@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.header{z-index:100;background:linear-gradient(135deg,#fff 0%,#f8f9fa 100%);border-bottom:1px solid #e5e7eb;align-items:center;gap:30px;height:60px;padding:0 20px;transition:background .3s,box-shadow .3s;animation:.5s ease-out slideDown;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 2px 8px #0000000a}.logo{background:linear-gradient(135deg,#6366f1,#8b5cf6);-webkit-text-fill-color:transparent;cursor:pointer;-webkit-background-clip:text;background-clip:text;flex-shrink:0;align-items:center;gap:12px;font-size:18px;font-weight:700;transition:transform .3s;animation:.6s ease-out .1s both slideInLeft;display:flex}.logo:hover{transform:scale(1.05)}.logo-icon{background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;transition:all .3s;animation:3s ease-in-out infinite float;display:flex;box-shadow:0 4px 12px #6366f14d}.logo-icon:hover{box-shadow:0 8px 24px #6366f180}nav{flex:1;align-items:center;gap:30px;animation:.6s ease-out .2s both fadeIn;display:flex}.nav-link{color:#64748b;align-items:center;gap:8px;padding-bottom:3px;font-size:14px;font-weight:500;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.nav-icon{transition:transform .3s}.nav-tools{background:linear-gradient(135deg,#6366f11a,#8b5cf614);border:1px solid #6366f126;border-radius:8px;padding:6px 14px}.nav-tools:hover{background:linear-gradient(135deg,#6366f126,#8b5cf61f);border-color:#6366f14d}.nav-tools:hover .nav-icon{transform:scale(1.2)rotate(15deg)}.nav-link:after{content:"";background:linear-gradient(90deg,#6366f1,#8b5cf6);width:0;height:2px;transition:width .3s;position:absolute;bottom:0;left:0}.nav-link:hover{color:#6366f1}.nav-link:hover:after{width:100%}.nav-link.active{color:#6366f1}.nav-link.active:after{width:100%}.header-right{color:#64748b;align-items:center;gap:20px;display:flex}.btn-login,.btn-signup,.btn-logout{cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600;transition:all .3s cubic-bezier(.34,1.56,.64,1);animation:.6s ease-out .3s both fadeIn}.btn-login{color:#64748b;background:0 0;position:relative}.btn-login:before{content:"";opacity:0;z-index:-1;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:8px;transition:opacity .3s;position:absolute;inset:0}.btn-login:hover{color:#fff;transform:translateY(-2px)}.btn-login:hover:before{opacity:.1}.btn-signup{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);position:relative;overflow:hidden;box-shadow:0 4px 12px #6366f14d}.btn-signup:before{content:"";background:#ffffff4d;border-radius:50%;width:0;height:0;transition:width .6s,height .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.btn-signup:hover{transform:translateY(-3px);box-shadow:0 8px 24px #6366f180}.btn-signup:hover:before{width:300px;height:300px}.btn-logout{color:#fff;background:#ef4444;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.btn-logout:hover{background:#dc2626;transform:translateY(-2px);box-shadow:0 4px 12px #ef444466}.menu-icon{cursor:pointer;display:none}.modal-overlay{z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#020617a6;justify-content:center;align-items:center;animation:.3s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:18px;width:420px;padding:24px;transition:all .3s;animation:.4s cubic-bezier(.34,1.56,.64,1) fadeInUp;box-shadow:0 28px 80px #0f172a2e}.modal-large.modal{width:680px;max-width:94vw;padding:32px}.modal-title{color:#0f172a;margin-bottom:16px;font-size:24px}.large-input{color:#0f172a;border:1px solid #e6edf3;border-radius:14px;width:100%;margin:10px 0;padding:16px 18px;font-size:15px}.modal-actions{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.modal-auth-actions{grid-template-columns:1fr 1fr;gap:12px;display:grid}.primary{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:14px;padding:14px 18px;font-weight:700}.google-btn{color:#202a44;background:#fff;border:1px