:root{--color-pink: #FFC4C4;--color-green: #BCECCF;--color-yellow: #FFF5BA;--color-black: #1a1a1a;--color-dark-gray: #444;--color-white: #ffffff;--btn-green: #38b000;--whatsapp-green: #25D366}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;background-color:var(--color-white);color:var(--color-black);overflow-x:hidden}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:#fff;padding:40px;border-radius:20px;width:90%;max-width:450px;position:relative;box-shadow:0 20px 60px #0000004d;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:15px;right:15px;background:none;border:none;font-size:2rem;cursor:pointer;color:var(--color-dark-gray);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .3s}.modal-close:hover{background:#f0f0f0}.modal-content h2{margin-bottom:10px;font-size:1.8rem;color:var(--color-black)}.modal-subtitle{color:var(--color-dark-gray);margin-bottom:30px;font-size:.95rem}.tab-switcher{display:flex;gap:10px;margin-bottom:30px;background:#f5f5f5;padding:5px;border-radius:12px}.tab-switcher button{flex:1;padding:12px;border:none;background:transparent;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s;color:var(--color-dark-gray)}.tab-switcher button.active{background:#fff;color:var(--color-black);box-shadow:0 2px 8px #0000001a}.modal-content .form-group{margin-bottom:20px}.modal-content .form-group label{display:block;margin-bottom:8px;font-weight:600;font-size:.9rem;color:var(--color-dark-gray)}.modal-content .form-group input{width:100%;padding:12px 15px;border:2px solid #eee;border-radius:12px;font-family:Poppins,sans-serif;font-size:1rem;transition:border-color .3s;background-color:#fcfcfc}.modal-content .form-group input:focus{outline:none;border-color:var(--color-black);background-color:#fff}.password-hint{display:block;margin-top:5px;font-size:.85rem;color:var(--color-dark-gray)}.error-message{background:#fee;color:#c00;padding:12px;border-radius:8px;margin-bottom:15px;font-size:.9rem}.success-message{background:#efe;color:var(--btn-green);padding:12px;border-radius:8px;margin-bottom:15px;font-size:.9rem}.modal-content .submit-btn{width:100%;padding:15px;background-color:var(--color-black);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s}.modal-content .submit-btn:hover:not(:disabled){background-color:#333;transform:scale(1.02)}.modal-content .submit-btn:disabled{opacity:.6;cursor:not-allowed}.modal-footer{margin-top:20px;text-align:center;font-size:.9rem;color:var(--color-dark-gray)}.link-button{background:none;border:none;color:var(--color-black);font-weight:600;cursor:pointer;text-decoration:underline;padding:0;font-size:inherit}.link-button:hover{opacity:.7}nav{display:flex;justify-content:space-between;align-items:center;padding:20px 5%;position:fixed;top:0;width:100%;z-index:1000;background:#ffffffe6;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.nav-left{flex:1;display:flex;align-items:center;gap:10px}.nav-btn{display:flex;align-items:center;gap:8px;padding:10px 16px;background-color:var(--color-black);color:#fff;border:none;border-radius:10px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s;font-family:Poppins,sans-serif}.nav-btn:hover{background-color:#333;transform:translateY(-2px)}.nav-btn.admin{background-color:#444}.nav-btn.admin:hover{background-color:#555}.nav-btn span{display:none}.logo{font-weight:700;font-size:1.5rem;letter-spacing:2px;text-transform:uppercase;display:flex;align-items:center;gap:10px;position:absolute;left:50%;transform:translate(-50%);cursor:pointer;transition:opacity .3s;padding:20px}.logo-image{height:75px;padding:8px}.logo:hover{opacity:.7}.logo-icon{width:30px;height:30px;border:2px solid black;border-radius:5px 5px 15px 15px}.login-section{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.9rem;font-weight:500;color:var(--color-black);transition:opacity .3s}.login-section:hover{opacity:.7}.login-section span{display:none}@media(min-width:768px){.login-section span,.nav-btn span{display:inline}}.hero-text{text-align:center;margin-bottom:50px;z-index:2}.hero-image{max-width:300px;width:100%;height:auto;margin-bottom:30px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.hero-text h1{font-size:3rem;line-height:1.2;margin-bottom:15px}.hero-text p{color:var(--color-dark-gray);font-size:1.1rem}@media(max-width:768px){.hero-image{max-width:200px}.hero-text h1{font-size:2rem}}.warranty-card{background:#fffffff2;padding:40px;border-radius:30px;box-shadow:0 20px 60px #0000001a;width:100%;max-width:500px;position:relative;z-index:10;transition:transform .3s ease}.warranty-card:hover{transform:translateY(-5px)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;font-size:.9rem;color:var(--color-dark-gray)}.form-group input,.form-group select{width:100%;padding:12px 15px;border:2px solid #eee;border-radius:12px;font-family:Poppins,sans-serif;font-size:1rem;transition:border-color .3s;background-color:#fcfcfc}.form-group