:root{color:#0f172a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:17px;font-weight:400;line-height:1.55}*{box-sizing:border-box}html,body,#root{min-height:100vh;margin:0}body{min-width:320px}h1,h2,h3,p{margin-top:0}button,input,select,textarea{font:inherit}*,:before,:after{box-sizing:border-box;margin:0;padding:0}button{font:inherit;cursor:pointer}.btn-primary{color:#fff;text-align:center;background:#2563eb;border:none;border-radius:14px;padding:15px 32px;font-size:17px;font-weight:600;transition:background .15s,transform .1s}.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px)}.btn-primary.full{width:100%;margin-top:8px}.btn-primary.sm{padding:10px 22px;font-size:15px}.btn-ghost{color:#475569;background:0 0;border:1px solid #cbd5e1;border-radius:12px;padding:10px 20px;font-size:15px;transition:border-color .15s,color .15s}.btn-ghost:hover{color:#0f172a;border-color:#94a3b8}.btn-ghost.sm{padding:8px 16px;font-size:14px}.btn-ghost.active-ghost{color:#2563eb;border-color:#2563eb}.link-btn{color:#2563eb;font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0;text-decoration:underline}.muted{color:#64748b;font-size:14px}.error-banner{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:4px;padding:10px 14px;font-size:14px}.auth-tabs{background:#f1f5f9;border-radius:10px;gap:4px;margin-bottom:20px;padding:4px;display:flex}.auth-tab{color:#64748b;background:0 0;border:none;border-radius:8px;flex:1;padding:10px;font-size:16px;font-weight:500;transition:background .15s,color .15s}.auth-tab.active{color:#0f172a;background:#fff;box-shadow:0 1px 4px #00000014}.auth-hint{color:#94a3b8;text-align:center;margin-top:18px;font-size:15px}.landing{background:#fff;flex-direction:column;min-height:100vh;display:flex}.land-nav{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20;background:#ffffffeb;border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;height:76px;padding:0 64px;display:flex;position:sticky;top:0}.land-brand{color:#0f172a;align-items:center;gap:10px;font-size:22px;font-weight:800;display:flex}.land-nav-right{align-items:center;gap:10px;display:flex}.land-hero{grid-template-columns:1fr 480px;align-items:center;gap:72px;width:100%;max-width:1240px;margin:0 auto;padding:96px 64px 112px;display:grid}.land-badge{color:#2563eb;background:#eff6ff;border:1px solid #bfdbfe;border-radius:20px;margin-bottom:24px;padding:5px 14px;font-size:13px;font-weight:600;display:inline-flex}.land-hero-left h1{color:#0f172a;letter-spacing:-.03em;margin-bottom:24px;font-size:clamp(42px,5.5vw,68px);font-weight:900;line-height:1.08}.land-desc{color:#64748b;max-width:520px;margin-bottom:36px;font-size:19px;line-height:1.65}.land-chips{flex-wrap:wrap;gap:10px;display:flex}.chip{color:#334155;background:#f8fafc;border:1px solid #e2e8f0;border-radius:20px;padding:8px 18px;font-size:15px;font-weight:500}.land-auth-box{background:#fff;border:1.5px solid #e2e8f0;border-radius:24px;padding:40px 36px;box-shadow:0 24px 80px #0f172a1a}.land-auth-box form{flex-direction:column;gap:18px;display:flex}.land-auth-box label{color:#334155;text-transform:uppercase;letter-spacing:.05em;flex-direction:column;gap:7px;font-size:13px;font-weight:600;display:flex}.land-auth-box input{font-size:16px;font:inherit;border:1.5px solid #e2e8f0;border-radius:12px;outline:none;padding:15px 16px;transition:border-color .15s}.land-auth-box input:focus{border-color:#2563eb}.land-how{text-align:center;background:#f8fafc;padding:96px 64px}.land-how