:root {
    --primary-color: #28a745;
    --secondary-color: #f8f9fa;
    --text-color: #343a40;
    --dark-bg: #495057;
    --border-radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --hover-green: #1e7e34;
    --favorite-gold: #ffc107;
    --favorite-red: #dc3545;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden; 
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: white;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    flex-wrap: wrap; 
}

.logo-container {
    display: flex;
    align-items: center;
    margin-bottom: 0; 
}

.logo {
    height: 40px;
    width: auto;
    max-width: 300px;
}

.mode-switcher {
    display: flex; 
    gap: 10px; 
}

.mode-switcher button {
    padding: 10px 15px;
    border: none;
    background-color: transparent;
    color: var(--dark-bg);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px; 
}

.mode-switcher button.active {
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 3px solid var(--primary-color);
}
.mode-switcher button:hover:not(.active) {
    color: var(--primary-color);
}

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

.mode-section {
    min-height: 500px;
}

.search-bar {
    display: flex;
    padding: 15px;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow);
    align-items: center;
    gap: 10px; 
}

.search-bar input {
    flex-grow: 1;
    padding: 12px; 
    border: 1px solid #ccc;
    border-radius: var(--border-radius); 
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.search-bar input:focus {
    border-color: var(--primary-color);
}

.search-bar button {
    padding: 10px 20px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius); 
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px; 
}

.search-bar button:hover {
    background-color: var(--hover-green);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    padding-bottom: 50px;
}

.recipe-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.recipe-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.card-body {
    padding: 15px;
}

.card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
    min-height: 2.8rem; 
    display: -webkit-box;
    -webkit-line-clamp: 2; 
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.overlay {
    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;
    overflow-y: auto; 
}

.recipe-content {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 90%;
    max-height: 90vh; 
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow);
    transform: translateY(0); 
    transition: transform 0.3s ease-out;
}

.recipe-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 2rem;
}

.recipe-content img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.recipe-content h3 {
    margin-top: 25px; 
    margin-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
    font-size: 1.5rem;
    display: flex; 
    align-items: center;
    gap: 10px;
}

.recipe-content ul, .recipe-content ol {
    margin-left: 20px;
    margin-bottom: 15px;
}
.recipe-content li {
    margin-bottom: 8px;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--dark-bg);
    color: white;
    border: none;
    width: 35px; 
    height: 35px;
    border-radius: 50%;
    font-size: 1.2rem; 
    cursor: pointer;
    line-height: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s;
}
.close-btn:hover {
    background-color: #343a40;
}

.fav-toggle-btn {
    padding: 10px 18px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
}

.fav-toggle-btn.add-fav {
    background-color: var(--favorite-gold);
    color: var(--text-color);
}
.fav-toggle-btn.add-fav:hover {
    background-color: #e0a800;
    transform: translateY(-2px);
}

.fav-toggle-btn.remove-fav {
    background-color: var(--favorite-red);
    color: white;
}
.fav-toggle-btn.remove-fav:hover {
    background-color: #c82333;
    transform: translateY(-2px);
}


.floating-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s, transform 0.2s;
    z-index: 50;
}

.floating-btn:hover {
    background-color: var(--hover-green);
    transform: scale(1.05);
}

.hidden {
    display: none !important;
}

.status-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}
.status-message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}
.status-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}


.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 30px auto;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 10px 5%;
        gap: 15px; 
    }
    .logo {
        height: 50px;
        max-width: 180px;
    }
    .mode-switcher {
        width: 100%; 
        justify-content: center; 
    }
    .mode-switcher button {
        margin: 0 5px;
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    .logo-container {
        margin-bottom: 10px; 
    }

    .search-bar {
        flex-direction: column;
        padding: 10px;
    }
    .search-bar input {
        border-radius: var(--border-radius);
        margin-bottom: 10px; 
        width: 100%; 
    }
    .search-bar button {
        border-radius: var(--border-radius);
        width: 100%; 
    }
    .recipe-content {
        padding: 20px;
    }
    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        bottom: 15px;
        right: 15px;
    }
    .recipe-content h2 {
        font-size: 1.5rem;
    }
    .recipe-content h3 {
        font-size: 1.2rem;
    }
    .fav-toggle-btn {
        width: 100%; 
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .mode-switcher {
        flex-direction: column; 
        gap: 5px;
    }
    .mode-switcher button {
        width: 100%; 
        justify-content: center;
    }
}