:root{--bg:#f8fafc;--surface:#ffffff;--muted-surface:#eef2ff;--text:#0f172a;--muted-text:#334155;--border:#cbd5e1;--accent:#22c55e;--radius:12px;--content-width:1080px;--content-width-narrow:760px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:linear-gradient(180deg,#f8fafc,#e2e8f0);color:var(--text);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}a{color:inherit}.container{width:100%;max-width:var(--content-width);margin:0 auto;padding:0 20px}.container--narrow{max-width:var(--content-width-narrow)}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(248,250,252,.92)}.site-footer__row,.site-header__row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;min-height:64px}.brand-lockup{gap:8px;text-decoration:none;font-weight:700}.brand-lockup,.brand-lockup__symbol{display:inline-flex;align-items:center}.brand-lockup__symbol{justify-content:center;width:30px;height:30px;border-radius:999px;color:#ffffff;background:var(--text);font-size:12px}.main-nav-shell{display:flex;align-items:center}.main-nav{justify-content:flex-end;gap:18px}.main-nav,.main-nav__group{display:flex;flex-wrap:wrap;align-items:center}.main-nav__group{gap:12px}.main-nav__group--account{justify-content:flex-end}.main-nav__link{text-decoration:none;color:var(--muted-text);font-size:14px}.main-nav__link:hover{color:var(--text)}.main-nav__button{border:0;border-radius:999px;padding:8px 12px;background:#e2e8f0;color:var(--text);font:inherit;font-weight:600;cursor:pointer}.main-nav__button:hover{background:#cbd5e1}.mobile-nav{display:none;position:relative}.mobile-nav__toggle{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:#ffffff;color:var(--text);list-style:none;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.mobile-nav__toggle::-webkit-details-marker{display:none}.mobile-nav__toggle-icon{display:inline-flex;flex-direction:column;gap:4px}.mobile-nav__toggle-icon span{display:block;width:16px;height:2px;border-radius:999px;background:var(--text)}.mobile-nav__toggle-label{font-size:14px;font-weight:600}.mobile-nav[open] .mobile-nav__toggle{background:#e2e8f0}.mobile-nav__panel{position:absolute;right:0;top:calc(100% + 12px);width:min(320px,calc(100vw - 40px));display:grid;grid-gap:16px;gap:16px;padding:18px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.98);box-shadow:0 18px 45px rgba(15,23,42,.14)}.mobile-nav__section{display:grid;grid-gap:10px;gap:10px}.mobile-nav__eyebrow{margin:0;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#64748b}.mobile-nav__button,.mobile-nav__link{display:block;width:100%;padding:10px 12px;border-radius:12px;text-decoration:none;background:#f8fafc;color:var(--text);font-size:14px;font-weight:600;text-align:left}.mobile-nav__button{border:0;cursor:pointer}.mobile-nav__button:hover,.mobile-nav__link:hover{background:#e2e8f0}.site-footer{border-top:1px solid var(--border);margin-top:40px;background:#f1f5f9}.site-footer__links{flex-wrap:wrap}.policy-banner,.site-footer__links{display:flex;gap:12px;font-size:14px}.policy-banner{justify-content:space-between;padding:10px 20px;border-bottom:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a}.hero{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:28px;margin:28px 0 20px}.hero--category{background:var(--category-surface,var(--surface));color:var(--category-text,var(--text));border-color:var(--category-primary,var(--border))}.eyebrow{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-text)}.hero h1{margin:0;font-size:32px}.hero p{color:var(--muted-text)}.meta-chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.meta-chip{font-size:13px;border-radius:999px;padding:6px 10px;border:1px solid rgba(15,23,42,.15);background:rgba(255,255,255,.7)}.page-section{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:20px;margin:0 0 18px}.page-section__header h2{margin:0}.page-section__header p{margin-top:6px;color:var(--muted-text)}.grid{display:grid;grid-gap:14px;gap:14px}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc;padding:14px}.card h3{margin:0 0 8px}.card p{margin:0 0 10px;color:var(--muted-text)}.guide-key-points{display:grid;grid-gap:12px;gap:12px;margin:0;padding-left:20px}.guide-key-points li{color:var(--muted-text)}.affiliate-surface,.cta-block,.placeholder-box,.pricing-summary,.trust-panel,.upgrade-cta{border:1px solid var(--border);border-radius:var(--radius);background:var(--muted-surface);padding:14px;margin:10px 0}.premium-gate{border:1px