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1);border-radius:16px}.navbar-content{background:rgba(18,18,18,.5);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:.8rem 1.5rem;box-shadow:0 10px 30px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}.navbar-brand{position:relative;font-size:2rem;letter-spacing:6px;margin:0;padding:0;background:linear-gradient(to right,var(--primary),var(--secondary),var(--accent));-webkit-background-clip:text;background-clip:text;text-shadow:0 0 20px rgba(153,0,255,.3);transition:.3s;transform-style:preserve-3d;perspective:1000px;text-decoration:none}.navbar-brand:hover{transform:translateZ(10px);text-shadow:0 0 30px rgba(153,0,255,.5)}.back-button{background:0 0;border:none;color:rgba(255,255,255,.8);font-size:1.2rem;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:8px;text-decoration:none}.back-button:hover{color:var(--primary);transform:translateX(-5px)}.main-container{max-width:900px;margin:30px auto;padding:20px;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 15px 35px rgba(0,0,0,.5)}.form-group,.page-title,.section-title{margin-bottom:20px}.page-title{font-size:2rem;background:linear-gradient(to right,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;text-align:center}.section-title{font-size:1.5rem;font-weight:600;margin-top:30px;color:var(--primary);border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:10px}.form-label{display:block;font-size:.9rem;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:8px}.form-control{width:100%;padding:12px 15px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-size:1rem;transition:.3s}.form-control:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 2px rgba(0,255,204,.2)}.form-actions{display:flex;justify-content:flex-end;gap:15px;margin-top:30px}.btn-add-address,.btn-cancel,.btn-save{padding:12px 25px;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:.3s;display:flex;align-items:center;gap:8px;text-decoration:none;justify-content:center}.btn-cancel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff}.address-action-btn:hover,.btn-cancel:hover{background:rgba(255,255,255,.2)}.btn-add-address,.btn-save{background:linear-gradient(135deg,var(--primary),var(--secondary));border:none;color:#fff}.btn-add-address:hover,.btn-save:hover{transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,.3),0 0 10px rgba(0,255,204,.4)}.btn-add-address:disabled,.btn-save:disabled{opacity:.7;cursor:not-allowed;transform:none;box-shadow:none}.address-list{margin-top:20px}.address-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:15px;margin-bottom:15px;display:flex;justify-content:space-between;align-items:center;transition:.3s}.address-item:hover{transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,.2);border-color:var(--primary)}.address-details,.toast-content{flex:1}.address-details p{margin:0;font-size:.95rem;color:rgba(255,255,255,.9)}.address-details .label{font-weight:600;color:var(--primary);margin-right:5px}.address-actions{display:flex;gap:10px;margin-left:20px}.address-action-btn{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#fff;padding:8px 12px;font-size:.85rem;cursor:pointer;transition:.3s}.address-action-btn.delete:hover{background:rgba(255,51,51,.2);border-color:#f33;color:#f33}.alert-message{padding:10px 15px;border-radius:8px;margin-bottom:20px;font-size:.9rem;display:none}.alert-message.show{display:block;animation:.3s forwards fadeIn}.alert-success{background:rgba(0,255,128,.1);border:1px solid #00ff80;color:#00ff80}.alert-error{background:rgba(255,51,51,.1);border:1px solid #f33;color:#f33}.toast-container{position:fixed;bottom:20px;right:20px;z-index:2000}.toast{padding:15px 20px;border-radius:10px;margin-bottom:10px;display:flex;align-items:center;gap:12px;width:300px;box-shadow:0 5px 15px rgba(0,0,0,.3);transform:translateX(100%);opacity:0;transition:.3s}.toast.show{transform:translateX(0);opacity:1}.toast-success{background:rgba(0,255,128,.2);border-left:4px solid #00ff80}.toast-error{background:rgba(255,51,51,.2);border-left:4px solid #f33}.toast-icon{font-size:1.2rem}.toast-success .toast-icon{color:#00ff80}.toast-error .toast-icon{color:#f33}.toast-title{font-size:.95rem;font-weight:600;color:#fff;margin-bottom:2px}.toast-message{font-size:.85rem;color:rgba(255,255,255,.7)}@media (max-width:768px){.navbar-brand,.page-title{font-size:1.5rem}.navbar-xventory{top:10px;width:95%}.navbar-content{padding:.6rem 1rem}.navbar-brand{letter-spacing:3px}.main-container{margin:20px auto;padding:15px}.section-title{font-size:1.2rem}.form-actions{flex-direction:column}.address-item{flex-direction:column;align-items:flex-start;gap:10px}.address-actions{margin-left:0;width:100%;justify-content:flex-end}}