solid #d6d9e6;border-radius:14px;justify-content:center;align-items:center;gap:10px;padding:14px 18px;font-weight:700;display:inline-flex}.google-icon{width:18px;height:18px;display:inline-flex}.modal-secondary-actions{justify-content:space-between;margin-top:14px;display:flex}.link-button{color:#6366f1;cursor:pointer;background:0 0;border:none;font-size:14px;font-weight:600}.auth-message{color:#0f172a;z-index:210;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:12px 16px;position:fixed;top:80px;right:24px;box-shadow:0 14px 36px #0f172a1f}.password-input-group{flex-direction:column;gap:8px;display:flex}.strength-bar-container{background:#e2e8f0;border-radius:2px;height:4px;overflow:hidden}.strength-bar{border-radius:2px;height:100%;transition:width .3s,background-color .3s}.strength-label{font-size:12px;font-weight:600;transition:color .3s}.password-hints{background:#3b82f60d;border:1px solid #3b82f61a;border-radius:8px;padding:8px 12px}.password-hints small{color:#475569;font-size:12px;line-height:1.4}.primary:disabled{opacity:.6;cursor:not-allowed;transform:none!important}@media (width<=768px){nav{display:none}.menu-icon{display:block}.logo span{display:none}.header{gap:10px}}.sidebar-left{background:linear-gradient(#fff 0%,#f8fafc 100%);border-right:1px solid #e2e8f0;width:220px;height:calc(100vh - 60px);padding:20px 10px;transition:background .3s;animation:.6s ease-out slideInLeft;position:fixed;top:60px;left:0;overflow-y:auto;box-shadow:2px 0 8px #00000005}.sidebar-section{margin-bottom:24px}.sidebar-title{text-transform:uppercase;letter-spacing:.5px;color:#94a3b8;margin-bottom:12px;padding:0 10px;font-size:10px;font-weight:700}.sidebar-item{color:#475569;cursor:pointer;border-radius:8px;align-items:center;gap:12px;margin-bottom:6px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.sidebar-item:before{content:"";background:linear-gradient(#6366f1,#8b5cf6);border-radius:4px;width:4px;height:100%;transition:transform .3s;position:absolute;top:0;left:0;transform:scaleY(0)}.sidebar-item:hover{color:#6366f1;background:#f1f5f9;transform:translate(6px)}.sidebar-item:hover:before{transform:scaleY(1)}.sidebar-item.active{color:#6366f1;background:linear-gradient(135deg,#eef2ff,#f3f0ff);font-weight:600;animation:.6s ease-out fadeInLeft;box-shadow:inset 0 0 0 1px #e0e7ff,0 0 12px #6366f126}.sidebar-item.active:before{transform:scaleY(1)}.sidebar-item svg{flex-shrink:0}.premium-box{color:#fff;text-align:center;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:12px;margin:20px 10px;padding:20px;transition:all .3s;animation:.8s ease-out fadeInUp,4s ease-in-out infinite glow;box-shadow:0 8px 24px #6366f140}.premium-box:hover{transform:translateY(-4px);box-shadow:0 16px 40px #6366f159}.premium-box h3{margin-bottom:12px;font-size:15px;font-weight:700}.premium-box p{opacity:.95;margin-bottom:10px;font-size:12px}.premium-box ul{text-align:left;margin-bottom:15px;font-size:12px;list-style:none}.premium-box li{align-items:center;gap:8px;margin-bottom:6px;display:flex}.premium-box li:before{content:"✓";font-size:14px;font-weight:700}.btn-upgrade{color:#6366f1;cursor:pointer;background:#fff;border:none;border-radius:8px;width:100%;padding:10px;font-size:13px;font-weight:700;transition:all .2s}.btn-upgrade:hover{background:#f1f5f9;transform:scale(1.02)}.theme-toggle{text-align:center;color:#94a3b8;cursor:pointer;justify-content:center;align-items:center;gap:8px;margin-top:20px;padding:10px;font-size:12px;transition:color .2s;display:flex}.theme-toggle:hover{color:#64748b}.sidebar-left::-webkit-scrollbar{width:6px}.sidebar-left::-webkit-scrollbar-track{background:0 0}.sidebar-left::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.sidebar-left::-webkit-scrollbar-thumb:hover{background:#94a3b8}.sidebar-footer{color:#334155;background:#eef2ff;border:1px solid #e2e8f0;border-radius:16px;margin-top:24px;padding:18px 16px;font-size:13px;line-height:1.6}.sidebar-footer h4{margin-bottom:10px;font-size:14px;font-weight:700}.sidebar-footer p{margin:0}@media (width<=768px){.sidebar-left{display:none}}.main-content{background:#f9fafb;flex:1;margin-top:0;margin-left:220px;margin-right:300px;padding:40px;animation:.6s ease-out .2s both slideInLeft;overflow-y:auto}.hero{text-align:center;background:radial-gradient(circle at 0 0,#6366f12e,#0000 30%),radial-gradient(circle at 100% 100%,#3b82f629,#0000 28%),linear-gradient(135deg,#fff 0%,#eef2ff 100%);border:1px solid #94a3b826;border-radius:24px;margin-bottom:40px;padding:64px 48px;transition:all .3s;animation:.8s ease-out fadeInUp,4s ease-in-out infinite heroGlow;box-shadow:0 24px 80px #0f172a0f}@keyframes heroGlow{0%,to{box-shadow:0 24px 80px #0f172a0f,0 0 40px #6366f11a}50%{box-shadow:0 24px 80px #0f172a1f,0 0 60px #6366f126}}.hero h1{letter-spacing:-.04em;background:linear-gradient(135deg,#6366f1,#ec4899,#f97316);-webkit-text-fill-color:transparent;text-shadow:0 8px 24px #6366f133;background-size:200% 200%;-webkit-background-clip:text;margin-bottom:16px;font-size:3.5rem;font-weight:900;animation:1s ease-out .2s both fadeInUp,6s ease-in-out infinite gradientShift;display:inline-block}@keyframes gradientShift{0%,to{background-position:0%}50%{background-position:100%}}.highlight-home{background:linear-gradient(135deg,#6366f1,#ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text;border-radius:8px;padding:4px 12px;font-weight:900;display:inline-block;box-shadow:0 4px 12px #6366f140}.hero-subtitle{background:linear-gradient(135deg,#6366f1,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:20px;font-size:1.3rem;font-weight:700;animation:1s ease-out .3s both fadeInUp}.hero p{color:#475569;max-width:620px;margin:0 auto 32px;font-size:1rem;line-height:1.8;animation:1s ease-out .4s both fadeInUp}.search-bar{align-items:center;gap:10px;max-width:620px;margin:0 auto;display:flex;position:relative}.home-content-wrapper{grid-template-columns:1fr 340px;gap:32px;margin-bottom:40px;display:grid}.home-main-section{flex:1}.home-tools-sidebar{background:#fff;border:1px solid #e2e8f0;border-radius:18px;height:fit-content;padding:24px;animation:1s ease-out .6s both fadeInUp;position:sticky;top:100px;box-shadow:0 18px 40px #0f172a0d}.sidebar-hand-image{text-align:center;margin-bottom:20px}.hand-logo{border-radius:12px;width:120px;height:auto;transition:transform .3s;box-shadow:0 8px 16px #6366f126}.hand-logo:hover{transform:scale(1.05)}.sidebar-tools-title{border-bottom:2px solid #e2e8f0;margin-bottom:16px;padding-bottom:12px}.sidebar-tools-title h3{color:#0f172a;margin:0;font-size:1rem;font-weight:700}.sidebar-tools-list{flex-direction:column;gap:8px;max-height:500px;display:flex;overflow-y:auto}.sidebar-tool-item{cursor:pointer;text-align:left;color:#334155;background:0 0;border:1px solid #e2e8f0;border-radius:10px;align-items:center;gap:10px;padding:10px 12px;font-size:.9rem;font-weight:500;transition:all .2s;display:flex}.sidebar-tool-item:hover{background:#f1f5ff;border-color:#6366f1}.sidebar-tool-icon{background:var(--icon-color,#6366f1);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-tool-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.conversion-panel{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:28px 30px;transition:all .3s;animation:1s ease-out .5s both fadeInUp;box-shadow:0 18px 40px #0f172a0d}.conversion-top{justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;display:flex}.conversion-top h2{margin-bottom:10px;font-size:24px}.conversion-top p,.conversion-label{color:#64748b}.conversion-label{text-transform:uppercase;letter-spacing:.15em;color:#94a3b8;margin-bottom:10px;font-size:12px;font-weight:700}.conversion-selected{color:#334155;font-size:14px;font-weight:600}.popular-tools{background:linear-gradient(135deg,#6366f114,#8b5cf614);border:1px