:root{--bg:#f8fafc;--surface:#ffffff;--surface-2:#f1f5f9;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--primary-hover:#1d4ed8;--accent:#0ea5e9;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--radius:12px;--shadow:0 10px 25px -5px rgba(0,0,0,0.05),0 8px 10px -6px rgba(0,0,0,0.02);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-display:'Outfit',sans-serif}
[data-theme="dark"]{--bg:#0b0f19;--surface:#111827;--surface-2:#1f2937;--text:#f8fafc;--text-muted:#94a3b8;--border:#334155;--primary:#3b82f6;--primary-hover:#60a5fa;--accent:#38bdf8;--success:#10b981;--danger:#f87171;--warning:#fbbf24;--shadow:0 10px 25px -5px rgba(0,0,0,0.5)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.6;min-height:100vh;overflow-x:hidden;width:100%;transition:background-color .2s ease,color .2s ease}
a{color:var(--primary);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--primary-hover)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.header{position:sticky;top:0;z-index:1000;background:var(--surface);border-bottom:1px solid var(--border);backdrop-filter:blur(10px);transition:background-color .2s ease}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.35rem;font-weight:700;color:var(--text)}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none}
.nav-item{position:relative}
.nav-btn{display:flex;align-items:center;gap:6px;background:none;border:none;color:var(--text);font-weight:500;font-size:.95rem;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background .15s ease}
.nav-btn:hover{background:var(--surface-2);color:var(--primary)}
.nav-dropdown{position:absolute;top:100%;left:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;min-width:320px;display:none;z-index:1010}
.nav-dropdown.multi-col{min-width:540px;display:none;grid-template-columns:repeat(2,1fr);gap:8px}
.nav-dropdown.show{display:grid}
.dropdown-link{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:6px;color:var(--text);font-size:.875rem;font-weight:500;transition:background .15s ease,color .15s ease}
.dropdown-link:hover{background:var(--surface-2);color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text);transition:transform .15s ease}
.theme-toggle:hover{transform:scale(1.05)}
.mobile-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:8px}
.breadcrumb-wrapper{background:var(--surface-2);border-bottom:1px solid var(--border);padding:12px 0}
.breadcrumb-list{display:flex;align-items:center;gap:8px;list-style:none;font-size:.875rem;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-item{display:flex;align-items:center;gap:8px}
.breadcrumb-item a{color:var(--text-muted)}
.breadcrumb-item a:hover{color:var(--primary)}
.breadcrumb-separator{opacity:.5}
.breadcrumb-current{color:var(--text);font-weight:600}
.hero-section{padding:54px 0 36px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,0.1);color:var(--primary);border:1px solid rgba(37,99,235,0.25);border-radius:50px;padding:6px 16px;font-size:.85rem;font-weight:600;margin-bottom:18px}
.hero-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-0.02em;line-height:1.2;margin-bottom:16px}
.hero-title span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:1.1rem;color:var(--text-muted);max-width:760px;margin:0 auto 32px}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:28px;max-width:980px;margin:0 auto 48px;position:relative}
.tool-tabs{display:flex;gap:8px;background:var(--surface-2);padding:6px;border-radius:10px;margin-bottom:24px}
.tool-tab{flex:1;background:none;border:none;padding:12px 18px;border-radius:8px;font-weight:600;font-size:.95rem;color:var(--text-muted);cursor:pointer;transition:all .15s ease}
.tool-tab.active{background:var(--surface);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,0.06)}
.input-wrapper{position:relative;margin-bottom:18px}
.input-group{display:flex;gap:10px;flex-wrap:wrap}
.input-field-container{flex:1;min-width:280px;position:relative}
.input-field{width:100%;padding:14px 18px;padding-right:110px;background:var(--surface-2);border:2px solid var(--border);border-radius:10px;font-size:1rem;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;outline:none}
.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,0.15)}
.validation-badge{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:.75rem;font-weight:600;padding:4px 8px;border-radius:6px;display:none}
.validation-badge.valid{display:inline-block;background:rgba(16,185,129,0.15);color:var(--success);border:1px solid rgba(16,185,129,0.3)}
.validation-badge.invalid{display:inline-block;background:rgba(239,68,68,0.15);color:var(--danger);border:1px solid rgba(239,68,68,0.3)}
.input-hint{font-size:.8rem;color:var(--text-muted);margin-top:6px;text-align:left;display:flex;justify-content:space-between;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:10px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:background .15s ease,transform .1s ease}
.btn:active{transform:scale(0.98)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--border)}
.btn-sm{padding:8px 14px;font-size:.85rem;border-radius:8px}
.action-buttons{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:16px}
.dropdown-container{position:relative;display:inline-block}
.dropdown-menu{position:absolute;top:100%;right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);padding:6px 0;min-width:160px;display:none;z-index:100}
.dropdown-menu.show{display:block}
.dropdown-item{display:flex;align-items:center;gap:8px;padding:8px 16px;width:100%;border:none;background:none;text-align:left;font-size:.85rem;color:var(--text);cursor:pointer;transition:background .15s ease}
.dropdown-item:hover{background:var(--surface-2);color:var(--primary)}
.results-container{margin-top:28px;text-align:left;display:none}
.results-container.active{display:block}
.result-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border);margin-bottom:20px}
.result-title{font-size:1.25rem;font-family:var(--font-display);font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:16px}
.stat-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:6px}
.stat-value{font-size:1.15rem;font-weight:700;word-break:break-all}
