:root{
  --bg:#f5f7fb;--panel:#ffffff;--panel-2:#f9fbff;--text:#111827;--muted:#667085;--line:#e6ebf2;--brand:#175cff;--brand-2:#00b894;--danger:#e03131;--warning:#f59f00;--success:#099268;--shadow:0 22px 70px rgba(16,24,40,.08);--radius:22px;--radius-sm:14px;--sidebar:320px;--font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
[data-theme="dark"]{--bg:#0b1020;--panel:#11182a;--panel-2:#141d31;--text:#edf2ff;--muted:#a8b3cf;--line:#263149;--brand:#7aa2ff;--brand-2:#4dd8b7;--shadow:0 22px 70px rgba(0,0,0,.25)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.hide{display:none!important}.muted{color:var(--muted)}
.site-header{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(255,255,255,.76);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}[data-theme="dark"] .site-header{background:rgba(17,24,42,.82)}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;font-size:20px}.brand-mark{width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:white;font-weight:950;box-shadow:0 12px 30px rgba(23,92,255,.25)}.nav-links{display:flex;gap:18px;align-items:center}.nav-links a{font-weight:700;color:var(--muted)}.nav-links a:hover{color:var(--text)}
.btn{border:0;border-radius:15px;padding:11px 15px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--brand);color:#fff!important;box-shadow:0 12px 25px rgba(23,92,255,.2)}.btn-light{background:var(--panel-2);border:1px solid var(--line);color:var(--text)!important}.btn-danger{background:#fff1f1;color:var(--danger)}.btn-ghost{background:transparent;color:var(--muted)}.btn-small{padding:8px 10px;border-radius:12px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed}
.app-shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:calc(100vh - 74px)}.sidebar{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.side-top{padding:18px;border-bottom:1px solid var(--line)}.side-actions{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:14px}.search-box{position:relative}.search-box input,.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:15px;background:var(--panel-2);color:var(--text);padding:12px 14px;outline:none}.search-box input:focus,.input:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,92,255,.10)}.note-filters{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:var(--panel-2);color:var(--muted);padding:8px 10px;border-radius:999px;font-weight:750;font-size:13px}.chip.active{background:rgba(23,92,255,.11);border-color:rgba(23,92,255,.2);color:var(--brand)}.notes-list{overflow:auto;padding:10px;display:flex;flex-direction:column;gap:10px;max-height:calc(100vh - 236px)}.note-card{border:1px solid var(--line);border-radius:18px;background:var(--panel-2);padding:14px;display:grid;gap:8px;transition:.18s ease}.note-card:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(16,24,40,.08)}.note-card.active{border-color:rgba(23,92,255,.45);background:linear-gradient(180deg,rgba(23,92,255,.09),var(--panel-2))}.note-card h3{margin:0;font-size:15px;letter-spacing:-.01em}.note-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.note-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11px;background:rgba(0,184,148,.12);color:var(--success);border-radius:999px;padding:4px 7px;font-weight:800}
.editor-wrap{min-width:0;display:flex;flex-direction:column}.hero{padding:34px 34px 0}.hero-card{background:linear-gradient(135deg,rgba(23,92,255,.13),rgba(0,184,148,.12));border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.5fr 1fr;gap:20px;align-items:center}.hero h1{margin:0;font-size:38px;letter-spacing:-.04em;line-height:1.03}.hero p{color:var(--muted);line-height:1.6}.hero-points{display:grid;gap:10px}.hero-points div{background:var(--panel);border:1px solid var(--line);padding:12px 14px;border-radius:16px;font-weight:750}.editor-panel{margin:24px 34px 34px;background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;min-height:660px;display:flex;flex-direction:column}.editor-toolbar{display:flex;align-items:center;gap:8px;padding:14px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--panel)}.tool-btn{border:1px solid var(--line);background:var(--panel-2);color:var(--text);border-radius:12px;min-width:38px;height:38px;font-weight:850}.tool-btn:hover{border-color:var(--brand);color:var(--brand)}.toolbar-sep{width:1px;height:28px;background:var(--line);margin:0 4px}.editor-title{border:0;border-bottom:1px solid var(--line);padding:22px 