:root{--bg:#f6f8fb;--card:#fff;--ink:#1a2233;--muted:#64748b;--brand:#2563eb;--brand-dark:#1d4ed8;--accent:#0ea5e9;--line:#e5e9f0;--ok:#ecfdf5;--ok-line:#a7f3d0;--radius:14px;--shadow:0 1px 3px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.05)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:880px;margin:0 auto;padding:0 18px}.site-header{background:var(--card);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}.logo{font-weight:800;font-size:1.2rem;color:var(--ink)}.logo:hover{text-decoration:none}.main-nav{display:flex;gap:18px;flex-wrap:wrap}.main-nav a{color:var(--muted);font-size:.93rem;font-weight:500}.main-nav a:hover{color:var(--brand);text-decoration:none}.hero{text-align:center;padding:44px 0 24px}.hero h1{font-size:2.1rem;margin:0 0 10px;letter-spacing:-.02em}.hero p{color:var(--muted);font-size:1.08rem;margin:0 auto;max-width:560px}.section-title{font-size:1.3rem;margin:32px 0 14px;display:flex;align-items:center;gap:8px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:14px;gap:14px}.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);transition:transform .12s ease,border-color .12s ease}.card:hover{transform:translateY(-2px);border-color:var(--brand);text-decoration:none}.card .card-title{font-weight:700;color:var(--ink);margin:0 0 4px;font-size:1rem}.card .card-desc{color:var(--muted);font-size:.86rem;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px;margin:18px 0}.cat-chip{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);font-weight:600;color:var(--ink)}.cat-chip:hover{border-color:var(--brand);text-decoration:none}.cat-chip .ico{font-size:1.4rem}.cat-chip .count{margin-left:auto;color:var(--muted);font-size:.8rem;font-weight:500}.breadcrumb{font-size:.85rem;margin:20px 0 8px}.breadcrumb,.breadcrumb a{color:var(--muted)}.calc-header h1{font-size:1.7rem;margin:6px 0 8px;letter-spacing:-.01em}.calc-intro{color:var(--muted);margin:0 0 18px}.calc-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.calc-form{gap:16px}.calc-form,.field{display:flex;flex-direction:column}.field{gap:6px}.field label{font-weight:600;font-size:.92rem}.field-input{display:flex;align-items:center;gap:8px}.field-input input,.field-input select{flex:1 1;width:100%;padding:11px 13px;font-size:1rem;border:1px solid var(--line);border-radius:10px;background:#fbfcfe;color:var(--ink)}.field-input input:focus,.field-input select:focus{outline:none;border-color:var(--brand);background:#fff}.field-input .unit{color:var(--muted);font-weight:600;min-width:24px}.help{color:var(--muted);font-size:.8rem;margin:0}.btn{margin-top:4px;background:var(--brand);color:#fff;border:none;padding:13px 18px;font-size:1.02rem;font-weight:700;border-radius:10px;cursor:pointer;transition:background .12s ease}.btn:hover{background:var(--brand-dark)}.result-error{margin-top:16px;padding:12px 14px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:10px;font-size:.92rem}.result{margin-top:18px;border-top:1px dashed var(--line);padding-top:14px;display:flex;flex-direction:column;gap:2px}.result-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:9px 12px;border-radius:8px}.result-row .result-label{color:var(--muted);font-size:.92rem}.result-row .result-value{font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:right}.result-row.highlight{background:var(--ok);border:1px solid var(--ok-line)}.result-row.highlight .result-label{color:#047857;font-weight:600}.result-row.highlight .result-value{font-size:1.25rem;color:#065f46}.result-note{flex-basis:100%;color:var(--muted);font-size:.78rem;text-align:right}.content-block{margin:26px 0}.content-block h2{font-size:1.2rem;margin:0 0 