:root{--v15-bg:#061018;--v15-surface:#0b1822;--v15-surface2:#10212d;--v15-line:rgba(255,255,255,.075);--v15-soft:#8ca5b8;--v15-text:#f7fafc;--v15-lime:#8ef052;--v15-gold:#e6c15f;--v15-blue:#73b8ff;--v15-red:#ff7b81;--v15-radius:20px;--v15-shadow:0 20px 60px rgba(0,0,0,.22)}
.v15-body{background:radial-gradient(850px 520px at 7% -8%,rgba(142,240,82,.09),transparent 64%),radial-gradient(760px 460px at 94% -6%,rgba(91,166,255,.09),transparent 64%),linear-gradient(180deg,#07121b,#061018 70%);min-height:100vh}.v15-body::selection{background:rgba(142,240,82,.25);color:white}.v15-body :focus-visible{outline:2px solid rgba(142,240,82,.78);outline-offset:3px}
.v15 .topbar{height:76px;padding:0 24px;background:rgba(6,16,24,.82);border-bottom:1px solid rgba(255,255,255,.07);backdrop-filter:blur(22px) saturate(140%)}.v15 .brand{padding-right:6px}.v15 .logo{width:44px;height:44px;border-radius:15px;background:linear-gradient(145deg,#a5ff70,#70db34);box-shadow:0 10px 30px rgba(126,231,65,.18)}.v15 .brand-copy strong{font-size:18px;letter-spacing:-.025em}.v15 .brand-copy small{font-size:10px;letter-spacing:.03em}.v15 .main-nav{padding:5px;background:rgba(255,255,255,.028);border:1px solid rgba(255,255,255,.06);border-radius:15px;gap:3px}.v15 .main-nav button{position:relative;padding:9px 11px;font-size:12.5px;font-weight:780;border-radius:10px}.v15 .main-nav button.active{background:linear-gradient(180deg,#193143,#142838);box-shadow:inset 0 -2px 0 var(--v15-lime),0 5px 16px rgba(0,0,0,.12)}.v15 .user-pill,.v15 .rank-pill,.v15 .v14-plan-pill{border-color:rgba(255,255,255,.09);background:rgba(255,255,255,.035);height:40px;border-radius:12px}.v15 .compact-control span{color:#698397}
.v15 .panel{padding-top:38px;padding-bottom:84px}.v15 .panel.wide{width:min(1460px,calc(100% - 48px))}.v15 .account-panel{width:min(1120px,calc(100% - 40px))}.v15 .hero{padding:27px 29px;border-radius:22px;background:linear-gradient(145deg,rgba(17,34,47,.97),rgba(9,20,29,.96));border:1px solid var(--v15-line);box-shadow:0 16px 46px rgba(0,0,0,.15)}.v15 .hero h1{font-size:clamp(31px,3vw,45px);letter-spacing:-.045em}.v15 .hero p{max-width:760px;line-height:1.65}.v15 .eyebrow,.v15-kicker{font-size:10.5px;font-weight:900;letter-spacing:.13em;text-transform:uppercase;color:#9bf16b}
.v15 .btn{min-height:42px;border-radius:12px;font-weight:790;box-shadow:none}.v15 .btn.primary{color:#08110a;background:linear-gradient(145deg,#a0fb68,#70dc35);border-color:#8dec50;box-shadow:0 9px 28px rgba(126,231,65,.13)}.v15 .btn.primary:hover{background:linear-gradient(145deg,#adff7d,#80e849)}.v15 input,.v15 select,.v15 textarea,.v15 .search{min-height:42px;border-radius:12px;background:#091620;border-color:#293f50}.v15 input:focus,.v15 select:focus,.v15 textarea:focus{border-color:#6da652;box-shadow:0 0 0 3px rgba(142,240,82,.095)}
.v15-card,.v15 .account-card,.v15 .grammar-card,.v15 .question,.v15 .pdf-card,.v15 .stat-card,.v15 .achievement,.v15 .contextbox,.v15 .v13-card,.v15 .v13-cert{border:1px solid var(--v15-line)!important;background:linear-gradient(145deg,rgba(14,29,40,.97),rgba(9,20,29,.97))!important;border-radius:18px!important;box-shadow:0 14px 40px rgba(0,0,0,.1);transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.v15 .grammar-card:hover,.v15 .pdf-card:hover,.v15 .v13-cert:hover{border-color:rgba(142,240,82,.18)!important;box-shadow:0 18px 46px rgba(0,0,0,.14)}
.v15 .filterbar{padding:11px;border:1px solid var(--v15-line);border-radius:17px;background:rgba(11,25,35,.92);position:relative}.v15 .word-table{border-radius:18px;border-color:var(--v15-line);box-shadow:0 15px 45px rgba(0,0,0,.11)}.v15 .wrow{min-height:59px;padding-left:15px;padding-right:15px}.v15 .wrow.head{background:#10232f}.v15 .wrow:not(.head):hover{background:rgba(111,178,222,.045)}
