:root{
  --bg:#07101d; --bg2:#0b1525; --panel:#0e1b2f; --panel2:#12223a; --line:#223651;
  --text:#f4f7fb; --muted:#9db0c7; --accent:#58d6a5; --accent2:#8a7cff; --warn:#ffcc66;
  --danger:#ff7d8e; --white:#fff; --shadow:0 18px 55px rgba(0,0,0,.24); --radius:20px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#07101d 0%,#091321 35%,#06101a 100%);color:var(--text);font-family:Inter,"Noto Sans Bengali","Segoe UI",Arial,sans-serif;min-height:100vh}
button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:rgba(8,17,30,.96);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;z-index:20;backdrop-filter:blur(20px)}
.brand{display:flex;gap:12px;align-items:center;padding:0 8px 22px}.brand-mark{width:43px;height:43px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--accent),#43a5ff);color:#031014;font-weight:900}.brand strong{display:block}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.nav{display:flex;flex-direction:column;gap:6px;overflow:auto;padding-right:3px}.nav button{border:0;background:transparent;color:#b9c7d8;text-align:left;padding:11px 12px;border-radius:13px;display:flex;align-items:center;gap:11px;font-size:14px}.nav button span{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;background:#14233a;color:#d7e3f1;font-size:12px;font-weight:800}.nav button:hover,.nav button.active{background:#12223a;color:#fff}.nav button.active span{background:var(--accent);color:#082018}.sidebar-foot{margin-top:auto;border:1px solid var(--line);border-radius:16px;padding:14px;background:rgba(18,34,58,.55)}.tiny{font-size:11px;color:var(--muted)}.sidebar-foot strong{font-size:13px;display:block;margin:5px 0 10px}.meter{height:7px;background:#1b2c44;border-radius:999px;overflow:hidden;margin:6px 0}.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),#43a5ff);border-radius:inherit}
.main{min-width:0}.topbar{min-height:84px;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;padding:14px 28px;border-bottom:1px solid rgba(34,54,81,.75);background:rgba(7,16,29,.83);backdrop-filter:blur(18px)}.menu-btn{display:none}.topbar-copy{flex:1}.eyebrow{display:block;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.14em}.topbar h1{font-size:18px;margin:3px 0 0;line-height:1.25}.top-actions{display:flex;align-items:center;gap:10px}.ghost,.primary,.secondary,.danger-btn,.icon-btn{border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:#111f34;color:#fff}.primary{background:var(--accent);border-color:var(--accent);color:#062017;font-weight:800}.secondary{background:#152942}.danger-btn{background:rgba(255,125,142,.1);border-color:rgba(255,125,142,.35);color:#ffbac3}.icon-btn{padding:8px 10px}.ghost:hover,.secondary:hover{border-color:#4a668b}.primary:hover{filter:brightness(1.05)}.streak{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:13px;padding:6px 11px;background:#0e1b2f}.streak span{font-size:21px}.streak b{display:block;font-size:15px}.streak small{display:block;color:var(--muted);font-size:10px}
.view{display:none;padding:28px;max-width:1500px;margin:0 auto}.view.active{display:block}.hero{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:28px;padding:34px;background:radial-gradient(circle at 85% 20%,rgba(88,214,165,.18),transparent 30%),radial-gradient(circle at 62% 85%,rgba(138,124,255,.15),transparent 34%),linear-gradient(135deg,#0e1b2f,#0b1627);box-shadow:var(--shadow)}.hero:after{content:"AU";position:absolute;right:30px;bottom:-32px;font-size:170px;font-weight:900;color:rgba(255,255,255,.025);pointer-events:none}.hero .eyebrow{margin-bottom:8px}.hero h2{max-width:820px;font-size:clamp(30px,4.4vw,60px);line-height:1.05;margin:0 0 15px;letter-spacing:-.04em}.hero p{max-width:770px;color:#bac9da;font-size:16px;line-height:1.75;margin:0}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:28px}.stat{border:1px solid var(--line);background:rgba(5,13,23,.48);border-radius:16px;padding:15px}.stat b{display:block;font-size:25px}.stat span{color:var(--muted);font-size:12px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:32px 0 16px}.section-head h2,.section-head h3{margin:0}.section-head p{margin:5px 0 