.app{min-height:100vh;display:flex;flex-direction:column}.tabs{display:flex;background:var(--tg-theme-secondary-bg-color, #f1f1f1);border-bottom:1px solid var(--tg-theme-hint-color, #e0e0e0);position:sticky;top:0;z-index:100}.tab{flex:1;padding:12px;background:transparent;border:none;border-bottom:3px solid transparent;color:var(--tg-theme-text-color, #000000);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.tab.active{border-bottom-color:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-color, #3390ec)}.tab:active{opacity:.7}.content{flex:1;padding:16px;overflow-y:auto}.user-info{background:var(--tg-theme-secondary-bg-color, #f1f1f1);padding:8px 16px;text-align:center;font-size:14px;color:var(--tg-theme-text-color, #000000);border-bottom:1px solid var(--tg-theme-hint-color, #e0e0e0)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #000000);min-height:100vh}#root{min-height:100vh}.container{max-width:100%;padding:16px;margin:0 auto}.card{background:var(--tg-theme-secondary-bg-color, #f1f1f1);border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 2px 8px #0000001a}.title{font-size:24px;font-weight:600;margin-bottom:8px;color:var(--tg-theme-text-color, #000000)}.subtitle{font-size:18px;font-weight:500;margin-bottom:12px;color:var(--tg-theme-text-color, #000000)}.text{font-size:14px;color:var(--tg-theme-hint-color, #999999);margin-bottom:8px}.value{font-size:20px;font-weight:600;color:var(--tg-theme-button-color, #3390ec)}.button{background:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-text-color, #ffffff);border:none;border-radius:8px;padding:12px 24px;font-size:16px;font-weight:500;cursor:pointer;width:100%;margin-top:8px;transition:opacity .2s}.button:hover{opacity:.9}.button:active{opacity:.8}.button:disabled{opacity:.5;cursor:not-allowed}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.stat-item{background:var(--tg-theme-bg-color, #ffffff);border-radius:8px;padding:12px;text-align:center}.stat-label{font-size:12px;color:var(--tg-theme-hint-color, #999999);margin-bottom:4px}.stat-value{font-size:20px;font-weight:600;color:var(--tg-theme-text-color, #000000)}.loading{text-align:center;padding:40px;color:var(--tg-theme-hint-color, #999999)}.error{background:#f44;color:#fff;padding:12px;border-radius:8px;margin-bottom:16px}.success{background:#4f4;color:#fff;padding:12px;border-radius:8px;margin-bottom:16px}.history-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--tg-theme-hint-color, #e0e0e0)}.history-item:last-child{border-bottom:none}.history-date{font-size:14px;color:var(--tg-theme-text-color, #000000)}.history-coins{font-size:16px;font-weight:600;color:var(--tg-theme-button-color, #3390ec)}