:root{--primary:#818cf8;--bg-color:#0f172a;--surface:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent:#38bdf8;--border:#334155;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);height:100vh;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:.95rem;line-height:1.4;overflow:hidden}button{cursor:pointer;font-family:inherit}.app-layout{width:100vw;height:100vh;display:flex}.sidebar{background-color:var(--surface);border-right:1px solid var(--border);flex-direction:column;width:260px;padding:1.5rem 1rem;display:flex}.sidebar-menu{flex-direction:column;flex:1;gap:.5rem;display:flex}.sidebar-btn{color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;font-weight:500;transition:all .2s;display:flex}.sidebar-btn:hover{color:var(--text-primary);background:#ffffff0d}.sidebar-btn.active{color:var(--primary);border-right:3px solid var(--primary);background:linear-gradient(135deg,#818cf826,#38bdf826);border-radius:8px 0 0 8px}.main-content{flex:1;padding:1.5rem 2.5rem;overflow-y:auto}.header-container{border-bottom:1px solid #ffffff0d;justify-content:flex-end;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.brand{background:linear-gradient(135deg, var(--primary), var(--accent));color:#0000;-webkit-background-clip:text;background-clip:text;align-items:center;gap:.5rem;margin-bottom:2rem;padding:0 .5rem;font-size:1.35rem;font-weight:800;display:flex}.brand img{border-radius:4px;max-width:100%;max-height:48px}.breadcrumb{background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.2rem;padding:.75rem 1rem;font-size:.9rem;display:flex}.breadcrumb-item{color:var(--text-secondary);cursor:pointer;align-items:center;gap:.4rem;transition:color .2s;display:flex}.breadcrumb-item:hover{color:var(--primary)}.breadcrumb-active{color:var(--text-primary);cursor:default}.actions-container{flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem;display:flex}.btn{color:#fff;border:none;border-radius:8px;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--accent))}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #818cf866}.btn-secondary{background:var(--surface);border:1px solid var(--border)}.btn-secondary:hover{background:#ffffff1a}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#dc2626;box-shadow:0 4px 12px #ef444466}.dropzone{border:2px dashed var(--border);text-align:center;cursor:pointer;background:#0000001a;border-radius:12px;margin-bottom:1.5rem;padding:1.5rem;transition:all .2s}.dropzone.active{border-color:var(--primary);background:#818cf80d}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;padding:.5rem 0 3rem;display:grid}.folder-item{aspect-ratio:1;background:var(--surface);cursor:pointer;border:1px solid #ffffff0d;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;transition:all .2s;display:flex;position:relative}.folder-item:hover{border-color:var(--primary);background:#1e293b;transform:translateY(-3px)}.folder-icon{color:#fbbf24;width:48px;height:48px}.folder-name{text-align:center;word-break:break-all;padding:0 .5rem;font-size:.9rem;font-weight:500}.gallery-item{aspect-ratio:1;background:var(--surface);cursor:pointer;border:1px solid #ffffff0d;border-radius:12px;transition:transform .3s;position:relative;overflow:hidden}.gallery-item img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.gallery-item:hover{border-color:#fff3;transform:translateY(-4px)}.gallery-item:hover img{transform:scale(1.05)}.image-overlay{color:#fff;opacity:0;pointer-events:none;background:linear-gradient(#0000,#0f172af2);padding:1.5rem .5rem .5rem;transition:opacity .3s;position:absolute;bottom:0;left:0;right:0}.gallery-item:hover .image-overlay{opacity:1}.filename{word-break:break-all;font-size:.75rem;font-weight:500}.delete-btn{color:#fff;opacity:0;cursor:pointer;z-index:10;background:#ef4444e6;border:none;border-radius:6px;justify-content:center;align-items:center;padding:.4rem;transition:all .2s;display:flex;position:absolute;top:.5rem;right:.5rem;transform:scale(.9)}.gallery-item:hover .delete-btn,.folder-item:hover .delete-btn{opacity:1;transform:scale(1)}.delete-btn:hover{background:#dc2626;transform:scale(1.1)!important}.progress-container{background:var(--surface);border:1px solid var(--primary);color:var(--primary);border-radius:8px;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:1rem;display:flex}.progress-bar-bg{background:#ffffff1a;border-radius:4px;flex:1;height:8px;position:relative;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--primary), var(--accent));height:100%;transition:width .3s}.progress-text{font-size:.85rem;font-weight:600}.auth-container{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:100%;max-width:420px;padding:2.5rem 2rem;box-shadow:0 10px 25px #00000080}.auth-title{text-align:center;margin-bottom:.5rem;font-size:1.5rem}.auth-desc{color:var(--text-secondary);text-align:center;margin-bottom:2rem;font-size:.9rem}.form-group{margin-bottom:1.2rem}.form-label{color:var(--text-secondary);margin-bottom:.4rem;font-size:.85rem;font-weight:500;display:block}.input-field{border:1px solid var(--border);color:#fff;background:#0003;border-radius:8px;width:100%;padding:.75rem 1rem;font-size:.95rem;transition:border-color .2s}.input-field:focus{border-color:var(--primary);outline:none}.captcha-box{border:1px dashed var(--border);background:#0003;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:1.2rem;padding:.8rem;display:flex}.captcha-text{letter-spacing:2px;color:var(--accent);-webkit-user-select:none;user-select:none;font-size:1.2rem;font-weight:800}.captcha-input{text-align:center;width:80px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{opacity:0;animation:.4s forwards fadeIn}.modal-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:100;background:#0f172ad9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:90%;max-width:400px;padding:1.5rem}.modal-title{margin-bottom:1rem;font-size:1.2rem}.modal-actions{justify-content:flex-end;gap:.75rem;margin-top:1rem;display:flex}.image-viewer{flex-direction:column;justify-content:center;align-items:center;width:90%;height:90%;display:flex;position:relative}.image-viewer img{object-fit:contain;border-radius:8px;max-width:100%;max-height:90vh;box-shadow:0 20px 40px #0009}.close-viewer-btn{color:#fff;cursor:pointer;background:0 0;border:none;padding:1rem;font-size:2rem;transition:color .2s;position:absolute;top:-2rem;right:-2rem}.close-viewer-btn:hover{color:var(--primary);transform:scale(1.1)}@media (width<=768px){.close-viewer-btn{top:-3rem;right:0}}