:root{--color-primary:#4f46e5;--color-primary-dark:#4338ca;--color-bg:#f9fafb;--color-surface:#fff;--color-border:#e5e7eb;--color-text:#111827;--color-text-muted:#6b7280;--color-success:#10b981;--color-error:#ef4444;--color-warning:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.navbar{z-index:100;background:linear-gradient(#fff 0%,#f8fafc 100%);border-bottom:none;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;display:flex;position:sticky;top:0}.navbar:after{content:"";pointer-events:none;background:linear-gradient(90deg,#2563eb,#7c3aed,#6366f1);height:2px;position:absolute;bottom:0;left:0;right:0}.navbar .brand{color:var(--color-primary);font-size:1.25rem;font-weight:700}.navbar-brand-link{align-items:center;gap:.75rem;display:flex;text-decoration:none!important}.navbar-logo-img{border-radius:.5rem;flex-shrink:0;width:2.5rem;height:2.5rem;box-shadow:0 2px 12px #4f46e538}.navbar-brand-text{background:linear-gradient(135deg,#1d4ed8,#6d28d9);-webkit-text-fill-color:transparent;white-space:nowrap;-webkit-background-clip:text;background-clip:text;font-size:1rem;font-weight:800;line-height:1.15}@media (width<=640px){.navbar-brand-text{font-size:.88rem}}.navbar nav{flex-wrap:wrap;gap:1.5rem;display:flex}.navbar nav a{color:var(--color-text);font-weight:500;transition:color .15s}.navbar nav a:hover{color:#5b21b6;text-decoration:none}.navbar .user-info{color:var(--color-text-muted);font-size:.875rem}.paper-site-shell{--paper-red:#b31b1b;--paper-red-dark:#7f1111;--paper-ink:#26211c;--paper-muted:#655f57;--paper-rule:#cfc7b8;min-height:100vh;color:var(--paper-ink);background:#f6f3ea}.paper-navbar{color:#fff;background:linear-gradient(#b31b1b 0%,#991717 100%);box-shadow:0 2px 10px #4b0c0c33}.paper-navbar:after{background:#6f1010;height:3px}.paper-navbar .navbar-logo-img{box-shadow:none;background:#fff;border-radius:2px}.paper-navbar .navbar-brand-text{color:#fff;-webkit-text-fill-color:#fff;letter-spacing:.01em;background:0 0;font-family:Georgia,Times New Roman,serif;font-size:1.08rem}.paper-navbar nav{gap:1.1rem}.paper-navbar nav a,.paper-navbar .navbar-link-login{color:#fff}.paper-navbar nav a:hover,.paper-navbar .navbar-link-login:hover{color:#fff4cf;background:0 0;text-decoration:underline;transform:none}.paper-navbar>div:last-child>div>button.btn-outline,.paper-navbar>div:last-child>a.btn-outline,.paper-navbar>div:last-child>button.btn-outline{color:#fff;border-color:#ffffffb3}.paper-navbar>div:last-child>a.btn-primary{color:var(--paper-red-dark)!important;background:#fff7df!important}.paper-main{max-width:1180px;min-height:calc(100vh - 68px)}.paper-archive{max-width:1080px;margin:0 auto;padding:1rem 0 2.5rem;font-family:Arial,Helvetica,sans-serif}.paper-archive-masthead{color:#fff;background:var(--paper-red);border-bottom:5px solid var(--paper-red-dark);justify-content:space-between;align-items:flex-end;gap:2rem;padding:1.2rem 1.35rem 1rem;display:flex}.paper-archive-kicker{letter-spacing:.08em;text-transform:uppercase;margin:0 0 .1rem;font-size:.75rem;font-weight:700}.paper-archive-masthead h1{color:#fff;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,5vw,3.35rem);font-weight:400;line-height:1}.paper-archive-masthead h1 span{margin-left:.45rem;font-family:Arial,Helvetica,sans-serif;font-size:.42em;font-weight:500}.paper-archive-masthead p:last-child{color:#fff4ed;margin-top:.65rem}.paper-submit-link{color:var(--paper-red-dark);background:#fffaf0;border:1px solid #eadfc8;flex:none;padding:.5rem .85rem;font-weight:700}.paper-submit-link:hover{color:#5d0909;background:#fff;text-decoration:none}.paper-search-panel{border:1px solid var(--paper-rule);background:#e9e5dc;border-top:0;padding:1rem 1.2rem .8rem}.paper-search-panel form{grid-template-columns:auto minmax(200px,1fr) minmax(150px,auto) auto;align-items:center;gap:.55rem;display:grid}.paper-search-panel label{font-weight:700}.paper-search-panel input,.paper-search-panel select,.paper-search-panel button,.paper-sort-bar button{min-height:34px;color:var(--paper-ink);font:inherit;background:#fff;border:1px solid #948c80;border-radius:0;padding:.35rem .55rem}.paper-search-panel form