:root{--bg-primary: #f0f4f8;--bg-secondary: #ffffff;--bg-tertiary: #e2e8f0;--bg-elevated: #ffffff;--bg-hover: #f7fafc;--text-primary: #2d3748;--text-secondary: #718096;--text-muted: #a0aec0;--accent: #667eea;--accent-hover: #5a67d8;--accent-glow: rgba(102, 126, 234, .25);--accent-light: #ebf4ff;--success: #68d391;--warning: #f6ad55;--danger: #fc8181;--info: #63b3ed;--border: #e2e8f0;--border-hover: #cbd5e0;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .05), 0 1px 2px 0 rgba(0, 0, 0, .03);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-card: 0 2px 5px rgba(0, 0, 0, .02)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}.header{display:flex;align-items:center;justify-content:space-between;padding:0 32px;background:var(--bg-secondary);border-bottom:1px solid var(--border);height:64px;z-index:100;box-shadow:var(--shadow-sm)}.header-left{display:flex;align-items:center;gap:16px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.logo-img{width:36px;height:36px;border-radius:8px;object-fit:cover}.header-nav{display:flex;align-items:center;gap:8px}.nav-link{display:flex;align-items:center;gap:8px;padding:8px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;color:var(--text-secondary);text-decoration:none;transition:all .2s ease;cursor:pointer}.nav-link:hover{color:var(--text-primary);background:var(--bg-hover)}.nav-link.active{color:var(--accent);background:var(--accent-light)}.nav-link svg{flex-shrink:0}.page{height:calc(100vh - 64px);overflow-y:auto}.page.hidden{display:none}.download-page{max-width:640px;margin:0 auto;padding:60px 24px 80px;display:flex;flex-direction:column;align-items:center;gap:40px}.download-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}.download-logo{width:100px;height:100px;border-radius:24px;object-fit:cover;box-shadow:0 8px 32px #667eea33;border:3px solid white}.download-hero h1{font-size:36px;font-weight:800;letter-spacing:-1px;color:var(--accent)}.download-subtitle{font-size:16px;color:var(--text-secondary);line-height:1.6;max-width:460px}.download-card{background:#fff;border-radius:var(--radius-xl);padding:48px 40px;text-align:center;width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:16px}.download-card-icon{width:80px;height:80px;border-radius:20px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:8px}.download-card h2{font-size:22px;font-weight:700}.download-card-desc{font-size:15px;color:var(--text-secondary)}.btn-download{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 40px;border-radius:999px;background:var(--accent);color:#fff;font-size:16px;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #667eea4d;margin-top:8px}.btn-download:hover{transform:translateY(-2px);box-shadow:0 8px 24px #667eea66}.btn-download:active{transform:translateY(0)}.btn-download.disabled{opacity:.5;pointer-events:none;background:var(--bg-tertiary);color:var(--text-muted);box-shadow:none}.download-status{font-size:13px;font-weight:500;color:var(--text-muted)}.download-status.available{color:var(--success)}.download-status.unavailable{color:var(--text-muted)}.download-instructions{background:#fff;border-radius:var(--radius-lg);padding:32px;width:100%;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.download-instructions h3{font-size:16px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.download-instructions ol{padding-left:20px;display:flex;flex-direction:column;gap:12px}.download-instructions li{font-size:14px;color:var(--text-secondary);line-height:1.6}.download-instructions li strong{color:var(--text-primary)}.login-overlay{position:fixed;inset:64px 0 0;background:#f0f4f8f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.login-overlay.active{opacity:1;pointer-events:auto}.login-card{background:#fff;border-radius:var(--radius-xl);padding:48px 40px;width:100%;max-width:400px;text-align:center;box-shadow:var(--shadow-lg);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:16px;transform:scale(.95) translateY(10px);transition:transform .3s cubic-bezier(.16,1,.3,1)}.login-overlay.active .login-card{transform:scale(1) translateY(0)}.login-logo{width:64px;height:64px;border-radius:16px;object-fit:cover;box-shadow:0 4px 12px #667eea26}.login-card h2{font-size:22px;font-weight:700;color:var(--text-primary)}.login-card p{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.login-form{width:100%;display:flex;flex-direction:column;gap:12px}.login-form