:root {
    --bg: #0d0d12;
    --surface: #16161f;
    --border: rgba(255, 255, 255, 0.07);
    --accent: #7c6cfc;
    --text: #f0eff8;
    --muted: #7a7a9a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: max(0px, calc(var(--tg-content-safe-area-inset-top, 0px) + var(--tg-safe-area-inset-top, 0px)));
    padding-bottom: max(0px, env(safe-area-inset-bottom, 0px));
}

.app-header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    text-align: center;
}

.app-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
}

.app-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.welcome-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    margin-bottom: 16px;
}

.welcome-card p {
    color: var(--text);
    font-size: 16px;
}