26px;font-size:28px;font-weight:900;letter-spacing:-.035em;background:transparent;color:var(--text);outline:0}.editor-meta-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--panel-2)}.editor-tags{border:0;background:transparent;color:var(--text);outline:0;width:100%;padding:8px}.status{color:var(--muted);font-size:13px;white-space:nowrap}.editor{flex:1;min-height:420px;padding:26px;outline:0;line-height:1.72;font-size:17px;overflow:auto}.editor:empty:before{content:attr(data-placeholder);color:var(--muted)}.editor h1,.editor h2,.editor h3{line-height:1.15;letter-spacing:-.03em}.stats-bar{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;border-top:1px solid var(--line);background:var(--panel-2);color:var(--muted);font-size:13px}.stats-bar strong{color:var(--text)}.ad-slot{border:1px dashed var(--line);border-radius:18px;min-height:76px;margin:18px 34px 0;display:grid;place-items:center;color:var(--muted);background:var(--panel)}
.page{max-width:980px;margin:32px auto;padding:0 18px}.page-card{background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:30px}.page-card h1{font-size:40px;letter-spacing:-.04em;margin:0 0 16px}.page-card h2{margin-top:26px}.page-card p,.page-card li{line-height:1.75;color:var(--muted)}.form-grid{display:grid;gap:14px}.alert{padding:14px 16px;border-radius:16px;margin:14px 0;font-weight:700}.alert-ok{background:#eafaf3;color:#08703e}.alert-error{background:#fff0f0;color:#9d1212}.auth-wrap{min-height:calc(100vh - 74px);display:grid;place-items:center;padding:32px}.auth-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:30px}.auth-card h1{margin-top:0;letter-spacing:-.04em}.site-footer{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:28px;color:var(--muted);border-top:1px solid var(--line);background:var(--panel)}.site-footer div:last-child{display:flex;gap:16px}
.admin-body{background:#f5f7fb}.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.admin-sidebar{background:#101828;color:#fff;padding:18px;display:flex;flex-direction:column;gap:24px}.admin-brand{color:#fff}.admin-sidebar nav{display:grid;gap:8px}.admin-sidebar nav a{padding:12px 13px;border-radius:14px;color:#cbd5e1;font-weight:750}.admin-sidebar nav a.active,.admin-sidebar nav a:hover{background:rgba(255,255,255,.1);color:#fff}.admin-main{padding:26px;min-width:0}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.admin-top h1{margin:0;font-size:32px;letter-spacing:-.04em}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.kpi{background:#fff;border:1px solid #e6ebf2;border-radius:22px;padding:20px;box-shadow:0 14px 45px rgba(16,24,40,.06)}.kpi span{color:#667085;font-weight:750}.kpi strong{display:block;font-size:32px;letter-spacing:-.05em;margin-top:8px}.table-card{background:#fff;border:1px solid #e6ebf2;border-radius:22px;box-shadow:0 14px 45px rgba(16,24,40,.06);overflow:hidden}.table-head{padding:18px 20px;border-bottom:1px solid #e6ebf2;display:flex;justify-content:space-between;gap:12px;align-items:center}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{text-align:left;padding:14px 16px;border-bottom:1px solid #edf1f7;vertical-align:top}.admin-table th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#667085}.admin-table tr:last-child td{border-bottom:0}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef4ff;color:#175cff;font-weight:800;font-size:12px}.pill-danger{background:#fff0f0;color:#e03131}.pill-ok{background:#eafaf3;color:#08703e}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.codearea{min-height:100px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.admin-actions{display:flex;gap:8px;flex-wrap:wrap}.pagination{display:flex;gap:8px;margin-top:16px}.pagination a{padding:9px 12px;border-radius:12px;background:#fff;border:1px solid #e6ebf2}.pagination a.active{background:#175cff;color:#fff}
.fullscreen .site-header,.fullscreen .sidebar,.fullscreen .hero,.fullscreen .ad-slot,.fullscreen .site-footer{display:none}.fullscreen .app-shell{display:block;min-height:100vh}.fullscreen .editor-panel{margin:0;min-height:100vh;border-radius:0;border:0}
@media(max-width:960px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;border-right:0;border-bottom:1px solid var(--line)}.notes-list{max-height:260px}.hero-card{grid-template-columns:1fr}.hero,.editor-panel,.ad-slot{margin-left:16px;margin-right:16px}.kpi-grid{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:relative}.settings-grid{grid-template-columns:1fr}}
