.subreddit-analyzer-form {
    max-width: 600px;
    margin: 2em auto;
    padding: 2em;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subreddit-analyzer-form .form-group {
    margin-bottom: 1.5em;
}

.subreddit-analyzer-form label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 600;
    color: #333;
}

.subreddit-analyzer-form input[type="text"] {
    width: 100%;
    padding: 0.8em;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1em;
}

.subreddit-analyzer-form button {
    width: 100%;
    padding: 1em;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease;
}

.subreddit-analyzer-form button:hover {
    background: #005177;
}

.subreddit-analyzer-results {
    margin-top: 2em;
    padding: 1.5em;
    background: #f9f9f9;
    border-radius: 4px;
    border: 1px solid #eee;
}

.subreddit-analyzer-results h3 {
    margin-top: 0;
    color: #333;
    border-bottom: 2px solid #0073aa;
    padding-bottom: 0.5em;
}

.subreddit-analyzer-results h4 {
    color: #444;
    margin: 1.5em 0 0.5em;
}

/* Heatmap styles */
.heatmap {
    margin: 1em 0;
    padding: 1em;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.heatmap-title {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 1em;
    color: #333;
}

.day-heatmap {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 2em;
}

.hour-heatmap {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8em;
    color: #fff;
    transition: transform 0.2s ease;
}

.heatmap-cell:hover {
    transform: scale(1.1);
}

.heatmap-legend {
    display: flex;
    justify-content: center;
    margin-top: 1em;
    gap: 1em;
    font-size: 0.8em;
    color: #666;
}

.heatmap-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5em;
}

.heatmap-legend-color {
    width: 1em;
    height: 1em;
    border-radius: 2px;
}

.intensity-0 { background-color: #ebedf0; color: #666; }
.intensity-1 { background-color: #9be9a8; }
.intensity-2 { background-color: #40c463; }
.intensity-3 { background-color: #30a14e; }
.intensity-4 { background-color: #216e39; }

.subreddit-analyzer-loading {
    text-align: center;
    padding: 2em;
}

.subreddit-analyzer-loading .spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0073aa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1em;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.subreddit-analyzer-error {
    margin-top: 1em;
    padding: 1em;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
}

/* reCAPTCHA container */
.g-recaptcha {
    margin-bottom: 1em;
}