.playground-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

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

.playground-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    min-height: 600px;
    margin-bottom: 2rem;
}

.editor-section {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #3d3d3d;
    display: flex;
    flex-direction: column;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: #2d2d2d;
    border-bottom: 1px solid #3d3d3d;
}

.editor-toolbar select,
.editor-toolbar button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
}

.editor-toolbar select {
    background: #3d3d3d;
    color: #fff;
    cursor: pointer;
    padding-right: 2rem;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="6" viewBox="0 0 12 6"><path fill="white" d="M0 0l6 6 6-6z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
}

.editor-toolbar select:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.5);
}

.editor-toolbar button:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
}

#editor {
    height: 500px;
    width: 100%;
    flex: 1;
}

.ai-panel {
    background: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--card-border);
    overflow: hidden;
}

.ai-header {
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
}

.ai-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.ai-header select {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    font-size: 0.9rem;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="6" viewBox="0 0 12 6"><path fill="%23666" d="M0 0l6 6 6-6z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
}

body[data-theme="dark"] .ai-header select {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="6" viewBox="0 0 12 6"><path fill="%23ccc" d="M0 0l6 6 6-6z"/></svg>');
}

.ai-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background: var(--bg-secondary);
}

#chat-messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--card-border);
    min-height: 300px;
    max-height: 400px;
}

.message {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border-top-left-radius: 0;
    max-width: 85%;
}

.message p {
    margin: 0.5rem 0 0;
    line-height: 1.5;
    white-space: pre-wrap;
}

.message pre {
    margin: 0.75rem 0;
    padding: 0;
    background: transparent;
}

.message code {
    display: block;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    line-height: 1.4;
}

body[data-theme="dark"] .message code {
    background: rgba(255, 255, 255, 0.1);
}

.message.you {
    background: rgba(0, 123, 255, 0.1);
    border-left: 3px solid var(--accent-primary);
    align-self: flex-start;
}

.message.system {
    background: rgba(108, 117, 125, 0.1);
    border-left: 3px solid #6c757d;
    align-self: flex-start;
}

.message.cursor,
.message.chatgpt,
.message.claude {
    background: rgba(40, 167, 69, 0.1);
    border-left: 3px solid #28a745;
    align-self: flex-start;
}

body[data-theme="dark"] .message.you {
    background: rgba(0, 123, 255, 0.2);
}

body[data-theme="dark"] .message.system {
    background: rgba(108, 117, 125, 0.2);
}

body[data-theme="dark"] .message.cursor,
body[data-theme="dark"] .message.chatgpt,
body[data-theme="dark"] .message.claude {
    background: rgba(40, 167, 69, 0.2);
}

.chat-input {
    display: flex;
    gap: 1rem;
}

#user-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    resize: none;
    min-height: 60px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    line-height: 1.5;
}

#user-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

#send-message {
    align-self: flex-end;
    height: 60px;
    margin-top: 0;
}

.playground-footer {
    margin-top: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.example-prompts ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.example-prompts li {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 0.6rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.example-prompts li:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.example-prompts li::before {
    display: none;
}

.api-key-input {
    padding: 0.6rem 1rem;
    border: 1px solid #4d4d4d;
    border-radius: 4px;
    background: #3d3d3d;
    color: #fff;
    width: 230px;
    font-size: 0.85rem;
    font-family: monospace;
    letter-spacing: 1px;
}

.api-key-input::placeholder {
    color: #aaa;
    letter-spacing: normal;
    font-family: inherit;
}

.api-key-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.3);
}

@media (max-width: 1100px) {
    .playground-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    #editor {
        height: 400px;
    }
    
    .example-prompts ul {
        flex-direction: row;
    }
}

@media (max-width: 768px) {
    .editor-toolbar {
        flex-wrap: wrap;
    }
    
    .api-key-input {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .example-prompts li {
        flex: 1 0 45%;
    }
}

@media (max-width: 480px) {
    .example-prompts li {
        flex: 1 0 100%;
    }
    
    .chat-input {
        flex-direction: column;
    }
    
    #send-message {
        width: 100%;
        align-self: center;
    }
}