solid #6366f133;border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 16px;display:flex}.popular-tools-title{text-transform:uppercase;letter-spacing:.1em;color:#64748b;white-space:nowrap;font-size:12px;font-weight:700}.popular-tool-link{color:#6366f1;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:6px 12px;font-size:13px;font-weight:600;transition:all .2s}.popular-tool-link:hover{background:linear-gradient(135deg,#6366f11a,#8b5cf61a);border-color:#6366f1;transform:translateY(-1px);box-shadow:0 4px 12px #6366f126}.conversion-form{grid-template-columns:1.6fr 1fr;align-items:center;gap:16px;margin-bottom:18px;display:grid}.upload-box{cursor:pointer;color:#334155;background:#ffffff80;border:2px dashed #94a3b8c2;border-radius:20px;justify-content:space-between;align-items:center;padding:22px 24px;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.upload-box:hover{background:linear-gradient(135deg,#6366f114,#8b5cf60d);border-color:#6366f1;transform:translateY(-2px);box-shadow:0 8px 20px #6366f126}.upload-box.dragging{background:linear-gradient(135deg,#6366f126,#8b5cf61f);border-width:2px;border-color:#6366f1;animation:.6s ease-in-out infinite dragPulse;transform:translateY(-4px)scale(1.01);box-shadow:0 12px 32px #6366f140,inset 0 0 20px #6366f11a}@keyframes dragPulse{0%,to{box-shadow:0 12px 32px #6366f140,inset 0 0 20px #6366f11a}50%{box-shadow:0 16px 40px #6366f159,inset 0 0 30px #6366f126}}.upload-box span{font-size:15px;font-weight:700;transition:all .3s}.upload-box input{display:none}.convert-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:16px;justify-content:center;align-items:center;gap:12px;padding:18px 28px;font-size:15px;font-weight:700;transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s,opacity .3s;display:inline-flex;position:relative;overflow:hidden}.convert-btn:before{content:"";background:#fff6;border-radius:50%;width:0;height:0;transition:width .6s,height .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.convert-btn:hover{transform:translateY(-3px);box-shadow:0 20px 48px #6366f147}.convert-btn:hover:before{width:300px;height:300px}.convert-btn:disabled{opacity:.72;cursor:not-allowed;background:#94a3b8;transform:none}.loading-pill{align-items:center;gap:10px;display:inline-flex}.spinner{border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spinner,1.5s ease-in-out infinite spinnerPulse}@keyframes spinner{to{transform:rotate(360deg)}}@keyframes spinnerPulse{0%,to{opacity:1;box-shadow:inset 0 0 10px #ffffff80}50%{opacity:.7;box-shadow:inset 0 0 15px #fffc}}.conversion-message{color:#334155;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;margin-bottom:16px;padding:14px 18px;font-size:14px}.download-btn{color:#3730a3;background:#e0e7ff;border-radius:12px;padding:14px 20px;font-weight:700;text-decoration:none;transition:transform .2s,background .2s;display:inline-flex}.download-btn:hover{background:#c7d2fe}.tool-card{text-align:center;cursor:pointer;color:inherit;background:linear-gradient(#fff 0%,#f8fbff 100%);border:1px solid #e2e8f0f2;border-radius:20px;flex-direction:column;align-items:center;min-height:240px;padding:28px 24px;transition:all .35s;display:flex}.tool-card.selected{background:linear-gradient(#eef2ff 0%,#fff 100%);border-color:#6366f1;transform:translateY(-4px);box-shadow:0 24px 60px #6366f11f}.tool-card:hover{transform:translateY(-6px);box-shadow:0 22px 56px #0f172a1f}.tool-card:focus-visible,.tool-card:hover{transform:translateY(-6px);box-shadow:0 22px 56px #0f172a29}.tool-card.selected .tool-icon{box-shadow:0 20px 40px #6366f13d}.tool-card.selected h3{color:#1f2937}.tool-card.selected p{color:#334155}.tool-icon{background:var(--icon-color,#6366f1);border-radius:22px;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:18px;display:flex;box-shadow:0 18px 32px #6366f12e}.tool-card h3{margin-bottom:10px;font-size:16px;font-weight:700}.no-results{text-align:center;color:#475569;background:#6366f10d;border:1px dashed #6366f166;border-radius:18px;grid-column:1/-1;padding:40px;font-weight:600}@media (width<=1024px){.conversion-form{grid-template-columns:1fr}.conversion-top{flex-direction:column;align-items:flex-start}}@media (width<=768px){.conversion-panel{padding:24px}.tools-grid{grid-template-columns:1fr}}.search-icon{color:#94a3b8;pointer-events:none;position:absolute;left:16px}.page-content{max-width:1100px;margin:0 auto;padding:20px 0}.page-header{margin-bottom:32px}.page-header h1{color:#0f172a;margin-bottom:14px;font-size:2.7rem}.page-header p{color:#475569;max-width:760px;line-height:1.8}.page-grid,.contact-panel,.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:32px;display:grid}.page-panel,.contact-card,.settings-card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:28px;box-shadow:0 18px 40px #0f172a0d}.page-panel h2,.contact-card h2,.settings-card h2{margin-bottom:12px;font-size:1.4rem}.page-panel p,.contact-card p,.settings-card p,.privacy-copy p,.faq-item p{color:#475569;line-height:1.75}.page-section{margin-bottom:24px}.privacy-copy{background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;padding:24px}.privacy-copy p{margin-bottom:18px}.faq-list{gap:18px;display:grid}.faq-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;padding:24px}.faq-item h3{color:#0f172a;margin-bottom:10px;font-size:1.15rem}.contact-button{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:14px;justify-content:center;align-items:center;padding:14px 20px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.contact-button:hover{transform:translateY(-2px)}.home-footer{justify-content:center;margin-top:32px;display:flex}.profile-link{background:#fff;border:1px solid #e2e8f0;border-radius:999px;align-items:center;gap:16px;padding:18px 22px;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex;box-shadow:0 18px 40px #0f172a0d}.profile-link:hover{transform:translateY(-2px);box-shadow:0 24px 56px #0f172a14}.profile-image-wrapper{border:3px solid #6366f1;border-radius:999px;justify-content:center;align-items:center;width:88px;height:88px;display:flex;overflow:hidden}.profile-image-wrapper img{object-fit:cover;width:100%;height:100%}.profile-meta span{color:#0f172a;font-size:18px;font-weight:700;display:block}.profile-meta small{color:#475569;font-size:13px}.settings-card{min-height:180px}.settings-toggle{color:#fff;cursor:pointer;background:#6366f1;border:none;border-radius:14px;margin-top:16px;padding:12px 18px;font-weight:700}@media (width<=900px){.page-grid,.contact-panel,.settings-grid{grid-template-columns:1fr}}.search-bar input{background:#fff;border:1px solid #e2e8f0;border-radius:10px;outline:none;flex:1;padding:14px 16px 14px 44px;font-size:14px;transition:all .2s}.search-bar input:focus{background:#fff;border-color:#6366f1;box-shadow:0 0 0 4px #6366f114}.search-bar input::placeholder{color:#cbd5e1}.search-helper{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:16px;display:flex}.search-helper span{color:#64748b;font-size:13px;font-weight:600}.search-chip{color:#3730a3;cursor:pointer;background:#eef2ff;border:1px solid #c7d2fe;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700;transition:all .2s}.search-chip:hover{background:#c7d2fe;transform:translateY(-1px)}.search-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:10px;align-items:center;gap:8px;padding:14px 18px;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 12px #6366f14d}.search-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #6366f166}.tabs{flex-wrap:wrap;justify-content:center;gap:12px;margin:40px 0;display:flex}.tab{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:10px 22px;font-size:13px;font-weight:600;transition:all .2s}.tab:hover{color:#475569;background:#f8fafc;border-color:#cbd5e1}.tab.active{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-color:#0000;box-shadow:0 4px 12px #6366f140}.tools-section{margin-bottom:50px}.tools-section h2{color:#1e293b;margin-bottom:8px;font-size:24px;font-weight:700}.tools-section-header{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.view-all{color:#6366f1;align-items:center;gap:6px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.view-all:hover{opacity:.8;gap:10px}.tools-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px;display:grid}.tool-card{text-align:center;cursor:pointer;color:inherit;background:#fff;border:1px solid #e2e8f0;border-radius:12px;flex-direction:column;align-items:center;padding:28px 24px;text-decoration:none;transition:all .3s;display:flex}.tool-card:hover{border-color:#cbd5e1;transform:translateY(-6px);box-shadow:0 16px 32px #00000014}.tool-icon{background:var(--icon-color);border-radius:14px;justify-content:center;align-items:center;width:70px;height:70px;margin:0 auto 18px;display:flex;box-shadow:0 8px 20px #0000001f}.tool-card h3{color:#1e293b;margin-bottom:10px;font-size:17px;font-weight:700}.tool-card p{color:#64748b;font-size:13px;line-height:1.6}.features{color:#fff;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);border-radius:16px;grid-template-columns:repeat(4,1fr);gap:32px;margin-bottom:50px;padding:50px 40px;display:grid;box-shadow:0 20px 40px #6366f140}.feature{text-align:center;flex-direction:column;align-items:center;display:flex}.feature-icon{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;margin-bottom:16px;display:flex}.feature h3{margin-bottom:8px;font-size:17px;font-weight:700}.feature p{opacity:.95;font-size:13px;line-height:1.6}.trusted{text-align:center;border-top:1px solid #e2e8f0;margin-top:50px;padding-top:40px}.trusted-text{color:#64748b;margin-bottom:20px;font-size:13px;font-weight:600}.trusted-logos{flex-wrap:wrap;justify-content:center;align-items:center;gap:40px;display:flex}.logo-item{color:#94a3b8;align-items:center;height:32px;font-size:13px;font-weight:700;transition:color .2s;display:flex}.logo-item:hover{color:#6366f1}.tool-page-hero{background:radial-gradient(circle at 0 0,#6366f12e,#0000 30%),radial-gradient(circle at 100% 100%,#3b82f629,#0000 28%),linear-gradient(135deg,#fff 0%,#eef2ff 100%);border:1px solid #94a3b826;border-radius:24px;margin-bottom:40px;padding:48px 40px;animation:.8s ease-out fadeInUp;box-shadow:0 24px 80px #0f172a0f}.tool-page-header{text-align:center}.tool-page-icon{background:var(--icon-color,#6366f1);border-radius:28px;justify-content:center;align-items:center;width:120px;height:120px;margin:0 auto 24px;display:flex;box-shadow:0 24px 48px #6366f140}.tool-page-header h1{background:linear-gradient(135deg,#334155,#0f172a);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:12px;font-size:2.8rem;font-weight:900}.tool-page-header p{color:#475569;max-width:600px;margin:0 auto;font-size:1.1rem}.tool-page-container{grid-template-columns:1fr 280px;gap:32px;margin-bottom:40px;display:grid}.tool-upload-section{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:40px;box-shadow:0 18px 40px #0f172a0d}.upload-instruction h2{color:#0f172a;margin-bottom:8px;font-size:1.6rem;font-weight:700}.upload-instruction p{color:#64748b;margin-bottom:28px}.large-upload-box{cursor:pointer;background:linear-gradient(135deg,#f8fafc 0%,#f1f5ff 100%);border:2px dashed #cbd5e1;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:20px;margin-bottom:24px;padding:60px 40px;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative;overflow:hidden}.large-upload-box:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f100 0% 100%);transition:background .3s;position:absolute;inset:0}.large-upload-box:hover{background:linear-gradient(135deg,#6366f114,#8b5cf614);border-color:#6366f1;transform:translateY(-2px);box-shadow:0 