solid var(--border);border-radius:var(--radius);background:#fff7ed;padding:14px;margin:10px 0}.ad-slot{border:1px dashed #64748b;border-radius:var(--radius);background:#f8fafc;padding:12px;margin:10px 0}.ad-slot__label,.affiliate-surface__label{margin:0 0 8px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#334155;font-weight:700}.ad-slot__body{font-weight:600}.ad-slot__disclosure{margin:8px 0 0;font-size:12px;color:#475569}.upgrade-cta--usage-exhausted{background:#fef2f2}.button{display:inline-block;border-radius:10px;padding:8px 12px;text-decoration:none;font-weight:600}.button--primary{color:#ffffff;background:var(--text)}.button--secondary{color:#ffffff;background:#475569}.auth-form{display:grid;grid-gap:10px;gap:10px;max-width:420px}.auth-form__label{font-weight:600}.auth-form__input{width:100%;border:1px solid var(--border);border-radius:10px;padding:9px 10px;font:inherit}.auth-form__error{color:#b91c1c;margin:0}.billing-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.pricing-summary table{width:100%;border-collapse:collapse}.pricing-summary td,.pricing-summary th{text-align:left;border-bottom:1px solid var(--border);padding:8px}.trust-line{margin:8px 0}.legal-body{border:1px solid var(--border);border-radius:var(--radius);background:#ffffff;padding:20px;margin-bottom:24px}@media (max-width:900px){.grid--2,.grid--3{grid-template-columns:1fr}.policy-banner,.site-footer__row{padding-top:12px;padding-bottom:12px}.policy-banner,.site-footer__row,.tool-file-list__item{flex-direction:column;align-items:flex-start}.site-header__row{align-items:center;flex-wrap:nowrap}.main-nav-shell{margin-left:auto}.main-nav--desktop{display:none}.mobile-nav{display:block}}.policy-banner strong{display:block;margin-bottom:4px}.policy-banner>div{display:flex;flex-direction:column;gap:4px}.policy-banner__actions{display:flex;align-items:center;gap:8px}.form-stack{gap:12px}.form-stack,.form-stack label{display:flex;flex-direction:column}.form-stack label,.form-stack__field{gap:6px;font-weight:600}.form-stack__field{display:flex;flex-direction:column}.form-stack input,.form-stack select,.form-stack textarea{border:1px solid var(--border);border-radius:10px;padding:10px;font:inherit;background:#ffffff}.legal-body h2{margin-top:20px;margin-bottom:8px}.form-stack small{color:var(--muted-text);font-size:12px}.tool-file-picker{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tool-file-picker__native{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.tool-file-picker__native:focus-visible+.tool-file-picker__button{outline:2px solid #0f172a;outline-offset:2px}.tool-file-picker__button{cursor:pointer}.tool-file-picker__status{color:var(--muted-text);font-size:14px;font-weight:500;word-break:break-word}.tool-file-list{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.tool-file-list__item{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#ffffff}.tool-file-list__label{flex:1 1;min-width:0;word-break:break-word}.tool-file-list__actions{display:flex;gap:8px;flex-wrap:wrap}.tool-template{border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:#f8fafc}.tool-template__header h3{margin:0 0 8px}.tool-template__header p{margin:0 0 10px}.tool-template--file-transform{background:#f0f9ff}.tool-template--text-generation{background:#fffbeb}.tool-template--analyzer{background:#f0fdf4}.tool-template--builder{background:#fff7ed}.tool-template--utility{background:#f8fafc}.tool-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:1fr 1fr}.tool-panel{background:#ffffff;border:1px solid var(--border);border-radius:10px;padding:12px}.tool-panel h4{margin-top:0}.tool-result-card{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:12px}.tool-result-card pre{white-space:pre-wrap;word-break:break-word;margin:0}.structured-seo-result{display:grid;grid-gap:12px;gap:12px}.structured-seo-result h4{margin:0}.structured-seo-result__section{display:grid;grid-gap:6px;gap:6px}.structured-seo-result__label{margin:0;font-size:.82rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:#475569}.structured-seo-result__primary{margin:0;font-size:1rem;font-weight:600;color:#0f172a;word-break:break-word}.structured-seo-result__list{margin:0;padding-left:18px}.structured-seo-result__sections{display:grid;grid-gap:10px;gap:10px}.structured-seo-result__block{background:#ffffff;border:1px solid var(--border);border-radius:8px;padding:10px}.table-wrap{width:100%;overflow-x:auto}.ops-table{width:100%;border-collapse:collapse}.ops-table