input{width:100%;padding:14px 18px;border-radius:var(--radius-md);border:2px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:15px;font-family:inherit;outline:none;transition:all .2s;text-align:center;letter-spacing:2px}.login-form input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-glow)}.login-form .btn{padding:14px 24px;font-size:15px}.login-error{font-size:13px;color:var(--danger);font-weight:600}.login-error.hidden{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 20px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit;box-shadow:var(--shadow-sm)}.btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-sm{padding:6px 14px;font-size:12px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 2px 4px var(--accent-glow)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover);box-shadow:0 4px 8px var(--accent-glow)}.btn-icon{padding:8px;width:36px;height:36px;border-radius:var(--radius-sm)}.main-layout{display:flex;height:calc(100vh - 64px)}.sidebar{width:280px;min-width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;box-shadow:4px 0 24px #00000005;z-index:10}.sidebar-section{padding:24px;border-bottom:1px solid var(--border)}.sidebar-section h3{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);margin-bottom:16px}.folder-create{display:flex;gap:8px;margin-bottom:16px;min-width:0}.folder-create .btn{flex-shrink:0}.folder-create input{flex:1;min-width:0;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none;transition:border-color .2s}.folder-create input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 2px var(--accent-glow)}.folder-list{list-style:none;display:flex;flex-direction:column;gap:4px}.folder-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;font-weight:500;color:var(--text-secondary);transition:all .2s ease;position:relative;-webkit-user-select:none;user-select:none}.folder-item:hover{background:var(--bg-hover);color:var(--text-primary)}.folder-item.active{background:var(--accent-light);color:var(--accent);font-weight:600}.folder-item .folder-delete{position:absolute;right:12px;opacity:0;color:var(--danger);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s;background:none;border:none;display:flex;align-items:center;justify-content:center}.folder-item .folder-delete:hover{background:#fff5f5}.folder-item:hover .folder-delete{opacity:1}.folder-item .file-count{margin-left:auto;font-size:11px;color:var(--text-muted);background:var(--bg-primary);padding:2px 8px;border-radius:99px;font-weight:600}.folder-item.active .file-count{background:#fff;color:var(--accent)}.sidebar-stats{margin-top:auto;background:var(--bg-primary)}.stat-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;color:var(--text-secondary)}.stat-row span:last-child{font-weight:600;color:var(--text-primary)}.content{flex:1;overflow-y:auto;padding:32px 40px;display:flex;flex-direction:column;gap:24px;background:var(--bg-primary)}.apk-upload-section{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px;box-shadow:var(--shadow-sm)}.apk-upload-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.apk-upload-header h3{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text-primary)}.apk-upload-header h3 svg{color:var(--accent)}.apk-current{font-size:13px;font-weight:500;color:var(--text-muted);padding:4px 12px;border-radius:999px;background:var(--bg-primary)}.apk-current.uploaded{color:var(--success);background:#f0fff4}.btn-remove-apk{display:flex;align-items:center;gap:6px;background:transparent;color:var(--danger);border:1px solid var(--danger);padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;margin-left:auto}.btn-remove-apk:hover{background:var(--danger);color:#fff}.btn-remove-apk:disabled{opacity:.5;cursor:not-allowed}.btn-remove-apk.hidden{display:none}.apk-upload-zone{border:2px dashed var(--border);border-radius:var(--radius-md);padding:32px;text-align:center;cursor:pointer;transition:all .3s ease;position:relative;background:var(--bg-primary)}.apk-upload-zone:hover,.apk-upload-zone.dragover{border-color:var(--accent);background:var(--accent-light)}.apk-upload-content{display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.apk-upload-content svg{color:var(--accent);filter:drop-shadow(0 2px 4px var(--accent-glow))}.apk-upload-content p{font-size:15px;font-weight:500;color:var(--text-primary)}.apk-upload-content p strong{color:var(--accent)}.apk-upload-content