12px 24px #6366f11f}.large-upload-box:hover:before{background:radial-gradient(circle,#6366f11a 0%,#6366f100 70%)}.large-upload-box.dragging{background:linear-gradient(135deg,#6366f126,#8b5cf626);border-width:2px;border-color:#6366f1;animation:.6s ease-in-out infinite uploadDragPulse;transform:translateY(-6px)scale(1.02);box-shadow:0 20px 40px #6366f140,inset 0 0 30px #6366f114}.large-upload-box.dragging:before{background:radial-gradient(circle,#6366f126 0%,#6366f100 70%)}@keyframes uploadDragPulse{0%,to{box-shadow:0 20px 40px #6366f140,inset 0 0 30px #6366f114}50%{box-shadow:0 24px 48px #6366f159,inset 0 0 40px #6366f11f}}.large-upload-box input[type=file]{display:none}.upload-icon{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:16px;justify-content:center;align-items:center;width:80px;height:80px;display:flex}.upload-text{flex-direction:column;align-items:center;gap:6px;display:flex}.upload-title{color:#0f172a;font-size:1.2rem;font-weight:700}.upload-info{color:#64748b;font-size:.9rem}.file-selected{color:#1e40af;background:linear-gradient(135deg,#3b82f61a,#6366f11a);border:2px solid #3b82f6;border-radius:12px;align-items:center;gap:12px;margin-bottom:20px;padding:16px 20px;font-weight:600;animation:.4s cubic-bezier(.34,1.56,.64,1) slideIn;display:flex;box-shadow:0 4px 12px #3b82f626}.file-selected p{flex:1;margin:0}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.tool-convert-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;margin-bottom:20px;padding:16px 24px;font-size:1rem;font-weight:700;transition:all .3s;display:flex;box-shadow:0 8px 24px #6366f140}.tool-convert-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 32px #6366f159}.tool-convert-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.tool-page-sidebar{flex-direction:column;gap:20px;display:flex}.tool-info-card{background:linear-gradient(135deg,#f8fafc,#eef2ff);border:1px solid #e2e8f0;border-radius:16px;padding:20px}.tool-info-card h3{color:#0f172a;margin-bottom:12px;font-size:1rem;font-weight:700}.tool-info-card p,.tool-info-card ol{color:#475569;font-size:.9rem;line-height:1.6}.tool-info-card ol{padding-left:20px;list-style-position:inside}.back-home-btn{color:#6366f1;cursor:pointer;background:#fff;border:2px solid #e2e8f0;border-radius:12px;margin-top:auto;padding:14px 20px;font-weight:600;transition:all .2s}.back-home-btn:hover{background:#eef2ff;border-color:#6366f1}.main-content::-webkit-scrollbar{width:8px}.main-content::-webkit-scrollbar-track{background:0 0}.main-content::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}.main-content::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media (width<=1400px){.tools-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=1024px){.main-content{margin-right:0}.tools-grid,.features{grid-template-columns:repeat(2,1fr)}.tool-page-container{grid-template-columns:1fr}.tool-upload-section{padding:30px}.large-upload-box{padding:40px 20px}}@media (width<=768px){.main-content{margin-left:0;padding:20px}.hero{padding:30px 20px}.hero h1{font-size:28px}.tool-page-hero{padding:30px 20px}.tool-page-header h1{font-size:2rem}.tools-grid{grid-template-columns:1fr;gap:16px}.features{grid-template-columns:1fr;gap:20px;padding:30px 20px}.tabs{margin:20px 0}.tool-upload-section{padding:20px}.large-upload-box{gap:16px;padding:40px 20px}.upload-title{font-size:1rem}}.sidebar-right{background:linear-gradient(#fff 0%,#f8fafc 100%);border-left:1px solid #e2e8f0;width:300px;height:calc(100vh - 60px);padding:16px;transition:background .3s;animation:.6s ease-out slideInRight;position:fixed;top:60px;right:0;overflow-y:auto;box-shadow:-2px 0 8px #00000005}.support-card{text-align:center;color:#fff;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);border-radius:12px;margin-bottom:16px;padding:16px;transition:all .3s;animation:.6s ease-out