h2{color:#0f172a;letter-spacing:-.02em;margin-bottom:56px;font-size:40px;font-weight:800}.how-grid{grid-template-columns:repeat(4,1fr);gap:24px;max-width:1080px;margin:0 auto;display:grid}.how-card{text-align:left;background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:36px 28px}.how-num{color:#dbeafe;font-feature-settings:"tnum";margin-bottom:20px;font-size:44px;font-weight:900;line-height:1}.how-card h3{color:#0f172a;margin-bottom:10px;font-size:18px;font-weight:700}.how-card p{color:#64748b;font-size:15px;line-height:1.65}.land-features{grid-template-columns:repeat(3,1fr);gap:0;max-width:1080px;margin:0 auto;padding:64px 48px;display:grid}.feat-item{border-bottom:1px solid #f1f5f9;border-right:1px solid #f1f5f9;padding:40px 32px}.feat-item:nth-child(3n){border-right:none}.feat-item:nth-last-child(-n+3){border-bottom:none}.feat-icon{margin-bottom:16px;font-size:34px}.feat-item h3{color:#0f172a;margin-bottom:10px;font-size:18px;font-weight:700}.feat-item p{color:#64748b;font-size:15px;line-height:1.65}.land-footer{text-align:center;color:#94a3b8;border-top:1px solid #f1f5f9;margin-top:auto;padding:24px 48px;font-size:13px}.app-page{background:#f8fafc;flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:10;background:#fff;border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;height:72px;padding:0 52px;display:flex;position:sticky;top:0}.topbar-brand{color:#0f172a;background:0 0;border:none;align-items:center;gap:10px;padding:0;font-size:20px;font-weight:800;display:flex}.topbar-right{align-items:center;gap:16px;display:flex}.topbar-user{color:#64748b;font-size:15px}.app-hero{background:linear-gradient(160deg,#1e40af 0%,#1e3a8a 50%,#0f172a 100%);justify-content:center;padding:88px 52px 96px;display:flex}.app-hero-inner{flex-direction:column;gap:20px;width:100%;max-width:800px;display:flex}.app-hero h1{color:#fff;letter-spacing:-.03em;font-size:clamp(36px,5vw,56px);font-weight:900}.app-hero-sub{color:#93c5fd;margin-bottom:8px;font-size:18px}.shorten-row{background:#fff;border-radius:18px;gap:8px;padding:8px;display:flex;box-shadow:0 10px 48px #00000047}.shorten-input{color:#0f172a;background:0 0;border:none;outline:none;flex:1;padding:16px 18px;font-size:17px}.shorten-btn{border-radius:14px;flex-shrink:0;padding:16px 34px;font-size:17px}.result-card{background:#ffffff1a;border:1px solid #ffffff2e;border-radius:16px;flex-direction:column;gap:14px;margin-top:8px;padding:24px 28px;display:flex}.result-label{color:#93c5fd;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:700}.result-from,.result-to{flex-direction:column;gap:5px;display:flex}.result-original{color:#bfdbfe;white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.result-arrow-col{color:#60a5fa;padding:2px 0;font-size:22px}.result-short-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.result-short{color:#fff;letter-spacing:-.02em;font-size:24px;font-weight:800;text-decoration:none}.result-short:hover{text-decoration:underline}.btn-copy{color:#1d4ed8;background:#fff;border:none;border-radius:12px;padding:11px 22px;font-size:15px;font-weight:700;transition:background .15s,transform .1s}.btn-copy:hover{background:#eff6ff;transform:translateY(-1px)}.btn-copy.copied{color:#065f46;background:#d1fae5}.stats-bar{background:#fff;border-bottom:1px solid #e2e8f0;align-items:center;gap:0;padding:0 52px;display:flex}.stat-item{flex-direction:column;align-items:center;gap:5px;padding:24px 40px;display:flex}.stat-item strong{color:#0f172a;font-size:34px;font-weight:800;line-height:1}.stat-item