:root{--md-primary-rgb: 0, 72, 162;--md-accent-rgb: 252, 72, 0;--md-primary: #0048a2;--md-primary-hover: #00397f;--md-on-primary: #ffffff;--md-accent: #fc4800;--md-primary-container: #cfe2fb;--md-on-primary-container: #021a39;--md-surface: #ffffff;--md-surface-variant: #e4eaf4;--md-surface-dim: #eef2fb;--md-on-surface: #161d2a;--md-on-surface-variant: #3d475d;--md-outline: #b4c2d9;--md-outline-variant: #c9d5e8;--md-shadow-sm: 0 1px 2px rgba(var(--md-primary-rgb), .08), 0 2px 8px rgba(var(--md-primary-rgb), .05);--md-shadow-md: 0 2px 10px rgba(var(--md-primary-rgb), .09), 0 6px 22px rgba(var(--md-primary-rgb), .06);--md-radius-xl: 28px;--md-radius-lg: 20px;--md-radius-md: 14px;--brand-logo-max-h: 3.25rem;--brand-title-nudge: 0}*{box-sizing:border-box;margin:0;padding:0;font-family:Roboto,Noto Sans Devanagari,Inter,system-ui,sans-serif}body{min-height:100vh;background:radial-gradient(120% 82% at 50% -6%,rgba(var(--md-primary-rgb),.09) 0%,transparent 58%),radial-gradient(90% 55% at 100% -5%,rgba(var(--md-accent-rgb),.085) 0%,transparent 48%),linear-gradient(180deg,var(--md-surface-dim) 0%,#dde5f5 52%,var(--md-surface-dim) 100%);color:var(--md-on-surface);padding:1.25rem clamp(.75rem,3vw,1.5rem) 2.5rem;line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:760px;margin:0 auto}.material-symbols-outlined{font-family:Material Symbols Outlined;font-weight:400;font-style:normal;font-size:1.35rem;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-smoothing:antialiased;font-variation-settings:"FILL" 0,"wght" 500,"GRAD" 0,"opsz" 24}.top-app-bar{margin-bottom:1rem;padding:.5rem 0;display:flex;justify-content:center;background:transparent;border:none;border-radius:0;box-shadow:none}.brand{display:inline-flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem 1rem;max-width:100%;text-decoration:none;color:inherit;border-radius:var(--md-radius-lg);outline:none;transition:background .18s ease;line-height:0}.brand:focus-visible{box-shadow:0 0 0 3px var(--md-primary-container)}.brand:hover{background:rgba(var(--md-primary-rgb),.045)}.brand-logo-cell{display:inline-flex;align-items:center;justify-content:center;line-height:0}.brand-logo{display:block;height:var(--brand-logo-max-h);width:auto;max-width:min(260px,56vw);object-fit:contain}.brand-title-line{margin:0;padding:0;font-size:clamp(1.05rem,3.15vw,1.375rem);font-weight:600;letter-spacing:.02em;color:var(--md-on-surface);line-height:1.05;min-width:0;text-align:center;transform:translateY(var(--brand-title-nudge))}.tabs{display:flex;flex-wrap:wrap;gap:.375rem;padding:.375rem;margin-bottom:1.35rem;background:var(--md-surface-variant);border-radius:var(--md-radius-lg);border:1px solid var(--md-outline-variant);box-shadow:inset 0 1px 1px #ffffffd9}.tab-btn{flex:1 1 0;min-width:8.5rem;min-height:2.75rem;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.5rem .65rem;border:none;border-radius:var(--md-radius-md);cursor:pointer;font-family:inherit;font-weight:500;font-size:.8125rem;letter-spacing:.01em;color:var(--md-on-surface-variant);background:transparent;transition:background .2s ease,color .2s ease,box-shadow .2s ease}.tab-btn:focus-visible{outline:2px solid var(--md-primary);outline-offset:2px}.tab-btn:hover:not(.active){background:#ffffff8c;color:var(--md-on-surface)}.tab-icon{opacity:.88}.tab-btn.active{color:var(--md-accent);background:var(--md-surface);box-shadow:var(--md-shadow-sm)}.tab-btn.active .tab-icon{font-variation-settings:"FILL" 1,"wght" 500,"GRAD" 0,"opsz" 24;color:var(--md-accent)}.tab-label{white-space:nowrap}@media(max-width:520px){.tab-btn{min-width:calc(50% - .2rem);flex:1 