.nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--tg-theme-bg-color);border-top:1px solid rgba(0,0,0,.1);padding:8px 0;padding-bottom:max(8px,env(safe-area-inset-bottom));z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;text-decoration:none;color:#8e8e93;transition:color .2s}.nav-item.active{color:var(--tg-theme-button-color)}.nav-icon{font-size:24px}.nav-label{font-size:11px;font-weight:500}:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-button-color: #3390ec;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f4f4f5}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);min-height:100vh;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100vh;padding-bottom:70px}.content{flex:1;padding:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.btn-primary{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.btn-primary:active{transform:scale(.98);opacity:.9}.btn-secondary{background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color)}.btn-success{background:#34c759;color:#fff}.btn-danger{background:#ff3b30;color:#fff}.card{background:var(--tg-theme-secondary-bg-color);border-radius:16px;padding:16px;margin-bottom:12px}.card-title{font-size:14px;color:#8e8e93;margin-bottom:8px}.card-value{font-size:28px;font-weight:700}.page-header{margin-bottom:24px}.page-title{font-size:28px;font-weight:700;margin-bottom:4px}.page-subtitle{font-size:15px;color:#8e8e93}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.actions{display:flex;flex-direction:column;gap:12px}.result{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;min-height:60vh}.result-icon{font-size:64px;margin-bottom:16px}.result-title{font-size:24px;font-weight:700;margin-bottom:8px}.result-subtitle{font-size:16px;color:#8e8e93;margin-bottom:24px}.result-details{background:var(--tg-theme-secondary-bg-color);border-radius:12px;padding:16px;width:100%;max-width:300px;margin-bottom:24px;text-align:left}.result-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.05)}.result-row:last-child{border-bottom:none}.result-label{color:#8e8e93}.scanner-container{position:relative;width:100%;max-width:400px;margin:0 auto;border-radius:16px;overflow:hidden}.scanner-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;border:3px solid var(--tg-theme-button-color);border-radius:16px;pointer-events:none}.manual-input{margin-top:24px}.input-group{margin-bottom:16px}.input-label{display:block;font-size:14px;color:#8e8e93;margin-bottom:8px}.input-field{width:100%;padding:14px 16px;font-size:18px;border:2px solid var(--tg-theme-secondary-bg-color);border-radius:12px;background:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);text-align:center;letter-spacing:2px;text-transform:uppercase}.input-field:focus{outline:none;border-color:var(--tg-theme-button-color)}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:40px;height:40px;border:3px solid var(--tg-theme-secondary-bg-color);border-top-color:var(--tg-theme-button-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}