*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f1f5f9;--bg-card:#fff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--primary-hover:#1d4ed8;--green:#22c55e;--red:#ef4444;--gold:#e6b800;--shadow:0 1px 3px rgba(0,0,0,.08)}
.dark{--bg:#0f172a;--bg-card:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--shadow:0 1px 3px rgba(0,0,0,.3)}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background .3s,color .3s}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.navbar{position:sticky;top:0;z-index:50;background:var(--bg-card);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:56px}
.nav-brand{font-weight:700;font-size:1.1rem;text-decoration:none;color:var(--text)}
.nav-links{display:flex;gap:4px}
.nav-link{padding:6px 12px;border-radius:8px;text-decoration:none;font-size:.875rem;color:var(--text-muted);transition:.2s}
.nav-link:hover,.nav-link.active{background:var(--primary);color:#fff}
.nav-actions{display:flex;gap:8px}
.icon-btn{background:none;border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:1.1rem;color:var(--text)}
.mobile-only{display:none}
.main-content{padding:24px 0;min-height:calc(100vh - 120px)}
.page{display:none}
.page.active{display:block}
.text-2xl{font-size:1.5rem;font-weight:700}
.font-bold{font-weight:700}
.text-sm{font-size:.875rem}
.text-muted{color:var(--text-muted)}
.mb-1{margin-bottom:4px}
.mb-2{margin-bottom:8px}
.mb-3{margin-bottom:12px}
.mb-4{margin-bottom:16px}
.mb-6{margin-bottom:24px}
.mt-1{margin-top:4px}
.p-4{padding:16px}
.p-6{padding:24px}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.text-center{text-align:center}
.w-full{width:100%}
.max-w-sm{max-width:400px}
.mx-auto{margin-left:auto;margin-right:auto}
.mr-1{margin-left:4px}

.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:8px}

.section-title{font-size:1.25rem;font-weight:700;margin-bottom:12px}

.btn{display:inline-flex;align-items:center;gap:4px;padding:8px 16px;border-radius:12px;border:none;font-size:.875rem;font-weight:600;cursor:pointer;transition:.2s;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--border);color:var(--text)}
.btn-secondary:hover{opacity:.8}

.card{background:var(--bg-card);border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow);transition:.2s}
.card:hover{box-shadow:0 4px 12px rgba(0,0,0,.12)}

.price-card{padding:16px}
.price-card .pc-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.price-card .pc-flag{font-size:1.5rem}
.price-card .pc-title{font-weight:600}
.price-card .pc-change{font-size:.75rem;font-weight:600}
.price-card .pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.price-card .pc-label{font-size:.75rem;color:var(--text-muted)}
.price-card .pc-value{font-size:1.25rem;font-weight:700;font-family:'Courier New',monospace}
.green{color:var(--green)}
.red{color:var(--red)}
.gold{color:var(--gold)}

.table-wrap{background:var(--bg-card);border-radius:16px;border:1px solid var(--border);overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:right;padding:12px 16px;font-size:.75rem;font-weight:600;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border)}
td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.875rem}
tr:last-child td{border-bottom:none}
tr:hover{background:var(--bg)}

.label{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:4px}
.input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-size:1rem;font-family:monospace}
.input:focus{outline:2px solid var(--primary);outline-offset:-1px}
select.input{font-family:inherit}
.result-box{margin-top:12px;padding:16px;background:var(--primary);color:#fff;border-radius:12px;text-align:center}
.result-box .result-value{font-size:1.5rem;font-weight:700;font-family:monospace}
.result-box.success{background:var(--green)}
.article-body h2{font-size:1.25rem;margin-top:16px;margin-bottom:8px}
.article-body p{margin-bottom:8px;line-height:1.8}
.article-date{font-size:.75rem;color:var(--text-muted)}
.article-item{padding:8px 0;border-bottom:1px solid var(--border);cursor:pointer}
.article-item:last-child{border:none}
.article-item:hover{color:var(--primary)}

.footer{border-top:1px solid var(--border);padding:24px 0;margin-top:48px}

canvas{width:100%!important}

@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:56px;right:0;left:0;background:var(--bg-card);border-bottom:1px solid var(--border);flex-direction:column;padding:8px;z-index:100}
  .nav-links.show{display:flex}
  .mobile-only{display:block}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .text-2xl{font-size:1.25rem}
}