:root{--primary-color:#d62246;--primary-hover:#b01835;--secondary-color:#eab308;--bg-dark:#0f172a;--bg-card:#1e293b;--bg-card-hover:#2d3748;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#334155;--success-color:#10b981;--error-color:#ef4444;--font-sans:"Inter", "Hind", system-ui, -apple-system, sans-serif;--font-nepali:"Hind", "Mukta", "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}a{color:inherit;text-decoration:none}.app-container{flex-direction:column;min-height:100vh;display:flex}.navbar{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;background-color:#1e293bcc;position:sticky;top:0}.navbar-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex}.nav-logo{color:var(--text-primary);font-size:1.5rem;font-weight:800;font-family:var(--font-nepali);align-items:center;gap:.75rem;display:flex}.logo-icon{color:var(--primary-color);animation:3s ease-in-out infinite float}.nav-links{gap:1.5rem;list-style:none;display:flex}.nav-link{color:var(--text-secondary);border-radius:8px;padding:.5rem 1rem;font-size:.95rem;font-weight:500;transition:all .2s ease-in-out}.nav-link:hover,.nav-link.active{color:var(--text-primary);background-color:#d6224626;box-shadow:0 0 10px #d622461a}.nav-link.active{border-bottom:2px solid var(--primary-color);border-radius:8px 8px 0 0}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2.5rem 2rem}.footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-secondary);background-color:#0b0f19;padding:2rem;font-size:.9rem}.footer-content{flex-direction:column;align-items:center;gap:.5rem;max-width:1200px;margin:0 auto;display:flex}.hero{text-align:center;background:radial-gradient(circle at top,#d6224626 0%,#0f172a00 70%);border-radius:20px;margin-bottom:3rem;padding:4rem 2rem}.hero-title{font-family:var(--font-nepali);background:linear-gradient(135deg, #fff 0%, var(--secondary-color) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1rem;font-size:3.5rem;font-weight:800}.hero-subtitle{color:var(--text-secondary);max-width:700px;margin:0 auto 2rem;font-size:1.25rem}.quote-box{border-left:4px solid var(--secondary-color);max-width:600px;color:var(--text-primary);font-style:italic;font-family:var(--font-nepali);background:#1e293b80;border-radius:0 12px 12px 0;margin:2rem auto;padding:1.25rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:3rem;display:grid}.feature-card{background-color:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;border-radius:16px;flex-direction:column;gap:1rem;padding:2rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.feature-card:before{content:"";background:linear-gradient(90deg, var(--primary-color), var(--secondary-color));opacity:0;width:100%;height:4px;transition:opacity .3s;position:absolute;top:0;left:0}.feature-card:hover:before{opacity:1}.feature-card:hover{border-color:#d6224666;transform:translateY(-5px);box-shadow:0 10px 25px -5px #0000004d,0 8px 10px -6px #d622461a}.feature-icon-wrapper{width:50px;height:50px;color:var(--primary-color);background-color:#d622461a;border-radius:12px;justify-content:center;align-items:center;display:flex}.feature-card:hover .feature-icon-wrapper{background-color:var(--primary-color);color:#fff;transition:all .2s ease-in-out;transform:scale(1.05)}.feature-title{color:var(--text-primary);font-size:1.25rem;font-weight:700;font-family:var(--font-nepali)}.feature-description{color:var(--text-secondary);font-size:.95rem}.stats-section{border:1px solid var(--border-color);text-align:center;background-color:#1e293b66;border-radius:16px;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:2rem;padding:2rem;display:grid}.stat-item{flex-direction:column;gap:.5rem;display:flex}.stat-number{color:var(--secondary-color);font-size:2.25rem;font-weight:800}.stat-label{color:var(--text-secondary);font-size:.9rem;font-family:var(--font-nepali)}.alphabet-tabs{justify-content:center;gap:1rem;margin-bottom:2rem;display:flex}.tab-btn{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;font-size:1rem;font-weight:600;font-family:var(--font-nepali);border-radius:30px;padding:.75rem 2rem;transition:all .2s}.tab-btn:hover{border-color:var(--primary-color);color:var(--text-primary)}.tab-btn.active{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.alphabet-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:1.25rem;display:grid}.alphabet-card{background-color:var(--bg-card);border:1px solid var(--border-color);text-align:center;cursor:pointer;border-radius:12px;padding:1.5rem 