span{font-size:13px;color:var(--text-muted)}.apk-upload-zone input[type=file]{display:none}.apk-upload-progress{margin-top:16px;padding:16px;background:var(--bg-primary);border-radius:var(--radius-sm)}.apk-upload-progress.hidden{display:none}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-xl);padding:48px;text-align:center;transition:all .3s ease;cursor:pointer;position:relative;background:#fff;box-shadow:var(--shadow-sm)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.upload-zone-content{display:flex;flex-direction:column;align-items:center;gap:12px;pointer-events:none}.upload-zone-content svg{color:var(--accent);margin-bottom:8px;filter:drop-shadow(0 4px 6px var(--accent-glow))}.upload-zone-content p{font-size:18px;font-weight:600;color:var(--text-primary)}.upload-zone-content span{font-size:14px;color:var(--text-secondary)}.upload-zone-content span strong{color:var(--accent)}.upload-zone input[type=file]{display:none}.upload-folder-select{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:24px;font-size:14px;color:var(--text-secondary);pointer-events:auto}.upload-folder-select select{padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:14px;font-family:inherit;cursor:pointer;outline:none;transition:all .2s;min-width:150px}.upload-folder-select select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.upload-progress{padding:20px 24px;background:#fff;border-radius:var(--radius-md);border:1px solid var(--border);box-shadow:var(--shadow-md)}.upload-progress.hidden{display:none}.progress-bar{width:100%;height:8px;background:var(--bg-primary);border-radius:4px;overflow:hidden;margin-bottom:12px}.progress-fill{height:100%;width:0%;background:var(--accent);border-radius:4px;transition:width .3s ease;box-shadow:0 2px 4px var(--accent-glow)}#progress-text,#apk-progress-text{font-size:13px;font-weight:500;color:var(--text-secondary)}.admin-config-section{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px;box-shadow:var(--shadow-sm)}.admin-config-section h3{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--text-secondary);margin-bottom:16px}.admin-config-section h3 svg{color:var(--text-muted)}.server-config{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-secondary)}.server-config label{white-space:nowrap;font-weight:500}.server-config input{flex:1;padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:13px;font-family:SF Mono,Fira Code,monospace;outline:none;transition:all .2s;box-shadow:inset 0 1px 2px #00000008}.server-config input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);background:#fff}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:24px;padding-bottom:40px}.image-card{position:relative;border-radius:var(--radius-md);overflow:hidden;background:#fff;border:1px solid var(--border);transition:all .3s cubic-bezier(.4,0,.2,1);aspect-ratio:1;box-shadow:var(--shadow-card)}.image-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.image-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}.image-card:hover img{transform:scale(1.05)}.image-card .image-overlay{position:absolute;bottom:0;left:0;right:0;padding:16px;background:#0000008c;display:flex;align-items:flex-end;justify-content:space-between;opacity:0;transition:opacity .2s ease}.image-card:hover .image-overlay{opacity:1}.image-overlay .image-name{font-size:12px;color:#fff;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%;text-shadow:0 1px 2px rgba(0,0,0,.3)}.image-overlay .image-delete{background:#fff;border:none;color:var(--danger);cursor:pointer;padding:6px;border-radius:6px;font-size:14px;transition:all .2s;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0003}.image-overlay .image-delete:hover{transform:scale(1.1);background:#fff5f5}.image-card .image-folder-tag{position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600;background:#ffffffe6;color:var(--text-primary);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 4px #0000001a;z-index:2}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px;color:var(--text-muted);gap:16px;background:#fff;border-radius:var(--radius-lg);border:1px dashed var(--border)}.empty-state.hidden{display:none}.empty-state p{font-size:18px;font-weight:600;color:var(--text-primary)}.empty-state span{font-size:14px}.toast-container{position:fixed;top:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:12px}.toast{padding:16px 