@media(max-width:640px){.site-header{height:auto;min-height:70px;padding:14px 16px;align-items:flex-start;gap:12px}.nav-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}.nav-links a{font-size:13px}.hero{padding:18px 16px 0}.hero h1{font-size:30px}.editor-panel{margin-top:16px;border-radius:22px;min-height:560px}.editor-title{font-size:22px;padding:18px}.editor-meta-row{grid-template-columns:1fr}.editor{padding:18px;font-size:16px}.stats-bar{flex-wrap:wrap}.site-footer{flex-direction:column;align-items:flex-start}.kpi-grid{grid-template-columns:1fr}.admin-main{padding:16px}.admin-table{font-size:13px}.admin-table th,.admin-table td{padding:10px}.page-card{padding:22px}.page-card h1{font-size:30px}}
@media print{.site-header,.sidebar,.hero,.ad-slot,.editor-toolbar,.editor-meta-row,.stats-bar,.site-footer{display:none!important}.app-shell{display:block}.editor-panel{box-shadow:none;border:0;margin:0}.editor-title{border:0}.editor{font-size:12pt;color:#000}.editor:empty:before{content:""}}


/* v1.1 content, tools and AdSense readiness */
.content-wrap{max-width:1180px;margin:0 auto;padding:34px 24px}.page-hero{background:linear-gradient(135deg,rgba(23,92,255,.12),rgba(0,184,148,.12));border:1px solid var(--line);border-radius:30px;padding:34px;margin-bottom:22px}.page-hero h1{font-size:46px;line-height:1.05;letter-spacing:-.05em;margin:4px 0 14px;max-width:850px}.page-hero p{color:var(--muted);font-size:17px;line-height:1.7;max-width:850px}.eyebrow{font-weight:900;text-transform:uppercase;letter-spacing:.14em;color:var(--brand)!important;font-size:12px!important;margin:0}.tool-links{margin-top:16px;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--panel-2);display:grid;gap:8px}.tool-links-title{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--muted)}.tool-links a{display:block;padding:9px 10px;border-radius:12px;font-weight:800;color:var(--text)}.tool-links a:hover{background:var(--panel);color:var(--brand)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}.tool-card,.article-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow);transition:.18s transform,.18s border-color}.tool-card:hover,.article-card:hover{transform:translateY(-2px);border-color:rgba(23,92,255,.35)}.tool-card span{font-size:32px}.tool-card h2,.article-card h2{margin:12px 0 10px;letter-spacing:-.03em}.tool-card p,.article-card p{color:var(--muted);line-height:1.65}.tool-layout{display:grid;grid-template-columns:2fr 1fr;gap:18px;align-items:start}.tool-layout.two-cols{grid-template-columns:1fr 1fr}.tool-input,.tool-output{width:100%;min-height:360px;resize:vertical}.tool-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}.inline-select{width:auto;min-width:130px}.breadcrumb{color:var(--muted);font-weight:800;margin-bottom:14px}.breadcrumb a{color:var(--brand)}.result-box{min-height:160px}.stats-grid{display:grid;grid-template-columns:auto 1fr;gap:10px 14px;align-items:baseline}.stats-grid b{font-size:26px;color:var(--brand)}.stats-grid span{color:var(--muted);font-weight:700}.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.article-meta{font-size:13px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.06em}.read-more{color:var(--brand);font-weight:900}.prose{max-width:900px}.article-page .prose{margin:0 auto}.prose .lead{font-size:19px;color:var(--text);line-height:1.75}.prose h1{line-height:1.05}.prose h2{letter-spacing:-.03em}.prose p,.prose li{font-size:17px}.prose pre{background:var(--panel-2);border:1px solid var(--line);padding:18px;border-radius:18px;overflow:auto;color:var(--text)}.related-card{margin:18px auto 0;max-width:900px}.footer-ad{max-width:1180px;margin:22px auto}.nav-links .btn{white-space:nowrap}
@media(max-width:980px){.tool-grid{grid-template-columns:1fr 1fr}.tool-layout,.tool-layout.two-cols{grid-template-columns:1fr}.page-hero h1{font-size:38px}.blog-grid{grid-template-columns:1fr}.content-wrap{padding:24px 16px}}
@media(max-width:640px){.tool-grid{grid-template-columns:1fr}.page-hero{padding:24px}.page-hero h1{font-size:32px}.tool-input,.tool-output{min-height:280px}.content-wrap{padding:18px 12px}.site-footer div:last-child{display:flex;flex-wrap:wrap;gap:10px}.site-footer a{margin-right:0!important}}



/* v1.2 AdSense, SEO and trust polish */
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;color:#111;padding:10px 14px;border-radius:12px;z-index:999;border:1px solid var(--line)}
.nav-links a.active{color:var(--brand)}.nav-dropdown{position:relative}.nav-menu{display:none;position:absolute;right:0;top:100%;min-width:220px;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:10px;z-index:60}.nav-dropdown:hover .nav-menu,.nav-dropdown:focus-within .nav-menu{display:grid;gap:4px}.nav-menu a{padding:10px 12px;border-radius:12px;color:var(--text);white-space:nowrap}.nav-menu a:hover{background:var(--panel-2);color:var(--brand)}
