:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #7209b7;
    --light: #f8f9fa;
    --dark: #212529;
    --success: #4cc9f0;
    --warning: #f72585;
    --sidebar-width: 280px;
    --topbar-height: 70px;
}

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

body {
    background-color: #f5f7fa;
    color: var(--dark);
    overflow: hidden;
    height: 100vh;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.debug-info {
    position: fixed;
    bottom: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 12px;
    z-index: 1000;
}

/* Utilidades para botones */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background: #3bb4d8;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 250px;
    }
}

@media (max-width: 768px) {
    .editor-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 300px;
        overflow-y: auto;
    }
    
    .main-content {
        height: calc(100vh - 300px);
    }
    
    .topbar {
        flex-direction: column;
        height: auto;
        padding: 15px;
        gap: 15px;
    }
    
    .project-info {
        width: 100%;
    }
    
    .project-info input {
        max-width: 100%;
    }
    
    .column-system {
        flex-direction: column;
    }
}