button{color:#fff;background:var(--paper-red);border-color:var(--paper-red-dark);cursor:pointer;padding-inline:1rem}.paper-type-links{flex-wrap:wrap;align-items:center;gap:.25rem .75rem;margin-top:.65rem;font-size:.82rem;display:flex}.paper-type-links button{color:#0645ad;cursor:pointer;background:0 0;border:0;min-height:0;padding:0}.paper-type-links button:hover,.paper-type-links button.active{color:var(--paper-red-dark);text-decoration:underline}.paper-sort-bar{border-bottom:1px solid var(--paper-rule);flex-wrap:wrap;align-items:center;gap:.45rem;padding:.75rem 0 .55rem;font-size:.82rem;display:flex}.paper-sort-bar button{cursor:pointer;min-height:28px}.paper-sort-bar button.active{color:#fff;background:var(--paper-red);border-color:var(--paper-red-dark)}.paper-results>h2{color:#fff;background:var(--paper-red);margin:1.2rem 0 0;padding:.35rem .55rem;font-family:Georgia,Times New Roman,serif;font-size:1.15rem;font-weight:400}.paper-entry{border-bottom:1px solid var(--paper-rule);background:#fffdf8;grid-template-columns:54px minmax(0,1fr);gap:.8rem;padding:1rem .55rem;display:grid}.paper-entry:nth-child(2n){background:#f3f0e8}.paper-entry-rank{color:var(--paper-red);text-align:center;font-family:Georgia,Times New Roman,serif;font-size:1.45rem}.paper-entry-meta{color:var(--paper-muted);margin:0;font-family:monospace;font-size:.78rem}.paper-entry h3{margin:.15rem 0 .2rem;font-family:Georgia,Times New Roman,serif;font-size:1.2rem;line-height:1.28}.paper-entry h3 a{color:#0645ad}.paper-entry-authors,.paper-entry-abstract{margin:.25rem 0}.paper-entry-authors{color:#49433c;font-size:.9rem}.paper-entry-abstract{color:#332f2a;font-family:Georgia,Times New Roman,serif;line-height:1.55}.paper-entry-stats{color:var(--paper-muted);flex-wrap:wrap;gap:.25rem 1rem;margin-top:.45rem;font-size:.78rem;display:flex}.paper-entry-stats strong{color:var(--paper-red-dark)}.paper-archive-status{border-bottom:1px solid var(--paper-rule);background:#fffdf8;padding:1.4rem .8rem}.paper-archive-error{color:#a31515}.paper-score-note{border-left:4px solid var(--paper-red);background:#eeeae1;margin-top:1.5rem;padding:.8rem 1rem;scroll-margin-top:86px;font-size:.85rem}.paper-score-note h2{margin:0 0 .25rem;font-family:Georgia,Times New Roman,serif;font-size:1rem}@media (width<=900px){.paper-navbar{flex-wrap:wrap;gap:.65rem}.paper-navbar>div:first-child{flex-wrap:wrap;gap:.6rem 1rem!important}.paper-navbar nav{gap:.45rem .9rem}.paper-search-panel form{grid-template-columns:auto minmax(160px,1fr) auto}.paper-search-panel form select{grid-column:2/3}.paper-search-panel form button{grid-area:1/3/3;align-self:stretch}}@media (width<=640px){.paper-navbar{padding:.65rem .85rem;position:static}.paper-navbar>div:first-child{width:100%}.paper-navbar>div:last-child{flex-wrap:wrap;width:100%}.paper-navbar .navbar-brand-text{font-size:.95rem}.paper-main{padding-inline:.65rem!important}.paper-archive-masthead{flex-direction:column;align-items:flex-start;gap:.85rem}.paper-archive-masthead h1 span{margin:.35rem 0 0;display:block}.paper-search-panel form{grid-template-columns:1fr}.paper-search-panel form label,.paper-search-panel form input,.paper-search-panel form select,.paper-search-panel form button{grid-area:auto/1;width:100%}.paper-entry{grid-template-columns:38px minmax(0,1fr);padding-inline:.25rem}.paper-entry-rank{font-size:1.05rem}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:.75rem;margin-bottom:1rem;padding:1.5rem}.card-title{margin-bottom:.75rem;font-size:1.125rem;font-weight:600}.btn{cursor:pointer;border:none;border-radius:.5rem;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-outline{border:1px solid var(--color-border);color:var(--color-text);background:0 0}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-secondary{color:#334155;border:1px solid var(--color-border);background:linear-gradient(#f8fafc,#f1f5f9)}.btn-secondary:hover{color:#4338ca;border-color:#818cf8}.btn-gradient-primary{color:#fff!important;background:linear-gradient(135deg,#2563eb,#7c3aed)!important;border:none!important}.btn-primary.btn-gradient-primary:hover{filter:brightness(1.03);background:linear-gradient(135deg,#1d4ed8,#6d28d9)!important}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:.25rem .75rem;font-size:.75rem}.form-group{margin-bottom:1rem}.form-group label{margin-bottom:.25rem;font-size:.875rem;font-weight:500;display:block}.form-group input,.form-group textarea,.form-group select{border:1px solid var(--color-border);border-radius:.5rem;width:100%;padding:.5rem .75rem;font-family:inherit;font-size:.875rem}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 2px #4f46e51a}.form-group textarea{resize:vertical;min-height:120px;font-family:Monaco,Menlo,monospace}.badge{border-radius:999px;padding:.125rem .5rem;font-size:.75rem;font-weight:500;display:inline-block}.badge-success{color:#065f46;background:#d1fae5}.badge-warning{color:#92400e;background:#fef3c7}.badge-error{color:#991b1b;background:#fee2e2}.badge-neutral{color:#374151;background:#f3f4f6}.page-header{margin-bottom:1.5rem}.page-header h1{font-size:1.5rem;font-weight:700}.page-header p{color:var(--color-text-muted);margin-top:.25rem;font-size:.875rem}.grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem;display:grid}.alert{border-radius:.5rem;margin-bottom:1rem;padding:.75rem 1rem;font-size:.875rem}.alert-error{color:#991b1b;background:#fee2e2;border:1px solid #fca5a5}.alert-success{color:#065f46;background:#d1fae5;border:1px solid #6ee7b7}.exec-result{color:#d4d4d4;background:#1e1e1e;border-radius:.5rem;margin-top:.75rem;padding:1rem;font-family:Monaco,monospace;font-size:.8rem;overflow-x:auto}.exec-result .label{color:#9cdcfe}.exec-result .value{color:#ce9178}.exec-result .error{color:#f48771}.exec-result .success{color:#4ec9b0}.interactive-card{transition:transform .22s,box-shadow .22s,border-color .22s}.interactive-card:hover{transform:translateY(-3px);box-shadow:0 12px 36px #6366f124}.btn-motion{transition:transform .18s,box-shadow .18s,filter .18s}.btn-motion:hover{filter:brightness(1.03);transform:translateY(-2px);box-shadow:0 10px 28px #2563eb47}.home-section-how{background:linear-gradient(#eef2ff 0%,#f8fafc 55%,#f9fafb 100%)}.home-section-features{background:linear-gradient(#faf5ff 0%,#fff 50%,#f9fafb 100%)}.home-section-compare{background:linear-gradient(#ecfeff 0%,#f1f5f9 45%,#f8fafc 100%)}.home-stat-tile{border:1px solid #6366f11f;border-radius:1rem;padding:1.25rem 1rem;transition:transform .2s,box-shadow .2s}.home-stat-tile:hover{transform:translateY(-4px);box-shadow:0 14px 36px #4f46e51f}.home-kpi-title{background:linear-gradient(135deg,#1d4ed8,#6d28d9);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.35rem;font-size:clamp(1.35rem,3vw,1.75rem);font-weight:800}.home-compare-table tbody tr:hover{background:#6366f112}.home-compare-table tbody tr{transition:background .18s,box-shadow .18s}.home-compare-table tbody tr:hover{background:linear-gradient(90deg,#e0e7ff73,#faf5ff59);box-shadow:inset 0 0 0 1px #6366f11f}.navbar-link-login{border-radius:.5rem;padding:.35rem .85rem;font-weight:600;transition:background .2s,color .2s,transform .18s}.navbar-link-login:hover{color:#5b21b6;background:linear-gradient(135deg,#2563eb1a,#7c3aed1a);transform:translateY(-1px);text-decoration:none!important}.table{border-collapse:collapse;width:100%;font-size:.875rem}.table th,.table td{text-align:left;border-bottom:1px solid var(--color-border);padding:.5rem .75rem}.table th{color:var(--color-text-muted);font-weight:600}.store-detail-hero{background:linear-gradient(135deg,#f8fafc 0%,#eef2ff 45%,#faf5ff 100%);border:1px solid #6366f138;border-radius:.75rem;margin-bottom:1.5rem;padding:1.5rem 1.35rem 1.4rem;position:relative;box-shadow:0 4px 24px #4f46e50f}.store-detail-hero:after{content:"";pointer-events:none;background:linear-gradient(90deg,#2563eb,#7c3aed,#6366f1);border-radius:1px;height:2px;position:absolute;bottom:0;left:1.25rem;right:1.25rem}.store-detail-hero h1{background:linear-gradient(135deg,#1d4ed8,#6d28d9);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:clamp(1.35rem,3.2vw,1.85rem);font-weight:800;line-height:1.2}.store-detail-slab{border:1px solid var(--color-border);background:#fff;border-radius:.75rem;position:relative}.store-detail-slab:before{content:"";pointer-events:none;background:linear-gradient(90deg,#2563eb,#7c3aed,#a78bfa);border-radius:.75rem .75rem 0 0;height:3px;position:absolute;top:0;left:0;right:0}