input:focus{outline:none;border-color:var(--color-black);background-color:#fff}.form-group input.error,.form-group select.error{border-color:#f44;background-color:#fff5f5}.field-error{display:block;color:#f44;font-size:.85rem;margin-top:5px;font-weight:500}button.submit-btn{width:100%;padding:15px;background-color:var(--color-black);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s,opacity .3s}button.submit-btn:hover:not(:disabled){background-color:#333;transform:scale(1.02)}button.submit-btn:disabled{cursor:not-allowed;background-color:#999}.success-message{text-align:center;color:var(--btn-green);margin-top:20px;font-weight:600}.error-message{background:#fee;color:#c00;padding:12px;border-radius:8px;font-size:.9rem;text-align:center}.optional{font-weight:400;color:var(--color-dark-gray);font-size:.85rem}.file-input{padding:10px 12px!important;cursor:pointer}.file-input::-webkit-file-upload-button{padding:8px 16px;background-color:var(--color-black);color:#fff;border:none;border-radius:8px;cursor:pointer;font-family:Poppins,sans-serif;font-weight:600;margin-right:12px}.file-input::-webkit-file-upload-button:hover{background-color:#333}.file-hint{display:block;margin-top:6px;font-size:.8rem;color:var(--color-dark-gray)}.image-preview{margin-top:15px;position:relative;border-radius:12px;overflow:hidden;border:2px solid #eee}.image-preview img{width:100%;max-height:200px;object-fit:contain;display:block;background:#f9f9f9}.remove-image{position:absolute;top:10px;right:10px;background:#f00c;color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.85rem;font-weight:600;transition:background .3s}.remove-image:hover{background:#c80000e6}.file-selected{margin-top:10px;padding:12px;background:#f0f0f0;border-radius:8px;display:flex;justify-content:space-between;align-items:center;font-size:.9rem}.remove-file{background:#f44;color:#fff;border:none;padding:4px 10px;border-radius:4px;cursor:pointer;font-weight:600}.remove-file:hover{background:#c00}.upload-progress{margin-top:15px;margin-bottom:15px}.progress-bar{width:100%;height:8px;background:#eee;border-radius:10px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:var(--btn-green);transition:width .3s ease}.progress-text{display:block;text-align:center;font-size:.85rem;color:var(--color-dark-gray);font-weight:600}.serial-number-row{display:flex;gap:10px;align-items:center;margin-bottom:10px}.serial-number-row input{flex:1;margin-bottom:0}.remove-serial-btn{background-color:#f44;color:#fff;border:none;border-radius:8px;width:40px;height:40px;cursor:pointer;font-size:1.2rem;font-weight:600;transition:background .3s,transform .2s;flex-shrink:0}.remove-serial-btn:hover{background-color:#c00;transform:scale(1.05)}.add-serial-btn{width:100%;padding:12px;background-color:#f0f0f0;color:var(--color-black);border:2px dashed #ccc;border-radius:12px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s;margin-top:5px}.add-serial-btn:hover{background-color:#e8e8e8;border-color:var(--color-black)}.background-shapes{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none}.shape{position:absolute;border-radius:50%;opacity:.8;will-change:transform}.shape-pink{background-color:var(--color-pink);width:600px;height:600px;top:-200px;left:-100px}.shape-green{background-color:var(--color-green);width:500px;height:500px;top:100px;right:-150px}.shape-yellow{background-color:var(--color-yellow);width:300px;height:300px;bottom:10%;left:10%}@media(max-width:768px){.shape-pink{width:300px;height:300px;left:-50px}.shape-green{width:250px;height:250px;right:-50px}}.my-warranties-container{max-width:1400px;margin:0 auto;padding:120px 20px 50px;min-height:100vh}.my-warranties-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;flex-wrap:wrap;gap:20px}.my-warranties-header h1{font-size:2.5rem;margin-bottom:10px;color:var(--color-black)}.auth-required{text-align:center;padding:80px 20px}.auth-required h2{font-size:2rem;margin-bottom:15px;color:var(--color-black)}.auth-required p{font-size:1.1rem;color:var(--color-dark-gray);margin-bottom:30px}.login-btn{padding:15px 30px;background-color:var(--color-black);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s}.login-btn:hover{background-color:#333;transform:scale(1.02)}.no-warranties-card{background:#fff;padding:60px 40px;border-radius:20px;box-shadow:0 4px 20px #00000014;text-align:center}.empty-state svg{color:var(--color-dark-gray);margin-bottom:20px;opacity:.5}.empty-state h3{font-size:1.5rem;margin-bottom:10px;color:var(--color-black)}.empty-state p{color:var(--color-dark-gray);margin-bottom:30px;font-size:1rem}.register-btn{padding:15px 30px;background-color:var(--color-black);color:#fff;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s}.register-btn:hover{background-color:#333;transform:scale(1.02)}.warranty-card-user{background:#fff;padding:25px;border-radius:20px;box-shadow:0 4px 20px #00000014;transition:transform .3s,box-shadow .3s;border:1px solid #f0f0f0}.warranty-card-user:hover{transform:translateY(-5px);box-shadow:0 8px 30px #0000001f}.warranty-header h3{font-size:1.3rem;color:var(--color-black);margin:0}.warranty-details{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.warranty-status{padding-top:15px;border-top:1px solid #f0f0f0;text-align:center}.proof-section{margin-top:20px;padding-top:15px;border-top:1px solid #f0f0f0}@media(max-width:768px){.my-warranties-header h1{font-size:2rem}.warranties-grid{grid-template-columns:1fr}.my-warranties-header{flex-direction:column;align-items:stretch}.back-btn{width:100%}.detail-row{flex-direction:column;align-items:flex-start}.detail-row .label{min-width:auto}.detail-row .value{text-align:left}.no-warranties-card{padding:40px 20px}}.admin-container{max-width:1400px;margin:0 auto;padding:120px 20px 50px;min-height:100vh}.admin-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;flex-wrap:wrap;gap:20px}.admin-header h1{font-size:2.5rem;margin-bottom:10px;color:var(--color-black)}.subtitle{color:var(--color-dark-gray);font-size:1rem}.back-btn{padding:12px 24px;background-color:var(--color-black);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s}.back-btn:hover{background-color:#333;transform:translateY(-2px)}.search-section{margin-bottom:30px}.search-input{width:100%;max-width:500px;padding:15px 20px;border:2px solid #eee;border-radius:12px;font-family:Poppins,sans-serif;font-size:1rem;transition:border-color .3s;background-color:#fff}.search-input:focus{outline:none;border-color:var(--color-black)}.loading{text-align:center;padding:100px 20px;font-size:1.2rem;color:var(--color-dark-gray)}.error-message{background:#fee;color:#c00;padding:15px;border-radius:12px;margin-bottom:30px;text-align:center}.warranties-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:25px}.no-warranties{grid-column:1 / -1;text-align:center;padding:60px 20px;color:var(--color-dark-gray);font-size:1.1rem}.warranty-card-admin{background:#fff;padding:25px;border-radius:20px;box-shadow:0 4px 20px #00000014;transition:transform .3s,box-shadow .3s;border:1px solid #f0f0f0}.warranty-card-admin:hover{transform:translateY(-5px);box-shadow:0 8px 30px #0000001f}.warranty-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;gap:10px}.warranty-header h3{font-size:1.3rem;color:var(--color-black);margin:0;word-break:break-word}.serial-badge{background:var(--color-black);color:#fff;padding:6px 12px;border-radius:8px;font-size:.85rem;font-weight:600;white-space:nowrap}.warranty-details{display:flex;flex-direction:column;gap:12px}.detail-row{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.detail-row .label{font-weight:600;color:var(--color-dark-gray);font-size:.9rem;min-width:140px}.detail-row .value{color:var(--color-black);font-size:.9rem;text-align:right;word-break:break-word}.warranty-status-admin{margin-top:20px;padding-top:15px;border-top:1px solid #f0f0f0}.status-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.status-badge{display:inline-block;padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:600}.status-badge.active{background:#e8f5e9;color:var(--btn-green)}.status-badge.expiring{background:#fff3cd;color:#856404}.status-badge.expired{background:#f8d7da;color:#721c24}.status-badge.void{background:#e0e0e0;color:#555}.toggle-btn{padding:8px 16px;border:none;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background .3s,transform .2s;font-family:Poppins,sans-serif}.toggle-btn.deactivate{background:#f8d7da;color:#721c24}.toggle-btn.deactivate:hover{background:#f5c6cb;transform:scale(1.05)}.toggle-btn.activate{background:#e8f5e9;color:var(--btn-green)}.toggle-btn.activate:hover{background:#d4edda;transform:scale(1.05)}.proof-section{margin-top:20px;padding-top:15px;border-top:1px solid #f0f0f0;margin-bottom:15px}.proof-section h4{font-size:.9rem;color:var(--color-dark-gray);margin-bottom:10px;font-weight:600}.proof-link{display:block;text-decoration:none;border-radius:12px;overflow:hidden;border:2px solid #eee;transition:transform .3s,box-shadow .3s}.proof-link:hover{transform:scale(1.02);box-shadow:0 4px 12px #0000001a}.proof-image{width:100%;max-height:200px;object-fit:cover;display:block}.pdf-preview{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;background:#f9f9f9;color:var(--color-black)}.pdf-icon{font-size:3rem;margin-bottom:10px}.pdf-preview span:last-child{font-weight:600;font-size:.9rem}@media(max-width:768px){.admin-header h1{font-size:2rem}.warranties-grid{grid-template-columns:1fr}.admin-header{flex-direction:column;align-items:stretch}.back-btn{width:100%}.detail-row{flex-direction:column;align-items:flex-start}.detail-row .label{min-width:auto}.detail-row .value{text-align:left}}.container{max-width:1200px;margin:0 auto;padding:120px 20px 50px;min-height:100vh;display:flex;flex-direction:column;align-items:center}