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h4{font-size:16px;margin-bottom:16px;color:#fff}.footer-section p{color:#ffffffb3;line-height:1.6}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:8px}.footer-section ul li a{color:#ffffffb3;text-decoration:none;transition:color .3s ease}.footer-section ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;color:#ffffff80}.home{min-height:calc(100vh - 80px)}.hero{background:linear-gradient(135deg,#667eea,#5568d3);color:#fff;padding:80px 20px;text-align:center}.hero-title{font-size:48px;font-weight:700;margin-bottom:16px;line-height:1.2}.hero-subtitle{font-size:24px;opacity:.95;margin-bottom:16px}.hero-description{font-size:18px;opacity:.85;max-width:600px;margin:0 auto}.tools-section,.features-section{padding:60px 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.btn{margin-right:12px;margin-top:24px}.tool-features{background:#fff;border-radius:12px;padding:32px;box-shadow:var(--shadow);border:1px solid var(--border-color)}.tool-features h2{font-size:24px;margin-bottom:20px;color:var(--text-color)}.tool-features ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}.tool-features li{color:var(--text-light);padding:8px 0}.tool-info{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--border-color);margin-top:24px}.tool-info h3{font-size:20px;margin-bottom:16px;color:var(--text-color)}.tool-info p{color:var(--text-light);line-height:1.6;margin-bottom:8px}.processing-status{margin-top:24px}.status-content{display:flex;align-items:center;gap:12px;padding:16px;border-radius:8px;background:var(--secondary-color)}.success-message,.error-message{display:flex;align-items:center;gap:12px;color:var(--success-color)}.error-message{color:#f56565}.spinner{width:20px;height:20px;border:3px solid rgba(102,126,234,.3);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.form-group{margin-bottom:20px}.form-group label{display:block;font-weight:500;margin-bottom:8px;color:var(--text-color)}.form-group input,.form-group select{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:8px;font-size:16px;transition:border-color .3s ease}.form-group input:focus,.form-group 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h3{font-size:18px;margin-bottom:16px;color:var(--text-color)}.rotation-buttons{display:flex;gap:12px}.rotation-btn{flex:1;padding:12px;border:2px solid var(--border-color);background:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease}.rotation-btn:hover{border-color:var(--primary-color)}.rotation-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.convert-options{margin-bottom:24px}.convert-options h3{font-size:18px;margin-bottom:16px;color:var(--text-color)}.format-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.format-option{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px;border:2px solid var(--border-color);background:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease}.format-option:hover{border-color:var(--primary-color);transform:translateY(-2px)}.format-option.active{border-color:var(--primary-color);background:var(--secondary-color)}.format-option span{font-weight:500;color:var(--text-color)}.security-options{margin-bottom:24px}.security-options h3{font-size:18px;margin-bottom:16px;color:var(--text-color)}.security-type-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.security-type-btn{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px;border:2px solid var(--border-color);background:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease}.security-type-btn:hover{border-color:var(--primary-color);transform:translateY(-2px)}.security-type-btn.active{border-color:var(--primary-color);background:var(--secondary-color)}.security-type-btn span{font-weight:500;color:var(--text-color)}.password-inputs{margin-top:24px}.password-inputs h3{font-size:18px;margin-bottom:16px;color:var(--text-color)}.password-requirements{margin-top:16px;padding:16px;background:var(--secondary-color);border-radius:8px;border:1px solid var(--border-color)}.password-requirements h4{font-size:16px;margin-bottom:8px;color:var(--text-color)}.password-requirements ul{list-style:none;padding:0;margin:0}.password-requirements li{color:var(--text-light);padding:4px 0 4px 20px;position:relative}.password-requirements li:before{content:"•";position:absolute;left:0;color:var(--primary-color)}@media (max-width: 768px){.nav{flex-direction:column;gap:16px}.nav-links{flex-wrap:wrap;justify-content:center;gap:4px}.nav-links a{padding:6px 10px;font-size:13px}.hero{padding:60px 16px}.hero-title{font-size:32px;line-height:1.3}.hero-subtitle{font-size:18px;margin-bottom:12px}.hero-description{font-size:16px}.tools-section,.features-section{padding:40px 16px}.section-title{font-size:28px;margin-bottom:32px}.tools-grid{grid-template-columns:repeat(2,1fr);gap:16px;padding:0 4px}.tool-card{padding:20px 12px;min-height:160px}.tool-icon{width:56px;height:56px}.tool-icon svg{width:32px;height:32px}.tool-card h3{font-size:16px;margin-bottom:4px}.tool-card 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.btn+.btn{margin-left:0}}@media (max-width: 480px){.tools-grid{grid-template-columns:1fr;gap:12px;padding:0}.tool-card{padding:24px;min-height:auto;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;text-align:left}.tool-icon{width:64px;height:64px;margin:0}.tool-icon svg{width:36px;height:36px}.tool-card h3{font-size:18px;grid-column:2;margin-bottom:4px}.tool-card p{font-size:13px;grid-column:2;-webkit-line-clamp:3}.format-grid{grid-template-columns:1fr}.nav-links{flex-direction:column;align-items:center}.nav-links a{padding:8px 12px;width:100%;text-align:center}.hero-title{font-size:28px}.hero-subtitle{font-size:16px}.section-title,.tool-header h1{font-size:24px}.compression-levels{gap:8px}.level-option{padding:12px}.level-option strong{font-size:14px}.level-option p{font-size:12px}.password-requirements{padding:12px}.password-requirements h4{font-size:14px}.password-requirements li{font-size:12px;padding:2px 0}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #667eea;--primary-dark: #5568d3;--secondary-color: #f7fafc;--text-color: #2d3748;--text-light: #718096;--bg-color: #ffffff;--success-color: #48bb78;--border-color: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-color);background:var(--bg-color);line-height:1.6}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s 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h3{margin-bottom:8px;color:var(--text-color)}.upload-zone p{color:var(--text-light);font-size:14px}.upload-zone:hover{border-color:var(--primary-color);background:var(--secondary-color)}.upload-zone.dragover{border-color:var(--primary-color);background:#667eea1a}@media (max-width: 768px){.upload-zone{padding:32px 20px}.upload-zone svg{width:48px;height:48px}.upload-zone h3{font-size:16px}.upload-zone p{font-size:13px}}@media (max-width: 480px){.upload-zone{padding:24px 16px}.upload-zone svg{width:40px;height:40px}.upload-zone h3{font-size:14px}.upload-zone p{font-size:12px}}