10px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:10px}.faq-item h3{margin:0 0 6px;font-size:.98rem}.faq-item p{margin:0;color:var(--muted);font-size:.92rem}.related-list{display:flex;flex-wrap:wrap;gap:8px}.related-list a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.88rem}.related-list a:hover{border-color:var(--brand);text-decoration:none}.site-footer{margin-top:48px;padding:28px 0;border-top:1px solid var(--line);background:var(--card)}.site-footer p{margin:4px 0;color:var(--muted);font-size:.88rem;text-align:center}.site-footer .disclaimer{font-size:.78rem}.search-box{position:relative;max-width:460px;margin:22px auto 0}.search-box input{width:100%;padding:13px 16px;font-size:1rem;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);box-shadow:var(--shadow)}.search-box input:focus{outline:none;border-color:var(--brand)}.search-results{list-style:none;margin:6px 0 0;padding:6px;position:absolute;left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:20;text-align:left}.search-results li a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--ink)}.search-results li a:hover{background:var(--bg);text-decoration:none}.search-results li a small{color:var(--muted);font-size:.78rem;white-space:nowrap}.search-results .no-result{padding:10px 12px;color:var(--muted);font-size:.9rem}.copy-btn{margin-top:12px;align-self:flex-start;background:transparent;color:var(--brand);border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-size:.88rem;font-weight:600;cursor:pointer;transition:all .12s ease}.copy-btn:hover{border-color:var(--brand);background:var(--bg)}.theme-toggle{background:transparent;border:1px solid var(--line);border-radius:8px;width:38px;height:38px;font-size:1.05rem;cursor:pointer;line-height:1;flex-shrink:0}.theme-toggle:hover{border-color:var(--brand)}.footer-nav{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}.footer-nav a{color:var(--muted);font-size:.88rem}.page{max-width:720px;margin:0 auto;padding-bottom:20px}.page h1{font-size:1.8rem;margin:6px 0 16px}.page h2{font-size:1.2rem;margin:24px 0 8px}.page p{color:var(--ink);margin:0 0 12px}@media (max-width:600px){.hero h1{font-size:1.6rem}.main-nav{display:none}}.doviz-row{display:flex;gap:10px;align-items:flex-end}.doviz-row .field{flex:1 1}.swap-btn{background:var(--bg);border:1px solid var(--line);border-radius:8px;width:42px;height:44px;font-size:1.2rem;cursor:pointer;flex-shrink:0;color:var(--brand)}.swap-btn:hover{border-color:var(--brand)}.piyasa-tablo{width:100%;border-collapse:collapse;margin-top:10px;font-size:.92rem}.piyasa-tablo td,.piyasa-tablo th{text-align:right;padding:9px 10px;border-bottom:1px solid var(--line);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.piyasa-tablo td:first-child,.piyasa-tablo th:first-child{text-align:left;font-weight:600}.piyasa-tablo th{color:var(--muted);font-weight:600;font-size:.82rem}.piyasa-tablo .artis{color:#059669}.piyasa-tablo .dusus{color:#dc2626}.seo-content h2{font-size:1.2rem;margin:22px 0 8px}.seo-content p{color:var(--ink);margin:0 0 12px}.seo-content ul{margin:0 0 14px;padding-left:20px;color:var(--ink)}.seo-content li{margin-bottom:5px}[data-theme=dark]{--bg:#0f1623;--card:#1a2333;--ink:#e8edf5;--muted:#94a3b8;--brand:#60a5fa;--brand-dark:#3b82f6;--line:#2b3850;--ok:#0d2b22;--ok-line:#1c5a44;--shadow:0 1px 3px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25)}[data-theme=dark] .field-input input,[data-theme=dark] .field-input select{background:#131c2b}[data-theme=dark] .result-error{background:#2b1414;border-color:#5a1c1c;color:#fca5a5}[data-theme=dark] .result-row.highlight .result-label{color:#6ee7b7}[data-theme=dark] .result-row.highlight .result-value{color:#a7f3d0}