:root {
    --bg-light: #f5f5f5;
    --bg-dark: #181818;
    --text-light: #181818;
    --text-dark: #f5f5f5;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: system-ui, sans-serif;
    transition: background 0.2s, color 0.2s;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.content {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #d32f2f;
    margin-bottom: 1rem;
}

.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #1976d2;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 1rem;
}

.progress-bar-container {
    width: 300px;
    height: 8px;
    background: #ccc;
    border-radius: 4px;
    margin-bottom: 2rem;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 160px;
    height: 100%;
    background: linear-gradient(90deg, #4f8cff, #1e3a8a);
    border-radius: 4px;
    transition: left 0.01s linear;
}

.message {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 2rem 0;
    animation: pulse 1.2s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}