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

:root {
    --bg-primary: #1e1e2e;
    --bg-secondary: #282a36;
    --bg-editor: #1e1e2e;
    --text-primary: #f8f8f2;
    --text-secondary: #6272a4;
    --accent: #bd93f9;
    --accent-hover: #ff79c6;
    --success: #50fa7b;
    --error: #ff5555;
    --warning: #f1fa8c;
    --border: #44475a;
}

body {
    font-family: 'Segoe UI', 'Courier New', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

header {
    background: var(--bg-editor);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border);
}

header h1 {
    font-size: 24px;
    font-weight: 400;
    color: var(--accent);
}

.controls {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(189, 147, 249, 0.4);
}

.btn-success {
    background: var(--success);
    color: var(--bg-primary);
}

.btn-success:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.main-editor {
    margin: 20px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.editor-header {
    background: var(--bg-editor);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.filename {
    color: var(--accent);
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.editor-tabs {
    display: flex;
    gap: 20px;
}

.tab {
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text-primary);
    background: rgba(189, 147, 249, 0.1);
}

.tab.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

.editor-wrapper {
    position: relative;
    background: var(--bg-editor);
    display: flex;
}

.line-numbers {
    width: 50px;
    padding: 15px 5px;
    background: #1a1a2a;
    color: var(--text-secondary);
    text-align: right;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    user-select: none;
    border-right: 1px solid var(--border);
}

.php-editor {
    flex: 1;
    min-height: 400px;
    padding: 15px;
    background: var(--bg-editor);
    color: var(--text-primary);
    border: none;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

.php-editor:focus {
    box-shadow: inset 0 0 0 1px var(--accent);
}

.output-container {
    margin: 20px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.output-header {
    background: var(--bg-editor);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.output-header h3 {
    color: var(--accent);
    font-weight: 400;
}

.output-actions {
    display: flex;
    gap: 10px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: rgba(189, 147, 249, 0.2);
    color: var(--accent);
}

.output {
    min-height: 150px;
    max-height: 300px;
    padding: 20px;
    background: var(--bg-editor);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-y: auto;
    color: var(--text-primary);
}

.output pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.output .error {
    color: var(--error);
    background: rgba(255, 85, 85, 0.1);
    padding: 10px;
    border-radius: 6px;
    border-left: 3px solid var(--error);
}

.output .success {
    color: var(--success);
}

.exec-time {
    color: var(--text-secondary);
    font-size: 12px;
}

.snippets-panel {
    margin: 20px;
    padding: 20px;
    background: var(--bg-editor);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.snippets-panel h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-weight: 400;
}

.snippets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.snippet-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.snippet-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(189, 147, 249, 0.2);
}

.snippet-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.snippet-title {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
}

.snippet-desc {
    color: var(--text-secondary);
    font-size: 12px;
}

.docs-panel {
    margin: 20px;
    padding: 20px;
    background: var(--bg-editor);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.docs-panel h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-weight: 400;
}

.docs-content {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 6px;
    min-height: 100px;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Анимации */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s infinite;
    color: var(--accent);
}

/* Адаптивность */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
    }
    
    .controls {
        width: 100%;
        justify-content: center;
    }
    
    .snippets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}