.v15-auth-intro{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;margin:0 0 18px;padding:24px 26px;border:1px solid var(--v15-line);border-radius:22px;background:linear-gradient(135deg,rgba(17,37,50,.96),rgba(10,22,31,.97));box-shadow:var(--v15-shadow)}.v15-auth-intro h2{font-size:clamp(25px,2.8vw,36px);line-height:1.12;margin:6px 0 8px;letter-spacing:-.035em}.v15-auth-intro p{max-width:680px;margin:0;color:var(--v15-soft)}.v15-plan-mini{display:grid;gap:8px;min-width:210px}.v15-plan-mini>div{display:grid;gap:2px;padding:11px 13px;border:1px solid rgba(255,255,255,.07);border-radius:13px;background:rgba(255,255,255,.025)}.v15-plan-mini span{font-size:11px;color:#7892a5}.v15-plan-mini .elite{border-color:rgba(230,193,95,.25);background:rgba(230,193,95,.055)}.v15-plan-mini .elite strong{color:#f1d479}
.v15 .auth-grid{gap:16px}.v15 .auth-grid .account-card{padding:25px}.v15 .auth-grid .account-card h2{font-size:22px}.v15 .auth-grid label{font-size:12px;font-weight:800;color:#9ab1c2;margin-top:4px}.v15 .auth-grid .btn{margin-top:6px}
.v15-dashboard{display:grid;gap:12px;margin-bottom:18px}.v15-dashboard-hero{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:25px 27px;border:1px solid var(--v15-line);border-radius:22px;background:linear-gradient(135deg,rgba(17,38,51,.98),rgba(10,22,31,.98));box-shadow:var(--v15-shadow)}.v15-dashboard-hero h2{font-size:32px;margin:5px 0 6px;letter-spacing:-.04em}.v15-dashboard-hero p{margin:0;color:var(--v15-soft);max-width:650px}.v15-dashboard-metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}.v15-dashboard-metrics article{padding:14px;border:1px solid var(--v15-line);border-radius:15px;background:rgba(255,255,255,.024)}.v15-dashboard-metrics span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:#708a9e}.v15-dashboard-metrics strong{display:block;font-size:22px;margin:2px 0}.v15-dashboard-metrics small{display:block;color:#6f8799;font-size:10.5px}.v15-dashboard-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.v15-dashboard-actions button{padding:14px;border:1px solid #284052;border-radius:15px;background:#0d1d27;color:#edf5fa;text-align:left;font-weight:850}.v15-dashboard-actions button:hover{border-color:#4f7748;background:#12251f}.v15-dashboard-actions small{display:block;margin-top:3px;font-weight:600;color:#718a9d}
.v15-billing{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;padding:23px;border:1px solid rgba(230,193,95,.22);border-radius:19px;background:linear-gradient(145deg,rgba(45,37,18,.54),rgba(11,27,37,.98));box-shadow:0 16px 48px rgba(0,0,0,.12)}.v15-billing.has-issue{border-color:rgba(255,123,129,.34);background:linear-gradient(145deg,rgba(60,27,29,.5),rgba(11,27,37,.98))}.v15-billing-copy{display:flex;gap:15px;align-items:flex-start}.v15-billing-logo{width:48px;height:48px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;border:1px solid rgba(230,193,95,.24);background:rgba(230,193,95,.08);color:#f2d679;font-weight:950}.v15-billing h2{margin:2px 0 5px;font-size:22px}.v15-billing p{margin:0;color:#8fa6b7;max-width:720px}.v15-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:11px}.v15-tags span{padding:5px 8px;border:1px solid #294052;border-radius:999px;background:#0d1b25;color:#a9bfce;font-size:10.5px;font-weight:800}.v15-tags .gold{border-color:rgba(230,193,95,.3);color:#f0d06e;background:rgba(230,193,95,.06)}.v15-tags .warn{border-color:#7c5f2b;color:#f5d57b}.v15-tags .danger{border-color:#754047;color:#ffadb3}.v15-billing-actions{display:grid;gap:8px;min-width:210px}.v15-billing-actions small{text-align:right;color:#6e8799}
.v15 .v13-upgrade-card{width:min(600px,96vw);padding:30px!important;border-radius:28px!important;background:radial-gradient(500px 240px at 100% 0,rgba(230,193,95,.08),transparent 70%),linear-gradient(155deg,#122a3a,#07131d 75%)!important}.v15 .v13-upgrade-card h2{font-size:31px!important}.v15 .v13-elite-benefits{gap:9px}.v15 .v13-elite-benefits span{padding:12px!important}.v15-trust{display:flex;gap:7px;flex-wrap:wrap;margin:2px 0 12px}.v15-trust span{padding:5px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.075);font-size:10px;color:#8098a9;background:rgba(255,255,255,.025)}
.v15 .v13-elite-locked{min-height:245px;border-radius:18px}.v15 .v13-elite-locked>*:not(.v13-elite-overlay){filter:blur(4px);opacity:.48}.v15 .v13-elite-overlay{background:linear-gradient(180deg,rgba(7,15,23,.35),rgba(7,15,23,.78))!important;backdrop-filter:blur(2px)!important}.v15 .v13-elite-overlay .v13-elite-badge{box-shadow:0 6px 20px rgba(230,193,95,.08)}.v15 .v13-elite-overlay strong{font-size:1.35rem}.v15 .v13-inline-upgrade{border-color:rgba(230,193,95,.35)!important;background:rgba(230,193,95,.06)!important}
