:root{--ink:#101c3a;--ink2:#17274e;--coral:#ff6b5e;--lime:#c9f27b;--cream:#f7f4ec;--muted:#667085;--line:#e7e9ef;--white:#fff;--shadow:0 18px 50px rgba(16,28,58,.10)}*{box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fbfcff}.navbar{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,28,58,.08)}.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-weight:900}.navbar-brand{font-weight:850;letter-spacing:-.4px}.nav-link{font-weight:600;color:#42506d!important}.nav-link:hover,.nav-link.active{color:var(--coral)!important}.btn{border-radius:12px;font-weight:750;padding:.72rem 1.05rem}.btn-primary{background:var(--coral);border-color:var(--coral)}.btn-primary:hover{background:#ed584d;border-color:#ed584d}.btn-dark{background:var(--ink);border-color:var(--ink)}.btn-lime{background:var(--lime);color:var(--ink)}.hero{padding:6.5rem 0 4rem;background:linear-gradient(135deg,#f8f7f2 0%,#f1f7ff 60%,#f7ffe8 100%);overflow:hidden}.eyebrow{display:inline-flex;gap:.5rem;align-items:center;padding:.42rem .72rem;background:#eefbcf;border-radius:999px;font-size:.78rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase}.display-title{font-size:clamp(2.6rem,5vw,5.1rem);font-weight:900;line-height:.96;letter-spacing:-.055em}.text-coral{color:var(--coral)}.hero-img{width:100%;border-radius:30px;box-shadow:var(--shadow);transform:rotate(1deg)}.trust-row{display:flex;gap:1rem;flex-wrap:wrap;color:#52617f;font-size:.9rem}.trust-row span{display:flex;align-items:center;gap:.4rem}.section{padding:5rem 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.55rem;font-size:.72rem;font-weight:800}.price{font-size:1.2rem;font-weight:900}.icon-box{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:#eefbcf;font-size:1.25rem}.footer{background:var(--ink);color:#c5cee1;padding:4rem 0 2rem}.footer a{color:#c5cee1;text-decoration:none}.page-hero{padding:8rem 0 3rem;background:linear-gradient(135deg,#f8f7f2,#eef4ff)}.filter-bar{background:#fff;border:1px solid var(--line);border-radius:18px;padding:1rem;box-shadow:0 8px 30px rgba(16,28,58,.05)}.form-control,.form-select{border-radius:12px;border-color:#dfe3ec;padding:.75rem}.form-control:focus,.form-select:focus{border-color:var(--coral);box-shadow:0 0 0 .2rem rgba(255,107,94,.12)}.detail-cover{min-height:460px;border-radius:28px;padding:3rem;display:flex;align-items:flex-end}.check-list{list-style:none;padding:0}.check-list li{padding:.45rem 0}.check-list i{color:#4aa875;margin-right:.5rem}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}.login-visual{background:var(--ink);color:#fff;padding:5vw;display:flex;flex-direction:column;justify-content:space-between}.login-panel{display:grid;place-items:center;padding:2rem}.login-box{max-width:430px;width:100%}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--ink);color:white;padding:1.5rem;position:sticky;top:0;height:100vh}.sidebar a{color:#bfc8dd;text-decoration:none;display:flex;align-items:center;gap:.8rem;padding:.8rem 1rem;border-radius:12px;margin:.2rem 0;font-weight:650}.sidebar a:hover,.sidebar a.active{background:rgba(201,242,123,.12);color:var(--lime)}.app-main{padding:2rem;min-width:0}.stat-card{padding:1.3rem;border-radius:18px;background:white;border:1px solid var(--line)}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--lime);font-weight:900}.progress{height:8px;border-radius:99px}.progress-bar{background:var(--coral)}.lesson-item{display:flex;align-items:center;gap:1rem;padding:1rem;border-bottom:1px solid var(--line)}.admin-table th{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.mobile-top{display:none}.toast-note{position:fixed;right:20px;bottom:20px;background:var(--ink);color:#fff;padding:1rem 1.2rem;border-radius:14px;box-shadow:var(--shadow);z-index:1050;display:none}.toast-note.show{display:block;animation:fade .25s}@keyframes fade{from{opacity:0;transform:translateY(8px)}}@media(max-width:991px){.hero{padding-top:5.5rem}.hero-img{margin-top:2rem}.app-shell{grid-template-columns:1fr}.sidebar{display:none}.mobile-top{display:flex;background:var(--ink);color:#fff;padding:1rem;justify-content:space-between}.app-main{padding:1rem}.login-shell{grid-template-columns:1fr}.login-visual{display:none}}@media(max-width:575px){.display-title{font-size:2.75rem}.section{padding:3.5rem 0}.page-hero{padding-top:6.5rem}.detail-cover{min-height:330px}.app-main{padding:.75rem}}