.base64-app-main{box-sizing:border-box;flex-direction:column;gap:0;width:100%;max-width:1200px;margin:0 auto;padding:0 20px;animation:.8s cubic-bezier(.16,1,.3,1) fadeUp;display:flex}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.base64-controls{-webkit-backdrop-filter:blur(25px);z-index:50;background:#0b1121bf;border-bottom:1px solid #ffffff0f;justify-content:space-between;align-items:center;gap:16px;padding:14px 24px;display:flex;position:relative}.base64-mode-toggle{background:#0006;border:1px solid #ffffff0d;border-radius:12px;padding:3px;display:flex}.base64-mode-btn{color:#fff6;cursor:pointer;background:0 0;border:none;border-radius:10px;padding:6px 16px;font-size:.75rem;font-weight:700;transition:all .3s cubic-bezier(.2,.8,.2,1)}.base64-mode-btn.active{color:#fff;background:linear-gradient(135deg,#10b981 0%,#059669 100%);box-shadow:0 4px 12px #10b98133}.base64-urlsafe-label{cursor:pointer;color:#ffffff80;background:#ffffff08;border:1px solid #ffffff0d;border-radius:10px;align-items:center;gap:8px;padding:6px 12px;font-size:.75rem;font-weight:600;transition:all .2s;display:flex}.base64-urlsafe-label:hover{color:#fff;background:#ffffff0f}.base64-urlsafe-checkbox{accent-color:#10b981}.base64-upload-btn{color:#fffc;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;align-items:center;gap:8px;padding:8px 16px;font-size:.75rem;font-weight:700;transition:all .3s;display:inline-flex}.base64-upload-btn:hover{color:#fff;background:#ffffff1a;border-color:#fff3;transform:translateY(-1px)}.base64-card{-webkit-backdrop-filter:blur(25px);background:#0d1426a6;border:1px solid #ffffff14;border-radius:24px;position:relative;overflow:hidden;box-shadow:0 30px 60px -15px #000c,inset 0 1px #ffffff0d}.base64-card:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle at 0 0,#6366f10f 0%,#0000 40%),radial-gradient(circle at 100% 100%,#10b9810f 0%,#0000 40%);position:absolute;inset:0}.base64-main-grid{z-index:1;background:#080c1873;grid-template-columns:1fr 1fr;height:650px;display:grid;position:relative}.base64-main-grid:after{content:"";z-index:5;background:linear-gradient(#0000,#ffffff0d,#0000);width:1px;position:absolute;top:50px;bottom:50px;left:50%}.base64-editor-container{flex-direction:column;min-width:0;height:100%;display:flex;overflow:hidden}.base64-editor-header,.base64-output-header{background:#ffffff04;border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;min-height:48px;display:flex}.base64-editor-label{color:#ffffff40;text-transform:uppercase;letter-spacing:.15em;padding:12px 20px;font-size:.7rem;font-weight:800}.base64-tags-wrapper{gap:8px;padding-right:16px;display:flex}.base64-mime-tag,.base64-ext-tag{letter-spacing:.05em;border-radius:6px;padding:3px 8px;font-size:.6rem;font-weight:800}.base64-mime-tag{color:#10b981;background:#10b9811a;border:1px solid #10b98133}.base64-ext-tag{color:#fff6;background:#ffffff0d;border:1px solid #ffffff1a}.base64-editor-wrapper{background:#080c1833;flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.base64-codemirror-fix{flex:1;height:100%}.cm-editor{background:0 0!important;height:100%!important;font-family:JetBrains Mono,monospace!important}.cm-scroller{overflow:auto!important}.cm-gutters{color:#fff3!important;background:#080c1859!important;border-right:1px solid #ffffff0a!important}.cm-editor .cm-activeLineGutter{background-color:#ffffff0d!important}.cm-editor .cm-activeLine{background-color:#ffffff05!important}.cm-content{font-size:13px!important}.base64-format-tabs-wrapper{background:#080c1859;border-bottom:1px solid #ffffff0a;justify-content:space-between;align-items:center;min-height:46px;padding:0 16px;display:flex}.base64-format-tabs{gap:4px;display:flex}.base64-format-tab-btn{color:#ffffff4d;cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 12px;font-size:.65rem;font-weight:700;transition:all .2s}.base64-format-tab-btn.active{color:#10b981;border-bottom-color:#10b981}.base64-action-buttons{gap:8px;display:flex}.base64-small-action-btn{color:#ffffffb3;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;padding:4px 10px;font-size:.65rem;font-weight:800;transition:all .2s}.base64-small-action-btn:hover{color:#fff;background:#ffffff1a}.base64-copy-btn{color:#10b981;background:#10b9810d;border-color:#10b98133}.base64-drag-overlay{z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#050508e6;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.base64-drag-icon{background:linear-gradient(135deg,#10b981,#059669);border-radius:20px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 15px;display:flex;box-shadow:0 0 30px #10b9814d}.base64-drag-text{color:#fff;letter-spacing:.1em;font-size:1.1rem;font-weight:800}.base64-decode-overlay{-webkit-backdrop-filter:blur(2px);z-index:10;background:#0000004d;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.base64-download-main-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#10b981 0%,#059669 100%);border:none;border-radius:12px;align-items:center;gap:10px;padding:12px 24px;font-weight:800;transition:all .3s;display:flex;box-shadow:0 10px 20px #0006}.base64-download-main-btn:hover{transform:translateY(-2px);box-shadow:0 15px 30px #10b98133}.base64-preview-card{background:#ffffff03;border-top:1px solid #ffffff0d;flex-direction:column;align-items:stretch;padding:0;display:flex}.base64-preview-label{color:#fff3;text-transform:uppercase;letter-spacing:.15em;border-bottom:1px solid #ffffff08;padding:12px 20px;font-size:.7rem;font-weight:800}.base64-preview-img{border:1px solid #ffffff1a;border-radius:12px;max-width:100%;max-height:500px;box-shadow:0 20px 40px #00000080}.base64-preview-pdf{background:#fff;border:1px solid #ffffff1a;border-radius:12px;width:100%;height:600px;box-shadow:0 20px 40px #00000080}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:#ffffff0d;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff1a}.base64-binary-card{text-align:center;background:#ffffff03;border-top:1px solid #ffffff0d;padding:40px 20px}@media (max-width:850px){.base64-main-grid{grid-template-columns:1fr;height:auto}.base64-main-grid:after{display:none}.base64-editor-container{height:400px}.base64-controls{flex-direction:column;align-items:stretch}.base64-upload-wrapper{margin-left:0}}.hidden{display:none!important}