0;color:var(--muted);font-size:13px}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,34,58,.9),rgba(10,22,38,.9));border-radius:var(--radius);padding:20px;box-shadow:0 8px 28px rgba(0,0,0,.08)}.card h3,.card h4{margin:0 0 8px}.card p{color:var(--muted);line-height:1.65;margin:0}.module-card{min-height:180px;display:flex;flex-direction:column}.module-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#18314a;color:var(--accent);font-weight:900;margin-bottom:18px}.module-card .go{margin-top:auto;padding-top:18px;color:var(--accent);font-weight:700;font-size:13px}.kpi-row{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}.kpi-row b{font-size:18px}.kpi-row span{font-size:12px;color:var(--muted)}
.day-shell{display:grid;grid-template-columns:280px 1fr;gap:16px}.day-list{max-height:calc(100vh - 160px);overflow:auto;position:sticky;top:104px;align-self:start}.day-list button{width:100%;display:flex;justify-content:space-between;gap:10px;align-items:center;text-align:left;border:1px solid transparent;background:transparent;color:#b9c7d8;border-radius:12px;padding:10px;margin-bottom:5px}.day-list button:hover,.day-list button.active{background:#14233a;border-color:#243a59;color:#fff}.day-list small{color:var(--muted)}.day-list .done{color:var(--accent)}.phase-pill,.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:5px 9px;font-size:11px;color:#c3d3e4;background:#102039}.badge.green{border-color:rgba(88,214,165,.3);background:rgba(88,214,165,.08);color:#8be6c2}.badge.purple{border-color:rgba(138,124,255,.34);background:rgba(138,124,255,.09);color:#b9b0ff}.day-header{padding:26px}.day-header h2{font-size:34px;margin:8px 0 10px}.day-header p{max-width:850px}.time-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px;margin-top:20px}.time-block{padding:13px;border-radius:13px;background:#0b1829;border:1px solid var(--line)}.time-block b{display:block;font-size:13px}.time-block small{color:var(--muted);font-size:11px}.lesson-list{display:grid;gap:10px;margin-top:14px}.lesson-item{display:flex;gap:13px;align-items:flex-start;border:1px solid var(--line);background:#0b1829;border-radius:14px;padding:14px}.lesson-item .num{width:30px;height:30px;border-radius:9px;background:#17334a;display:grid;place-items:center;color:var(--accent);font-weight:900;font-size:12px;flex:0 0 auto}.lesson-item b{display:block}.lesson-item small{display:block;color:var(--muted);margin-top:3px;line-height:1.5}.day-complete{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.input,.select,.textarea{border:1px solid var(--line);background:#0a1728;color:#fff;border-radius:12px;padding:10px 12px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:#4e6f99}.input{min-width:230px}.textarea{width:100%;min-height:150px;resize:vertical}.vocab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.word-card{position:relative;min-height:210px}.word-index{position:absolute;right:16px;top:15px;color:#526a86;font-size:11px}.word-card h3{font-size:25px;margin:4px 0}.word-meta{display:flex;gap:8px;flex-wrap:wrap;margin:9px 0}.word-meaning{font-size:17px;color:#fff!important;margin:12px 0!important}.word-example{font-size:13px!important;border-left:2px solid #274462;padding-left:10px}.word-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.word-actions button{padding:7px 9px;border-radius:9px;font-size:12px}.word-card.learned{border-color:rgba(88,214,165,.45);box-shadow:inset 0 0 0 1px rgba(88,214,165,.08)}.skeleton{height:15px;width:70%;border-radius:7px;background:linear-gradient(90deg,#152740,#203852,#152740);background-size:200% 100%;animation:shimmer 1.4s infinite}@keyframes shimmer{to{background-position:-200% 0}}.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px}.pager span{color:var(--muted);font-size:12px}
.lesson-card h3{font-size:23px}.pattern{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#07121f;border:1px solid var(--line);padding:12px;border-radius:12px;margin:13px 0;color:#bfe9db}.examples{display:grid;gap:8px;margin:13px 0}.example{padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:#0a1728}.example small{display:block;color:var(--muted);margin-top:4px}.quiz{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}.options{display:grid;gap:7px;margin-top:10px}.option{border:1px solid var(--line);background:#0a1728;color:#dce6f2;border-radius:10px;padding:10px 12px;text-align:left}.option.correct{border-color:rgba(88,214,165,.55);background:rgba(88,214,165,.08)}.option.wrong{border-color:rgba(255,125,142,.5);background:rgba(255,125,142,.07)}