1 calc(50% - .2rem)}}.card{background:var(--md-surface);border-radius:var(--md-radius-xl);padding:clamp(1.25rem,4vw,1.75rem);border:1px solid var(--md-outline-variant);box-shadow:var(--md-shadow-sm)}.panel{animation:panelIn .32s cubic-bezier(.2,.8,.2,1)}@keyframes panelIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.drop-zone{border:2px dashed var(--md-outline-variant);border-radius:var(--md-radius-lg);padding:clamp(1.35rem,4vw,2rem) 1rem;text-align:center;cursor:pointer;background:linear-gradient(180deg,#fefcfb 0%,var(--md-surface-variant) 100%);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;position:relative;margin-bottom:.65rem}.drop-zone:hover{border-color:var(--md-primary);background:var(--md-primary-container);box-shadow:0 0 0 4px rgba(var(--md-primary-rgb),.08)}.drop-zone strong{font-weight:600;font-size:.84375rem;color:var(--md-on-surface)}.drop-zone input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.file-item{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding:.55rem .65rem;background:var(--md-surface-variant);border-radius:var(--md-radius-md);margin-bottom:.375rem;font-size:.75rem;font-weight:500;color:var(--md-on-surface-variant);border:1px solid transparent}.levels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:1.1rem 0}@media(max-width:880px){.levels{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.levels{grid-template-columns:1fr}}.lv-card{border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-md);padding:.625rem .4rem;text-align:center;cursor:pointer;background:var(--md-surface);font-size:.6875rem;line-height:1.38;color:var(--md-on-surface-variant);transition:transform .15s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease}.lv-card:hover{border-color:var(--md-outline);box-shadow:var(--md-shadow-sm);transform:translateY(-1px)}.lv-card.selected{border-color:var(--md-primary);background:var(--md-primary-container);color:var(--md-on-primary-container);font-weight:500;box-shadow:var(--md-shadow-sm)}.btn-main{width:100%;margin-top:.25rem;padding:.8125rem 1.125rem;border:none;border-radius:var(--md-radius-md);font-family:inherit;font-weight:600;font-size:.84375rem;letter-spacing:.04em;text-transform:none;cursor:pointer;background:var(--md-primary);color:var(--md-on-primary);box-shadow:var(--md-shadow-sm);transition:transform .15s ease,box-shadow .18s ease,background .18s ease,opacity .18s ease}.btn-main:hover:not(:disabled){background:var(--md-primary-hover);box-shadow:var(--md-shadow-md);transform:translateY(-1px)}.btn-main:active:not(:disabled){transform:translateY(0)}.btn-main:disabled{opacity:.38;cursor:not-allowed;box-shadow:none}.wm-thumb{width:100px;height:100px;object-fit:contain;margin:.65rem auto;border:1px solid var(--md-outline-variant);border-radius:var(--md-radius-md);display:none;box-shadow:var(--md-shadow-sm)}.wm-thumb.is-visible{display:block}.site-footer{margin-top:3rem;padding:1.5rem clamp(1rem,5vw,1.75rem);padding-bottom:.25rem;border-radius:var(--md-radius-lg);background:#ffffff8c;border:1px solid rgba(var(--md-primary-rgb),.1);box-shadow:inset 0 1px #ffffffd1}.site-footer-inner{max-width:30rem;margin:0 auto;text-align:center;display:flex;flex-direction:column;gap:.75rem}.site-footer-tagline{font-size:.78125rem;line-height:1.52;font-weight:400;color:var(--md-on-surface-variant)}.site-footer-copy{font-size:.72rem;font-weight:500;line-height:1.45;color:var(--md-on-surface-variant);opacity:.95}.site-footer-brand{font-weight:700;color:var(--md-on-surface);letter-spacing:0}