:root{--primary: #02a8e1;--primary-hover: #0096cb;--primary-light: rgba(2, 168, 225, .08);--primary-glow: rgba(2, 168, 225, .4);--bg-dark: #0f172a;--card-dark: #1e293b;--card-border-dark: rgba(255, 255, 255, .08);--input-bg-dark: #0f172a;--text-dark: #f8fafc;--text-muted-dark: #94a3b8;--bg-light: #f8fafc;--card-light: #ffffff;--card-border-light: rgba(0, 0, 0, .08);--input-bg-light: #ffffff;--text-light: #0f172a;--text-muted-light: #64748b;--success: #22c55e;--error: #ef4444;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-dark);color:var(--text-dark);min-height:100vh;display:flex;flex-direction:column}.site-header{height:64px;padding:0 24px;background-color:#0f172ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border-dark);position:sticky;top:0;z-index:100;display:flex;justify-content:space-between;align-items:center}.header-brand{display:flex;align-items:center;gap:12px;text-decoration:none}.header-nav{display:flex;align-items:center;gap:8px}.nav-btn{background:transparent;border:none;color:var(--text-dark);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.theme-toggle-btn{background-color:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.theme-toggle-btn:hover{background-color:#ffffff26;transform:scale(1.05)}[data-theme=light]{--bg-dark: #f8fafc;--card-dark: #ffffff;--card-border-dark: rgba(0, 0, 0, .08);--input-bg-dark: #ffffff;--text-dark: #0f172a;--text-muted-dark: #64748b}[data-theme=light] body{background-color:#f1f5f9;color:#0f172a}[data-theme=light] .site-header{background-color:#ffffffd9;border-bottom-color:#00000014}[data-theme=light] .app-card{background-color:#fff;border-color:#00000014;box-shadow:0 10px 30px #0000000f}[data-theme=light] .dropzone-container{background-color:#02a8e108;border-color:#02a8e14d}[data-theme=light] .dropzone-title{color:#0f172a}[data-theme=light] .file-item-card{background-color:#f8fafc;border-color:#0000000f}[data-theme=light] .input-field,[data-theme=light] .textarea-field{background-color:#fff;border-color:#00000026;color:#0f172a}[data-theme=light] .accordion-body{background-color:#f8fafc;border-color:#0000000f}[data-theme=light] .share-link-card{background-color:#f8fafc;border-color:#00000014}[data-theme=light] .theme-toggle-btn{background-color:#0000000d;border-color:#0000001a}[data-theme=light] .theme-toggle-btn:hover{background-color:#0000001a}[data-theme=light] .site-footer{background-color:#ffffffd9;border-top-color:#00000014}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 16px 60px}.app-card{width:100%;max-width:580px;background-color:var(--card-dark);border:1px solid var(--card-border-dark);border-radius:24px;padding:32px;box-shadow:0 25px 50px -12px #000000b3,0 0 0 1px #ffffff0d;transition:all .3s ease}.dropzone-container{cursor:pointer;border:2px dashed rgba(2,168,225,.35);border-radius:16px;padding:26px 20px;text-align:center;background-color:#02a8e108;transition:all .3s cubic-bezier(.4,0,.2,1)}.dropzone-container:hover,.dropzone-container.dragging{border-color:var(--primary);background-color:#02a8e114}.dropzone-container.compact{padding:12px 18px;display:flex;align-items:center;justify-content:center;gap:12px;text-align:left;border-style:dashed}.dropzone-container.compact .dropzone-circle{width:34px;height:34px;margin:0;flex-shrink:0}.dropzone-container.compact .dropzone-title{font-size:14px;font-weight:600}.dropzone-circle{width:52px;height:52px;border-radius:50%;background-color:#02a8e133;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:var(--primary);transition:all .3s cubic-bezier(.4,0,.2,1)}.dropzone-title{font-size:18px;font-weight:700;color:var(--text-dark);transition:all .3s ease}.dropzone-subtitle{font-size:12px;color:var(--text-muted-dark);margin-top:4px}.window-drag-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background-color:#0f172ae0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;pointer-events:all;animation:fadeIn .15s ease-out}[data-theme=light] .window-drag-overlay{background-color:#f1f5f9e6}.window-drag-box{width:calc(100% - 64px);height:calc(100% - 64px);max-width:900px;max-height:540px;border:3px dashed var(--primary);border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#02a8e10f;box-shadow:0 0 50px #02a8e140;animation:pulseScale 1.5s infinite alternate ease-in-out;pointer-events:none}.window-drag-icon{width:80px;height:80px;border-radius:50%;background-color:#02a8e133;color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:20px}.window-drag-title{font-size:26px;font-weight:700;color:var(--text-dark);margin-bottom:8px}.window-drag-subtitle{font-size:15px;color:var(--text-muted-dark)}@keyframes pulseScale{0%{transform:scale(.985)}to{transform:scale(1.015)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.dropzone-security-badge{display:inline-flex;align-items:center;gap:6px;margin-top:14px;padding:5px 14px;background-color:#02a8e11a;border:1px solid