24px;border-radius:var(--radius-md);background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text-primary);box-shadow:var(--shadow-lg);animation:slideIn .4s cubic-bezier(.16,1,.3,1),fadeOut .3s ease 2.7s forwards;min-width:300px;display:flex;align-items:center;gap:12px}.toast:before{content:"";display:block;width:8px;height:8px;border-radius:50%}.toast.success:before{background:var(--success);box-shadow:0 0 0 3px #68d39133}.toast.error:before{background:var(--danger);box-shadow:0 0 0 3px #fc818133}.toast.info:before{background:var(--info);box-shadow:0 0 0 3px #63b3ed33}@keyframes slideIn{0%{transform:translate(100%) scale(.9);opacity:0}to{transform:translate(0) scale(1);opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0;transform:translateY(-10px)}}.modal-overlay{position:fixed;inset:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .2s ease}.modal-overlay.active{opacity:1;pointer-events:auto}.modal{background:#fff;border-radius:var(--radius-lg);padding:24px;width:90%;max-width:400px;box-shadow:var(--shadow-lg);transform:scale(.95);transition:transform .2s cubic-bezier(.16,1,.3,1)}.modal-overlay.active .modal{transform:scale(1)}.modal-header{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.modal-body{font-size:14px;color:var(--text-secondary);margin-bottom:24px;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:12px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.btn .spinner{margin-right:4px}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:4px;border:2px solid var(--bg-primary)}::-webkit-scrollbar-thumb:hover{background:#a0aec0}@media(max-width:1024px){.header{padding:0 20px}.sidebar{width:220px;min-width:220px}.content{padding:24px}.upload-zone{padding:32px 20px}.download-page{padding:40px 20px 60px}.download-card{padding:36px 28px}.server-config input{width:auto;flex:1}}@media(max-width:640px){body{overflow:auto}.header{padding:0 16px;height:56px}.logo{font-size:16px;gap:8px}.logo-img{width:28px;height:28px;border-radius:6px}.header-nav{gap:4px}.nav-link{padding:6px 12px;font-size:13px;gap:6px}.nav-link svg{width:16px;height:16px}.page{height:auto;min-height:calc(100vh - 56px)}.download-page{padding:32px 16px 60px;gap:28px}.download-logo{width:72px;height:72px;border-radius:18px}.download-hero h1{font-size:26px}.download-subtitle{font-size:14px}.download-card{padding:28px 20px;border-radius:var(--radius-lg)}.download-card-icon{width:60px;height:60px;border-radius:14px}.download-card-icon svg{width:32px;height:32px}.download-card h2{font-size:18px}.btn-download{padding:12px 32px;font-size:15px;width:100%}.download-instructions{padding:24px 20px}.download-instructions h3{font-size:15px}.login-overlay{top:56px;padding:20px}.login-card{padding:32px 24px;border-radius:var(--radius-lg)}.login-logo{width:52px;height:52px}.login-card h2{font-size:20px}.main-layout{flex-direction:column;height:auto;min-height:calc(100vh - 56px)}.sidebar{width:100%;min-width:100%;max-height:none;border-right:none;border-bottom:1px solid var(--border);box-shadow:none}.sidebar-section{padding:16px}.sidebar-stats{display:none}.folder-list{flex-direction:row;flex-wrap:wrap;gap:6px}.folder-item{padding:8px 12px;font-size:13px;gap:8px;border-radius:999px;background:var(--bg-primary)}.folder-item.active{background:var(--accent-light)}.folder-item .folder-delete{position:static;opacity:1;padding:2px}.folder-item .file-count{margin-left:0;padding:1px 6px;font-size:10px}.folder-create{margin-bottom:12px}.content{padding:16px;gap:16px}.apk-upload-section{padding:16px}.apk-upload-header{flex-direction:column;align-items:flex-start;gap:8px}.apk-upload-zone{padding:24px 16px}.upload-zone{padding:28px 16px;border-radius:var(--radius-lg)}.upload-zone-content svg{width:36px;height:36px}.upload-zone-content p{font-size:15px}.upload-zone-content span{font-size:13px}.upload-folder-select{flex-direction:column;gap:8px;margin-top:16px}.upload-folder-select select{width:100%;min-width:auto}.image-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;padding-bottom:24px}.empty-state{padding:48px 20px}.empty-state svg{width:48px;height:48px}.empty-state p{font-size:16px}.admin-config-section{padding:16px}.server-config{flex-direction:column;align-items:stretch;gap:8px}.server-config input{width:100%}.toast-container{inset:auto 16px 16px}.toast{min-width:auto;width:100%}.modal{width:95%;padding:20px}}