.v15 .v13-admin-head{padding:4px 0 3px}.v15 .v13-admin-head h1{font-size:32px;letter-spacing:-.04em}.v15 .v13-stats>div{border-radius:17px;background:linear-gradient(145deg,#0f202b,#0b1923);padding:16px}.v15 .v13-layout{grid-template-columns:330px minmax(0,1fr);gap:18px}.v15 .v13-users,.v15 .v13-workspace{border-radius:20px;border-color:var(--v15-line);background:linear-gradient(145deg,#0d1b25,#09151e)}.v15 .v13-users{padding:14px}.v15 .v13-user{border-radius:14px;padding:11px}.v15 .v13-user.active{box-shadow:inset 3px 0 0 var(--v15-lime)}.v15 .v13-workspace{padding:21px}.v15 .v13-tabs{position:sticky;top:76px;z-index:8;background:rgba(9,21,30,.92);backdrop-filter:blur(14px);padding-top:7px}.v15 .v13-card{padding:19px}.v15 .v13-rights label{border-radius:14px}.v15 .v13-modal-card{border-radius:24px;padding:23px}
.v15-scroll-top{position:fixed;right:20px;bottom:22px;z-index:90;width:42px;height:42px;border-radius:13px;border:1px solid rgba(255,255,255,.1);background:rgba(12,28,39,.9);color:white;box-shadow:0 12px 30px rgba(0,0,0,.25);opacity:0;transform:translateY(12px);pointer-events:none;transition:.18s ease}.v15-scroll-top.show{opacity:1;transform:none;pointer-events:auto}.v15-bottom-nav{display:none}
.v15 .view.active{animation:v15in .18s ease-out}@keyframes v15in{from{opacity:.72;transform:translateY(3px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.v15 .view.active{animation:none}.v15 .btn,.v15-card{transition:none!important}}
@media(max-width:1220px){.v15 .main-nav button{padding:9px 8px}.v15 .compact-control{display:none}.v15-dashboard-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.v15-dashboard-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.v15 .v13-layout{grid-template-columns:300px minmax(0,1fr)}}
@media(max-width:980px){.v15 .topbar{height:66px;padding:0 14px}.v15 .brand-copy small{display:none}.v15 .main-nav{position:fixed!important;left:0;right:0;top:66px;z-index:60;display:none!important}.v15 .top-tools .rank-pill,.v15 .top-tools .v14-plan-pill{display:none}.v15 .panel{padding-top:24px}.v15 .panel.wide,.v15 .account-panel{width:min(100% - 24px,1460px)}.v15-auth-intro{grid-template-columns:1fr}.v15-plan-mini{grid-template-columns:1fr 1fr;min-width:0}.v15-dashboard-hero{align-items:flex-start;flex-direction:column}.v15-dashboard-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.v15-billing{grid-template-columns:1fr}.v15-billing-actions{min-width:0}.v15-billing-actions small{text-align:left}.v15 .v13-layout{grid-template-columns:1fr}.v15 .v13-tabs{top:66px}.v15-bottom-nav{display:grid;position:fixed;left:10px;right:10px;bottom:10px;z-index:120;grid-template-columns:repeat(5,1fr);gap:4px;padding:6px;border:1px solid rgba(255,255,255,.1);border-radius:17px;background:rgba(7,17,25,.92);backdrop-filter:blur(18px);box-shadow:0 18px 50px rgba(0,0,0,.4)}.v15-bottom-nav button{border:0;background:transparent;color:#7e97a9;border-radius:11px;padding:8px 3px;font-size:10px;font-weight:800}.v15-bottom-nav button.active{background:#152c3a;color:white;box-shadow:inset 0 -2px 0 var(--v15-lime)}.v15-scroll-top{bottom:82px}}
@media(max-width:620px){.v15 .topbar{padding:0 10px;gap:8px}.v15 .brand-copy strong{font-size:16px}.v15 .logo{width:39px;height:39px}.v15 .user-pill{max-width:115px;overflow:hidden;text-overflow:ellipsis}.v15 .hero{padding:19px;border-radius:18px}.v15 .hero h1{font-size:32px}.v15-auth-intro{padding:19px;border-radius:18px}.v15-plan-mini{grid-template-columns:1fr}.v15-dashboard-hero{padding:20px}.v15-dashboard-hero h2{font-size:27px}.v15-dashboard-metrics{grid-template-columns:1fr 1fr}.v15-dashboard-actions{grid-template-columns:1fr}.v15-billing{padding:18px}.v15-billing-copy{display:grid}.v15 .v13-upgrade-card{padding:22px!important}.v15 .v13-elite-benefits{grid-template-columns:1fr}.v15 .word-table{font-size:13px}.v15 .filterbar{gap:7px}.v15 .v13-workspace{padding:14px}}