:root{--tg-theme-bg-color: #1a1a1a;--tg-theme-text-color: #ffffff;--tg-theme-hint-color: #888888;--tg-theme-link-color: #4a9eff;--tg-theme-button-color: #4a9eff;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #2a2a2a;--border-color: #333333;--success-color: #4ade80;--danger-color: #f87171}*{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-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:400px;margin:0 auto;padding:20px;width:100%;display:flex;flex-direction:column;align-items:center}.header{padding:60px 20px 20px;text-align:center;background-color:transparent}.header h1{font-size:28px;font-weight:700;margin-bottom:8px;color:var(--tg-theme-text-color)}.nav{display:flex;gap:4px;padding:0 20px 20px;justify-content:center}.nav-button{padding:12px 20px;border:none;border-radius:20px;background-color:transparent;color:var(--tg-theme-hint-color);cursor:pointer;font-size:16px;font-weight:500;transition:all .3s ease}.nav-button:hover{background-color:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color)}.nav-button.active{background-color:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.button{padding:16px 32px;border:none;border-radius:24px;background-color:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;min-width:140px}.button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #4a9eff4d}.button:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.button-secondary{background-color:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color)}.button-danger{background-color:var(--danger-color);color:#fff}.button-success{background-color:var(--success-color);color:#fff}.input{width:100%;padding:16px;border:2px solid var(--border-color);border-radius:16px;font-size:16px;background-color:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);transition:border-color .3s ease}.input:focus{outline:none;border-color:var(--tg-theme-button-color)}.card{background-color:var(--tg-theme-secondary-bg-color);border:1px solid var(--border-color);border-radius:20px;padding:24px;margin-bottom:16px;width:100%}.loading{display:flex;justify-content:center;align-items:center;padding:60px 20px;font-size:18px;color:var(--tg-theme-hint-color)}.error{color:var(--danger-color);padding:16px;background-color:#f871711a;border-radius:16px;margin-bottom:20px;text-align:center;border:1px solid rgba(248,113,113,.2)}.empty-state{text-align:center;padding:60px 20px;color:var(--tg-theme-hint-color)}.empty-state p{font-size:18px;margin-bottom:8px}.empty-state p:last-child{font-size:16px;opacity:.8}.list{list-style:none;width:100%}.list-item{padding:20px;border-bottom:1px solid var(--border-color);background-color:var(--tg-theme-secondary-bg-color);border-radius:16px;margin-bottom:12px}.list-item:last-child{border-bottom:none;margin-bottom:0}.tag{display:inline-block;padding:8px 16px;border-radius:20px;font-size:14px;font-weight:500;background-color:var(--tg-theme-secondary-bg-color);margin-right:8px;margin-bottom:8px;border:1px solid var(--border-color)}.tag.income{background-color:#4ade8033;color:var(--success-color);border-color:#4ade804d}.tag.expense{background-color:#f8717133;color:var(--danger-color);border-color:#f871714d}