.map-box{height:320px;border-radius:10px;overflow:hidden;border:1px solid var(--border);margin-bottom:24px;z-index:1}
.data-table-wrapper{overflow-x:auto;border:1px solid var(--border);border-radius:10px;background:var(--surface)}
.data-table{width:100%;border-collapse:collapse;font-size:.875rem}
.data-table th{background:var(--surface-2);padding:12px 16px;text-align:left;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap}
.data-table td{padding:12px 16px;border-bottom:1px solid var(--border)}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:rgba(37,99,235,0.02)}
.link-created-box{background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.25);border-radius:10px;padding:18px;margin-bottom:20px}
.link-created-url{font-size:1.05rem;font-weight:700;word-break:break-all;color:var(--primary);margin:8px 0}
.persistent-box{background:rgba(14,165,233,0.08);border:1px solid rgba(14,165,233,0.25);border-radius:10px;padding:18px;margin-top:16px}
.tracker-badge{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:5px 10px;font-size:.8rem;color:var(--text);cursor:pointer;transition:all .15s ease}
.tracker-badge:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.tracker-badge-del{opacity:.6;font-size:.85rem;line-height:1;margin-left:4px;padding:0 2px}
.tracker-badge-del:hover{opacity:1;color:var(--danger)}
.tools-grid-section{padding:36px 0;background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-header{text-align:center;max-width:700px;margin:0 auto 36px}
.section-badge{font-size:.8rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px}
.section-title{font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.4rem);font-weight:700;letter-spacing:-0.01em;margin-bottom:12px}
.section-subtitle{font-size:1rem;color:var(--text-muted)}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.tool-tile{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px;display:flex;align-items:center;gap:12px;transition:all .15s ease;color:var(--text)}
.tool-tile:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,0.08)}
.tool-tile-icon{width:34px;height:34px;border-radius:8px;background:rgba(37,99,235,0.1);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}
.tool-tile-name{font-weight:600;font-size:.9rem}
.features-section{padding:60px 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .15s ease,box-shadow .15s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:rgba(37,99,235,0.1);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-card h3{font-family:var(--font-display);font-size:1.2rem;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-muted);font-size:.92rem;line-height:1.6}
.steps-section{padding:50px 0;background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative}
.step-number{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;margin-bottom:14px}
.step-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:700;margin-bottom:8px}
.step-card p{color:var(--text-muted);font-size:.875rem}
.seo-article-section{padding:60px 0}
.seo-article-content{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:36px;max-width:960px;margin:0 auto}
.seo-article-content h2{font-family:var(--font-display);font-size:1.8rem;font-weight:800;margin-bottom:20px}
.seo-article-content p{color:var(--text);font-size:1rem;line-height:1.8;margin-bottom:18px}
.seo-article-content p:last-child{margin-bottom:0}
.faq-section{padding:60px 0;background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.faq-question{width:100%;background:none;border:none;padding:18px 22px;text-align:left;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:var(--text)}
.faq-icon{transition:transform .2s ease}
.faq-item.active .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;color:var(--text-muted);font-size:.95rem;line-height:1.7;display:none}
.faq-item.active .faq-answer{display:block}
.cta-section{padding:60px 0;text-align:center}
.cta-card{background:linear-gradient(135deg,rgba(37,99,235,0.1),rgba(14,165,233,0.1));border:1px solid rgba(37,99,235,0.25);border-radius:20px;padding:48px 24px;max-width:960px;margin:0 auto}
.cta-card h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;margin-bottom:14px}
.cta-card p{color:var(--text-muted);font-size:1.05rem;max-width:620px;margin:0 auto 28px}
.cta-buttons{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.footer{background:var(--surface);border-top:1px solid var(--border);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:48px}
.footer-column h4{font-family:var(--font-display);font-size:.95rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:16px;color:var(--text)}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-muted);font-size:.875rem}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:28px;text-align:center;font-size:.85rem;color:var(--text-muted)}
.footer-bottom p{margin-bottom:10px}
.footer-legal-links{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.footer-legal-links a{color:var(--text-muted);font-size:.85rem}
.footer-legal-links a:hover{color:var(--primary)}
.trademark-disclaimer{font-size:.78rem;color:var(--text-muted);max-width:800px;margin:0 auto 12px;line-height:1.5}
.cookie-banner{position:fixed;bottom:20px;left:20px;right:20px;max-width:480px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:var(--radius);padding:18px;display:none;z-index:9999;transition:transform .2s ease}
.cookie-banner.show{display:block}
.cookie-content{font-size:.85rem;color:var(--text);margin-bottom:14px;line-height:1.5}
.cookie-actions{display:flex;gap:10px}
.toast-container{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 18px;box-shadow:var(--shadow);font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:8px;animation:slideIn .2s ease forwards}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@media(max-width:900px){.nav-links{display:none}.nav-links.mobile-open{display:flex;flex-direction:column;position:fixed;top:72px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);padding:20px;gap:14px;box-shadow:var(--shadow);z-index:999}.mobile-toggle{display:block}.nav-dropdown.multi-col{min-width:100%;grid-template-columns:1fr;position:static;box-shadow:none;border:none;padding:8px 0}.tool-card{padding:20px}}