td,.ops-table th{text-align:left;padding:8px;border-bottom:1px solid var(--border);vertical-align:top}.inline-actions{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.api-key-manager input{border:1px solid var(--border);border-radius:8px;padding:8px 10px;min-width:220px}.faq-list{display:grid;grid-gap:12px;gap:12px}.faq-item{background:#ffffff;border:1px solid var(--border);border-radius:10px;padding:12px}.faq-item h3{margin:0 0 6px}@media (max-width:900px){.policy-banner{flex-direction:column;align-items:flex-start}.policy-banner__actions{width:100%;justify-content:flex-start}.tool-grid{grid-template-columns:1fr}}.finance-calculator{display:flex;flex-direction:column;gap:24px}.finance-calculator__fieldset{border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}.finance-calculator__fieldset legend{font-weight:600;font-size:14px;padding:0 6px;color:var(--muted-text)}.finance-calculator__order-row{display:grid;grid-template-columns:1fr 1fr auto;grid-gap:12px;gap:12px;align-items:end}.finance-calculator__order-label{font-size:13px;font-weight:600}.finance-calculator__remove-btn{border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:#ffffff;color:var(--muted-text);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.finance-calculator__remove-btn:hover{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.finance-calculator__actions{display:flex;gap:10px;flex-wrap:wrap}.finance-calculator__error{color:#dc2626;background:#fee2e2;border:1px solid #fca5a5;border-radius:8px;padding:10px 14px;margin:0;font-size:14px}.finance-result{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:16px}.finance-result__heading{margin:0;font-size:16px;font-weight:700;color:var(--muted-text);text-transform:uppercase;letter-spacing:.05em;font-size:12px}.finance-result__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px;margin:0}.finance-result__item{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:4px}.finance-result__item dt{font-size:12px;font-weight:600;color:var(--muted-text);text-transform:uppercase;letter-spacing:.04em}.finance-result__item dd{font-size:22px;font-weight:700;margin:0;color:var(--text)}.finance-result__item--highlight{border-color:#0d9488;background:#f0fdfa}.finance-result__item--highlight dd{color:#0d9488}.finance-result__value--positive{color:#16a34a}.finance-result__value--negative{color:#dc2626}.finance-result__breakdown{display:flex;flex-direction:column;gap:12px}.finance-result__breakdown h4{margin:0;font-size:14px;font-weight:600;color:var(--muted-text)}.finance-result__table{width:100%;border-collapse:collapse;font-size:14px}.finance-result__table td,.finance-result__table th{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border)}.finance-result__table th{font-weight:600;color:var(--muted-text);font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#f8fafc}.finance-result__table tr:last-child td{border-bottom:none}.finance-disclaimer{font-size:13px;color:var(--muted-text);background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:10px 14px;margin:0;line-height:1.5}@media (max-width:640px){.finance-calculator__order-row,.finance-result__grid{grid-template-columns:1fr}.finance-result__item dd{font-size:18px}}.guest-quota-badge{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--surface-alt,#f3f4f6);border:1px solid var(--border,#e5e7eb);border-radius:6px;font-size:13px;color:var(--text-secondary,#6b7280)}.guest-quota-badge--warn{background:#fff7ed;border-color:#fed7aa;color:#9a3412}.guest-quota-badge__text{flex:1 1}.guest-quota-badge__cta{font-size:12px;font-weight:600;color:#0d9488;text-decoration:none;white-space:nowrap}.guest-quota-badge__cta:hover{text-decoration:underline}.guest-gate-cta{display:flex;gap:16px;align-items:flex-start;padding:20px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;margin-bottom:16px}.guest-gate-cta__icon{font-size:28px;line-height:1;flex-shrink:0}.guest-gate-cta__content{flex:1 1;min-width:0}.guest-gate-cta__title{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--text,#111827)}.guest-gate-cta__body{margin:0 0 14px;font-size:14px;color:var(--text-secondary,#6b7280);line-height:1.5}.guest-gate-cta__actions{display:flex;gap:10px;flex-wrap:wrap}@media (max-width:480px){.guest-gate-cta,.guest-gate-cta__actions{flex-direction:column}.guest-gate-cta__actions .button{width:100%;text-align:center}}