span{color:#94a3b8;text-transform:uppercase;letter-spacing:.06em;font-size:13px;font-weight:600}.stat-sep{background:#e2e8f0;width:1px;height:44px}.history-section{flex:1;width:100%;max-width:920px;margin:0 auto;padding:56px 48px}.history-head{align-items:center;gap:14px;margin-bottom:28px;display:flex}.history-head h2{color:#0f172a;font-size:26px;font-weight:800}.history-badge{color:#2563eb;background:#eff6ff;border:1px solid #bfdbfe;border-radius:20px;padding:3px 12px;font-size:15px;font-weight:700}.links-list{flex-direction:column;gap:12px;display:flex}.link-card{background:#fff;border:1px solid #e2e8f0;border-radius:18px;align-items:center;gap:20px;padding:24px 28px;transition:box-shadow .15s,border-color .15s;display:flex}.link-card:hover{border-color:#cbd5e1;box-shadow:0 6px 24px #0f172a14}.link-card-left{flex:1;min-width:0}.link-short{color:#2563eb;margin-bottom:6px;font-size:18px;font-weight:700;text-decoration:none;display:block}.link-short:hover{text-decoration:underline}.link-original{color:#94a3b8;white-space:nowrap;text-overflow:ellipsis;margin-bottom:10px;font-size:14px;overflow:hidden}.link-meta{color:#94a3b8;align-items:center;gap:12px;font-size:14px;display:flex}.click-badge{color:#2563eb;background:#eff6ff;border-radius:20px;padding:3px 12px;font-size:13px;font-weight:700}.link-card-actions{flex-shrink:0;gap:10px;display:flex}.btn-icon{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;transition:background .15s;display:flex}.btn-icon:hover{background:#f1f5f9}.btn-icon.danger:hover{background:#fef2f2;border-color:#fecaca}.btn-icon.ok{color:#065f46;background:#d1fae5;border-color:#6ee7b7;font-weight:700}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:80px 24px;display:flex}.empty-emoji{margin-bottom:4px;font-size:52px}.app-footer{text-align:center;color:#cbd5e1;border-top:1px solid #e2e8f0;padding:24px;font-size:12px}.redir-bg{background:linear-gradient(135deg,#1e3a5f 0%,#0f172a 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.redir-card{text-align:center;background:#fff;border-radius:20px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:400px;padding:48px 40px;display:flex;box-shadow:0 24px 60px #00000040}.redir-icon{font-size:52px}.redir-card h2{color:#0f172a;font-size:22px;font-weight:800}.redir-card p{color:#64748b;font-size:15px}.redir-card code{background:#f1f5f9;border-radius:4px;padding:2px 6px;font-size:14px}.redir-spinner{border:3px solid #e2e8f0;border-top-color:#2563eb;border-radius:50%;width:36px;height:36px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=960px){.land-hero{grid-template-columns:1fr;gap:40px;padding:56px 32px}.land-auth-box{max-width:480px}.how-grid{grid-template-columns:repeat(2,1fr)}.land-features{grid-template-columns:repeat(2,1fr);padding:48px 32px}.feat-item:nth-child(2n){border-right:none}.feat-item:nth-child(3n){border-right:1px solid #f1f5f9}.feat-item:nth-last-child(-n+3){border-bottom:1px solid #f1f5f9}.feat-item:nth-last-child(-n+2){border-bottom:none}}@media (width<=640px){.land-nav{padding:0 20px}.land-hero{padding:40px 20px 56px}.land-how{padding:56px 20px}.how-grid{grid-template-columns:1fr}.land-features{grid-template-columns:1fr;padding:32px 20px}.feat-item{border-bottom:1px solid #f1f5f9!important;border-right:none!important}.topbar{padding:0 20px}.app-hero{padding:48px 20px 56px}.shorten-row{flex-direction:column}.shorten-btn{width:100%}.stats-bar{padding:0 20px;overflow-x:auto}.stat-item{min-width:100px;padding:16px 20px}.history-section{padding:32px 20px}.result-short{font-size:16px}}