.dialogue{display:grid;gap:9px;margin:14px 0}.line{max-width:82%;padding:11px 13px;border-radius:14px;background:#0a1728;border:1px solid var(--line)}.line.alt{margin-left:auto;background:#122640}.speaker{font-size:11px;color:var(--accent);font-weight:800}.transcript-hidden{filter:blur(6px);user-select:none}.score-ring{width:128px;height:128px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) 0deg,#17283f 0);margin:auto;position:relative}.score-ring:after{content:"";position:absolute;inset:11px;background:#0e1b2f;border-radius:50%}.score-ring div{position:relative;z-index:2;text-align:center}.score-ring b{display:block;font-size:28px}.score-ring small{color:var(--muted)}
.qa-card details{border-top:1px solid var(--line);margin-top:13px;padding-top:13px}.qa-card summary{cursor:pointer;color:var(--accent);font-weight:700}.answer-block{margin-top:10px;border-radius:12px;background:#071521;padding:13px;line-height:1.65;color:#d8e4ef}.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}.filter-tabs button{border:1px solid var(--line);background:#0b1829;color:#b9c7d8;border-radius:999px;padding:7px 10px;font-size:12px}.filter-tabs button.active{background:var(--accent);color:#052016;border-color:var(--accent);font-weight:800}
.job-card ul,.checklist{padding-left:20px;color:#c4d1df;line-height:1.75}.job-card a{color:var(--accent)}.warning{border-left:3px solid var(--warn);background:rgba(255,204,102,.06);padding:12px;border-radius:10px;color:#e8d7a9;font-size:13px;line-height:1.6}.progress-big{display:grid;grid-template-columns:200px 1fr;gap:25px;align-items:center}.progress-bars{display:grid;gap:12px}.progress-row{display:grid;grid-template-columns:150px 1fr 55px;gap:10px;align-items:center}.bar{height:9px;background:#17283f;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#5ca7ff);border-radius:inherit}.activity{display:grid;gap:8px}.activity-item{display:flex;gap:10px;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.activity-item:last-child{border-bottom:0}.activity-dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}.activity-item small{color:var(--muted)}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#14243a;border:1px solid #314862;color:#fff;padding:11px 15px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;z-index:100;box-shadow:var(--shadow)}.toast.show{opacity:1;transform:translate(-50%,0)}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:90;display:grid;place-items:center;padding:18px}.modal-backdrop[hidden]{display:none}.modal{width:min(720px,100%);max-height:88vh;overflow:auto;background:#0d1a2d;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.modal-head h2{margin:0}.modal-close{border:0;background:transparent;color:#fff;font-size:23px}.modal p{color:#c0cfdd;line-height:1.7}
.empty{padding:35px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:18px}.mobile-overlay{display:none}
@media(max-width:1150px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.vocab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.time-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.app-shell{display:block}.sidebar{position:fixed;left:-285px;transition:.25s;width:270px;box-shadow:var(--shadow)}.sidebar.open{left:0}.menu-btn{display:inline-flex}.view{padding:18px}.topbar{padding:12px 16px}.top-actions .ghost{display:none}.day-shell{grid-template-columns:1fr}.day-list{position:static;max-height:260px}.progress-big{grid-template-columns:1fr}.score-ring{margin-left:0}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.hero{padding:24px 20px}.hero h2{font-size:38px}.grid-2,.grid-3,.grid-4,.vocab-grid{grid-template-columns:1fr}.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar h1{font-size:15px}.streak{display:none}.time-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-row{grid-template-columns:100px 1fr 42px}.input{width:100%;min-width:0}.toolbar>*{flex:1 1 auto}.line{max-width:95%}.day-header h2{font-size:28px}}