/* Flash messages */
.flash-error {
    background-color: #fef2f2;
    color: #991b1b;
    padding: 1rem;
    border-radius: var(--pico-border-radius);
    margin-bottom: 1rem;
}

.flash-success {
    background-color: #f0fdf4;
    color: #166534;
    padding: 1rem;
    border-radius: var(--pico-border-radius);
    margin-bottom: 1rem;
}

/* Quiz page */
#quiz-area {
    max-width: none;
}

#result-card {
    display: none;
}

#result-card.visible {
    display: block;
}

#result-card article {
    overflow: visible;
    max-height: none;
}

/* Ensure page content isn't clipped at the bottom */
main.container {
    padding-bottom: 3rem;
}

.score-2 { color: green; }
.score-1 { color: orange; }
.score-0 { color: red; }

/* Word list table */
.mastered {
    opacity: 0.5;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 1rem;
    background: var(--pico-card-background-color);
    border-radius: var(--pico-border-radius);
    border: 1px solid var(--pico-muted-border-color);
}

.stat-card .number {
    font-size: 2rem;
    font-weight: bold;
    display: block;
}

.stat-card .label {
    font-size: 0.85rem;
    color: var(--pico-muted-color);
}

/* Processing spinner */
.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--pico-muted-border-color);
    border-top-color: var(--pico-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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