:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-color: #007AFF;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--text-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 24px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 24px;
    object-fit: cover;
}

h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 32px 0;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    transition: opacity 0.2s;
}

.btn:active {
    opacity: 0.8;
}