:root {
    /* Primary brand colors - you can customize these */
    --primary-color: #4a6cf7;
    --secondary-color: #6e48aa;
    --accent-color: #ff6b6b;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    
    /* Text colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #ffffff;
    
    /* Other variables */
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

header {
    background: #141034;
    color: var(--text-light);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    width: 70%;
    max-width: 300px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto 1rem auto;
}

h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.search-container {
    display: flex;
    width: 100%;
    max-width: 600px;
    gap: 0.5rem;
    margin: 1.5rem auto 0;
}

#search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

#search-button {
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

#search-button:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

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

#category-filter {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    background-color: var(--bg-primary);
    font-size: 1rem;
}

.prompts-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.prompt-card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.prompt-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.prompt-title {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.prompt-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.copy-button {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.copy-button:hover {
    background-color: var(--secondary-color);
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.prompt-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.prompt-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.modal-prompt {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
}

.admin-link {
    opacity: 0.5;
    transition: opacity 0.2s;
}

.admin-link:hover {
    opacity: 1;
}

@media (min-width: 768px) {
    header {
        flex-direction: column;
        padding: 1.5rem 0;
        gap: 1.5rem;
    }
    
    .logo-container {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        padding: 0 2rem;
        gap: 2rem;
    }
    .logo {
        margin: 0 !important;
        max-width: 180px !important;
        min-width: 100px;
        flex-shrink: 0;
    }
    .logo-container h1 {
        margin: 0;
        flex: 1;
        text-align: center;
        position: static;
        left: auto;
        transform: none;
        width: auto;
        white-space: nowrap;
        pointer-events: auto;
    }
}
    
    .search-container {
        max-width: 400px;
    }
}