:root {
    --primary-color: #ff0000;
    --primary-hover: #cc0000;
    --text-color: #333;
    --border-color: #e0e0e0;
    --background-light: #f8f9fa;
    --success-color: #4CAF50;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-circle {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-circle i {
    color: white;
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

nav a:hover {
    color: var(--primary-color);
}

/* Main Content Styles */
main {
    padding: 2rem 0;
}

.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tool-header p {
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.tool-container {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

input[type="text"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

button:hover {
    background-color: var(--primary-hover);
}

.error-message {
    color: #dc3545;
    margin-bottom: 1rem;
}

/* Comment Picker Specific Styles */
.comment-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.pick-btn {
    background-color: var(--success-color);
}

.pick-btn:hover {
    background-color: #388E3C;
}

.winner-display {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.comments-list {
    max-height: 500px;
    overflow-y: auto;
}

.comment-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-image {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.comment-date {
    color: #666;
    font-size: 0.875rem;
}

.comment-footer {
    margin-top: 0.5rem;
    color: #666;
}

.like-count {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Related Tools Section */
.related-tools {
    margin-top: 3rem;
}

.related-tools h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-card.active {
    border: 2px solid var(--primary-color);
}

.tool-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.tool-icon span {
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
}

.tool-card h3 {
    margin-bottom: 0.5rem;
}

.tool-card p {
    color: #666;
    font-size: 0.875rem;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 2rem 0;
    color: #666;
}

.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .tool-header h1 {
        font-size: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}