* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background: var(--gradient-page);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0.5rem;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 2rem 1.5rem;
    margin-bottom: 1rem;
}

h1 {
    color: var(--color-heading);
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.source-info {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.congratulations-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    text-align: center;
}

.hidden {
    display: none;
}

@media (max-width: 640px) {
    .container { padding: 0.25rem; }
    h1 { font-size: 1.5rem; }
    .subtitle { font-size: 0.75rem; }
    .source-info { font-size: 0.75rem; }
    .card { padding: 1.5rem 1rem; }
    .congratulations-title { font-size: 1.5rem; }
    .section-title { font-size: 1.25rem; }
}