:root{color-scheme:light;--body-bg:#fff;--page-text:#111;--muted-text:#4b5563;--surface:#fff;--surface-border:#d1d5db;--surface-border-soft:rgba(148,163,184,.2);--muted-bg:#f8f8f8;--tab-bg:#e5e7eb;--tab-text:#111;--tab-active-bg:#111;--tab-active-text:#fff;--button-bg:#111;--button-text:#fff;--secondary-border:#9ca3af;--status-text:#4b5563;--status-error:#b91c1c;--footer-text:#64748b;--ad-bg:#f8f8f8;--ad-border:#d1d5db;--ad-label:#111;--card-shadow:0 12px 40px rgba(0,0,0,.06)}:root[data-theme=dark]{color-scheme:dark;--body-bg:#0f172a;--page-text:#f8fafc;--muted-text:#cbd5e1;--surface:#111827;--surface-border:#334155;--surface-border-soft:rgba(148,163,184,.08);--muted-bg:#1f2937;--tab-bg:#374151;--tab-text:#f8fafc;--tab-active-bg:#f8fafc;--tab-active-text:#111827;--button-bg:#f8fafc;--button-text:#111827;--secondary-border:#6b7280;--status-text:#cbd5e1;--status-error:#fca5a5;--footer-text:#9ca3af;--ad-bg:#1f2937;--ad-border:#334155;--ad-label:#f8fafc;--card-shadow:0 12px 40px rgba(0,0,0,.16)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{background:var(--body-bg);color:var(--page-text)}button,input,select,textarea{font:inherit}button{cursor:pointer}.side-ads{position:relative}.side-ad{display:none}.side-ad .adsbygoogle{border-radius:1rem;overflow:hidden}@media (min-width:1200px){.side-ad{display:block;position:fixed;top:20%;width:180px;max-width:180px;z-index:10}.side-ad-left{left:1rem}.side-ad-right{right:1rem}}.container{width:min(1120px,calc(100% - 2rem));margin:0 auto;padding:2rem 0 4rem}.layout-ad{width:100%;max-width:1120px;margin:0 auto;padding:.75rem 0;text-align:center}.layout-ad .adsbygoogle{margin:0 auto;display:inline-block!important}.layout-ad-top{margin-top:1rem}.layout-ad-bottom{margin-bottom:1rem}.header{text-align:center}.header h1{margin:0;font-size:clamp(2rem,4vw,3rem);letter-spacing:-.05em}.header p{margin:.8rem auto 0;max-width:720px;color:var(--muted-text)}.card-grid{display:grid;grid-gap:1rem;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-bottom:2rem}.adsense-card{display:flex;justify-content:center;margin-bottom:1.5rem}.ad-box{width:min(100%,740px);background:var(--ad-bg);border:1px solid var(--ad-border);padding:1rem;border-radius:1rem;text-align:center}.ad-label{margin:0 0 .75rem;color:var(--ad-label);font-weight:600}.card{background:var(--surface);border:1px solid var(--surface-border);border-radius:1rem;padding:1rem;box-shadow:var(--card-shadow)}.card h2{margin:0 0 .75rem;font-size:1.2rem}.tab-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.tab{padding:.75rem 1rem;background:var(--tab-bg);color:var(--tab-text);border-radius:999px;border:none}.tab.active{background:var(--tab-active-bg);color:var(--tab-active-text)}.form-card{background:var(--surface);border:1px solid var(--surface-border);border-radius:1rem;padding:1.5rem}.form-row{display:grid;grid-gap:1rem;gap:1rem;margin-bottom:1rem}.form-row label{display:grid;grid-gap:.5rem;gap:.5rem;font-size:.95rem;color:var(--page-text)}.form-row input,.form-row select,.form-row textarea{padding:.85rem 1rem;border-radius:.75rem;border:1px solid var(--surface-border);background:var(--muted-bg);color:var(--page-text)}.form-row input[type=file]{padding:.5rem .75rem;background:var(--surface)}.actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.primary,button.primary{background:var(--button-bg);color:var(--button-text);border:none;border-radius:.85rem;font-weight:600}.primary,.secondary,button.primary,button.secondary{padding:.95rem 1.2rem;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.secondary,button.secondary{background:transparent;border:1px solid var(--secondary-border);color:var(--page-text);border-radius:.85rem}.output-box{margin-top:1.25rem;padding:1rem;border-radius:1rem;background:var(--muted-bg);border:1px solid var(--surface-border)}.output-box p{margin:0;color:var(--page-text)}.result-preview{margin-top:1rem;display:grid;grid-gap:1rem;gap:1rem}.result-preview iframe,.result-preview img,.result-preview object{width:100%;max-height:560px;height:auto;border-radius:1rem;border:1px solid var(--surface-border)}.status{font-size:.95rem;color:var(--status-text)}.status.error{color:var(--status-error)}.header{margin-bottom:2rem}.header-top{justify-content:space-between;flex-wrap:wrap}.header-brand,.header-top{display:flex;align-items:flex-start;gap:1rem}.app-logo{width:64px;height:64px;border-radius:1rem;background:var(--muted-bg);padding:.6rem;border:1px solid var(--surface-border);object-fit:contain}.header-button-group{justify-content:flex-end}.header-button-group,.header-controls{display:flex;gap:.75rem;flex-wrap:wrap}.header-controls{justify-content:center;margin-top:1rem}.footer{margin-top:3rem;text-align:center;color:var(--footer-text);font-size:.95rem}@media (max-width:640px){.form-row{grid-template-columns:1fr}}