1rem;transition:all .2s;position:relative}.alphabet-card:hover{border-color:var(--secondary-color);transform:scale(1.05);box-shadow:0 0 15px #eab30826}.char-main{font-family:var(--font-nepali);color:var(--text-primary);margin-bottom:.5rem;font-size:3rem;font-weight:700}.char-pronounce{color:var(--secondary-color);font-size:1rem;font-weight:600}.char-example{color:var(--text-secondary);font-size:.85rem;font-family:var(--font-nepali);margin-top:.25rem}.page-header{margin-bottom:2rem}.page-title{font-size:2.25rem;font-weight:800;font-family:var(--font-nepali);margin-bottom:.5rem}.page-subtitle{color:var(--text-secondary)}.filter-bar{flex-wrap:wrap;gap:1rem;margin-bottom:2rem;display:flex}.select-filter{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:.75rem 1.5rem;font-size:.95rem}.select-filter:focus{border-color:var(--primary-color);outline:none}.lessons-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:2rem;display:grid}.lesson-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;flex-direction:column;transition:all .2s;display:flex;overflow:hidden}.lesson-card:hover{border-color:var(--primary-color);transform:translateY(-4px);box-shadow:0 8px 20px -4px #0006}.lesson-card-header{border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,#1e293bcc 0%,#0f172acc 100%);justify-content:space-between;align-items:flex-start;padding:1.5rem;display:flex}.badge{text-transform:uppercase;border-radius:30px;padding:.25rem .75rem;font-size:.75rem;font-weight:700}.badge-basic{color:var(--success-color);background-color:#10b98126}.badge-intermediate{color:var(--secondary-color);background-color:#eab30826}.badge-advanced{color:var(--error-color);background-color:#ef444426}.lesson-card-body{flex-direction:column;flex:1;gap:.75rem;padding:1.5rem;display:flex}.lesson-title-np{font-family:var(--font-nepali);color:var(--text-primary);font-size:1.35rem;font-weight:700}.lesson-title-en{color:var(--text-secondary);font-size:.9rem;font-weight:500}.lesson-desc{color:var(--text-secondary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.95rem;display:-webkit-box;overflow:hidden}.lesson-card-footer{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.read-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.6rem 1.25rem;font-weight:600;transition:background-color .2s;display:inline-flex}.read-btn:hover{background-color:var(--primary-hover)}.lesson-detail-container{max-width:800px;margin:0 auto}.back-link{color:var(--text-secondary);cursor:pointer;align-items:center;gap:.5rem;margin-bottom:2rem;font-weight:500;display:inline-flex}.back-link:hover{color:var(--text-primary)}.lesson-meta-bar{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.reading-content{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;margin-bottom:2rem;padding:3rem;box-shadow:0 10px 30px #0003}.reading-content h1{font-size:2.25rem;font-family:var(--font-nepali);border-bottom:1px solid var(--border-color);color:var(--secondary-color);margin-bottom:1.5rem;padding-bottom:.75rem}.reading-content h2{font-size:1.6rem;font-family:var(--font-nepali);color:var(--text-primary);margin-top:2rem;margin-bottom:1rem}.reading-content h3{color:var(--text-primary);margin-top:1.5rem;margin-bottom:.75rem;font-size:1.25rem}.reading-content p{color:#e2e8f0;margin-bottom:1.25rem;font-size:1.1rem}.reading-content ul,.reading-content ol{color:#e2e8f0;margin-bottom:1.5rem;padding-left:2rem}.reading-content li{margin-bottom:.5rem}.reading-content table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:1rem}.reading-content th,.reading-content td{border:1px solid var(--border-color);text-align:left;padding:.75rem 1rem}.reading-content th{color:var(--secondary-color);background-color:#1e293bcc;font-weight:700}.reading-content blockquote{border-left:4px solid var(--primary-color);background:#1e293b99;border-radius:0 8px 8px 0;margin:1.5rem 0;padding:1rem 1.5rem;font-style:italic}.reading-content strong{color:#fff;font-weight:700}.lesson-action-box{text-align:center;background:linear-gradient(135deg,#d622461a 0%,#eab3080d 100%);border:1px solid #d6224640;border-radius:16px;flex-direction:column;align-items:center;gap:1rem;padding:2rem;display:flex}.action-title{font-size:1.25rem;font-weight:700;font-family:var(--font-nepali)}.quiz-header{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1.5rem}.progress-bar-container{background-color:var(--border-color);border-radius:4px;width:100%;height:8px;margin-top:1rem;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--primary-color), var(--secondary-color));border-radius:4px;height:100%;transition:width .3s}.question-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;margin-bottom:2rem;padding:2.5rem}.question-text{font-size:1.35rem;font-weight:600;font-family:var(--font-nepali);margin-bottom:2rem;line-height:1.5}.options-list{flex-direction:column;gap:1rem;display:flex}.option-item{border:1px solid var(--border-color);cursor:pointer;font-family:var(--font-nepali);background-color:#1e293b99;border-radius:12px;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;font-size:1.1rem;transition:all .2s;display:flex}.option-item:hover{border-color:var(--secondary-color);background-color:#1e293be6}.option-item.selected{border-color:var(--primary-color);color:#fff;background-color:#d6224626;font-weight:600;box-shadow:0 0 10px #d622461a}.quiz-actions{justify-content:space-between;align-items:center;display:flex}.results-card{background-color:var(--bg-card);border:1px solid var(--border-color);text-align:center;border-radius:20px;max-width:600px;margin:0 auto;padding:3rem 2rem}.score-circle{border:8px solid var(--border-color);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:150px;height:150px;margin:0 auto 2rem;display:flex}.score-circle.success{border-color:var(--success-color);color:var(--success-color)}.score-circle.warning{border-color:var(--secondary-color);color:var(--secondary-color)}.score-circle.danger{border-color:var(--error-color);color:var(--error-color)}.score-val{font-size:3rem;font-weight:800}.score-lbl{text-transform:uppercase;font-size:.9rem;font-weight:700}.results-details{text-align:left;flex-direction:column;gap:1.5rem;margin:2.5rem 0;display:flex}.result-detail-item{border-bottom:1px solid var(--border-color);padding-bottom:1rem}.result-q-text{font-family:var(--font-nepali);margin-bottom:.5rem;font-size:1.1rem;font-weight:600}.result-answers{justify-content:space-between;gap:1rem;font-size:.95rem;display:flex}.answer-chip{font-family:var(--font-nepali);border-radius:6px;padding:.25rem .75rem}.answer-chip.selected{color:var(--error-color);background-color:#ef444426}.answer-chip.selected.correct,.answer-chip.correct-label{color:var(--success-color);background-color:#10b98126}.search-container{gap:1rem;max-width:600px;margin-bottom:3rem;display:flex}.search-input-wrapper{flex:1;position:relative}.search-input{background-color:var(--bg-card);border:1px solid var(--border-color);width:100%;color:var(--text-primary);font-size:1.1rem;font-family:var(--font-sans);border-radius:12px;padding:1rem 1rem 1rem 3rem}.search-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 15px #d622461a}.search-icon-inside{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:1.25rem;transform:translateY(-50%)}.dict-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem;display:grid}.dict-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;flex-direction:column;gap:.75rem;padding:1.75rem;transition:all .2s;display:flex}.dict-card:hover{border-color:#eab30866;box-shadow:0 5px 15px #0003}.dict-word-row{justify-content:space-between;align-items:baseline;display:flex}.dict-word{font-family:var(--font-nepali);color:var(--secondary-color);font-size:1.8rem;font-weight:700}.dict-pos{color:var(--text-secondary);background-color:#ffffff0d;border-radius:4px;padding:.2rem .6rem;font-size:.85rem;font-style:italic}.dict-meaning{color:var(--text-primary);font-size:1rem;line-height:1.5}.dict-example{color:var(--text-secondary);border-left:2px solid var(--border-color);font-size:.9rem;font-family:var(--font-nepali);margin-top:.5rem;padding-left:.75rem;font-style:italic}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}.btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:background-color .2s;display:inline-flex}.btn:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--bg-card-hover);border-color:var(--text-secondary)}.btn-disabled{background-color:var(--border-color);color:var(--text-muted);cursor:not-allowed}.empty-state{text-align:center;color:var(--text-secondary);flex-direction:column;align-items:center;gap:1rem;padding:4rem 2rem;display:flex}@media (width<=768px){.hero-title{font-size:2.5rem}.navbar-container{flex-direction:column;gap:1rem;padding:1rem}.nav-links{justify-content:space-around;width:100%}.stats-section{grid-template-columns:repeat(2,1fr)}.reading-content{padding:1.5rem}}