* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #222222);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    text-align: center;
    width: 100%;
    max-width: 400px;
}

h1 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.user-card {
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 25px;
    text-align: right;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.user-card p {
    margin: 8px 0;
    font-size: 0.95rem;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    background-color: var(--tg-theme-secondary-bg-color, #e2e2e2);
    color: var(--tg-theme-text-color, #000);
    transition: transform 0.1s, opacity 0.2s;
}

.btn:active {
    transform: scale(0.98);
}

.main-btn {
    background-color: var(--tg-theme-button-color, #2481cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    font-weight: bold;
}