.home-content{max-width:1180px;margin:26px auto 34px;padding:0 34px}.section-card{background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:28px;margin-bottom:18px}.section-card h2{font-size:30px;letter-spacing:-.04em;margin:0 0 12px}.section-card h3{letter-spacing:-.02em}.section-card p,.section-card li{color:var(--muted);line-height:1.75}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-box{background:var(--panel-2);border:1px solid var(--line);border-radius:20px;padding:20px}.feature-box strong{display:block;margin-bottom:8px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--panel-2);border:1px solid var(--line);border-radius:18px;padding:16px}.faq-list summary{font-weight:900;cursor:pointer}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.trust-strip div{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;font-weight:900}.mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}.mini-list a,.mini-list div{background:var(--panel-2);border:1px solid var(--line);border-radius:16px;padding:14px;font-weight:800;color:var(--text)}.mini-list a:hover{border-color:var(--brand);color:var(--brand)}
.info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}.contact-card{background:var(--panel-2);border:1px solid var(--line);border-radius:22px;padding:22px}.contact-card strong{display:block;margin-bottom:6px}.contact-methods{display:grid;gap:12px;margin:18px 0}.contact-methods div{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--panel-2)}.policy-toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.policy-toc a{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-weight:800;color:var(--muted)}.policy-toc a:hover{color:var(--brand);border-color:var(--brand)}.legal-meta{background:var(--panel-2);border:1px solid var(--line);border-radius:18px;padding:14px 16px;margin:16px 0;color:var(--muted);font-weight:750}.check-list li{margin:8px 0}.callout{background:linear-gradient(135deg,rgba(23,92,255,.1),rgba(0,184,148,.1));border:1px solid var(--line);border-radius:22px;padding:22px;margin:20px 0}.content-table{width:100%;border-collapse:collapse;margin:18px 0}.content-table th,.content-table td{text-align:left;border-bottom:1px solid var(--line);padding:12px;vertical-align:top}.content-table th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.site-footer{display:grid;grid-template-columns:1fr;gap:22px}.footer-brand{max-width:620px}.footer-brand p{color:var(--muted);line-height:1.65}.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.footer-cols div{display:grid;gap:10px}.footer-cols strong{color:var(--text)}.footer-cols a{color:var(--muted);font-weight:750}.footer-cols a:hover{color:var(--brand)}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;color:var(--muted)}
.schema-note{font-size:13px;color:var(--muted)}.author-box{display:flex;gap:14px;align-items:flex-start;background:var(--panel-2);border:1px solid var(--line);border-radius:20px;padding:18px;margin:24px 0}.author-avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:950;flex:0 0 auto}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-links a{padding:14px;border:1px solid var(--line);background:var(--panel-2);border-radius:16px;font-weight:850}.related-links a:hover{color:var(--brand);border-color:var(--brand)}
@media(max-width:980px){.feature-grid,.trust-strip,.footer-cols{grid-template-columns:1fr 1fr}.info-grid{grid-template-columns:1fr}.related-links{grid-template-columns:1fr}.home-content{padding:0 16px}.mini-list{grid-template-columns:1fr}}
@media(max-width:640px){.feature-grid,.trust-strip,.footer-cols{grid-template-columns:1fr}.nav-dropdown{display:contents}.nav-menu{display:none!important}.home-content{padding:0 12px}.section-card{padding:22px}.section-card h2{font-size:25px}.info-grid{gap:14px}.content-table{font-size:14px}.content-table th,.content-table td{padding:10px 6px}.trust-strip div{text-align:left}}


/* v1.3 Admin editable pages */
.admin-section-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.admin-section-head h2{margin:0 0 6px;letter-spacing:-.03em}.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.page-editor .textarea{background:#f8fafc}.page-html-editor{min-height:520px;line-height:1.55}.checkbox-row{display:flex!important;align-items:center;gap:10px;font-weight:800}.checkbox-row input{width:auto}.cms-content table{width:100%;border-collapse:collapse;margin:18px 0}.cms-content th,.cms-content td{border-bottom:1px solid var(--line);text-align:left;padding:12px;vertical-align:top}.cms-content th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
@media(max-width:760px){.admin-section-head{display:grid}.page-html-editor{min-height:360px}}