rgba(2,168,225,.25);border-radius:20px;font-size:11px;font-weight:600;color:var(--primary);letter-spacing:.2px;transition:all .2s ease}.dropzone-container:hover .dropzone-security-badge{background-color:#02a8e133;border-color:var(--primary);transform:translateY(-1px)}.success-e2ee-box{display:flex;align-items:center;justify-content:center;gap:8px;margin:14px auto 0;padding:8px 16px;background-color:#22c55e14;border:1px solid rgba(34,197,94,.25);border-radius:10px;font-size:12px;color:#4ade80;font-weight:500;max-width:480px;line-height:1.4}[data-theme=light] .success-e2ee-box{color:#15803d;background-color:#16a34a14;border-color:#16a34a33}.file-item-card{display:flex;align-items:center;justify-content:space-between;background-color:#ffffff08;border:1px solid rgba(255,255,255,.06);padding:12px 14px;border-radius:12px;margin-bottom:10px;gap:12px}.file-item-info{display:flex;align-items:center;gap:12px;min-width:0;flex:1;overflow:hidden}.file-item-name{font-size:13px;font-weight:600;color:var(--text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;max-width:100%}.file-item-size{font-size:12px;color:var(--text-muted-dark);margin-top:2px}.form-group-custom{margin-top:14px}.form-label-custom{display:block;font-size:13px;font-weight:600;color:var(--text-dark);margin-bottom:6px}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:14px;color:var(--text-muted-dark);display:flex;align-items:center}.input-field{width:100%;padding:12px 14px 12px 42px;background-color:var(--input-bg-dark);border:1px solid rgba(255,255,255,.15);border-radius:12px;color:var(--text-dark);font-size:14px;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}select.input-field,.select-field{padding-left:14px;padding-right:40px!important;cursor:pointer;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2302a8e1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px}[data-theme=light] select.input-field,[data-theme=light] .select-field{background-color:#fff;color:#0f172a}.textarea-field{width:100%;padding:12px 14px;background-color:var(--input-bg-dark);border:1px solid rgba(255,255,255,.15);border-radius:12px;color:var(--text-dark);font-size:14px;outline:none;min-height:70px;resize:vertical;font-family:inherit}.textarea-field:focus{border-color:var(--primary)}.accordion-toggle{background:transparent;border:none;color:var(--text-muted-dark);font-size:12px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;margin-top:12px;padding:4px 0}.accordion-body{background-color:#0f172a99;border-radius:12px;padding:14px;margin-top:10px;border:1px solid rgba(255,255,255,.05)}.badge-row{display:flex;justify-content:center;gap:10px;margin:18px 0 14px}.badge-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.3px}.badge-teal{background-color:#22c55e26;color:#4ade80}.badge-blue{background-color:#02a8e126;color:#38bdf8}.badge-orange{background-color:#f9731626;color:#fb923c}.badge-purple{background-color:#a855f726;color:#c084fc}.btn-fdisk{width:100%;background-color:var(--primary);color:#fff;border:none;border-radius:12px;height:52px;font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 14px var(--primary-glow);transition:all .2s ease}.btn-fdisk:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:0 6px 20px #02a8e199}.btn-fdisk:disabled{background-color:#334155;color:#64748b;cursor:not-allowed;box-shadow:none}.share-completed-circle{width:72px;height:72px;border-radius:50%;background-color:#22c55e26;display:flex;align-items:center;justify-content:center;color:var(--success);margin:0 auto 16px}.share-link-card{background-color:#0f172a;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px;display:flex;align-items:center;justify-content:space-between;margin:16px 0}.share-url-text{font-size:14px;font-weight:600;color:var(--primary);word-break:break-all;text-align:left}.site-footer{margin-top:auto;background-color:#0f172ab3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.08);padding:18px 24px}.footer-container{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}.footer-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.footer-copy{font-size:12px;color:var(--text-muted-dark)}.footer-right{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted-dark);flex-wrap:wrap}.footer-link{color:var(--text-muted-dark);text-decoration:none;transition:color .2s ease}.footer-link:hover{color:var(--primary)}.footer-divider{color:#fff3}.footer-badge{display:inline-flex;align-items:center;gap:4px;color:#86efac;font-size:11px;font-weight:500}.footer-version{padding:2px 6px;background-color:#ffffff0d;border-radius:4px;font-size:11px;color:var(--text-muted-dark)}@media(max-width:640px){.footer-container{flex-direction:column;align-items:center;text-align:center;gap:10px}.footer-left,.footer-right{justify-content:center}}.compression-status-card{background-color:#02a8e114;border:1px solid rgba(2,168,225,.25);border-radius:12px;padding:14px 