/* Base Styles */
:root {
    --primary-color: #6c5ce7;
    --primary-light: #a29bfe;
    --secondary-color: #00cec9;
    --text-color: #2d3436;
    --light-text: #636e72;
    --background: #f9f9f9;
    --card-bg: #ffffff;
    --border-radius: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text-color);
    line-height: 1.6;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header .highlight {
    color: var(--primary-color);
}

header p {
    color: var(--light-text);
    font-size: 1.1rem;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Chat UI Styles */
.chat-container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.chat-box {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.message {
    margin-bottom: 15px;
    display: flex;
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.message.bot .message-content {
    background-color: #f1f0f0;
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.mood-buttons {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 20px;
    gap: 8px;
    border-top: 1px solid #eee;
    background-color: #f8f8f8;
}

.mood-btn {
    background-color: var(--card-bg);
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.mood-btn:hover {
    background-color: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

.input-container {
    display: flex;
    padding: 15px;
    background-color: white;
    border-top: 1px solid #eee;
}

.input-container input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 1rem;
    outline: none;
}

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

.input-container button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.input-container button:hover {
    background-color: var(--primary-light);
}

/* Recommendations Styles */
.recommendations-container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 600px;
    display: flex;
    flex-direction: column;
}

.recommendations-container h2 {
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    background-color: #f8f8f8;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    font-weight: 500;
}

.tab-btn.active {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.recommendations {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.recommendation-card {
    display: flex;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-color);
}

.recommendation-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-thumbnail {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    margin-right: 15px;
    background-color: #eee;
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-info {
    flex: 1;
}

.card-info h3 {
    margin-bottom: 5px;
    font-size: 1rem;
}

.card-info p {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 5px;
}

.card-info .source {
    display: inline-block;
    font-size: 0.8rem;
    padding: 3px 8px;
    background-color: #f1f1f1;
    border-radius: 12px;
}

.loading-placeholder {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
}

/* Responsive Layout */
@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
    }
    
    .chat-container, .recommendations-container {
        height: 500px;
    }
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 15px;
    color: var(--light-text);
    font-size: 0.9rem;
}