fadeInUp;box-shadow:0 6px 16px #6366f133}.support-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px #6366f14d}.support-icon{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;margin:0 auto 10px;display:flex}.support-card h3{margin-bottom:6px;font-size:14px;font-weight:700}.support-card p{opacity:.95;margin-bottom:10px;font-size:12px;line-height:1.4}.support-link{color:#fff;background:#fff3;border-radius:6px;padding:6px 12px;font-size:12px;text-decoration:none;transition:all .3s;display:inline-block}.support-link:hover{background:#ffffff4d}.support-note{color:#4338ca;background:#f0f4ff;border-radius:10px;align-items:flex-start;gap:10px;margin-bottom:16px;padding:12px;font-size:12px;line-height:1.4;display:flex}.support-note svg{flex-shrink:0;margin-top:2px}.summarize-btn{cursor:pointer;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:1px solid #ffffff4d;border-radius:8px;justify-content:space-between;align-items:center;width:100%;padding:12px 16px;font-size:13px;font-weight:600;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative;overflow:hidden}.summarize-btn:before{content:"";background:#ffffff4d;border-radius:50%;width:0;height:0;transition:width .6s,height .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.summarize-btn:hover{background:#ffffff4d;border-color:#fff6;transform:translateY(-2px)}.summarize-btn:hover:before{width:300px;height:300px}.quick-actions{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px}.quick-actions h3{color:#1e293b;margin-bottom:16px;font-size:15px;font-weight:700}.action-item{cursor:pointer;color:#475569;border-bottom:1px solid #f1f5f9;align-items:center;gap:14px;padding:12px 0 12px 12px;font-size:13px;font-weight:500;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative}.action-item:before{content:"";background:linear-gradient(#6366f1,#8b5cf6);width:3px;height:0;transition:height .3s;position:absolute;top:50%;left:0;transform:translateY(-50%)}.action-item:hover:before{height:100%}.action-item:last-child{border-bottom:none}.action-item:hover{color:#6366f1;transform:translate(4px)}.action-item svg{color:inherit;flex-shrink:0}.action-badge{color:#fff;background:linear-gradient(135deg,#818cf8,#6366f1);border-radius:6px;margin-left:auto;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.sidebar-right::-webkit-scrollbar{width:6px}.sidebar-right::-webkit-scrollbar-track{background:0 0}.sidebar-right::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.sidebar-right::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media (width<=1024px){.sidebar-right{display:none}}*{box-sizing:border-box;margin:0;padding:0}body{color:#1a1a1a;background:#f5f6fa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,sans-serif;transition:background .4s cubic-bezier(.4,0,.2,1),color .4s cubic-bezier(.4,0,.2,1)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-15px)}to{opacity:1;transform:translate(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{0%,to{box-shadow:0 0 20px #6366f14d}50%{box-shadow:0 0 40px #6366f199}}.app{background:#f9fafb;flex-direction:column;min-height:100vh;animation:.6s ease-out fadeIn;display:flex}.app-container{flex:1;margin-top:60px;display:flex}.app.dark-mode,body.dark-mode{color:#f1f5f9;background:#0f172a}body.dark-mode .app{background:#0f172a;animation:.4s ease-out fadeIn}body.dark-mode .main-content,body.dark-mode .sidebar-left,body.dark-mode .sidebar-right,body.dark-mode .header,body.dark-mode .conversion-panel,body.dark-mode .tool-card,body.dark-mode .premium-box,body.dark-mode .contact-card,body.dark-mode .page-panel,body.dark-mode .settings-card{color:#d1d5db;background:#111827}@media (width<=1400px){.app-container{grid-template-columns:auto 1fr auto;display:grid}}@media (width<=1024px){.app-container{grid-template-columns:auto 1fr}}@media (width<=768px){.app-container{grid-template-columns:1fr}}
