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

body {
    font-family: 'Courier New', monospace;
    background: #1e1e1e;
    color: #d4d4d4;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: #2d2d2d;
    padding: 1rem;
    border-bottom: 2px solid #3e3e3e;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header h1 {
    font-size: 1.2rem;
    color: #4ec9b0;
}

.btn {
    background: #0e639c;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.btn:hover {
    background: #1177bb;
}

.btn-clear {
    background: #d13438;
}

.btn-clear:hover {
    background: #f14c4c;
}

.container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 2px solid #3e3e3e;
}

.panel-header {
    background: #2d2d2d;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: #9cdcfe;
    border-bottom: 1px solid #3e3e3e;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.examples-btn {
    background: transparent;
    border: 1px solid #3e3e3e;
    color: #9cdcfe;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
}

.examples-btn:hover {
    background: #3e3e3e;
    border-color: #4ec9b0;
    color: #4ec9b0;
}

.examples-menu {
    position: absolute;
    top: 3.5rem;
    right: 1rem;
    background: #2d2d2d;
    border: 2px solid #3e3e3e;
    border-radius: 4px;
    padding: 0.5rem;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
}

.examples-menu.show {
    display: block;
}

.example-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.2s;
    color: #d4d4d4;
}

.example-item:hover {
    background: #3e3e3e;
    color: #4ec9b0;
}

#editor {
    flex: 1;
    padding: 1rem;
    background: #1e1e1e;
    color: #d4d4d4;
    border: none;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    tab-size: 2;
}

.output-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#output {
    flex: 1;
    padding: 1rem;
    background: #252526;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
}

.log-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid #333;
}

.log-info {
    color: #4ec9b0;
}

.log-warn {
    color: #dcdcaa;
}

.log-error {
    color: #f48771;
}

.log-result {
    color: #9cdcfe;
}

.log-time {
    color: #808080;
    font-size: 0.85em;
    margin-right: 0.5rem;
}

.status-bar {
    background: #007acc;
    color: white;
    padding: 0.3rem 1rem;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-success {
    background: #16825d;
}

.status-error {
    background: #d13438;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .editor-panel {
        border-right: none;
        border-bottom: 2px solid #3e3e3e;
    }
}