16px;margin-bottom:16px;display:flex;flex-direction:column;gap:10px;animation:fadeIn .2s ease}.compression-status-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.compression-status-title{font-size:13px;font-weight:600;color:var(--primary);display:flex;align-items:center;gap:8px}.compression-status-percent{font-size:12px;font-weight:700;color:var(--primary)}.compression-progress-bar{width:100%;height:6px;background-color:#ffffff1a;border-radius:3px;overflow:hidden}[data-theme=light] .compression-progress-bar{background-color:#00000014}.compression-progress-fill{height:100%;background-color:var(--primary);transition:width .2s ease}.dropzone-actions-row{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:10px}.dropzone-action-btn{background:none;border:none;color:var(--primary);font-size:12px;font-weight:600;display:flex;align-items:center;gap:4px;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background-color .2s}.dropzone-action-btn:hover{background-color:#02a8e11f}.transfer-mode-selector{display:flex;background-color:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:4px;margin-bottom:18px;gap:4px}[data-theme=light] .transfer-mode-selector{background-color:#0000000a;border-color:#00000014}.transfer-mode-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 12px;border-radius:7px;border:none;background:transparent;color:var(--text-muted-dark);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}[data-theme=light] .transfer-mode-tab{color:var(--text-muted-light)}.transfer-mode-tab:hover{color:var(--text-main-dark);background-color:#ffffff0a}[data-theme=light] .transfer-mode-tab:hover{color:var(--text-main-light);background-color:#00000008}.transfer-mode-tab.active{background-color:var(--primary);color:#fff;font-weight:600;box-shadow:0 2px 8px #02a8e159}.link-mode-notice{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;background-color:#02a8e114;border:1px solid rgba(2,168,225,.2);border-radius:8px;font-size:13px;line-height:1.45;color:#94a3b8;margin-bottom:16px}[data-theme=light] .link-mode-notice{background-color:#02a8e10f;border-color:#02a8e140;color:#475569}.upload-progress-wrapper{padding:12px 0;animation:fadeIn .25s ease-out}.upload-progress-header{text-align:center;margin-bottom:20px}.upload-progress-title{font-size:20px;font-weight:700;margin-bottom:6px;color:var(--text-dark)}[data-theme=light] .upload-progress-title{color:var(--text-light)}.upload-progress-file-info{font-size:13px;color:var(--text-muted-dark);display:flex;align-items:center;justify-content:center;gap:6px;max-width:95%;margin:0 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}[data-theme=light] .upload-progress-file-info{color:var(--text-muted-light)}.upload-main-progress-card{background-color:#ffffff08;border:1px solid var(--card-border-dark);border-radius:16px;padding:18px 20px;margin-bottom:16px}[data-theme=light] .upload-main-progress-card{background-color:#00000005;border-color:var(--card-border-light)}.upload-progress-percent-row{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}.upload-progress-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted-dark)}[data-theme=light] .upload-progress-label{color:var(--text-muted-light)}.upload-progress-percent-val{font-size:28px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1}.upload-progress-track{width:100%;height:10px;background-color:#ffffff1a;border-radius:999px;overflow:hidden;position:relative}[data-theme=light] .upload-progress-track{background-color:#00000014}.upload-progress-bar{height:100%;background:linear-gradient(90deg,#02a8e1,#38bdf8);border-radius:999px;transition:width .15s ease-out;box-shadow:0 0 12px #02a8e180;position:relative}.upload-progress-bar:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,#fff0,#ffffff4d,#fff0);animation:shimmer 1.8s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.upload-metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.upload-metric-card{background-color:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;transition:border-color .2s}[data-theme=light] .upload-metric-card{background-color:#00000005;border-color:#0000000f}.upload-metric-card:hover{border-color:#02a8e14d}.upload-metric-header{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted-dark)}[data-theme=light] .upload-metric-header{color:var(--text-muted-light)}.upload-metric-value{font-size:16px;font-weight:700;color:var(--text-dark);font-variant-numeric:tabular-nums;margin-top:2px}[data-theme=light] .upload-metric-value{color:var(--text-light)}.upload-metric-subtext{font-size:11px;color:var(--primary);font-weight:500;display:flex;align-items:center;gap:4px}.upload-security-footer{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:var(--text-muted-dark);padding:10px 14px;background-color:#02a8e10d;border:1px solid rgba(2,168,225,.15);border-radius:10px}[data-theme=light] .upload-security-footer{color:var(--text-muted-light);background-color:#02a8e10a}