a43ac)!important;border-radius:22px!important;box-shadow:0 15px 38px #223a7540}.nr-community-head h2{font-weight:850!important;letter-spacing:-.03em}.nr-post.nx23-post{border:1px solid #e3eafb!important;background:#fff!important;box-shadow:0 9px 26px #1c347111!important;border-radius:18px!important;padding:20px!important;margin-bottom:15px}.nx23-post-stats{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#647aa3;font-weight:700;font-size:.75rem;border-top:1px solid #e9edf7;padding:12px 0;margin-top:12px}.nx23-nested{margin-left:35px!important;border-left:3px solid #c9cff8!important;padding-left:13px!important;background:#f8f9ff}.nx23-reply-cta{border:0;background:transparent;color:#4b57bf;font-size:.76rem;font-weight:800;cursor:pointer;padding:5px 0}.nx23-reply-cta:hover{text-decoration:underline}.nr-reply-form button{background:linear-gradient(115deg,#425fc8,#7160da)!important;color:white!important;border:0!important;border-radius:10px!important;font-weight:800}
@media(max-width:620px){.nx23-bell-pop{right:-65px;top:52px}.nx23-section-heading{align-items:flex-start}.nx23-exam-card{padding:18px}.nx23-nested{margin-left:13px!important}.nx23-pop-head{padding:13px}}